YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 04:37:26,084 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 04:37:26,086 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 04:37:26,097 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 04:37:26,097 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 04:37:26,098 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 04:37:26,099 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 04:37:26,101 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 04:37:26,102 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 04:37:26,103 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 04:37:26,104 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 04:37:26,104 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 04:37:26,105 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 04:37:26,106 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 04:37:26,107 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 04:37:26,108 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 04:37:26,108 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 04:37:26,110 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 04:37:26,112 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 04:37:26,113 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 04:37:26,114 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 04:37:26,115 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 04:37:26,117 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 04:37:26,118 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 04:37:26,118 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 04:37:26,118 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 04:37:26,119 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 04:37:26,121 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 04:37:26,121 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 04:37:26,122 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 04:37:26,122 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 04:37:26,123 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 04:37:26,124 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 04:37:26,124 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 04:37:26,125 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 04:37:26,126 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 04:37:26,126 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 04:37:26,127 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 04:37:26,127 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 04:37:26,128 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 04:37:26,142 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 04:37:26,142 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 04:37:26,143 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 04:37:26,143 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 04:37:26,143 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 04:37:26,144 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 04:37:26,144 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 04:37:26,144 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 04:37:26,144 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 04:37:26,144 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 04:37:26,144 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 04:37:26,145 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 04:37:26,145 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 04:37:26,145 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 04:37:26,145 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:37:26,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 04:37:26,145 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 04:37:26,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 04:37:26,146 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 04:37:26,146 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 04:37:26,146 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 04:37:26,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 04:37:26,147 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 04:37:26,147 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 04:37:26,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 04:37:26,147 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 04:37:26,148 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 04:37:26,148 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 04:37:26,148 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 04:37:26,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 04:37:26,187 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 04:37:26,191 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 04:37:26,192 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 04:37:26,192 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 04:37:26,193 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 04:37:26,261 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/c93ebad40db24f3db1e9ea53700f06ed/FLAGf31d85cce [2020-06-22 04:37:26,600 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 04:37:26,601 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 04:37:26,607 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/c93ebad40db24f3db1e9ea53700f06ed/FLAGf31d85cce [2020-06-22 04:37:27,019 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/c93ebad40db24f3db1e9ea53700f06ed [2020-06-22 04:37:27,031 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 04:37:27,032 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 04:37:27,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 04:37:27,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 04:37:27,037 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 04:37:27,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4073401d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27, skipping insertion in model container [2020-06-22 04:37:27,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 04:37:27,066 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 04:37:27,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 04:37:27,228 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 04:37:27,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 04:37:27,325 INFO L195 MainTranslator]: Completed translation [2020-06-22 04:37:27,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27 WrapperNode [2020-06-22 04:37:27,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 04:37:27,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 04:37:27,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 04:37:27,327 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 04:37:27,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 04:37:27,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 04:37:27,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 04:37:27,363 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 04:37:27,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 04:37:27,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 04:37:27,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 04:37:27,384 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 04:37:27,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (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 04:37:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 04:37:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 04:37:27,611 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 04:37:27,611 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2020-06-22 04:37:27,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:37:27 BoogieIcfgContainer [2020-06-22 04:37:27,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 04:37:27,613 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 04:37:27,614 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 04:37:27,616 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 04:37:27,617 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:37:27" (1/1) ... [2020-06-22 04:37:27,632 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 15 edges [2020-06-22 04:37:27,634 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 04:37:27,635 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 04:37:27,635 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 04:37:27,636 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 04:37:27,637 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 04:37:27,638 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 04:37:27,639 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 04:37:27,656 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 04:37:27,664 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 04:37:27,669 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-22 04:37:27,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:37:27,689 