YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 04:46:55,180 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 04:46:55,183 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 04:46:55,193 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 04:46:55,194 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 04:46:55,195 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 04:46:55,196 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 04:46:55,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 04:46:55,199 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 04:46:55,200 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 04:46:55,201 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 04:46:55,201 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 04:46:55,202 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 04:46:55,203 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 04:46:55,204 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 04:46:55,204 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 04:46:55,205 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 04:46:55,207 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 04:46:55,209 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 04:46:55,210 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 04:46:55,211 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 04:46:55,212 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 04:46:55,214 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 04:46:55,215 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 04:46:55,215 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 04:46:55,215 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 04:46:55,216 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 04:46:55,217 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 04:46:55,217 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 04:46:55,218 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 04:46:55,218 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 04:46:55,219 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 04:46:55,220 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 04:46:55,220 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 04:46:55,221 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 04:46:55,221 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 04:46:55,221 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 04:46:55,222 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 04:46:55,222 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 04:46:55,223 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 04:46:55,237 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 04:46:55,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 04:46:55,238 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 04:46:55,239 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 04:46:55,239 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 04:46:55,239 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 04:46:55,239 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 04:46:55,239 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 04:46:55,240 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 04:46:55,240 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 04:46:55,240 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 04:46:55,240 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 04:46:55,240 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 04:46:55,240 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 04:46:55,241 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:46:55,241 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 04:46:55,241 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 04:46:55,241 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 04:46:55,241 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 04:46:55,241 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 04:46:55,242 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 04:46:55,242 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 04:46:55,242 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 04:46:55,242 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 04:46:55,242 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 04:46:55,243 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 04:46:55,243 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 04:46:55,243 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 04:46:55,243 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 04:46:55,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 04:46:55,283 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 04:46:55,286 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 04:46:55,288 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 04:46:55,288 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 04:46:55,289 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 04:46:55,356 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/bfda3ae4b8c64cf48907945788d0efc8/FLAGc863f7c18 [2020-06-22 04:46:55,697 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 04:46:55,698 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 04:46:55,705 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/bfda3ae4b8c64cf48907945788d0efc8/FLAGc863f7c18 [2020-06-22 04:46:56,110 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/bfda3ae4b8c64cf48907945788d0efc8 [2020-06-22 04:46:56,122 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 04:46:56,123 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 04:46:56,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 04:46:56,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 04:46:56,128 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 04:46:56,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35aa3d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56, skipping insertion in model container [2020-06-22 04:46:56,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 04:46:56,158 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 04:46:56,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 04:46:56,319 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 04:46:56,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 04:46:56,414 INFO L195 MainTranslator]: Completed translation [2020-06-22 04:46:56,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56 WrapperNode [2020-06-22 04:46:56,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 04:46:56,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 04:46:56,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 04:46:56,416 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 04:46:56,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 04:46:56,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 04:46:56,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 04:46:56,450 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 04:46:56,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 04:46:56,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 04:46:56,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 04:46:56,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 04:46:56,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 04:46:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 04:46:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 04:46:56,659 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 04:46:56,660 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 04:46:56,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:46:56 BoogieIcfgContainer [2020-06-22 04:46:56,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 04:46:56,662 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 04:46:56,662 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 04:46:56,664 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 04:46:56,665 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:46:56" (1/1) ... [2020-06-22 04:46:56,679 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges [2020-06-22 04:46:56,680 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 04:46:56,681 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 04:46:56,682 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 04:46:56,682 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 04:46:56,684 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 04:46:56,685 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 04:46:56,685 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 04:46:56,699 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 04:46:56,713 INFO L200 BlockEncoder]: SBE split 1 edges [2020-06-22 04:46:56,718 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 04:46:56,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:46:56,730 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 04:46:56,732 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states [2020-06-22 04:46:56,734 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 04:46:56,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:46:56,737 