17.14/8.05 NO 17.14/8.05 17.14/8.05 Ultimate: Cannot open display: 17.14/8.05 This is Ultimate 0.1.24-8dc7c08-m 17.14/8.05 [2019-03-29 01:55:30,740 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.14/8.05 [2019-03-29 01:55:30,742 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.14/8.05 [2019-03-29 01:55:30,754 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.14/8.05 [2019-03-29 01:55:30,754 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.14/8.05 [2019-03-29 01:55:30,755 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.14/8.05 [2019-03-29 01:55:30,756 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.14/8.05 [2019-03-29 01:55:30,758 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.14/8.05 [2019-03-29 01:55:30,759 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.14/8.05 [2019-03-29 01:55:30,760 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.14/8.05 [2019-03-29 01:55:30,761 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.14/8.05 [2019-03-29 01:55:30,761 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.14/8.05 [2019-03-29 01:55:30,762 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.14/8.05 [2019-03-29 01:55:30,763 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.14/8.05 [2019-03-29 01:55:30,764 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.14/8.05 [2019-03-29 01:55:30,765 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.14/8.05 [2019-03-29 01:55:30,765 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.14/8.05 [2019-03-29 01:55:30,767 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.14/8.05 [2019-03-29 01:55:30,769 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.14/8.05 [2019-03-29 01:55:30,770 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.14/8.05 [2019-03-29 01:55:30,771 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.14/8.05 [2019-03-29 01:55:30,773 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.14/8.05 [2019-03-29 01:55:30,775 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.14/8.05 [2019-03-29 01:55:30,775 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.14/8.05 [2019-03-29 01:55:30,775 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.14/8.05 [2019-03-29 01:55:30,776 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.14/8.05 [2019-03-29 01:55:30,777 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.14/8.05 [2019-03-29 01:55:30,777 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.14/8.05 [2019-03-29 01:55:30,778 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.14/8.05 [2019-03-29 01:55:30,778 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.14/8.05 [2019-03-29 01:55:30,779 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.14/8.05 [2019-03-29 01:55:30,780 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.14/8.05 [2019-03-29 01:55:30,781 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.14/8.05 [2019-03-29 01:55:30,781 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.14/8.05 [2019-03-29 01:55:30,781 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.14/8.05 [2019-03-29 01:55:30,782 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.14/8.05 [2019-03-29 01:55:30,782 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.14/8.05 [2019-03-29 01:55:30,783 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.14/8.05 [2019-03-29 01:55:30,783 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.14/8.05 [2019-03-29 01:55:30,784 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 17.14/8.05 [2019-03-29 01:55:30,798 INFO L110 SettingsManager]: Loading preferences was successful 17.14/8.05 [2019-03-29 01:55:30,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.14/8.05 [2019-03-29 01:55:30,800 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.14/8.05 [2019-03-29 01:55:30,800 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.14/8.05 [2019-03-29 01:55:30,800 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.14/8.05 [2019-03-29 01:55:30,800 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.14/8.05 [2019-03-29 01:55:30,800 INFO L133 SettingsManager]: * Use SBE=true 17.14/8.05 [2019-03-29 01:55:30,800 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.14/8.05 [2019-03-29 01:55:30,801 INFO L133 SettingsManager]: * Use old map elimination=false 17.14/8.05 [2019-03-29 01:55:30,801 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.14/8.05 [2019-03-29 01:55:30,801 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.14/8.05 [2019-03-29 01:55:30,801 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.14/8.05 [2019-03-29 01:55:30,801 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.14/8.05 [2019-03-29 01:55:30,801 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.14/8.05 [2019-03-29 01:55:30,802 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.14/8.05 [2019-03-29 01:55:30,802 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.14/8.05 [2019-03-29 01:55:30,802 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.14/8.05 [2019-03-29 01:55:30,802 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.14/8.05 [2019-03-29 01:55:30,802 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.14/8.05 [2019-03-29 01:55:30,802 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.14/8.05 [2019-03-29 01:55:30,803 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.14/8.05 [2019-03-29 01:55:30,803 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.14/8.05 [2019-03-29 01:55:30,803 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.14/8.05 [2019-03-29 01:55:30,803 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.14/8.05 [2019-03-29 01:55:30,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.14/8.05 [2019-03-29 01:55:30,804 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.14/8.05 [2019-03-29 01:55:30,804 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.14/8.05 [2019-03-29 01:55:30,804 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.14/8.05 [2019-03-29 01:55:30,804 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.14/8.05 [2019-03-29 01:55:30,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.14/8.05 [2019-03-29 01:55:30,842 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.14/8.05 [2019-03-29 01:55:30,846 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.14/8.05 [2019-03-29 01:55:30,847 INFO L271 PluginConnector]: Initializing CDTParser... 17.14/8.05 [2019-03-29 01:55:30,848 INFO L276 PluginConnector]: CDTParser initialized 17.14/8.05 [2019-03-29 01:55:30,848 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 17.14/8.05 [2019-03-29 01:55:30,941 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/00d4ad9e3ab54674bd66fa4732394fb5/FLAGbca4a1c58 17.14/8.05 [2019-03-29 01:55:31,281 INFO L307 CDTParser]: Found 1 translation units. 17.14/8.05 [2019-03-29 01:55:31,282 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 17.14/8.05 [2019-03-29 01:55:31,289 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/00d4ad9e3ab54674bd66fa4732394fb5/FLAGbca4a1c58 17.14/8.05 [2019-03-29 01:55:31,686 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/00d4ad9e3ab54674bd66fa4732394fb5 17.14/8.05 [2019-03-29 01:55:31,697 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.14/8.05 [2019-03-29 01:55:31,699 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.14/8.05 [2019-03-29 01:55:31,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.14/8.05 [2019-03-29 01:55:31,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.14/8.05 [2019-03-29 01:55:31,704 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.14/8.05 [2019-03-29 01:55:31,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:55:31" (1/1) ... 17.14/8.05 [2019-03-29 01:55:31,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7026f7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31, skipping insertion in model container 17.14/8.05 [2019-03-29 01:55:31,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:55:31" (1/1) ... 17.14/8.05 [2019-03-29 01:55:31,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.14/8.05 [2019-03-29 01:55:31,735 INFO L176 MainTranslator]: Built tables and reachable declarations 17.14/8.05 [2019-03-29 01:55:31,895 INFO L206 PostProcessor]: Analyzing one entry point: main 17.14/8.05 [2019-03-29 01:55:31,900 INFO L191 MainTranslator]: Completed pre-run 17.14/8.05 [2019-03-29 01:55:31,918 INFO L206 PostProcessor]: Analyzing one entry point: main 17.14/8.05 [2019-03-29 01:55:31,933 INFO L195 MainTranslator]: Completed translation 17.14/8.05 [2019-03-29 01:55:31,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31 WrapperNode 17.14/8.05 [2019-03-29 01:55:31,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.14/8.05 [2019-03-29 01:55:31,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.14/8.05 [2019-03-29 01:55:31,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.14/8.05 [2019-03-29 01:55:31,935 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.14/8.05 [2019-03-29 01:55:32,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (1/1) ... 17.14/8.05 [2019-03-29 01:55:32,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (1/1) ... 17.14/8.05 [2019-03-29 01:55:32,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.14/8.05 [2019-03-29 01:55:32,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.14/8.05 [2019-03-29 01:55:32,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.14/8.05 [2019-03-29 01:55:32,028 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.14/8.05 [2019-03-29 01:55:32,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (1/1) ... 17.14/8.05 [2019-03-29 01:55:32,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (1/1) ... 17.14/8.05 [2019-03-29 01:55:32,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (1/1) ... 17.14/8.05 [2019-03-29 01:55:32,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (1/1) ... 17.14/8.05 [2019-03-29 01:55:32,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (1/1) ... 17.14/8.05 [2019-03-29 01:55:32,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (1/1) ... 17.14/8.05 [2019-03-29 01:55:32,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (1/1) ... 17.14/8.05 [2019-03-29 01:55:32,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.14/8.05 [2019-03-29 01:55:32,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.14/8.05 [2019-03-29 01:55:32,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.14/8.05 [2019-03-29 01:55:32,048 INFO L276 PluginConnector]: RCFGBuilder initialized 17.14/8.05 [2019-03-29 01:55:32,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (1/1) ... 