YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 06:12:38,168 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 06:12:38,170 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 06:12:38,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 06:12:38,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 06:12:38,183 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 06:12:38,185 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 06:12:38,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 06:12:38,188 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 06:12:38,188 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 06:12:38,189 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 06:12:38,190 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 06:12:38,190 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 06:12:38,191 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 06:12:38,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 06:12:38,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 06:12:38,194 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 06:12:38,196 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 06:12:38,198 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 06:12:38,199 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 06:12:38,200 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 06:12:38,201 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 06:12:38,203 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 06:12:38,203 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 06:12:38,203 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 06:12:38,204 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 06:12:38,205 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 06:12:38,205 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 06:12:38,206 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 06:12:38,206 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 06:12:38,207 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 06:12:38,208 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 06:12:38,209 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 06:12:38,209 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 06:12:38,209 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 06:12:38,210 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 06:12:38,210 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 06:12:38,211 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 06:12:38,211 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 06:12:38,212 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 06:12:38,226 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 06:12:38,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 06:12:38,227 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 06:12:38,227 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 06:12:38,228 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 06:12:38,228 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 06:12:38,228 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 06:12:38,228 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 06:12:38,228 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 06:12:38,229 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 06:12:38,229 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 06:12:38,229 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 06:12:38,229 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 06:12:38,229 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 06:12:38,229 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:38,230 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 06:12:38,230 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 06:12:38,230 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 06:12:38,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 06:12:38,230 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 06:12:38,231 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 06:12:38,231 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 06:12:38,231 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 06:12:38,231 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 06:12:38,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 06:12:38,232 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 06:12:38,232 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 06:12:38,232 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 06:12:38,232 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 06:12:38,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 06:12:38,272 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 06:12:38,276 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 06:12:38,278 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 06:12:38,278 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 06:12:38,279 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 06:12:38,350 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/c9d02c58dd39421b9532654dac8b8609/FLAGa176a3095 [2020-06-22 06:12:38,690 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 06:12:38,691 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 06:12:38,697 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/c9d02c58dd39421b9532654dac8b8609/FLAGa176a3095 [2020-06-22 06:12:39,096 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/c9d02c58dd39421b9532654dac8b8609 [2020-06-22 06:12:39,107 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 06:12:39,109 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 06:12:39,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 06:12:39,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 06:12:39,113 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 06:12:39,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c616ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39, skipping insertion in model container [2020-06-22 06:12:39,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 06:12:39,143 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 06:12:39,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 06:12:39,305 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 06:12:39,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 06:12:39,395 INFO L195 MainTranslator]: Completed translation [2020-06-22 06:12:39,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39 WrapperNode [2020-06-22 06:12:39,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 06:12:39,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 06:12:39,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 06:12:39,397 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 06:12:39,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 06:12:39,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 06:12:39,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 06:12:39,434 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 06:12:39,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 06:12:39,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 06:12:39,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 06:12:39,452 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 06:12:39,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 06:12:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2020-06-22 06:12:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2020-06-22 06:12:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 06:12:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 06:12:39,713 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 06:12:39,714 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2020-06-22 06:12:39,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:12:39 BoogieIcfgContainer [2020-06-22 06:12:39,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 06:12:39,741 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 06:12:39,741 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 06:12:39,744 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 06:12:39,744 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:12:39" (1/1) ... [2020-06-22 06:12:39,761 INFO L313 BlockEncoder]: Initial Icfg 21 locations, 28 edges [2020-06-22 06:12:39,762 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 06:12:39,763 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 06:12:39,764 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 06:12:39,764 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 06:12:39,766 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 06:12:39,767 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 06:12:39,767 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 06:12:39,783 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 06:12:39,801 INFO L200 BlockEncoder]: SBE split 3 edges [2020-06-22 06:12:39,806 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 06:12:39,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:12:39,816 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 06:12:39,820 INFO L70 RemoveSinkStates]: Removed 10 edges and 5 locations by removing sink states [2020-06-22 06:12:39,822 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 06:12:39,822 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:12:39,829 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 06:12:39,830 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 06:12:39,830 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 06:12:39,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 06:12:39,831 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 06:12:39,831 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 06:12:39,831 INFO L313 BlockEncoder]: Encoded RCFG 13 locations, 18 edges [2020-06-22 06:12:39,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:12:39 BasicIcfg [2020-06-22 06:12:39,832 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 06:12:39,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 06:12:39,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 06:12:39,836 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 06:12:39,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 06:12:39" (1/4) ... [2020-06-22 06:12:39,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32856dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:12:39, skipping