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-06-22 04:37:27,692 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 04:37:27,693 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 04:37:27,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:37:27,694 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 04:37:27,694 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 04:37:27,694 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2020-06-22 04:37:27,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:37:27 BasicIcfg [2020-06-22 04:37:27,695 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 04:37:27,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 04:37:27,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 04:37:27,699 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 04:37:27,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 04:37:27" (1/4) ... [2020-06-22 04:37:27,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39165c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:37:27, skipping insertion in model container [2020-06-22 04:37:27,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (2/4) ... [2020-06-22 04:37:27,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39165c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:37:27, skipping insertion in model container [2020-06-22 04:37:27,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:37:27" (3/4) ... [2020-06-22 04:37:27,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39165c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:37:27, skipping insertion in model container [2020-06-22 04:37:27,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:37:27" (4/4) ... [2020-06-22 04:37:27,704 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 04:37:27,714 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 04:37:27,723 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 04:37:27,742 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 04:37:27,771 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 04:37:27,772 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 04:37:27,772 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 04:37:27,772 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 04:37:27,772 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 04:37:27,772 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 04:37:27,773 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 04:37:27,773 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 04:37:27,773 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 04:37:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2020-06-22 04:37:27,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 04:37:27,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-06-22 04:37:27,849 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 04:37:27,850 INFO L451 ceAbstractionStarter]: At program point L25-2(lines 25 27) the Hoare annotation is: true [2020-06-22 04:37:27,850 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 14 33) no Hoare annotation was computed. [2020-06-22 04:37:27,850 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2020-06-22 04:37:27,851 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 14 33) no Hoare annotation was computed. [2020-06-22 04:37:27,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:37:27 BasicIcfg [2020-06-22 04:37:27,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 04:37:27,860 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 04:37:27,860 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 04:37:27,863 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 04:37:27,864 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:37:27,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 04:37:27" (1/5) ... [2020-06-22 04:37:27,865 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e41ea24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 04:37:27, skipping insertion in model container [2020-06-22 04:37:27,865 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:37:27,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:37:27" (2/5) ... [2020-06-22 04:37:27,865 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e41ea24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 04:37:27, skipping insertion in model container [2020-06-22 04:37:27,865 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:37:27,866 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:37:27" (3/5) ... [2020-06-22 04:37:27,866 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e41ea24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:37:27, skipping insertion in model container [2020-06-22 04:37:27,866 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:37:27,866 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:37:27" (4/5) ... [2020-06-22 04:37:27,867 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e41ea24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:37:27, skipping insertion in model container [2020-06-22 04:37:27,867 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:37:27,867 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:37:27" (5/5) ... [2020-06-22 04:37:27,868 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 04:37:27,893 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 04:37:27,893 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 04:37:27,894 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 04:37:27,894 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 04:37:27,894 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 04:37:27,894 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 04:37:27,894 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 04:37:27,894 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 04:37:27,894 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 04:37:27,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. [2020-06-22 04:37:27,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 04:37:27,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:37:27,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:37:27,921 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 04:37:27,921 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:37:27,921 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 04:37:27,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. [2020-06-22 04:37:27,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 04:37:27,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:37:27,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:37:27,923 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 04:37:27,923 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:37:27,928 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [45] ULTIMATE.startENTRY-->L20: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~r~0, ULTIMATE.start_main_~x~0] 7#L20true [57] L20-->L20-2: Formula: (>= v_ULTIMATE.start_main_~x~0_9 0) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 6#L20-2true [58] L20-2-->L22-1: Formula: (>= v_ULTIMATE.start_main_~y~0_10 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 3#L22-1true [2020-06-22 04:37:27,928 INFO L796 eck$LassoCheckResult]: Loop: 3#L22-1true [44] L22-1-->L25-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_12) (= v_ULTIMATE.start_main_~r~0_5 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~r~0] 5#L25-2true [62] L25-2-->L22-1: Formula: (and (= v_ULTIMATE.start_main_~r~0_9 v_ULTIMATE.start_main_~y~0_16) (= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_17) (< v_ULTIMATE.start_main_~r~0_9 v_ULTIMATE.start_main_~y~0_17)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_17, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_16, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L22-1true [2020-06-22 04:37:27,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:27,935 INFO L82 PathProgramCache]: Analyzing trace with hash 74861, now seen corresponding path program 1 times [2020-06-22 04:37:27,937 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:37:27,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:37:27,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:27,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:37:27,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:28,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:28,011 INFO L82 PathProgramCache]: Analyzing trace with hash 2387, now seen corresponding path program 1 times [2020-06-22 04:37:28,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:37:28,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:37:28,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:28,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:37:28,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:28,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:28,024 INFO L82 PathProgramCache]: Analyzing trace with hash 71942847, now seen corresponding path program 1 times [2020-06-22 04:37:28,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:37:28,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:37:28,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:28,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:37:28,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:28,101 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:37:28,102 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:37:28,102 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:37:28,102 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:37:28,103 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:37:28,103 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:37:28,103 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:37:28,103 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:37:28,103 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 04:37:28,103 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:37:28,104 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:37:28,123 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 04:37:28,133 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 04:37:28,139 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 04:37:28,255 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:37:28,255 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 04:37:28,261 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:28,262 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:28,295 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:37:28,295 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 04:37:28,302 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:28,303 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:28,330 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:37:28,331 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 04:37:28,339 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:28,339 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 04:37:28,376 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:37:28,376 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:28,779 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:37:28,783 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:37:28,783 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:37:28,783 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:37:28,783 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:37:28,783 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:37:28,783 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:37:28,783 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:37:28,784 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:37:28,784 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 04:37:28,784 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:37:28,784 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:37:28,786 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 04:37:28,790 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 04:37:28,805 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 04:37:28,874 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:37:28,880 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:37:28,882 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 04:37:28,883 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:37:28,883 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:37:28,884 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:37:28,884 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:37:28,888 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:37:28,888 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:37:28,896 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:37:28,896 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 04:37:28,897 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:37:28,897 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:37:28,897 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:37:28,898 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:37:28,898 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:37:28,899 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:37:28,899 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:37:28,912 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:37:28,922 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 04:37:28,922 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 04:37:28,925 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:37:28,925 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:37:28,925 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:37:28,926 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-22 04:37:28,927 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:37:28,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:37:28,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:37:28,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:37:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:37:28,973 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 04:37:28,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:37:28,985 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 04:37:29,010 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 04:37:29,015 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 04:37:29,016 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 3 states. [2020-06-22 04:37:29,048 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 3 states. Result 10 states and 16 transitions. Complement of second has 4 states. [2020-06-22 04:37:29,049 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 04:37:29,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 04:37:29,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2020-06-22 04:37:29,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 04:37:29,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:37:29,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. [2020-06-22 04:37:29,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:37:29,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. [2020-06-22 04:37:29,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:37:29,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 16 transitions. [2020-06-22 04:37:29,062 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-06-22 04:37:29,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 16 transitions. [2020-06-22 04:37:29,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-06-22 04:37:29,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-06-22 04:37:29,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 16 transitions. [2020-06-22 04:37:29,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 04:37:29,069 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 16 transitions. [2020-06-22 04:37:29,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 16 transitions. [2020-06-22 04:37:29,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2020-06-22 04:37:29,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-06-22 04:37:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. [2020-06-22 04:37:29,097 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. [2020-06-22 04:37:29,097 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. [2020-06-22 04:37:29,097 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 04:37:29,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 15 transitions. [2020-06-22 04:37:29,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-06-22 04:37:29,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:37:29,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:37:29,099 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 04:37:29,099 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:37:29,099 INFO L794 eck$LassoCheckResult]: Stem: 59#ULTIMATE.startENTRY [45] ULTIMATE.startENTRY-->L20: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~r~0, ULTIMATE.start_main_~x~0] 60#L20 [57] L20-->L20-2: Formula: (>= v_ULTIMATE.start_main_~x~0_9 0) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 61#L20-2 [51] L20-2-->L22-1: Formula: (and (< v_ULTIMATE.start_main_~y~0_9 0) (= v_ULTIMATE.start_main_~y~0_8 (- v_ULTIMATE.start_main_~y~0_9))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 54#L22-1 [2020-06-22 04:37:29,100 INFO L796 eck$LassoCheckResult]: Loop: 54#L22-1 [44] L22-1-->L25-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_12) (= v_ULTIMATE.start_main_~r~0_5 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~r~0] 55#L25-2 [62] L25-2-->L22-1: Formula: (and (= v_ULTIMATE.start_main_~r~0_9 v_ULTIMATE.start_main_~y~0_16) (= v_ULTIMATE.start_main_~x~0_11 v_ULTIMATE.start_main_~y~0_17) (< v_ULTIMATE.start_main_~r~0_9 