17.14/8.05 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.14/8.05 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.14/8.05 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.14/8.05 [2019-03-29 01:55:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.14/8.05 [2019-03-29 01:55:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.14/8.05 [2019-03-29 01:55:32,243 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.14/8.05 [2019-03-29 01:55:32,243 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 17.14/8.05 [2019-03-29 01:55:32,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:32 BoogieIcfgContainer 17.14/8.05 [2019-03-29 01:55:32,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.14/8.05 [2019-03-29 01:55:32,245 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.14/8.05 [2019-03-29 01:55:32,245 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.14/8.05 [2019-03-29 01:55:32,247 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.14/8.05 [2019-03-29 01:55:32,248 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:32" (1/1) ... 17.14/8.05 [2019-03-29 01:55:32,262 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 17.14/8.05 [2019-03-29 01:55:32,264 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.14/8.05 [2019-03-29 01:55:32,265 INFO L263 BlockEncoder]: Using Maximize final states 17.14/8.05 [2019-03-29 01:55:32,265 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.14/8.05 [2019-03-29 01:55:32,266 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.14/8.05 [2019-03-29 01:55:32,268 INFO L296 BlockEncoder]: Using Remove sink states 17.14/8.05 [2019-03-29 01:55:32,268 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.14/8.05 [2019-03-29 01:55:32,269 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.14/8.05 [2019-03-29 01:55:32,285 INFO L185 BlockEncoder]: Using Use SBE 17.14/8.05 [2019-03-29 01:55:32,303 INFO L200 BlockEncoder]: SBE split 3 edges 17.14/8.05 [2019-03-29 01:55:32,308 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 17.14/8.05 [2019-03-29 01:55:32,309 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.14/8.05 [2019-03-29 01:55:32,320 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 17.14/8.05 [2019-03-29 01:55:32,321 INFO L70 RemoveSinkStates]: Removed 6 edges and 2 locations by removing sink states 17.14/8.05 [2019-03-29 01:55:32,323 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.14/8.05 [2019-03-29 01:55:32,323 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.14/8.05 [2019-03-29 01:55:32,323 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.14/8.05 [2019-03-29 01:55:32,323 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.14/8.05 [2019-03-29 01:55:32,324 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 6 edges 17.14/8.05 [2019-03-29 01:55:32,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:32 BasicIcfg 17.14/8.05 [2019-03-29 01:55:32,324 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.14/8.05 [2019-03-29 01:55:32,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.14/8.05 [2019-03-29 01:55:32,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.14/8.05 [2019-03-29 01:55:32,328 INFO L276 PluginConnector]: TraceAbstraction initialized 17.14/8.05 [2019-03-29 01:55:32,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:55:31" (1/4) ... 17.14/8.05 [2019-03-29 01:55:32,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2895d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:55:32, skipping insertion in model container 17.14/8.05 [2019-03-29 01:55:32,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (2/4) ... 17.14/8.05 [2019-03-29 01:55:32,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2895d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:55:32, skipping insertion in model container 17.14/8.05 [2019-03-29 01:55:32,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:32" (3/4) ... 17.14/8.05 [2019-03-29 01:55:32,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2895d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:32, skipping insertion in model container 17.14/8.05 [2019-03-29 01:55:32,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:32" (4/4) ... 17.14/8.05 [2019-03-29 01:55:32,332 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.14/8.05 [2019-03-29 01:55:32,342 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.14/8.05 [2019-03-29 01:55:32,350 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.14/8.05 [2019-03-29 01:55:32,367 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.14/8.05 [2019-03-29 01:55:32,395 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.14/8.05 [2019-03-29 01:55:32,396 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.14/8.05 [2019-03-29 01:55:32,396 INFO L383 AbstractCegarLoop]: Hoare is true 17.14/8.05 [2019-03-29 01:55:32,397 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.14/8.05 [2019-03-29 01:55:32,397 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.14/8.05 [2019-03-29 01:55:32,397 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.14/8.05 [2019-03-29 01:55:32,397 INFO L387 AbstractCegarLoop]: Difference is false 17.14/8.05 [2019-03-29 01:55:32,397 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.14/8.05 [2019-03-29 01:55:32,397 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.14/8.05 [2019-03-29 01:55:32,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 17.14/8.05 [2019-03-29 01:55:32,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.14/8.05 [2019-03-29 01:55:32,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 17.14/8.05 [2019-03-29 01:55:32,469 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 24) no Hoare annotation was computed. 17.14/8.05 [2019-03-29 01:55:32,469 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 15 25) the Hoare annotation is: true 17.14/8.05 [2019-03-29 01:55:32,469 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.14/8.05 [2019-03-29 01:55:32,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:32 BasicIcfg 17.14/8.05 [2019-03-29 01:55:32,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.14/8.05 [2019-03-29 01:55:32,478 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.14/8.05 [2019-03-29 01:55:32,479 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.14/8.05 [2019-03-29 01:55:32,482 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.14/8.05 [2019-03-29 01:55:32,483 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.14/8.05 [2019-03-29 01:55:32,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:55:31" (1/5) ... 17.14/8.05 [2019-03-29 01:55:32,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c7c4f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:55:32, skipping insertion in model container 17.14/8.05 [2019-03-29 01:55:32,484 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.14/8.05 [2019-03-29 01:55:32,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:55:31" (2/5) ... 17.14/8.05 [2019-03-29 01:55:32,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c7c4f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:55:32, skipping insertion in model container 17.14/8.05 [2019-03-29 01:55:32,484 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.14/8.05 [2019-03-29 01:55:32,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:55:32" (3/5) ... 17.14/8.05 [2019-03-29 01:55:32,485 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c7c4f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:32, skipping insertion in model container 17.14/8.05 [2019-03-29 01:55:32,485 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.14/8.05 [2019-03-29 01:55:32,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:55:32" (4/5) ... 17.14/8.05 [2019-03-29 01:55:32,486 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c7c4f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:32, skipping insertion in model container 17.14/8.05 [2019-03-29 01:55:32,486 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.14/8.05 [2019-03-29 01:55:32,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:55:32" (5/5) ... 17.14/8.05 [2019-03-29 01:55:32,487 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.14/8.05 [2019-03-29 01:55:32,514 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.14/8.05 [2019-03-29 01:55:32,515 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.14/8.05 [2019-03-29 01:55:32,515 INFO L375 BuchiCegarLoop]: Hoare is true 17.14/8.05 [2019-03-29 01:55:32,515 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.14/8.05 [2019-03-29 01:55:32,515 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.14/8.05 [2019-03-29 01:55:32,515 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.14/8.05 [2019-03-29 01:55:32,516 INFO L379 BuchiCegarLoop]: Difference is false 17.14/8.05 [2019-03-29 01:55:32,516 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.14/8.05 [2019-03-29 01:55:32,516 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.14/8.05 [2019-03-29 01:55:32,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 17.14/8.05 [2019-03-29 01:55:32,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.14/8.05 [2019-03-29 01:55:32,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.14/8.05 [2019-03-29 01:55:32,537 INFO L119 BuchiIsEmpty]: Starting construction of run 17.14/8.05 [2019-03-29 01:55:32,543 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.14/8.05 [2019-03-29 01:55:32,543 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.14/8.05 [2019-03-29 01:55:32,544 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.14/8.05 [2019-03-29 01:55:32,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 17.14/8.05 [2019-03-29 01:55:32,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.14/8.05 [2019-03-29 01:55:32,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.14/8.05 [2019-03-29 01:55:32,545 INFO L119 BuchiIsEmpty]: Starting construction of run 17.14/8.05 [2019-03-29 01:55:32,545 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.14/8.05 [2019-03-29 01:55:32,545 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.14/8.05 [2019-03-29 01:55:32,550 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 v_ULTIMATE.start_main_~y~0_1)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 3#L17-2true 17.14/8.05 [2019-03-29 01:55:32,550 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [35] L17-2-->L17: Formula: (and (= 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} AuxVars[] AssignedVars[] 5#L17true [42] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_10 (+ v_ULTIMATE.start_main_~y~0_11 (- 1))) (> 0 v_ULTIMATE.start_main_~y~0_11) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L17-2true 17.14/8.05 [2019-03-29 01:55:32,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.05 [2019-03-29 01:55:32,557 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 17.14/8.05 [2019-03-29 01:55:32,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.05 [2019-03-29 01:55:32,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.05 [2019-03-29 01:55:32,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.05 [2019-03-29 01:55:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.05 [2019-03-29 01:55:32,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.05 [2019-03-29 01:55:32,632 INFO L82 PathProgramCache]: Analyzing trace with hash 2088, now seen corresponding path program 1 times 17.14/8.05 [2019-03-29 01:55:32,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.05 [2019-03-29 01:55:32,632 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.05 [2019-03-29 01:55:32,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.14/8.05 [2019-03-29 01:55:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.14/8.05 [2019-03-29 01:55:32,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.14/8.05 [2019-03-29 01:55:32,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 17.14/8.05 [2019-03-29 01:55:32,689 INFO L811 eck$LassoCheckResult]: loop already infeasible 17.14/8.05 [2019-03-29 01:55:32,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 17.14/8.05 [2019-03-29 01:55:32,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 17.14/8.05 [2019-03-29 01:55:32,707 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 3 states. 17.14/8.05 [2019-03-29 01:55:32,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.14/8.05 [2019-03-29 01:55:32,736 INFO L93 Difference]: Finished difference Result 4 states and 7 transitions. 17.14/8.05 [2019-03-29 01:55:32,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 17.14/8.05 [2019-03-29 01:55:32,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 7 transitions. 17.14/8.05 [2019-03-29 01:55:32,741 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.14/8.05 [2019-03-29 01:55:32,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 7 transitions. 17.14/8.05 [2019-03-29 01:55:32,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 17.14/8.05 [2019-03-29 01:55:32,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 17.14/8.05 [2019-03-29 01:55:32,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 7 transitions. 17.14/8.05 [2019-03-29 01:55:32,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.14/8.05 [2019-03-29 01:55:32,748 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 7 transitions. 17.14/8.05 [2019-03-29 01:55:32,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 7 transitions. 17.14/8.05 [2019-03-29 01:55:32,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 3. 17.14/8.05 [2019-03-29 01:55:32,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.14/8.05 [2019-03-29 01:55:32,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. 17.14/8.05 [2019-03-29 01:55:32,779 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 5 transitions. 17.14/8.05 [2019-03-29 01:55:32,779 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 5 transitions. 17.14/8.05 [2019-03-29 01:55:32,779 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.14/8.05 [2019-03-29 01:55:32,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 5 transitions. 17.14/8.05 [2019-03-29 01:55:32,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.14/8.05 [2019-03-29 01:55:32,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.14/8.05 [2019-03-29 01:55:32,780 INFO L119 BuchiIsEmpty]: Starting construction of run 17.14/8.05 [2019-03-29 01:55:32,780 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.14/8.05 [2019-03-29 01:55:32,780 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.14/8.05 [2019-03-29 01:55:32,781 INFO L794 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 v_ULTIMATE.start_main_~y~0_1)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 16#L17-2 17.14/8.05 [2019-03-29 01:55:32,781 INFO L796 eck$LassoCheckResult]: Loop: 16#L17-2 [35] L17-2-->L17: Formula: (and (= 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} AuxVars[] AssignedVars[] 17#L17 [43] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_10 (+ v_ULTIMATE.start_main_~y~0_11 (- 1))) (< 0 v_ULTIMATE.start_main_~y~0_11) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 16#L17-2 17.14/8.05 [2019-03-29 01:55:32,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.05 [2019-03-29 01:55:32,781 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 2 times 17.14/8.05 [2019-03-29 01:55:32,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.05 [2019-03-29 01:55:32,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.05 [2019-03-29 01:55:32,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.05 [2019-03-29 01:55:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.05 [2019-03-29 01:55:32,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.05 [2019-03-29 01:55:32,789 INFO L82 PathProgramCache]: Analyzing trace with hash 2089, now seen corresponding path program 1 times 17.14/8.05 [2019-03-29 01:55:32,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.05 [2019-03-29 01:55:32,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.05 [2019-03-29 01:55:32,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,791 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.05 [2019-03-29 01:55:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.14/8.05 [2019-03-29 01:55:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.14/8.05 [2019-03-29 01:55:32,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.14/8.05 [2019-03-29 01:55:32,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 17.14/8.05 [2019-03-29 01:55:32,805 INFO L811 eck$LassoCheckResult]: loop already infeasible 17.14/8.05 [2019-03-29 01:55:32,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 17.14/8.05 [2019-03-29 01:55:32,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 17.14/8.05 [2019-03-29 01:55:32,805 INFO L87 Difference]: Start difference. First operand 3 states and 5 transitions. cyclomatic complexity: 3 Second operand 3 states. 17.14/8.05 [2019-03-29 01:55:32,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.14/8.05 [2019-03-29 01:55:32,818 INFO L93 Difference]: Finished difference Result 4 states and 6 transitions. 17.14/8.05 [2019-03-29 01:55:32,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 17.14/8.05 [2019-03-29 01:55:32,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 6 transitions. 17.14/8.05 [2019-03-29 01:55:32,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.14/8.05 [2019-03-29 01:55:32,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 4 states and 6 transitions. 17.14/8.05 [2019-03-29 01:55:32,821 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 17.14/8.05 [2019-03-29 01:55:32,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 17.14/8.05 [2019-03-29 01:55:32,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 6 transitions. 17.14/8.05 [2019-03-29 01:55:32,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.14/8.05 [2019-03-29 01:55:32,821 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. 17.14/8.05 [2019-03-29 01:55:32,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 6 transitions. 17.14/8.05 [2019-03-29 01:55:32,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. 17.14/8.05 [2019-03-29 01:55:32,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 17.14/8.05 [2019-03-29 01:55:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. 17.14/8.05 [2019-03-29 01:55:32,823 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. 17.14/8.05 [2019-03-29 01:55:32,823 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 6 transitions. 17.14/8.05 [2019-03-29 01:55:32,823 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 17.14/8.05 [2019-03-29 01:55:32,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 6 transitions. 17.14/8.05 [2019-03-29 01:55:32,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.14/8.05 [2019-03-29 01:55:32,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.14/8.05 [2019-03-29 01:55:32,824 INFO L119 BuchiIsEmpty]: Starting construction of run 17.14/8.05 [2019-03-29 01:55:32,824 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.14/8.05 [2019-03-29 01:55:32,824 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.14/8.05 [2019-03-29 01:55:32,825 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 v_ULTIMATE.start_main_~y~0_1)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 29#L17-2 17.14/8.06 [2019-03-29 01:55:32,825 INFO L796 eck$LassoCheckResult]: Loop: 29#L17-2 [35] L17-2-->L17: Formula: (and (= 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} AuxVars[] AssignedVars[] 30#L17 [29] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~res~0_6 (+ v_ULTIMATE.start_main_~res~0_7 1)) (= 0 v_ULTIMATE.start_main_~y~0_9) (= v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~y~0] 29#L17-2 17.14/8.06 [2019-03-29 01:55:32,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.06 [2019-03-29 01:55:32,826 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 3 times 17.14/8.06 [2019-03-29 01:55:32,826 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.06 [2019-03-29 01:55:32,826 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.06 [2019-03-29 01:55:32,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.06 [2019-03-29 01:55:32,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.06 [2019-03-29 01:55:32,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.06 [2019-03-29 01:55:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.06 [2019-03-29 01:55:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.06 [2019-03-29 01:55:32,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.06 [2019-03-29 01:55:32,833 INFO L82 PathProgramCache]: Analyzing trace with hash 2075, now seen corresponding path program 1 times 17.14/8.06 [2019-03-29 01:55:32,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.06 [2019-03-29 01:55:32,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.06 [2019-03-29 01:55:32,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.06 [2019-03-29 01:55:32,835 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.14/8.06 [2019-03-29 01:55:32,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.06 [2019-03-29 01:55:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.06 [2019-03-29 