insertion in model container [2020-06-22 06:12:39,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (2/4) ... [2020-06-22 06:12:39,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32856dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 06:12:39, skipping insertion in model container [2020-06-22 06:12:39,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:12:39" (3/4) ... [2020-06-22 06:12:39,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32856dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:12:39, skipping insertion in model container [2020-06-22 06:12:39,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:12:39" (4/4) ... [2020-06-22 06:12:39,841 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 06:12:39,851 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 06:12:39,859 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 06:12:39,877 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 06:12:39,905 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 06:12:39,906 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 06:12:39,906 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 06:12:39,906 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 06:12:39,906 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 06:12:39,907 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 06:12:39,907 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 06:12:39,907 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 06:12:39,907 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 06:12:39,924 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-06-22 06:12:39,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 06:12:39,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-06-22 06:12:39,998 INFO L451 ceAbstractionStarter]: At program point L17(line 17) the Hoare annotation is: true [2020-06-22 06:12:39,998 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. [2020-06-22 06:12:39,998 INFO L448 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-06-22 06:12:39,999 INFO L451 ceAbstractionStarter]: At program point multENTRY(lines 15 23) the Hoare annotation is: true [2020-06-22 06:12:39,999 INFO L448 ceAbstractionStarter]: For program point multFINAL(lines 15 23) no Hoare annotation was computed. [2020-06-22 06:12:39,999 INFO L448 ceAbstractionStarter]: For program point multEXIT(lines 15 23) no Hoare annotation was computed. [2020-06-22 06:12:39,999 INFO L451 ceAbstractionStarter]: At program point L22(line 22) the Hoare annotation is: true [2020-06-22 06:12:39,999 INFO L448 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-06-22 06:12:39,999 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 21) no Hoare annotation was computed. [2020-06-22 06:12:40,000 INFO L448 ceAbstractionStarter]: For program point L34-1(line 34) no Hoare annotation was computed. [2020-06-22 06:12:40,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 06:12:40,000 INFO L451 ceAbstractionStarter]: At program point L35(line 35) the Hoare annotation is: true [2020-06-22 06:12:40,000 INFO L451 ceAbstractionStarter]: At program point L34(line 34) the Hoare annotation is: true [2020-06-22 06:12:40,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:12:40 BasicIcfg [2020-06-22 06:12:40,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 06:12:40,004 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 06:12:40,005 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 06:12:40,008 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 06:12:40,010 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:12:40,010 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 06:12:39" (1/5) ... [2020-06-22 06:12:40,011 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6541f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 06:12:40, skipping insertion in model container [2020-06-22 06:12:40,011 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:12:40,011 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 06:12:39" (2/5) ... [2020-06-22 06:12:40,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6541f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 06:12:40, skipping insertion in model container [2020-06-22 06:12:40,012 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:12:40,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 06:12:39" (3/5) ... [2020-06-22 06:12:40,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6541f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:12:40, skipping insertion in model container [2020-06-22 06:12:40,013 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:12:40,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 06:12:39" (4/5) ... [2020-06-22 06:12:40,013 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6541f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:12:40, skipping insertion in model container [2020-06-22 06:12:40,013 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 06:12:40,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 06:12:40" (5/5) ... [2020-06-22 06:12:40,016 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 06:12:40,042 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 06:12:40,043 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 06:12:40,043 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 06:12:40,043 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 06:12:40,043 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 06:12:40,043 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 06:12:40,043 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 06:12:40,044 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 06:12:40,044 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 06:12:40,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-06-22 06:12:40,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 06:12:40,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:12:40,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:12:40,077 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 06:12:40,077 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 06:12:40,077 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 06:12:40,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-06-22 06:12:40,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 06:12:40,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:12:40,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:12:40,080 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 06:12:40,080 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 06:12:40,085 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue [90] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_main_~n~0_13) (<= 0 v_ULTIMATE.start_main_~m~0_13)) InVars {} OutVars{ULTIMATE.start_main_~res1~0=v_ULTIMATE.start_main_~res1~0_6, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_13, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_13, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_7|, ULTIMATE.start_main_~res2~0=v_ULTIMATE.start_main_~res2~0_4, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~res1~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~res2~0, ULTIMATE.start_main_#t~ret4] 11#L34true [64] L34-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_3| v_ULTIMATE.start_main_~m~0_10) (= |v_mult_#in~mInParam_3| v_ULTIMATE.start_main_~n~0_9)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_10} OutVars{mult_#in~m=|v_mult_#in~mInParam_3|, mult_#in~n=|v_mult_#in~nInParam_3|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 4#multENTRYtrue [2020-06-22 06:12:40,085 INFO L796 eck$LassoCheckResult]: Loop: 4#multENTRYtrue [49] multENTRY-->L16: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 5#L16true [52] L16-->L17: Formula: (< v_mult_~m_2 0) InVars {mult_~m=v_mult_~m_2} OutVars{mult_~m=v_mult_~m_2} AuxVars[] AssignedVars[] 3#L17true [48] L17-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_1| v_mult_~n_5) (= |v_mult_#in~mInParam_1| (- v_mult_~m_8))) InVars {mult_~n=v_mult_~n_5, mult_~m=v_mult_~m_8} OutVars{mult_#in~m=|v_mult_#in~mInParam_1|, mult_#in~n=|v_mult_#in~nInParam_1|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 4#multENTRYtrue [2020-06-22 06:12:40,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:40,091 INFO L82 PathProgramCache]: Analyzing trace with hash 3815, now seen corresponding path program 1 times [2020-06-22 06:12:40,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:40,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:40,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:40,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:12:40,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:40,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:40,165 INFO L82 PathProgramCache]: Analyzing trace with hash 78540, now seen corresponding path program 1 times [2020-06-22 06:12:40,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:40,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:40,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:40,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:12:40,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:40,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:40,179 INFO L82 PathProgramCache]: Analyzing trace with hash 113701414, now seen corresponding path program 1 times [2020-06-22 06:12:40,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:40,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:40,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:40,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:12:40,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:12:40,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 06:12:40,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 06:12:40,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-06-22 06:12:40,315 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:12:40,316 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:12:40,316 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:12:40,316 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:12:40,316 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:12:40,317 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:40,317 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:12:40,317 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:12:40,317 