v_ULTIMATE.start_main_~y~0_17)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_17, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_16, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 54#L22-1 [2020-06-22 04:37:29,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:29,100 INFO L82 PathProgramCache]: Analyzing trace with hash 74854, now seen corresponding path program 1 times [2020-06-22 04:37:29,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:37:29,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:37:29,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:29,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:37:29,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:29,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:29,108 INFO L82 PathProgramCache]: Analyzing trace with hash 2387, now seen corresponding path program 2 times [2020-06-22 04:37:29,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:37:29,109 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:37:29,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:29,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:37:29,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:29,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:29,116 INFO L82 PathProgramCache]: Analyzing trace with hash 71936120, now seen corresponding path program 1 times [2020-06-22 04:37:29,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:37:29,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:37:29,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:29,117 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 04:37:29,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:29,148 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:37:29,149 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:37:29,149 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:37:29,149 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:37:29,149 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:37:29,149 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:37:29,149 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:37:29,149 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:37:29,149 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 04:37:29,150 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:37:29,150 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:37:29,151 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 04:37:29,154 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 04:37:29,157 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 04:37:29,236 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:37:29,236 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 04:37:29,243 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:29,243 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:29,274 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:37:29,274 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 04:37:29,279 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:29,279 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:29,307 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:37:29,307 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 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 04:37:29,313 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:29,313 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 04:37:29,351 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:37:29,351 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:29,983 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:37:29,986 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:37:29,986 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:37:29,986 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:37:29,987 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:37:29,987 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:37:29,987 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:37:29,987 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:37:29,987 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:37:29,987 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 04:37:29,987 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:37:29,987 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:37:29,989 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 04:37:29,993 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 04:37:29,995 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 04:37:30,054 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:37:30,054 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:37:30,055 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 04:37:30,056 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:37:30,056 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:37:30,056 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:37:30,056 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:37:30,058 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:37:30,058 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:37:30,062 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:37:30,063 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 04:37:30,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:37:30,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:37:30,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:37:30,064 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:37:30,066 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:37:30,066 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:37:30,072 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:37:30,072 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 04:37:30,073 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:37:30,073 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:37:30,073 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:37:30,073 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:37:30,073 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:37:30,074 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:37:30,074 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:37:30,082 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:37:30,088 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 04:37:30,089 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 04:37:30,089 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:37:30,089 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:37:30,090 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:37:30,090 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-22 04:37:30,090 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:37:30,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:37:30,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:37:30,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:37:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:37:30,122 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 04:37:30,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:37:30,132 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 04:37:30,142 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 04:37:30,142 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 04:37:30,143 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 9 states and 15 transitions. cyclomatic complexity: 9 Second operand 3 states. [2020-06-22 04:37:30,174 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 9 states and 15 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 12 states and 20 transitions. Complement of second has 5 states. [2020-06-22 04:37:30,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states [2020-06-22 04:37:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 04:37:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2020-06-22 04:37:30,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 04:37:30,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:37:30,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 2 letters. [2020-06-22 04:37:30,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:37:30,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 4 letters. [2020-06-22 04:37:30,178 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:37:30,179 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 20 transitions. [2020-06-22 04:37:30,180 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-06-22 04:37:30,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 20 transitions. [2020-06-22 04:37:30,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-06-22 04:37:30,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-06-22 04:37:30,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 20 transitions. [2020-06-22 04:37:30,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 04:37:30,182 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 20 transitions. [2020-06-22 04:37:30,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 20 transitions. [2020-06-22 