01:55:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.14/8.06 [2019-03-29 01:55:32,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.14/8.06 [2019-03-29 01:55:32,843 INFO L82 PathProgramCache]: Analyzing trace with hash 56852, now seen corresponding path program 1 times 17.14/8.06 [2019-03-29 01:55:32,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.14/8.06 [2019-03-29 01:55:32,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.14/8.06 [2019-03-29 01:55:32,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.06 [2019-03-29 01:55:32,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.14/8.06 [2019-03-29 01:55:32,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.14/8.06 [2019-03-29 01:55:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.14/8.06 [2019-03-29 01:55:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.14/8.06 [2019-03-29 01:55:32,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.14/8.06 [2019-03-29 01:55:32,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 17.20/8.06 [2019-03-29 01:55:32,940 INFO L216 LassoAnalysis]: Preferences: 17.20/8.06 [2019-03-29 01:55:32,942 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.20/8.06 [2019-03-29 01:55:32,942 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.20/8.06 [2019-03-29 01:55:32,942 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.20/8.06 [2019-03-29 01:55:32,942 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.20/8.06 [2019-03-29 01:55:32,943 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:32,943 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.20/8.06 [2019-03-29 01:55:32,943 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.20/8.06 [2019-03-29 01:55:32,943 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.20/8.06 [2019-03-29 01:55:32,943 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.20/8.06 [2019-03-29 01:55:32,943 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.20/8.06 [2019-03-29 01:55:32,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:32,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:32,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:32,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:33,074 INFO L300 LassoAnalysis]: Preprocessing complete. 17.20/8.06 [2019-03-29 01:55:33,075 INFO L412 LassoAnalysis]: Checking for nontermination... 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:33,083 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:33,083 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:33,117 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:33,117 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:33,125 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:33,125 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:33,154 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:33,154 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:33,162 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:33,162 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:33,192 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:33,192 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:33,211 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:33,211 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0=0} Honda state: {ULTIMATE.start_main_~res~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0=7}, {ULTIMATE.start_main_~res~0=-7}, {ULTIMATE.start_main_~res~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:33,258 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:33,259 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:33,289 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:33,290 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:33,346 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.20/8.06 [2019-03-29 01:55:33,349 INFO L216 LassoAnalysis]: Preferences: 17.20/8.06 [2019-03-29 01:55:33,349 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.20/8.06 [2019-03-29 01:55:33,349 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.20/8.06 [2019-03-29 01:55:33,349 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.20/8.06 [2019-03-29 01:55:33,350 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.20/8.06 [2019-03-29 01:55:33,350 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:33,350 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.20/8.06 [2019-03-29 01:55:33,350 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.20/8.06 [2019-03-29 01:55:33,350 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.20/8.06 [2019-03-29 01:55:33,350 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.20/8.06 [2019-03-29 01:55:33,350 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.20/8.06 [2019-03-29 01:55:33,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:33,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:33,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:33,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:33,429 INFO L300 LassoAnalysis]: Preprocessing complete. 17.20/8.06 [2019-03-29 01:55:33,435 INFO L497 LassoAnalysis]: Using template 'affine'. 17.20/8.06 [2019-03-29 01:55:33,437 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.20/8.06 Termination analysis: LINEAR_WITH_GUESSES 17.20/8.06 Number of strict supporting invariants: 0 17.20/8.06 Number of non-strict supporting invariants: 1 17.20/8.06 Consider only non-deceasing supporting invariants: true 17.20/8.06 Simplify termination arguments: true 17.20/8.06 Simplify supporting invariants: trueOverapproximate stem: false 17.20/8.06 [2019-03-29 01:55:33,438 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.20/8.06 [2019-03-29 01:55:33,439 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.20/8.06 [2019-03-29 01:55:33,439 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.20/8.06 [2019-03-29 01:55:33,439 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.20/8.06 [2019-03-29 01:55:33,443 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.20/8.06 [2019-03-29 01:55:33,444 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.20/8.06 [2019-03-29 01:55:33,451 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.20/8.06 [2019-03-29 01:55:33,451 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.20/8.06 Termination analysis: LINEAR_WITH_GUESSES 17.20/8.06 Number of strict supporting invariants: 0 17.20/8.06 Number of non-strict supporting invariants: 1 17.20/8.06 Consider only non-deceasing supporting invariants: true 17.20/8.06 Simplify termination arguments: true 17.20/8.06 Simplify supporting invariants: trueOverapproximate stem: false 17.20/8.06 [2019-03-29 01:55:33,452 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.20/8.06 [2019-03-29 01:55:33,452 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.20/8.06 [2019-03-29 01:55:33,452 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.20/8.06 [2019-03-29 01:55:33,452 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.20/8.06 [2019-03-29 01:55:33,455 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.20/8.06 [2019-03-29 01:55:33,455 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.20/8.06 [2019-03-29 01:55:33,464 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.20/8.06 [2019-03-29 01:55:33,464 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.20/8.06 Termination analysis: LINEAR_WITH_GUESSES 17.20/8.06 Number of strict supporting invariants: 0 17.20/8.06 Number of non-strict supporting invariants: 1 17.20/8.06 Consider only non-deceasing supporting invariants: true 17.20/8.06 Simplify termination arguments: true 17.20/8.06 Simplify supporting invariants: trueOverapproximate stem: false 17.20/8.06 [2019-03-29 01:55:33,465 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.20/8.06 [2019-03-29 01:55:33,465 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.20/8.06 [2019-03-29 01:55:33,466 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.20/8.06 [2019-03-29 01:55:33,466 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.20/8.06 [2019-03-29 01:55:33,466 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.20/8.06 [2019-03-29 01:55:33,467 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.20/8.06 [2019-03-29 01:55:33,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.20/8.06 [2019-03-29 01:55:33,471 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.20/8.06 [2019-03-29 01:55:33,472 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.20/8.06 Termination analysis: LINEAR_WITH_GUESSES 17.20/8.06 Number of strict supporting invariants: 0 17.20/8.06 Number of non-strict supporting invariants: 1 17.20/8.06 Consider only non-deceasing supporting invariants: true 17.20/8.06 Simplify termination arguments: true 17.20/8.06 Simplify supporting invariants: trueOverapproximate stem: false 17.20/8.06 [2019-03-29 01:55:33,472 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.20/8.06 [2019-03-29 01:55:33,472 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.20/8.06 [2019-03-29 01:55:33,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.20/8.06 [2019-03-29 01:55:33,473 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.20/8.06 [2019-03-29 01:55:33,473 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.20/8.06 [2019-03-29 01:55:33,474 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.20/8.06 [2019-03-29 01:55:33,474 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.20/8.06 [2019-03-29 01:55:33,480 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.20/8.06 [2019-03-29 01:55:33,486 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.20/8.06 [2019-03-29 01:55:33,486 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 17.20/8.06 [2019-03-29 01:55:33,489 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.20/8.06 [2019-03-29 01:55:33,489 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.20/8.06 [2019-03-29 01:55:33,490 INFO L518 LassoAnalysis]: Proved termination. 17.20/8.06 [2019-03-29 01:55:33,490 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.20/8.06 Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 1 17.20/8.06 Supporting invariants [] 17.20/8.06 [2019-03-29 01:55:33,491 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.20/8.06 [2019-03-29 01:55:33,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.20/8.06 [2019-03-29 01:55:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.20/8.06 [2019-03-29 01:55:33,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 17.20/8.06 [2019-03-29 01:55:33,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.20/8.06 [2019-03-29 01:55:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.20/8.06 [2019-03-29 01:55:33,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core 17.20/8.06 [2019-03-29 01:55:33,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.20/8.06 [2019-03-29 01:55:33,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.20/8.06 [2019-03-29 01:55:33,596 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 17.20/8.06 [2019-03-29 01:55:33,599 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 17.20/8.06 [2019-03-29 01:55:33,600 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 6 transitions. cyclomatic complexity: 3 Second operand 3 states. 