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 06:12:40,317 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:12:40,317 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:12:40,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,440 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:12:40,441 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:40,448 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:40,448 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:40,457 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:40,458 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret1=0} Honda state: {mult_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:40,488 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:40,488 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:40,493 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:40,493 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:40,520 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:40,521 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:40,524 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:40,524 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:40,551 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:40,551 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:40,555 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:40,555 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:40,582 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:40,583 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:40,587 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:40,587 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret0=0} Honda state: {mult_#t~ret0=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 06:12:40,613 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:40,614 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:40,617 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:40,618 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} 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 06:12:40,644 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:40,644 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 06:12:40,674 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:12:40,675 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:40,712 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 06:12:40,714 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:12:40,714 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:12:40,715 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:12:40,715 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:12:40,715 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 06:12:40,715 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 06:12:40,715 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:12:40,715 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:12:40,715 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 06:12:40,715 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:12:40,716 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:12:40,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:40,733 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 06:12:40,790 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:12:40,796 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 06:12:40,798 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:40,799 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:40,800 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:40,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:40,800 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:40,801 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:40,803 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:40,803 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:40,805 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:40,805 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:40,806 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:40,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:40,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:40,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:40,807 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:40,807 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:40,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:40,809 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:40,809 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 06:12:40,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:40,810 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:40,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:40,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:40,810 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:40,811 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:40,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:40,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:40,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:40,813 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:40,813 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:40,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:40,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:40,814 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:40,815 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:40,815 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:40,816 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:40,816 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:40,817 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:40,817 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:40,817 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:40,817 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:40,817 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:40,818 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:40,818 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:40,820 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:40,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:40,820 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:40,821 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:40,821 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:40,821 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:40,821 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:40,822 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:40,822 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:40,824 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:40,824 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:40,825 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:40,825 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:40,825 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:40,825 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:40,825 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:40,826 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:40,826 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:40,832 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 06:12:40,836 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-06-22 06:12:40,836 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 06:12:40,839 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 06:12:40,840 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 06:12:40,840 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 06:12:40,840 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [2020-06-22 06:12:40,842 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 06:12:40,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:12:40,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 06:12:40,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:12:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:12:40,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2020-06-22 06:12:40,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:12:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 06:12:40,969 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 06:12:40,974 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-06-22 06:12:40,975 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 13 states. Second operand 4 states. [2020-06-22 06:12:41,118 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 13 states.. Second operand 4 states. Result 55 states and 76 transitions. Complement of second has 16 states. [2020-06-22 06:12:41,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-06-22 06:12:41,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 06:12:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2020-06-22 06:12:41,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 2 letters. Loop has 3 letters. [2020-06-22 06:12:41,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:41,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 5 letters. Loop has 3 letters. [2020-06-22 06:12:41,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:41,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 2 letters. Loop has 6 letters. [2020-06-22 06:12:41,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:41,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 76 transitions. [2020-06-22 06:12:41,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 06:12:41,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 37 states and 56 transitions. [2020-06-22 06:12:41,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2020-06-22 06:12:41,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2020-06-22 06:12:41,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 56 transitions. [2020-06-22 06:12:41,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 06:12:41,156 INFO L706 BuchiCegarLoop]: Abstraction has 37 states and 56 transitions. [2020-06-22 06:12:41,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 56 transitions. [2020-06-22 06:12:41,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2020-06-22 06:12:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-06-22 06:12:41,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2020-06-22 06:12:41,196 INFO L729 BuchiCegarLoop]: Abstraction has 29 states and 43 transitions. [2020-06-22 06:12:41,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 