04:37:30,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2020-06-22 04:37:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-06-22 04:37:30,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. [2020-06-22 04:37:30,183 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. [2020-06-22 04:37:30,183 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. [2020-06-22 04:37:30,183 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 04:37:30,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 12 transitions. [2020-06-22 04:37:30,184 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 04:37:30,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:37:30,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:37:30,184 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-06-22 04:37:30,185 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 04:37:30,185 INFO L794 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRY [45] ULTIMATE.startENTRY-->L20: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~r~0, ULTIMATE.start_main_~x~0] 121#L20 [57] L20-->L20-2: Formula: (>= v_ULTIMATE.start_main_~x~0_9 0) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[] 122#L20-2 [58] L20-2-->L22-1: Formula: (>= v_ULTIMATE.start_main_~y~0_10 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[] 116#L22-1 [44] L22-1-->L25-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_12) (= v_ULTIMATE.start_main_~r~0_5 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~r~0] 118#L25-2 [2020-06-22 04:37:30,185 INFO L796 eck$LassoCheckResult]: Loop: 118#L25-2 [50] L25-2-->L25-2: Formula: (and (<= v_ULTIMATE.start_main_~y~0_14 v_ULTIMATE.start_main_~r~0_8) (= v_ULTIMATE.start_main_~r~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~y~0_14) v_ULTIMATE.start_main_~r~0_8))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~r~0] 118#L25-2 [2020-06-22 04:37:30,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:30,185 INFO L82 PathProgramCache]: Analyzing trace with hash 2320735, now seen corresponding path program 1 times [2020-06-22 04:37:30,186 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:37:30,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:37:30,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:30,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:37:30,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:30,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:30,194 INFO L82 PathProgramCache]: Analyzing trace with hash 81, now seen corresponding path program 1 times [2020-06-22 04:37:30,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:37:30,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:37:30,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:30,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:37:30,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:30,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:30,199 INFO L82 PathProgramCache]: Analyzing trace with hash 71942835, now seen corresponding path program 1 times [2020-06-22 04:37:30,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:37:30,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:37:30,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:30,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:37:30,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:37:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:37:30,253 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:37:30,253 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:37:30,253 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:37:30,253 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:37:30,253 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:37:30,253 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:37:30,254 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:37:30,254 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:37:30,254 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 04:37:30,254 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:37:30,254 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:37:30,256 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 04:37:30,262 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 04:37:30,264 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 04:37:30,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:37:30,268 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 04:37:30,271 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 04:37:30,344 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:37:30,344 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:37:30,349 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:30,349 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:30,353 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:37:30,353 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 04:37:30,380 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:30,380 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:30,384 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:37:30,384 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 04:37:30,412 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:30,412 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:30,415 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:37:30,415 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:37:30,445 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:30,445 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:30,473 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:37:30,473 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:37:30,478 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:30,478 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:30,505 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:37:30,505 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} 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 04:37:30,509 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:37:30,510 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 04:37:30,543 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:37:30,543 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:37:30,728 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:37:30,730 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:37:30,730 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:37:30,731 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:37:30,731 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:37:30,731 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:37:30,731 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:37:30,731 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:37:30,731 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:37:30,731 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 04:37:30,731 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:37:30,731 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:37:30,733 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 04:37:30,736 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 04:37:30,737 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 04:37:30,739 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 04:37:30,742 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 04:37:30,752 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 04:37:30,808 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:37:30,808 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:37:30,809 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 04:37:30,810 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:37:30,810 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:37:30,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:37:30,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:37:30,810 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:37:30,811 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:37:30,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:37:30,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:37:30,812 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 04:37:30,812 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:37:30,813 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:37:30,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:37:30,813 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:37:30,813 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:37:30,813 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:37:30,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:37:30,829 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:37:30,830 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 04:37:30,831 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:37:30,831 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:37:30,831 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:37:30,831 