17.20/8.06 [2019-03-29 01:55:33,731 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 6 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 13 states and 23 transitions. Complement of second has 9 states. 17.20/8.06 [2019-03-29 01:55:33,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states 17.20/8.06 [2019-03-29 01:55:33,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.20/8.06 [2019-03-29 01:55:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. 17.20/8.06 [2019-03-29 01:55:33,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 1 letters. Loop has 2 letters. 17.20/8.06 [2019-03-29 01:55:33,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.20/8.06 [2019-03-29 01:55:33,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 3 letters. Loop has 2 letters. 17.20/8.06 [2019-03-29 01:55:33,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.20/8.06 [2019-03-29 01:55:33,738 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 1 letters. Loop has 4 letters. 17.20/8.06 [2019-03-29 01:55:33,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.20/8.06 [2019-03-29 01:55:33,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 23 transitions. 17.20/8.06 [2019-03-29 01:55:33,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.20/8.06 [2019-03-29 01:55:33,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 15 transitions. 17.20/8.06 [2019-03-29 01:55:33,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 17.20/8.06 [2019-03-29 01:55:33,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 17.20/8.06 [2019-03-29 01:55:33,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 15 transitions. 17.20/8.06 [2019-03-29 01:55:33,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.20/8.06 [2019-03-29 01:55:33,746 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 15 transitions. 17.20/8.06 [2019-03-29 01:55:33,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 15 transitions. 17.20/8.06 [2019-03-29 01:55:33,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. 17.20/8.06 [2019-03-29 01:55:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 17.20/8.06 [2019-03-29 01:55:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 14 transitions. 17.20/8.06 [2019-03-29 01:55:33,748 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 14 transitions. 17.20/8.06 [2019-03-29 01:55:33,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 17.20/8.06 [2019-03-29 01:55:33,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 17.20/8.06 [2019-03-29 01:55:33,749 INFO L87 Difference]: Start difference. First operand 8 states and 14 transitions. Second operand 3 states. 17.20/8.06 [2019-03-29 01:55:33,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.20/8.06 [2019-03-29 01:55:33,768 INFO L93 Difference]: Finished difference Result 10 states and 15 transitions. 17.20/8.06 [2019-03-29 01:55:33,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 17.20/8.06 [2019-03-29 01:55:33,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 15 transitions. 17.20/8.06 [2019-03-29 01:55:33,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 17.20/8.06 [2019-03-29 01:55:33,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 15 transitions. 17.20/8.06 [2019-03-29 01:55:33,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 17.20/8.06 [2019-03-29 01:55:33,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 17.20/8.06 [2019-03-29 01:55:33,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. 17.20/8.06 [2019-03-29 01:55:33,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.20/8.06 [2019-03-29 01:55:33,772 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. 17.20/8.06 [2019-03-29 01:55:33,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. 17.20/8.06 [2019-03-29 01:55:33,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. 17.20/8.06 [2019-03-29 01:55:33,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 17.20/8.06 [2019-03-29 01:55:33,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. 17.20/8.06 [2019-03-29 01:55:33,774 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. 17.20/8.06 [2019-03-29 01:55:33,774 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. 17.20/8.06 [2019-03-29 01:55:33,774 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 17.20/8.06 [2019-03-29 01:55:33,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 13 transitions. 17.20/8.06 [2019-03-29 01:55:33,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 17.20/8.06 [2019-03-29 01:55:33,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.20/8.06 [2019-03-29 01:55:33,775 INFO L119 BuchiIsEmpty]: Starting construction of run 17.20/8.06 [2019-03-29 01:55:33,776 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 17.20/8.06 [2019-03-29 01:55:33,776 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.20/8.06 [2019-03-29 01:55:33,776 INFO L794 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 v_ULTIMATE.start_main_~y~0_1)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 115#L17-2 [36] L17-2-->L17: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 112#L17 [43] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_10 (+ v_ULTIMATE.start_main_~y~0_11 (- 1))) (< 0 v_ULTIMATE.start_main_~y~0_11) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 117#L17-2 17.20/8.06 [2019-03-29 01:55:33,776 INFO L796 eck$LassoCheckResult]: Loop: 117#L17-2 [36] L17-2-->L17: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 110#L17 [43] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_10 (+ v_ULTIMATE.start_main_~y~0_11 (- 1))) (< 0 v_ULTIMATE.start_main_~y~0_11) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 117#L17-2 17.20/8.06 [2019-03-29 01:55:33,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.20/8.06 [2019-03-29 01:55:33,777 INFO L82 PathProgramCache]: Analyzing trace with hash 56897, now seen corresponding path program 1 times 17.20/8.06 [2019-03-29 01:55:33,777 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.20/8.06 [2019-03-29 01:55:33,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.20/8.06 [2019-03-29 01:55:33,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:33,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:33,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:33,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.20/8.06 [2019-03-29 01:55:33,792 INFO L82 PathProgramCache]: Analyzing trace with hash 2120, now seen corresponding path program 1 times 17.20/8.06 [2019-03-29 01:55:33,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.20/8.06 [2019-03-29 01:55:33,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.20/8.06 [2019-03-29 01:55:33,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:33,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:33,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:33,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.20/8.06 [2019-03-29 01:55:33,801 INFO L82 PathProgramCache]: Analyzing trace with hash 54679176, now seen corresponding path program 2 times 17.20/8.06 [2019-03-29 01:55:33,801 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.20/8.06 [2019-03-29 01:55:33,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.20/8.06 [2019-03-29 01:55:33,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:33,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:33,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:33,843 INFO L216 LassoAnalysis]: Preferences: 17.20/8.06 [2019-03-29 01:55:33,843 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.20/8.06 [2019-03-29 01:55:33,843 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.20/8.06 [2019-03-29 01:55:33,843 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.20/8.06 [2019-03-29 01:55:33,843 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.20/8.06 [2019-03-29 01:55:33,843 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:33,843 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.20/8.06 [2019-03-29 01:55:33,844 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.20/8.06 [2019-03-29 01:55:33,844 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 17.20/8.06 [2019-03-29 01:55:33,844 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.20/8.06 [2019-03-29 01:55:33,844 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.20/8.06 [2019-03-29 01:55:33,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:33,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:33,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:33,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:33,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:33,933 INFO L300 LassoAnalysis]: Preprocessing complete. 17.20/8.06 [2019-03-29 01:55:33,934 INFO L412 LassoAnalysis]: Checking for nontermination... 