06:12:41,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-06-22 06:12:41,200 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand 5 states. [2020-06-22 06:12:41,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 06:12:41,269 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2020-06-22 06:12:41,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-06-22 06:12:41,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2020-06-22 06:12:41,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 06:12:41,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 24 states and 31 transitions. [2020-06-22 06:12:41,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2020-06-22 06:12:41,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2020-06-22 06:12:41,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 31 transitions. [2020-06-22 06:12:41,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:12:41,277 INFO L706 BuchiCegarLoop]: Abstraction has 24 states and 31 transitions. [2020-06-22 06:12:41,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 31 transitions. [2020-06-22 06:12:41,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2020-06-22 06:12:41,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-06-22 06:12:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2020-06-22 06:12:41,281 INFO L729 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2020-06-22 06:12:41,281 INFO L609 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2020-06-22 06:12:41,281 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 06:12:41,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2020-06-22 06:12:41,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 06:12:41,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:12:41,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:12:41,283 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-06-22 06:12:41,283 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 06:12:41,283 INFO L794 eck$LassoCheckResult]: Stem: 194#ULTIMATE.startENTRY [90] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_main_~n~0_13) (<= 0 v_ULTIMATE.start_main_~m~0_13)) InVars {} OutVars{ULTIMATE.start_main_~res1~0=v_ULTIMATE.start_main_~res1~0_6, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_13, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_13, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_7|, ULTIMATE.start_main_~res2~0=v_ULTIMATE.start_main_~res2~0_4, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~res1~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~res2~0, ULTIMATE.start_main_#t~ret4] 189#L34 [64] L34-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_3| v_ULTIMATE.start_main_~m~0_10) (= |v_mult_#in~mInParam_3| v_ULTIMATE.start_main_~n~0_9)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_10} OutVars{mult_#in~m=|v_mult_#in~mInParam_3|, mult_#in~n=|v_mult_#in~nInParam_3|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 188#multENTRY [49] multENTRY-->L16: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 190#L16 [78] L16-->L19: Formula: (>= v_mult_~m_4 0) InVars {mult_~m=v_mult_~m_4} OutVars{mult_~m=v_mult_~m_4} AuxVars[] AssignedVars[] 191#L19 [82] L19-->L22: Formula: (< 0 v_mult_~m_6) InVars {mult_~m=v_mult_~m_6} OutVars{mult_~m=v_mult_~m_6} AuxVars[] AssignedVars[] 185#L22 [60] L22-->multENTRY: Formula: (and (= |v_mult_#in~mInParam_2| (+ v_mult_~m_9 (- 1))) (= |v_mult_#in~nInParam_2| v_mult_~n_6)) InVars {mult_~n=v_mult_~n_6, mult_~m=v_mult_~m_9} OutVars{mult_#in~m=|v_mult_#in~mInParam_2|, mult_#in~n=|v_mult_#in~nInParam_2|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 187#multENTRY [2020-06-22 06:12:41,284 INFO L796 eck$LassoCheckResult]: Loop: 187#multENTRY [49] multENTRY-->L16: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 199#L16 [52] L16-->L17: Formula: (< v_mult_~m_2 0) InVars {mult_~m=v_mult_~m_2} OutVars{mult_~m=v_mult_~m_2} AuxVars[] AssignedVars[] 183#L17 [48] L17-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_1| v_mult_~n_5) (= |v_mult_#in~mInParam_1| (- v_mult_~m_8))) InVars {mult_~n=v_mult_~n_5, mult_~m=v_mult_~m_8} OutVars{mult_#in~m=|v_mult_#in~mInParam_1|, mult_#in~n=|v_mult_#in~nInParam_1|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 187#multENTRY [2020-06-22 06:12:41,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:41,284 INFO L82 PathProgramCache]: Analyzing trace with hash -770197362, now seen corresponding path program 1 times [2020-06-22 06:12:41,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:41,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:41,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:41,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:12:41,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:41,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:41,298 INFO L82 PathProgramCache]: Analyzing trace with hash 78540, now seen corresponding path program 2 times [2020-06-22 06:12:41,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:41,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:41,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:41,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:12:41,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:41,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:41,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1234267361, now seen corresponding path program 1 times [2020-06-22 06:12:41,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:41,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:41,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:41,307 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 06:12:41,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:12:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 06:12:41,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 06:12:41,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-06-22 06:12:41,403 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:12:41,403 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:12:41,403 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:12:41,404 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:12:41,404 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:12:41,404 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:41,404 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:12:41,404 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:12:41,404 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 06:12:41,404 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:12:41,404 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:12:41,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,477 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:12:41,477 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 06:12:41,485 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:41,486 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:41,489 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:41,490 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret0=0} Honda state: {mult_#t~ret0=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 06:12:41,520 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:41,520 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:41,524 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:41,524 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:41,552 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:41,552 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:41,555 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:41,556 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret1=0} Honda state: {mult_#t~ret1=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 06:12:41,584 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:41,585 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:41,588 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:41,588 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#res=0} Honda state: {mult_#res=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 06:12:41,617 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:41,617 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:41,621 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:41,621 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~n=0} Honda state: {mult_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:41,650 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:41,651 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:41,655 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:41,655 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:41,683 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:41,683 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:41,714 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:12:41,714 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:41,749 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 06:12:41,751 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:12:41,751 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:12:41,752 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:12:41,752 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:12:41,752 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 06:12:41,752 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 06:12:41,752 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:12:41,752 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:12:41,753 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 06:12:41,753 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:12:41,753 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:12:41,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:41,817 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:12:41,817 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 06:12:41,817 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:41,818 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:41,818 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:41,819 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:41,819 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:41,819 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:41,820 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:41,820 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:41,821 