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 04:46:56,737 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 04:46:56,738 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 04:46:56,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:46:56,738 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 04:46:56,738 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 04:46:56,738 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-22 04:46:56,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:46:56 BasicIcfg [2020-06-22 04:46:56,739 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 04:46:56,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 04:46:56,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 04:46:56,743 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 04:46:56,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 04:46:56" (1/4) ... [2020-06-22 04:46:56,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7753ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:46:56, skipping insertion in model container [2020-06-22 04:46:56,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (2/4) ... [2020-06-22 04:46:56,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7753ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:46:56, skipping insertion in model container [2020-06-22 04:46:56,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:46:56" (3/4) ... [2020-06-22 04:46:56,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7753ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:46:56, skipping insertion in model container [2020-06-22 04:46:56,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:46:56" (4/4) ... [2020-06-22 04:46:56,747 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 04:46:56,757 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 04:46:56,765 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 04:46:56,782 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 04:46:56,810 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 04:46:56,811 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 04:46:56,811 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 04:46:56,812 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 04:46:56,812 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 04:46:56,812 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 04:46:56,812 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 04:46:56,812 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 04:46:56,812 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 04:46:56,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 04:46:56,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 04:46:56,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 04:46:56,883 INFO L451 ceAbstractionStarter]: At program point L18-1(lines 14 24) the Hoare annotation is: true [2020-06-22 04:46:56,884 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 23) no Hoare annotation was computed. [2020-06-22 04:46:56,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 04:46:56,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:46:56 BasicIcfg [2020-06-22 04:46:56,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 04:46:56,892 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 04:46:56,893 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 04:46:56,896 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 04:46:56,897 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:46:56,897 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 04:46:56" (1/5) ... [2020-06-22 04:46:56,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15f47df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 04:46:56, skipping insertion in model container [2020-06-22 04:46:56,898 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:46:56,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:46:56" (2/5) ... [2020-06-22 04:46:56,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15f47df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 04:46:56, skipping insertion in model container [2020-06-22 04:46:56,898 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:46:56,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:46:56" (3/5) ... [2020-06-22 04:46:56,899 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15f47df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:46:56, skipping insertion in model container [2020-06-22 04:46:56,899 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:46:56,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:46:56" (4/5) ... [2020-06-22 04:46:56,900 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15f47df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:46:56, skipping insertion in model container [2020-06-22 04:46:56,900 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:46:56,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:46:56" (5/5) ... [2020-06-22 04:46:56,901 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 04:46:56,931 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 04:46:56,931 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 04:46:56,931 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 04:46:56,932 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 04:46:56,932 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 04:46:56,932 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 04:46:56,932 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 04:46:56,932 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 04:46:56,933 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 04:46:56,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 04:46:56,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 04:46:56,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:46:56,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:46:56,959 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 04:46:56,959 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:46:56,959 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 04:46:56,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 04:46:56,960 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 04:46:56,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:46:56,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:46:56,961 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 04:46:56,961 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:46:56,966 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [31] ULTIMATE.startENTRY-->L18-1: Formula: (and (= v_ULTIMATE.start_main_~p~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~q~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_1, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~p~0, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#res] 5#L18-1true [2020-06-22 04:46:56,966 INFO L796 eck$LassoCheckResult]: Loop: 5#L18-1true [34] L18-1-->L15: Formula: (and (< 0 v_ULTIMATE.start_main_~q~0_7) (< 0 v_ULTIMATE.start_main_~p~0_8)) InVars {ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 3#L15true [29] L15-->L18-1: Formula: (and (= v_ULTIMATE.start_main_~q~0_8 (+ v_ULTIMATE.start_main_~q~0_9 (- 1))) (< v_ULTIMATE.start_main_~q~0_9 v_ULTIMATE.start_main_~p~0_9)) InVars {ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_9, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_9} OutVars{ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_9, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~q~0] 5#L18-1true [2020-06-22 04:46:56,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:46:56,972 INFO L82 PathProgramCache]: Analyzing trace with hash 62, now seen corresponding path program 1 times [2020-06-22 04:46:56,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:46:56,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:46:56,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:56,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:46:56,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:46:57,036 INFO L82 PathProgramCache]: Analyzing trace with hash 2044, now seen corresponding path program 1 times [2020-06-22 04:46:57,036 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:46:57,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:46:57,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:57,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:46:57,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:46:57,059 INFO L82 PathProgramCache]: Analyzing trace with hash 60665, now seen corresponding path program 1 times [2020-06-22 04:46:57,059 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:46:57,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:46:57,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:57,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:46:57,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,121 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:46:57,123 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:46:57,123 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:46:57,123 