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:33,940 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:33,940 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:33,968 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:33,968 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:33,976 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:33,977 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:34,004 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:34,004 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,009 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,010 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,042 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,042 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:34,052 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:34,052 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,082 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,082 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:34,110 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:34,110 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=1} Honda state: {ULTIMATE.start_main_~z~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,115 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,115 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,148 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,148 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:34,178 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.20/8.06 [2019-03-29 01:55:34,181 INFO L216 LassoAnalysis]: Preferences: 17.20/8.06 [2019-03-29 01:55:34,181 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.20/8.06 [2019-03-29 01:55:34,181 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.20/8.06 [2019-03-29 01:55:34,181 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.20/8.06 [2019-03-29 01:55:34,182 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.20/8.06 [2019-03-29 01:55:34,182 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,182 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.20/8.06 [2019-03-29 01:55:34,182 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.20/8.06 [2019-03-29 01:55:34,182 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 17.20/8.06 [2019-03-29 01:55:34,182 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.20/8.06 [2019-03-29 01:55:34,182 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.20/8.06 [2019-03-29 01:55:34,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,283 INFO L300 LassoAnalysis]: Preprocessing complete. 17.20/8.06 [2019-03-29 01:55:34,283 INFO L497 LassoAnalysis]: Using template 'affine'. 17.20/8.06 [2019-03-29 01:55:34,283 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.20/8.06 Termination analysis: LINEAR_WITH_GUESSES 17.20/8.06 Number of strict supporting invariants: 0 17.20/8.06 Number of non-strict supporting invariants: 1 17.20/8.06 Consider only non-deceasing supporting invariants: true 17.20/8.06 Simplify termination arguments: true 17.20/8.06 Simplify supporting invariants: trueOverapproximate stem: false 17.20/8.06 [2019-03-29 01:55:34,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.20/8.06 [2019-03-29 01:55:34,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.20/8.06 [2019-03-29 01:55:34,285 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.20/8.06 [2019-03-29 01:55:34,285 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.20/8.06 [2019-03-29 01:55:34,287 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.20/8.06 [2019-03-29 01:55:34,287 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.20/8.06 [2019-03-29 01:55:34,291 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.20/8.06 [2019-03-29 01:55:34,291 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.20/8.06 Termination analysis: LINEAR_WITH_GUESSES 17.20/8.06 Number of strict supporting invariants: 0 17.20/8.06 Number of non-strict supporting invariants: 1 17.20/8.06 Consider only non-deceasing supporting invariants: true 17.20/8.06 Simplify termination arguments: true 17.20/8.06 Simplify supporting invariants: trueOverapproximate stem: false 17.20/8.06 [2019-03-29 01:55:34,292 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.20/8.06 [2019-03-29 01:55:34,292 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.20/8.06 [2019-03-29 01:55:34,292 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.20/8.06 [2019-03-29 01:55:34,292 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.20/8.06 [2019-03-29 01:55:34,294 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.20/8.06 [2019-03-29 01:55:34,294 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.20/8.06 [2019-03-29 01:55:34,299 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.20/8.06 [2019-03-29 01:55:34,299 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.20/8.06 Termination analysis: LINEAR_WITH_GUESSES 17.20/8.06 Number of strict supporting invariants: 0 17.20/8.06 Number of non-strict supporting invariants: 1 17.20/8.06 Consider only non-deceasing supporting invariants: true 17.20/8.06 Simplify termination arguments: true 17.20/8.06 Simplify supporting invariants: trueOverapproximate stem: false 17.20/8.06 [2019-03-29 01:55:34,300 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.20/8.06 [2019-03-29 01:55:34,300 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.20/8.06 [2019-03-29 01:55:34,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.20/8.06 [2019-03-29 01:55:34,301 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.20/8.06 [2019-03-29 01:55:34,301 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.20/8.06 [2019-03-29 01:55:34,302 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.20/8.06 [2019-03-29 01:55:34,302 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.20/8.06 [2019-03-29 01:55:34,306 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.20/8.06 [2019-03-29 01:55:34,306 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.20/8.06 Termination analysis: LINEAR_WITH_GUESSES 17.20/8.06 Number of strict supporting invariants: 0 17.20/8.06 Number of non-strict supporting invariants: 1 17.20/8.06 Consider only non-deceasing supporting invariants: true 17.20/8.06 Simplify termination arguments: true 17.20/8.06 Simplify supporting invariants: trueOverapproximate stem: false 17.20/8.06 [2019-03-29 01:55:34,307 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.20/8.06 [2019-03-29 01:55:34,307 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.20/8.06 [2019-03-29 01:55:34,307 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.20/8.06 [2019-03-29 01:55:34,307 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.20/8.06 [2019-03-29 01:55:34,307 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.20/8.06 [2019-03-29 01:55:34,308 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.20/8.06 [2019-03-29 01:55:34,308 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.20/8.06 [2019-03-29 01:55:34,309 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.20/8.06 [2019-03-29 01:55:34,309 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.20/8.06 Termination analysis: LINEAR_WITH_GUESSES 17.20/8.06 Number of strict supporting invariants: 0 17.20/8.06 Number of non-strict supporting invariants: 1 17.20/8.06 Consider only non-deceasing supporting invariants: true 17.20/8.06 Simplify termination arguments: true 17.20/8.06 Simplify supporting invariants: trueOverapproximate stem: false 17.20/8.06 [2019-03-29 01:55:34,310 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.20/8.06 [2019-03-29 01:55:34,310 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.20/8.06 [2019-03-29 01:55:34,310 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.20/8.06 [2019-03-29 01:55:34,310 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.20/8.06 [2019-03-29 01:55:34,310 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.20/8.06 [2019-03-29 01:55:34,311 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.20/8.06 [2019-03-29 01:55:34,311 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.20/8.06 [2019-03-29 01:55:34,315 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.20/8.06 [2019-03-29 01:55:34,318 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.20/8.06 [2019-03-29 01:55:34,318 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 17.20/8.06 [2019-03-29 01:55:34,318 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.20/8.06 [2019-03-29 01:55:34,318 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.20/8.06 [2019-03-29 01:55:34,319 INFO L518 LassoAnalysis]: Proved termination. 17.20/8.06 [2019-03-29 01:55:34,319 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.20/8.06 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 17.20/8.06 Supporting invariants [] 17.20/8.06 [2019-03-29 01:55:34,319 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.20/8.06 [2019-03-29 01:55:34,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.20/8.06 [2019-03-29 01:55:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.20/8.06 [2019-03-29 01:55:34,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core 17.20/8.06 [2019-03-29 01:55:34,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.20/8.06 [2019-03-29 01:55:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.20/8.06 [2019-03-29 01:55:34,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core 17.20/8.06 [2019-03-29 01:55:34,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.20/8.06 [2019-03-29 01:55:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.20/8.06 [2019-03-29 01:55:34,371 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 17.20/8.06 [2019-03-29 01:55:34,372 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 17.20/8.06 [2019-03-29 01:55:34,372 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 9 states and 13 transitions. cyclomatic complexity: 6 Second operand 3 states. 17.20/8.06 [2019-03-29 01:55:34,392 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 9 states and 13 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 20 states and 31 transitions. Complement of second has 12 states. 17.20/8.06 [2019-03-29 01:55:34,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states 17.20/8.06 [2019-03-29 01:55:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.20/8.06 [2019-03-29 01:55:34,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. 17.20/8.06 [2019-03-29 01:55:34,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 2 letters. 17.20/8.06 [2019-03-29 01:55:34,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.20/8.06 [2019-03-29 01:55:34,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 5 letters. Loop has 2 letters. 17.20/8.06 [2019-03-29 01:55:34,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.20/8.06 [2019-03-29 01:55:34,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 4 letters. 17.20/8.06 [2019-03-29 01:55:34,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.20/8.06 [2019-03-29 01:55:34,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 31 transitions. 17.20/8.06 [2019-03-29 01:55:34,397 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 17.20/8.06 [2019-03-29 01:55:34,398 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 11 states and 16 transitions. 17.20/8.06 [2019-03-29 01:55:34,398 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 17.20/8.06 [2019-03-29 01:55:34,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 17.20/8.06 [2019-03-29 01:55:34,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. 17.20/8.06 [2019-03-29 01:55:34,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.20/8.06 [2019-03-29 01:55:34,399 INFO L706 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. 