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:41,822 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:41,822 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:41,822 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:41,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:41,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:41,823 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:41,823 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:41,823 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:41,824 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:41,824 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:41,825 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:41,825 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:41,825 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:41,825 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:41,826 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:41,826 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:41,826 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:41,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:41,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:41,828 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:41,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:41,828 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:41,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:41,829 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:41,829 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:41,830 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:41,831 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:41,831 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:41,831 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:41,831 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:41,832 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:41,832 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:41,832 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:41,832 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:41,832 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:41,834 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:41,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:41,834 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:41,834 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:41,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:41,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:41,835 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:41,835 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:41,836 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:41,840 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 06:12:41,842 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-06-22 06:12:41,843 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 06:12:41,843 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 06:12:41,843 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 06:12:41,843 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 06:12:41,843 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [2020-06-22 06:12:41,844 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 06:12:41,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:12:41,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2020-06-22 06:12:41,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:12:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:12:41,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2020-06-22 06:12:41,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:12:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 06:12:41,926 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 06:12:41,926 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-06-22 06:12:41,926 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 20 states and 25 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-06-22 06:12:42,045 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 20 states and 25 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 70 states and 101 transitions. Complement of second has 18 states. [2020-06-22 06:12:42,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2020-06-22 06:12:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 06:12:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 32 transitions. [2020-06-22 06:12:42,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 6 letters. Loop has 3 letters. [2020-06-22 06:12:42,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:42,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 9 letters. Loop has 3 letters. [2020-06-22 06:12:42,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:42,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 6 letters. Loop has 6 letters. [2020-06-22 06:12:42,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:42,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 101 transitions. [2020-06-22 06:12:42,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2020-06-22 06:12:42,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 48 states and 69 transitions. [2020-06-22 06:12:42,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2020-06-22 06:12:42,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2020-06-22 06:12:42,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 69 transitions. [2020-06-22 06:12:42,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 06:12:42,058 INFO L706 BuchiCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-06-22 06:12:42,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 69 transitions. [2020-06-22 06:12:42,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 37. [2020-06-22 06:12:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-06-22 06:12:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2020-06-22 06:12:42,065 INFO L729 BuchiCegarLoop]: Abstraction has 37 states and 49 transitions. [2020-06-22 06:12:42,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 06:12:42,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-06-22 06:12:42,065 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. Second operand 5 states. [2020-06-22 06:12:42,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 06:12:42,115 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-06-22 06:12:42,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-06-22 06:12:42,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2020-06-22 06:12:42,119 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-06-22 06:12:42,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 32 transitions. [2020-06-22 06:12:42,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2020-06-22 06:12:42,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2020-06-22 06:12:42,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 32 transitions. [2020-06-22 06:12:42,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:12:42,121 INFO L706 BuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-06-22 06:12:42,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 32 transitions. [2020-06-22 06:12:42,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2020-06-22 06:12:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-06-22 06:12:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-06-22 06:12:42,124 INFO L729 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-06-22 06:12:42,125 INFO L609 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-06-22 06:12:42,125 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 06:12:42,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2020-06-22 06:12:42,126 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-06-22 06:12:42,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:12:42,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:12:42,126 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-06-22 06:12:42,126 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-06-22 06:12:42,127 INFO L794 eck$LassoCheckResult]: Stem: 425#ULTIMATE.startENTRY [90] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_main_~n~0_13) (<= 0 v_ULTIMATE.start_main_~m~0_13)) InVars {} OutVars{ULTIMATE.start_main_~res1~0=v_ULTIMATE.start_main_~res1~0_6, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_13, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_13, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_7|, ULTIMATE.start_main_~res2~0=v_ULTIMATE.start_main_~res2~0_4, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~res1~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~res2~0, ULTIMATE.start_main_#t~ret4] 426#L34 [64] L34-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_3| v_ULTIMATE.start_main_~m~0_10) (= |v_mult_#in~mInParam_3| v_ULTIMATE.start_main_~n~0_9)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_10} OutVars{mult_#in~m=|v_mult_#in~mInParam_3|, mult_#in~n=|v_mult_#in~nInParam_3|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 430#multENTRY [49] multENTRY-->L16: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 438#L16 [78] L16-->L19: Formula: (>= v_mult_~m_4 0) InVars {mult_~m=v_mult_~m_4} OutVars{mult_~m=v_mult_~m_4} AuxVars[] AssignedVars[] 437#L19 [82] L19-->L22: Formula: (< 0 v_mult_~m_6) InVars {mult_~m=v_mult_~m_6} OutVars{mult_~m=v_mult_~m_6} AuxVars[] AssignedVars[] 422#L22 [60] L22-->multENTRY: Formula: (and (= |v_mult_#in~mInParam_2| (+ v_mult_~m_9 (- 1))) (= |v_mult_#in~nInParam_2| v_mult_~n_6)) InVars {mult_~n=v_mult_~n_6, mult_~m=v_mult_~m_9} OutVars{mult_#in~m=|v_mult_#in~mInParam_2|, mult_#in~n=|v_mult_#in~nInParam_2|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 420#multENTRY [2020-06-22 06:12:42,127 INFO L796 eck$LassoCheckResult]: Loop: 420#multENTRY [49] multENTRY-->L16: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 423#L16 [78] L16-->L19: Formula: (>= v_mult_~m_4 0) InVars {mult_~m=v_mult_~m_4} OutVars{mult_~m=v_mult_~m_4} AuxVars[] AssignedVars[] 424#L19 [82] L19-->L22: Formula: (< 0 v_mult_~m_6) InVars {mult_~m=v_mult_~m_6} OutVars{mult_~m=v_mult_~m_6} AuxVars[] AssignedVars[] 421#L22 [60] L22-->multENTRY: Formula: (and (= |v_mult_#in~mInParam_2| (+ v_mult_~m_9 (- 1))) (= |v_mult_#in~nInParam_2| v_mult_~n_6)) InVars {mult_~n=v_mult_~n_6, mult_~m=v_mult_~m_9} OutVars{mult_#in~m=|v_mult_#in~mInParam_2|, mult_#in~n=|v_mult_#in~nInParam_2|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 