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:46:57,123 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:46:57,123 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:46:57,123 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:46:57,124 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:46:57,124 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 04:46:57,124 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:46:57,124 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:46:57,142 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 04:46:57,200 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:46:57,200 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:46:57,208 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:46:57,208 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:46:57,245 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:46:57,245 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:46:57,279 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:46:57,281 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:46:57,282 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:46:57,282 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:46:57,282 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:46:57,282 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:46:57,282 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:46:57,282 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:46:57,282 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:46:57,283 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 04:46:57,283 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:46:57,283 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:46:57,284 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 04:46:57,321 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:46:57,326 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:46:57,328 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 04:46:57,330 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:46:57,330 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:46:57,330 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:46:57,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:46:57,331 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:46:57,333 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:46:57,334 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:46:57,341 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:46:57,350 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 04:46:57,351 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 04:46:57,353 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:46:57,353 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:46:57,353 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:46:57,354 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~q~0) = 1*ULTIMATE.start_main_~q~0 Supporting invariants [] [2020-06-22 04:46:57,355 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:46:57,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:46:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:46:57,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:46:57,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:46:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:46:57,398 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 04:46:57,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:46:57,432 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 04:46:57,459 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 04:46:57,464 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 04:46:57,466 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-22 04:46:57,503 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 11 transitions. Complement of second has 4 states. [2020-06-22 04:46:57,504 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 04:46:57,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 04:46:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2020-06-22 04:46:57,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 04:46:57,509 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:46:57,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 04:46:57,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:46:57,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 04:46:57,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:46:57,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. [2020-06-22 04:46:57,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 04:46:57,521 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 11 transitions. [2020-06-22 04:46:57,522 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-06-22 04:46:57,522 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-22 04:46:57,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2020-06-22 04:46:57,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 04:46:57,523 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2020-06-22 04:46:57,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2020-06-22 04:46:57,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2020-06-22 04:46:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-06-22 04:46:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-06-22 04:46:57,551 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 04:46:57,551 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 04:46:57,551 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 04:46:57,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2020-06-22 04:46:57,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 04:46:57,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:46:57,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:46:57,552 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 04:46:57,552 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:46:57,553 INFO L794 eck$LassoCheckResult]: Stem: 49#ULTIMATE.startENTRY [31] ULTIMATE.startENTRY-->L18-1: Formula: (and (= v_ULTIMATE.start_main_~p~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~q~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_1, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~p~0, ULTIMATE.start_main_~q~0, ULTIMATE.start_main_#res] 50#L18-1 [34] L18-1-->L15: Formula: (and (< 0 v_ULTIMATE.start_main_~q~0_7) (< 0 v_ULTIMATE.start_main_~p~0_8)) InVars {ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 44#L15 [2020-06-22 04:46:57,553 INFO L796 eck$LassoCheckResult]: Loop: 44#L15 [47] L15-->L18-1: Formula: (and (< v_ULTIMATE.start_main_~p~0_12 v_ULTIMATE.start_main_~q~0_11) (<= v_ULTIMATE.start_main_~p~0_12 v_ULTIMATE.start_main_~q~0_11) (= (+ v_ULTIMATE.start_main_~p~0_12 (- 1)) v_ULTIMATE.start_main_~p~0_11)) InVars {ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_12, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_11} OutVars{ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_11, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~p~0] 45#L18-1 [34] L18-1-->L15: Formula: (and (< 0 v_ULTIMATE.start_main_~q~0_7) (< 0 v_ULTIMATE.start_main_~p~0_8)) InVars {ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} OutVars{ULTIMATE.start_main_~p~0=v_ULTIMATE.start_main_~p~0_8, ULTIMATE.start_main_~q~0=v_ULTIMATE.start_main_~q~0_7} AuxVars[] AssignedVars[] 44#L15 [2020-06-22 04:46:57,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:46:57,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1956, now seen corresponding path program 1 times [2020-06-22 04:46:57,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:46:57,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:46:57,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:57,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:46:57,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:46:57,562 INFO L82 PathProgramCache]: Analyzing trace with hash 2452, now seen corresponding path program 1 times [2020-06-22 04:46:57,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:46:57,562 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:46:57,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:57,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:46:57,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:46:57,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1881207, now seen corresponding path program 1 times [2020-06-22 04:46:57,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:46:57,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:46:57,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:57,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:46:57,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:46:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:46:57,603 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:46:57,603 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:46:57,603 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:46:57,603 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:46:57,603 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:46:57,603 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:46:57,604 