17.20/8.06 [2019-03-29 01:55:34,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. 17.20/8.06 [2019-03-29 01:55:34,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. 17.20/8.06 [2019-03-29 01:55:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 17.20/8.06 [2019-03-29 01:55:34,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. 17.20/8.06 [2019-03-29 01:55:34,401 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. 17.20/8.06 [2019-03-29 01:55:34,401 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. 17.20/8.06 [2019-03-29 01:55:34,401 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 17.20/8.06 [2019-03-29 01:55:34,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. 17.20/8.06 [2019-03-29 01:55:34,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 17.20/8.06 [2019-03-29 01:55:34,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.20/8.06 [2019-03-29 01:55:34,402 INFO L119 BuchiIsEmpty]: Starting construction of run 17.20/8.06 [2019-03-29 01:55:34,402 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 17.20/8.06 [2019-03-29 01:55:34,402 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 17.20/8.06 [2019-03-29 01:55:34,402 INFO L794 eck$LassoCheckResult]: Stem: 188#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 v_ULTIMATE.start_main_~y~0_1)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 189#L17-2 [36] L17-2-->L17: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 186#L17 [43] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_10 (+ v_ULTIMATE.start_main_~y~0_11 (- 1))) (< 0 v_ULTIMATE.start_main_~y~0_11) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 190#L17-2 17.20/8.06 [2019-03-29 01:55:34,403 INFO L796 eck$LassoCheckResult]: Loop: 190#L17-2 [35] L17-2-->L17: Formula: (and (= 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} AuxVars[] AssignedVars[] 193#L17 [29] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~res~0_6 (+ v_ULTIMATE.start_main_~res~0_7 1)) (= 0 v_ULTIMATE.start_main_~y~0_9) (= v_ULTIMATE.start_main_~y~0_8 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_6, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~y~0] 183#L17-2 [36] L17-2-->L17: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 184#L17 [43] L17-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_10 (+ v_ULTIMATE.start_main_~y~0_11 (- 1))) (< 0 v_ULTIMATE.start_main_~y~0_11) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 190#L17-2 17.20/8.06 [2019-03-29 01:55:34,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.20/8.06 [2019-03-29 01:55:34,403 INFO L82 PathProgramCache]: Analyzing trace with hash 56897, now seen corresponding path program 3 times 17.20/8.06 [2019-03-29 01:55:34,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.20/8.06 [2019-03-29 01:55:34,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.20/8.06 [2019-03-29 01:55:34,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:34,405 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:34,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:34,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.20/8.06 [2019-03-29 01:55:34,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1995234, now seen corresponding path program 1 times 17.20/8.06 [2019-03-29 01:55:34,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.20/8.06 [2019-03-29 01:55:34,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.20/8.06 [2019-03-29 01:55:34,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:34,415 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:34,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:34,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.20/8.06 [2019-03-29 01:55:34,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1007038498, now seen corresponding path program 1 times 17.20/8.06 [2019-03-29 01:55:34,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.20/8.06 [2019-03-29 01:55:34,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.20/8.06 [2019-03-29 01:55:34,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:34,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:34,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.20/8.06 [2019-03-29 01:55:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.20/8.06 [2019-03-29 01:55:34,478 INFO L216 LassoAnalysis]: Preferences: 17.20/8.06 [2019-03-29 01:55:34,478 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.20/8.06 [2019-03-29 01:55:34,478 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.20/8.06 [2019-03-29 01:55:34,478 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.20/8.06 [2019-03-29 01:55:34,479 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.20/8.06 [2019-03-29 01:55:34,479 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,479 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.20/8.06 [2019-03-29 01:55:34,479 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.20/8.06 [2019-03-29 01:55:34,479 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop 17.20/8.06 [2019-03-29 01:55:34,479 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.20/8.06 [2019-03-29 01:55:34,479 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.20/8.06 [2019-03-29 01:55:34,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,601 INFO L300 LassoAnalysis]: Preprocessing complete. 17.20/8.06 [2019-03-29 01:55:34,601 INFO L412 LassoAnalysis]: Checking for nontermination... 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,605 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,605 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,635 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,635 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:34,645 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:34,645 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=1} Honda state: {ULTIMATE.start_main_~x~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~x~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,671 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,672 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:34,698 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:34,698 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,702 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,703 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:34,707 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:34,707 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=1} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,735 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,735 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:34,761 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:34,762 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,765 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,766 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,795 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,795 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:34,812 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:34,812 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0=0} Honda state: {ULTIMATE.start_main_~res~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0=7}, {ULTIMATE.start_main_~res~0=-7}, {ULTIMATE.start_main_~res~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] 17.20/8.06 [2019-03-29 01:55:34,874 INFO L216 LassoAnalysis]: Preferences: 17.20/8.06 [2019-03-29 01:55:34,874 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.20/8.06 [2019-03-29 01:55:34,874 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.20/8.06 [2019-03-29 01:55:34,874 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.20/8.06 [2019-03-29 01:55:34,874 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.20/8.06 [2019-03-29 01:55:34,874 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,875 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.20/8.06 [2019-03-29 01:55:34,875 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.20/8.06 [2019-03-29 01:55:34,875 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Lasso 17.20/8.06 [2019-03-29 01:55:34,875 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.20/8.06 [2019-03-29 01:55:34,875 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.20/8.06 [2019-03-29 01:55:34,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.20/8.06 [2019-03-29 01:55:34,984 INFO L300 LassoAnalysis]: Preprocessing complete. 17.20/8.06 [2019-03-29 01:55:34,985 INFO L412 LassoAnalysis]: Checking for nontermination... 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:34,988 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:34,988 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:35,019 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:35,019 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:35,038 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:35,038 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0=0} Honda state: {ULTIMATE.start_main_~res~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0=7}, {ULTIMATE.start_main_~res~0=-7}, {ULTIMATE.start_main_~res~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:35,065 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:35,065 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:35,068 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:35,068 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:35,096 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:35,096 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:35,127 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:35,127 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:35,137 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:35,137 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~x~0=17} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~x~0=1}] Lambdas: [0, 0, 1] Nus: [0, 0] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:35,164 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:35,165 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:35,168 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:35,168 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:35,195 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:35,195 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:35,198 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:35,199 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:35,225 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:35,225 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:35,251 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:35,252 