420#multENTRY [2020-06-22 06:12:42,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:42,127 INFO L82 PathProgramCache]: Analyzing trace with hash -770197362, now seen corresponding path program 2 times [2020-06-22 06:12:42,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:42,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:42,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:12:42,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:42,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:42,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2460840, now seen corresponding path program 1 times [2020-06-22 06:12:42,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:42,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:42,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,139 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 06:12:42,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:42,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:42,144 INFO L82 PathProgramCache]: Analyzing trace with hash 392443573, now seen corresponding path program 3 times [2020-06-22 06:12:42,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:42,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:42,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:12:42,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:42,206 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:12:42,207 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:12:42,207 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:12:42,207 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:12:42,207 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:12:42,207 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,207 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:12:42,207 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:12:42,207 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 06:12:42,207 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:12:42,207 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:12:42,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,254 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:12:42,254 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,257 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:42,257 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:42,260 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:42,260 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_~m=0} Honda state: {mult_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,286 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:42,286 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:42,289 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:42,290 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,316 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:42,316 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:42,319 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:42,319 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret0=0} Honda state: {mult_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,345 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:42,346 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:42,349 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:42,349 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret1=0} Honda state: {mult_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,376 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:42,376 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,405 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:12:42,405 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:42,433 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 06:12:42,435 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:12:42,435 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:12:42,435 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:12:42,435 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:12:42,435 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 06:12:42,435 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 06:12:42,435 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:12:42,436 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:12:42,436 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 06:12:42,436 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:12:42,436 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:12:42,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,479 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:12:42,480 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 06:12:42,480 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:42,481 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:42,481 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:42,481 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:42,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:42,481 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:42,482 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:42,482 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:42,483 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:42,483 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:42,484 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:42,484 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:42,484 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:42,484 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:42,484 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:42,485 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:42,485 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:42,486 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:42,486 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:42,486 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:42,487 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:42,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:42,487 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:42,487 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:42,487 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:42,488 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:42,488 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:42,489 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:42,489 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:42,489 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:42,489 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:42,489 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:42,490 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:42,490 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:42,490 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:42,491 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:42,491 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:42,492 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:42,492 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:42,492 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:42,492 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:42,492 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:42,493 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:42,493 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:42,496 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 06:12:42,498 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 06:12:42,498 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 06:12:42,499 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 06:12:42,499 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 06:12:42,500 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 06:12:42,500 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = 1*mult_#in~m Supporting invariants [] [2020-06-22 06:12:42,500 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 06:12:42,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:12:42,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2020-06-22 06:12:42,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:12:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:12:42,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2020-06-22 06:12:42,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:12:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 06:12:42,570 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 06:12:42,570 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-06-22 06:12:42,571 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 23 states and 27 transitions. cyclomatic complexity: 6 Second operand 4 states. [2020-06-22 06:12:42,631 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 23 states and 27 transitions. cyclomatic complexity: 6. Second operand 4 states. Result 119 states and 129 transitions. Complement of second has 43 states. [2020-06-22 06:12:42,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-06-22 06:12:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 06:12:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2020-06-22 06:12:42,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 6 letters. Loop has 4 letters. [2020-06-22 06:12:42,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:42,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 10 letters. Loop has 4 letters. [2020-06-22 06:12:42,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:42,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 6 letters. Loop has 8 letters. [2020-06-22 06:12:42,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:42,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 129 transitions. [2020-06-22 06:12:42,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 06:12:42,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 47 states and 53 transitions. [2020-06-22 06:12:42,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2020-06-22 06:12:42,641 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2020-06-22 06:12:42,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 53 transitions. [2020-06-22 06:12:42,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 06:12:42,641 INFO L706 BuchiCegarLoop]: Abstraction has 47 states and 53 transitions. [2020-06-22 06:12:42,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 