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:46:57,604 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:46:57,604 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 04:46:57,604 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:46:57,604 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:46:57,605 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 04:46:57,633 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:46:57,634 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:46:57,638 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:46:57,638 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:46:57,669 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:46:57,670 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:46:57,768 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:46:57,771 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:46:57,771 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:46:57,771 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:46:57,771 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:46:57,771 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:46:57,771 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:46:57,771 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:46:57,772 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:46:57,772 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 04:46:57,772 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:46:57,772 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:46:57,773 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 04:46:57,803 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:46:57,803 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:46:57,803 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 04:46:57,804 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:46:57,805 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:46:57,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:46:57,805 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:46:57,805 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:46:57,806 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:46:57,806 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:46:57,813 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:46:57,818 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 04:46:57,818 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 04:46:57,818 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:46:57,819 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:46:57,819 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:46:57,819 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~p~0) = 1*ULTIMATE.start_main_~p~0 Supporting invariants [] [2020-06-22 04:46:57,819 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:46:57,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:46:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:46:57,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:46:57,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:46:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:46:57,845 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 04:46:57,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:46:57,870 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 04:46:57,870 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 04:46:57,871 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 04:46:57,871 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-06-22 04:46:57,894 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 15 states and 23 transitions. Complement of second has 8 states. [2020-06-22 04:46:57,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-06-22 04:46:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 04:46:57,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-06-22 04:46:57,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 04:46:57,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:46:57,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. [2020-06-22 04:46:57,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:46:57,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2020-06-22 04:46:57,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:46:57,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2020-06-22 04:46:57,899 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 04:46:57,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-06-22 04:46:57,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 04:46:57,900 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 04:46:57,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 04:46:57,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 04:46:57,900 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:46:57,900 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:46:57,900 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:46:57,900 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 04:46:57,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 04:46:57,901 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 04:46:57,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 04:46:57,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:46:57 BasicIcfg [2020-06-22 04:46:57,907 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 04:46:57,907 INFO L168 Benchmark]: Toolchain (without parser) took 1784.79 ms. Allocated memory was 649.6 MB in the beginning and 687.3 MB in the end (delta: 37.7 MB). Free memory was 564.7 MB in the beginning and 524.7 MB in the end (delta: 40.0 MB). Peak memory consumption was 77.7 MB. Max. memory is 50.3 GB. [2020-06-22 04:46:57,909 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 04:46:57,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.16 ms. Allocated memory was 649.6 MB in the beginning and 687.3 MB in the end (delta: 37.7 MB). Free memory was 563.6 MB in the beginning and 654.0 MB in the end (delta: -90.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 50.3 GB. [2020-06-22 04:46:57,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.75 ms. Allocated memory is still 687.3 MB. Free memory was 652.9 MB in the beginning and 651.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 04:46:57,911 INFO L168 Benchmark]: Boogie Preprocessor took 19.77 ms. Allocated memory is still 687.3 MB. Free memory was 651.8 MB in the beginning and 649.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-22 04:46:57,911 INFO L168 Benchmark]: RCFGBuilder took 191.34 ms. Allocated memory is still 687.3 MB. Free memory was 649.0 MB in the beginning and 635.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. [2020-06-22 04:46:57,912 INFO L168 Benchmark]: BlockEncodingV2 took 77.58 ms. Allocated memory is still 687.3 MB. Free memory was 635.4 MB in the beginning and 629.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. [2020-06-22 04:46:57,912 INFO L168 Benchmark]: TraceAbstraction took 151.85 ms. Allocated memory is still 687.3 MB. Free memory was 629.0 MB in the beginning and 620.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. [2020-06-22 04:46:57,913 INFO L168 Benchmark]: BuchiAutomizer took 1014.40 ms. Allocated memory is still 687.3 MB. Free memory was 620.2 MB in the beginning and 524.7 MB in the end (delta: 95.5 MB). Peak memory consumption was 95.5 MB. Max. memory is 50.3 GB. [2020-06-22 04:46:57,917 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 11 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 291.16 ms. Allocated memory was 649.6 MB in the beginning and 687.3 MB in the end (delta: 37.7 MB). Free memory was 563.6 MB in the beginning and 654.0 MB in the end (delta: -90.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 33.75 ms. Allocated memory is still 687.3 MB. Free memory was 652.9 MB in the beginning and 651.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.77 ms. Allocated memory is still 687.3 MB. Free memory was 651.8 MB in the beginning and 649.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * RCFGBuilder took 191.34 ms. Allocated memory is still 687.3 MB. Free memory was 649.0 MB in the beginning and 635.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 77.58 ms. Allocated memory is still 687.3 MB. Free memory was 635.4 MB in the beginning and 629.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. * TraceAbstraction took 151.85 ms. Allocated memory is still 687.3 MB. Free memory was 629.0 MB in the beginning and 620.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1014.40 ms. Allocated memory is still 687.3 MB. Free memory was 620.2 MB in the beginning and 524.7 MB in the end (delta: 95.5 MB). Peak memory consumption was 95.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function q and consists of 3 locations. One nondeterministic module has affine ranking function p and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 13 SDslu, 0 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 04:46:52.889 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 04:46:58.147 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check