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:37:30,831 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:37:30,832 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:37:30,832 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:37:30,833 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:37:30,833 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 04:37:30,834 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:37:30,834 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:37:30,834 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:37:30,834 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:37:30,837 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:37:30,837 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:37:30,843 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:37:30,843 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 04:37:30,844 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:37:30,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:37:30,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:37:30,844 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:37:30,847 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:37:30,847 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:37:30,866 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:37:30,875 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-06-22 04:37:30,876 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 04:37:30,877 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:37:30,878 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 04:37:30,878 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:37:30,879 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~r~0) = -2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~r~0 + 1 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2020-06-22 04:37:30,884 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 04:37:30,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:37:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:37:30,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2020-06-22 04:37:30,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:37:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:37:30,931 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 04:37:30,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:37:30,931 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 04:37:30,941 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 04:37:30,942 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 04:37:30,942 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7 Second operand 2 states. [2020-06-22 04:37:30,970 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7. Second operand 2 states. Result 8 states and 13 transitions. Complement of second has 2 states. [2020-06-22 04:37:30,971 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 04:37:30,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 04:37:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 10 transitions. [2020-06-22 04:37:30,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 4 letters. Loop has 1 letters. [2020-06-22 04:37:30,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:37:30,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. [2020-06-22 04:37:30,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:37:30,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2020-06-22 04:37:30,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:37:30,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 13 transitions. [2020-06-22 04:37:30,974 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 04:37:30,974 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. [2020-06-22 04:37:30,975 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 04:37:30,975 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 04:37:30,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 04:37:30,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 04:37:30,975 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:37:30,975 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:37:30,975 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:37:30,975 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 04:37:30,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 04:37:30,975 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 04:37:30,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 04:37:30,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:37:30 BasicIcfg [2020-06-22 04:37:30,982 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 04:37:30,982 INFO L168 Benchmark]: Toolchain (without parser) took 3950.93 ms. Allocated memory was 649.6 MB in the beginning and 749.2 MB in the end (delta: 99.6 MB). Free memory was 565.2 MB in the beginning and 684.1 MB in the end (delta: -118.9 MB). There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 04:37:30,984 INFO L168 Benchmark]: CDTParser took 0.17 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 04:37:30,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.95 ms. Allocated memory was 649.6 MB in the beginning and 682.6 MB in the end (delta: 33.0 MB). Free memory was 565.2 MB in the beginning and 649.4 MB in the end (delta: -84.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 50.3 GB. [2020-06-22 04:37:30,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.16 ms. Allocated memory is still 682.6 MB. Free memory was 649.4 MB in the beginning and 648.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 04:37:30,985 INFO L168 Benchmark]: Boogie Preprocessor took 20.46 ms. Allocated memory is still 682.6 MB. Free memory was 648.3 MB in the beginning and 645.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-22 04:37:30,986 INFO L168 Benchmark]: RCFGBuilder took 229.27 ms. Allocated memory is still 682.6 MB. Free memory was 645.5 MB in the beginning and 631.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. [2020-06-22 04:37:30,988 INFO L168 Benchmark]: BlockEncodingV2 took 81.58 ms. Allocated memory is still 682.6 MB. Free memory was 630.8 MB in the beginning and 626.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. [2020-06-22 04:37:30,988 INFO L168 Benchmark]: TraceAbstraction took 163.31 ms. Allocated memory is still 682.6 MB. Free memory was 625.4 MB in the beginning and 616.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. [2020-06-22 04:37:30,989 INFO L168 Benchmark]: BuchiAutomizer took 3122.02 ms. Allocated memory was 682.6 MB in the beginning and 749.2 MB in the end (delta: 66.6 MB). Free memory was 616.7 MB in the beginning and 684.1 MB in the end (delta: -67.4 MB). There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 04:37:30,993 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 15 edges - StatisticsResult: Encoded RCFG 5 locations, 8 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 292.95 ms. Allocated memory was 649.6 MB in the beginning and 682.6 MB in the end (delta: 33.0 MB). Free memory was 565.2 MB in the beginning and 649.4 MB in the end (delta: -84.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 36.16 ms. Allocated memory is still 682.6 MB. Free memory was 649.4 MB in the beginning and 648.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 20.46 ms. Allocated memory is still 682.6 MB. Free memory was 648.3 MB in the beginning and 645.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * RCFGBuilder took 229.27 ms. Allocated memory is still 682.6 MB. Free memory was 645.5 MB in the beginning and 631.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 81.58 ms. Allocated memory is still 682.6 MB. Free memory was 630.8 MB in the beginning and 626.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 163.31 ms. Allocated memory is still 682.6 MB. Free memory was 625.4 MB in the beginning and 616.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 3122.02 ms. Allocated memory was 682.6 MB in the beginning and 749.2 MB in the end (delta: 66.6 MB). Free memory was 616.7 MB in the beginning and 684.1 MB in the end (delta: -67.4 MB). There was no memory consumed. 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: 25]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 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=5occurred 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 (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function -2 * y + 2 * r + 1 and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 18 SDtfs, 32 SDslu, 0 SDs, 0 SdLazy, 24 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf97 lsp59 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf90 smp100 dnf100 smp100 tf105 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 04:37:23.778 ----------------------------------------------- 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 04:37:31.224 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check