53 transitions. [2020-06-22 06:12:42,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2020-06-22 06:12:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-06-22 06:12:42,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2020-06-22 06:12:42,645 INFO L729 BuchiCegarLoop]: Abstraction has 41 states and 46 transitions. [2020-06-22 06:12:42,645 INFO L609 BuchiCegarLoop]: Abstraction has 41 states and 46 transitions. [2020-06-22 06:12:42,645 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 06:12:42,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 46 transitions. [2020-06-22 06:12:42,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 06:12:42,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 06:12:42,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 06:12:42,648 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-06-22 06:12:42,648 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 06:12:42,648 INFO L794 eck$LassoCheckResult]: Stem: 672#ULTIMATE.startENTRY [90] ULTIMATE.startENTRY-->L34: Formula: (and (<= 0 v_ULTIMATE.start_main_~n~0_13) (<= 0 v_ULTIMATE.start_main_~m~0_13)) InVars {} OutVars{ULTIMATE.start_main_~res1~0=v_ULTIMATE.start_main_~res1~0_6, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_13, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_13, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_7|, ULTIMATE.start_main_~res2~0=v_ULTIMATE.start_main_~res2~0_4, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~res1~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~res2~0, ULTIMATE.start_main_#t~ret4] 664#L34 [64] L34-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_3| v_ULTIMATE.start_main_~m~0_10) (= |v_mult_#in~mInParam_3| v_ULTIMATE.start_main_~n~0_9)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_10} OutVars{mult_#in~m=|v_mult_#in~mInParam_3|, mult_#in~n=|v_mult_#in~nInParam_3|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 676#multENTRY [49] multENTRY-->L16: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 682#L16 [78] L16-->L19: Formula: (>= v_mult_~m_4 0) InVars {mult_~m=v_mult_~m_4} OutVars{mult_~m=v_mult_~m_4} AuxVars[] AssignedVars[] 680#L19 [66] L19-->multFINAL: Formula: (and (= 0 v_mult_~m_5) (= |v_mult_#res_2| 0)) InVars {mult_~m=v_mult_~m_5} OutVars{mult_~m=v_mult_~m_5, mult_#res=|v_mult_#res_2|} AuxVars[] AssignedVars[mult_#res] 681#multFINAL [71] multFINAL-->multEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 683#multEXIT >[75] multEXIT-->L34-1: AOR: Formula: (= |v_ULTIMATE.start_main_#t~ret4_5| |v_mult_#resOutParam_3|) InVars {mult_#res=|v_mult_#resOutParam_3|} OutVars{ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret4] LVA: Formula: (and (= |v_mult_#in~nInParam_3| v_ULTIMATE.start_main_~m~0_10) (= |v_mult_#in~mInParam_3| v_ULTIMATE.start_main_~n~0_9)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_9, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_10} OutVars{mult_#in~m=|v_mult_#in~mInParam_3|, mult_#in~n=|v_mult_#in~nInParam_3|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n] 675#L34-1 [63] L34-1-->L35: Formula: (= v_ULTIMATE.start_main_~res1~0_4 |v_ULTIMATE.start_main_#t~ret4_4|) InVars {ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_4|} OutVars{ULTIMATE.start_main_~res1~0=v_ULTIMATE.start_main_~res1~0_4, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~res1~0, ULTIMATE.start_main_#t~ret4] 654#L35 [69] L35-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_4| v_ULTIMATE.start_main_~n~0_10) (= |v_mult_#in~mInParam_4| v_ULTIMATE.start_main_~m~0_11)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_10, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_11} OutVars{mult_#in~m=|v_mult_#in~mInParam_4|, mult_#in~n=|v_mult_#in~nInParam_4|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 655#multENTRY [2020-06-22 06:12:42,648 INFO L796 eck$LassoCheckResult]: Loop: 655#multENTRY [49] multENTRY-->L16: Formula: (and (= v_mult_~n_1 |v_mult_#in~n_1|) (= v_mult_~m_1 |v_mult_#in~m_1|)) InVars {mult_#in~m=|v_mult_#in~m_1|, mult_#in~n=|v_mult_#in~n_1|} OutVars{mult_#in~m=|v_mult_#in~m_1|, mult_~n=v_mult_~n_1, mult_~m=v_mult_~m_1, mult_#in~n=|v_mult_#in~n_1|} AuxVars[] AssignedVars[mult_~n, mult_~m] 679#L16 [52] L16-->L17: Formula: (< v_mult_~m_2 0) InVars {mult_~m=v_mult_~m_2} OutVars{mult_~m=v_mult_~m_2} AuxVars[] AssignedVars[] 653#L17 [48] L17-->multENTRY: Formula: (and (= |v_mult_#in~nInParam_1| v_mult_~n_5) (= |v_mult_#in~mInParam_1| (- v_mult_~m_8))) InVars {mult_~n=v_mult_~n_5, mult_~m=v_mult_~m_8} OutVars{mult_#in~m=|v_mult_#in~mInParam_1|, mult_#in~n=|v_mult_#in~nInParam_1|} AuxVars[] AssignedVars[mult_#in~m, mult_#in~n]< 655#multENTRY [2020-06-22 06:12:42,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:42,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1248690648, now seen corresponding path program 1 times [2020-06-22 06:12:42,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:42,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:42,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,650 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 06:12:42,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:42,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:42,659 INFO L82 PathProgramCache]: Analyzing trace with hash 78540, now seen corresponding path program 3 times [2020-06-22 06:12:42,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:42,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:42,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 06:12:42,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 06:12:42,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:42,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1031295163, now seen corresponding path program 1 times [2020-06-22 06:12:42,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 06:12:42,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 06:12:42,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,666 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 06:12:42,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 06:12:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:12:42,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 06:12:42,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 06:12:42,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-06-22 06:12:42,725 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:12:42,726 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:12:42,726 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:12:42,726 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:12:42,726 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 06:12:42,726 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,726 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:12:42,726 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:12:42,726 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-22 06:12:42,726 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:12:42,727 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:12:42,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,733 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 06:12:42,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,739 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 06:12:42,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,769 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:12:42,770 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,772 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:42,773 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:42,776 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:42,776 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#in~n=0} Honda state: {mult_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,802 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:42,802 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:42,805 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:42,805 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret0=0} Honda state: {mult_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,831 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:42,831 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:42,834 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 06:12:42,835 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {mult_#t~ret1=0} Honda state: {mult_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,860 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 06:12:42,860 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 06:12:42,890 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 06:12:42,891 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 06:12:42,925 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 06:12:42,927 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 06:12:42,927 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 06:12:42,927 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 06:12:42,927 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 06:12:42,927 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 06:12:42,927 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 06:12:42,927 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 06:12:42,928 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 06:12:42,928 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-22 06:12:42,928 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 06:12:42,928 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 06:12:42,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 06:12:42,978 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 06:12:42,978 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 06:12:42,978 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:42,979 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:42,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:42,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:42,979 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:42,979 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:42,980 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:42,980 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:42,981 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:42,982 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:42,982 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:42,982 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:42,982 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:42,983 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:42,983 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:42,983 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:42,983 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:42,984 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 06:12:42,984 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 06:12:42,985 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 06:12:42,985 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 06:12:42,985 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 06:12:42,985 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 06:12:42,985 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 06:12:42,986 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 06:12:42,986 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 06:12:42,988 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 06:12:42,990 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-06-22 06:12:42,990 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 06:12:42,991 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 06:12:42,991 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 06:12:42,991 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 06:12:42,991 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(mult_#in~m) = -1*mult_#in~m Supporting invariants [] [2020-06-22 06:12:42,992 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 06:12:43,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 06:12:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:12:43,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2020-06-22 06:12:43,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:12:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 06:12:43,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2020-06-22 06:12:43,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 06:12:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 06:12:43,086 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 06:12:43,086 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2020-06-22 06:12:43,086 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 41 states and 46 transitions. cyclomatic complexity: 7 Second operand 5 states. [2020-06-22 06:12:43,157 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 41 states and 46 transitions. cyclomatic complexity: 7. Second operand 5 states. Result 48 states and 53 transitions. Complement of second has 13 states. [2020-06-22 06:12:43,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-06-22 06:12:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 06:12:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2020-06-22 06:12:43,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 9 letters. Loop has 3 letters. [2020-06-22 06:12:43,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:43,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 12 letters. Loop has 3 letters. [2020-06-22 06:12:43,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:43,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 9 letters. Loop has 6 letters. [2020-06-22 06:12:43,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 06:12:43,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 53 transitions. [2020-06-22 06:12:43,163 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:12:43,163 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 0 states and 0 transitions. [2020-06-22 06:12:43,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 06:12:43,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 06:12:43,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 06:12:43,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:12:43,164 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:12:43,164 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:12:43,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-06-22 06:12:43,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-06-22 06:12:43,164 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2020-06-22 06:12:43,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 06:12:43,164 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-06-22 06:12:43,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-06-22 06:12:43,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-06-22 06:12:43,166 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:12:43,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-06-22 06:12:43,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 06:12:43,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 06:12:43,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 06:12:43,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 06:12:43,167 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:12:43,167 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:12:43,167 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 06:12:43,167 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2020-06-22 06:12:43,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 06:12:43,167 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 06:12:43,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 06:12:43,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 06:12:43 BasicIcfg [2020-06-22 06:12:43,173 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 06:12:43,174 INFO L168 Benchmark]: Toolchain (without parser) took 4065.84 ms. Allocated memory was 649.6 MB in the beginning and 758.1 MB in the end (delta: 108.5 MB). Free memory was 565.2 MB in the beginning and 493.6 MB in the end (delta: 71.5 MB). Peak memory consumption was 180.1 MB. Max. memory is 50.3 GB. [2020-06-22 06:12:43,175 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 591.1 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 06:12:43,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.78 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 565.2 MB in the beginning and 655.7 MB in the end (delta: -90.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 50.3 GB. [2020-06-22 06:12:43,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 690.0 MB. Free memory was 655.7 MB in the beginning and 654.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 06:12:43,177 INFO L168 Benchmark]: Boogie Preprocessor took 17.63 ms. Allocated memory is still 690.0 MB. Free memory was 654.6 MB in the beginning and 653.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 06:12:43,177 INFO L168 Benchmark]: RCFGBuilder took 289.72 ms. Allocated memory is still 690.0 MB. Free memory was 653.6 MB in the beginning and 635.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 50.3 GB. [2020-06-22 06:12:43,178 INFO L168 Benchmark]: BlockEncodingV2 took 90.93 ms. Allocated memory is still 690.0 MB. Free memory was 635.9 MB in the beginning and 629.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. [2020-06-22 06:12:43,178 INFO L168 Benchmark]: TraceAbstraction took 170.88 ms. Allocated memory is still 690.0 MB. Free memory was 629.4 MB in the beginning and 618.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. [2020-06-22 06:12:43,178 INFO L168 Benchmark]: BuchiAutomizer took 3168.69 ms. Allocated memory was 690.0 MB in the beginning and 758.1 MB in the end (delta: 68.2 MB). Free memory was 618.6 MB in the beginning and 493.6 MB in the end (delta: 125.0 MB). Peak memory consumption was 193.1 MB. Max. memory is 50.3 GB. [2020-06-22 06:12:43,183 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 21 locations, 28 edges - StatisticsResult: Encoded RCFG 13 locations, 18 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 591.1 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 286.78 ms. Allocated memory was 649.6 MB in the beginning and 690.0 MB in the end (delta: 40.4 MB). Free memory was 565.2 MB in the beginning and 655.7 MB in the end (delta: -90.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 690.0 MB. Free memory was 655.7 MB in the beginning and 654.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.63 ms. Allocated memory is still 690.0 MB. Free memory was 654.6 MB in the beginning and 653.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 289.72 ms. Allocated memory is still 690.0 MB. Free memory was 653.6 MB in the beginning and 635.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 90.93 ms. Allocated memory is still 690.0 MB. Free memory was 635.9 MB in the beginning and 629.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. * TraceAbstraction took 170.88 ms. Allocated memory is still 690.0 MB. Free memory was 629.4 MB in the beginning and 618.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 3168.69 ms. Allocated memory was 690.0 MB in the beginning and 758.1 MB in the end (delta: 68.2 MB). Free memory was 618.6 MB in the beginning and 493.6 MB in the end (delta: 125.0 MB). Peak memory consumption was 193.1 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 locations, 0 error locations. SAFE Result, 0.1s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 14 PreInvPairs, 14 NumberOfFragments, 5 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (3 trivial, 0 deterministic, 4 nondeterministic). One nondeterministic module has affine ranking function -1 * \old(m) and consists of 5 locations. One nondeterministic module has affine ranking function -1 * \old(m) and consists of 6 locations. One nondeterministic module has affine ranking function \old(m) and consists of 5 locations. One nondeterministic module has affine ranking function -1 * \old(m) and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 33 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 41 states and ocurred in iteration 3. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 105 SDtfs, 142 SDslu, 96 SDs, 0 SdLazy, 160 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT3 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 19 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 06:12:35.889 ----------------------------------------------- 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/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 06:12:43.414 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check