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_6=0} Honda state: {v_rep~unnamed0~0~false_6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:35,255 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:35,255 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:35,260 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:35,261 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.20/8.06 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.20/8.06 Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.20/8.06 [2019-03-29 01:55:35,288 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.20/8.06 [2019-03-29 01:55:35,289 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.20/8.06 [2019-03-29 01:55:35,315 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.20/8.06 [2019-03-29 01:55:35,316 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_6=1} Honda state: {v_rep~unnamed0~0~true_6=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.20/8.06 [2019-03-29 01:55:35,325 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,326 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,327 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,327 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,327 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,328 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,328 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,329 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,329 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,329 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:55:35 BasicIcfg 17.20/8.06 [2019-03-29 01:55:35,342 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.20/8.06 [2019-03-29 01:55:35,342 INFO L168 Benchmark]: Toolchain (without parser) took 3644.28 ms. Allocated memory was 649.6 MB in the beginning and 756.5 MB in the end (delta: 107.0 MB). Free memory was 558.2 MB in the beginning and 605.5 MB in the end (delta: -47.4 MB). Peak memory consumption was 219.5 MB. Max. memory is 50.3 GB. 17.20/8.06 [2019-03-29 01:55:35,344 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.20/8.06 [2019-03-29 01:55:35,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.36 ms. Allocated memory is still 649.6 MB. Free memory was 558.2 MB in the beginning and 548.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 17.20/8.06 [2019-03-29 01:55:35,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.49 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 548.5 MB in the beginning and 648.3 MB in the end (delta: -99.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 17.20/8.06 [2019-03-29 01:55:35,345 INFO L168 Benchmark]: Boogie Preprocessor took 19.54 ms. Allocated memory is still 681.6 MB. Free memory was 648.3 MB in the beginning and 647.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 17.20/8.06 [2019-03-29 01:55:35,346 INFO L168 Benchmark]: RCFGBuilder took 197.31 ms. Allocated memory is still 681.6 MB. Free memory was 647.2 MB in the beginning and 632.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 50.3 GB. 17.20/8.06 [2019-03-29 01:55:35,346 INFO L168 Benchmark]: BlockEncodingV2 took 79.38 ms. Allocated memory is still 681.6 MB. Free memory was 632.0 MB in the beginning and 626.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.20/8.06 [2019-03-29 01:55:35,347 INFO L168 Benchmark]: TraceAbstraction took 152.59 ms. Allocated memory is still 681.6 MB. Free memory was 626.6 MB in the beginning and 618.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 17.20/8.06 [2019-03-29 01:55:35,348 INFO L168 Benchmark]: BuchiAutomizer took 2863.42 ms. Allocated memory was 681.6 MB in the beginning and 756.5 MB in the end (delta: 75.0 MB). Free memory was 618.0 MB in the beginning and 605.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 247.3 MB. Max. memory is 50.3 GB. 17.20/8.06 [2019-03-29 01:55:35,352 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.20/8.06 --- Results --- 17.20/8.06 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.20/8.06 - StatisticsResult: Initial Icfg 17.20/8.06 7 locations, 9 edges 17.20/8.06 - StatisticsResult: Encoded RCFG 17.20/8.06 3 locations, 6 edges 17.20/8.06 * Results from de.uni_freiburg.informatik.ultimate.core: 17.20/8.06 - StatisticsResult: Toolchain Benchmarks 17.20/8.06 Benchmark results are: 17.20/8.06 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.20/8.06 * CACSL2BoogieTranslator took 234.36 ms. Allocated memory is still 649.6 MB. Free memory was 558.2 MB in the beginning and 548.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 17.20/8.06 * Boogie Procedure Inliner took 92.49 ms. Allocated memory was 649.6 MB in the beginning and 681.6 MB in the end (delta: 32.0 MB). Free memory was 548.5 MB in the beginning and 648.3 MB in the end (delta: -99.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 17.20/8.06 * Boogie Preprocessor took 19.54 ms. Allocated memory is still 681.6 MB. Free memory was 648.3 MB in the beginning and 647.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 17.20/8.06 * RCFGBuilder took 197.31 ms. Allocated memory is still 681.6 MB. Free memory was 647.2 MB in the beginning and 632.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 50.3 GB. 17.20/8.06 * BlockEncodingV2 took 79.38 ms. Allocated memory is still 681.6 MB. Free memory was 632.0 MB in the beginning and 626.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.20/8.06 * TraceAbstraction took 152.59 ms. Allocated memory is still 681.6 MB. Free memory was 626.6 MB in the beginning and 618.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 17.20/8.06 * BuchiAutomizer took 2863.42 ms. Allocated memory was 681.6 MB in the beginning and 756.5 MB in the end (delta: 75.0 MB). Free memory was 618.0 MB in the beginning and 605.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 247.3 MB. Max. memory is 50.3 GB. 17.20/8.06 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 17.20/8.06 - GenericResult: Unfinished Backtranslation 17.20/8.06 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 - GenericResult: Unfinished Backtranslation 17.20/8.06 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 - GenericResult: Unfinished Backtranslation 17.20/8.06 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 - GenericResult: Unfinished Backtranslation 17.20/8.06 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 - GenericResult: Unfinished Backtranslation 17.20/8.06 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 - GenericResult: Unfinished Backtranslation 17.20/8.06 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 - GenericResult: Unfinished Backtranslation 17.20/8.06 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 - GenericResult: Unfinished Backtranslation 17.20/8.06 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 - GenericResult: Unfinished Backtranslation 17.20/8.06 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 - GenericResult: Unfinished Backtranslation 17.20/8.06 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.20/8.06 - AllSpecificationsHoldResult: All specifications hold 17.20/8.06 We were not able to verify any specifiation because the program does not contain any specification. 17.20/8.06 - InvariantResult [Line: 15]: Loop Invariant 17.20/8.06 Derived loop invariant: 1 17.20/8.06 - StatisticsResult: Ultimate Automizer benchmark data 17.20/8.06 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 17.20/8.06 - StatisticsResult: Constructed decomposition of program 17.20/8.06 Your program was decomposed into 5 terminating modules (3 trivial, 0 deterministic, 2 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -2 * y + 1 and consists of 6 locations. One nondeterministic module has affine ranking function y and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 11 locations. 17.20/8.06 - StatisticsResult: Timing statistics 17.20/8.06 BüchiAutomizer plugin needed 2.8s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 19 SDslu, 0 SDs, 0 SdLazy, 63 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax156 hnf100 lsp35 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf91 smp100 dnf100 smp100 tf109 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 14 LassoNonterminationAnalysisSatUnbounded: 6 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s 17.20/8.06 - TerminationAnalysisResult: Nontermination possible 17.20/8.06 Buchi Automizer proved that your program is nonterminating for some inputs 17.20/8.06 - GeometricNonTerminationArgumentResult [Line: 15]: Nontermination argument in form of an infinite program execution. 17.20/8.06 [2019-03-29 01:55:35,361 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,361 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,361 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,362 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,362 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,362 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,363 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,363 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,364 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,364 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,364 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,365 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,365 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,365 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,366 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,366 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 [2019-03-29 01:55:35,367 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 17.20/8.06 [2019-03-29 01:55:35,368 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 17.20/8.06 Nontermination argument in form of an infinite execution 17.20/8.06 {|ULTIMATE.start_main_#t~nondet0|=0, |ULTIMATE.start_main_#t~nondet1|=0, ULTIMATE.start_main_~res~0=0, |ULTIMATE.start_main_#res|=0, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0} 17.20/8.06 {res=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bb42766=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58acc3ae=0, z=1, x=17, ~unnamed0~0~false=0, y=0} 17.20/8.06 {res=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bb42766=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58acc3ae=0, z=1, x=18, ~unnamed0~0~false=0, y=0} 17.20/8.06 {res=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bb42766=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58acc3ae=0, z=1, x=19, ~unnamed0~0~false=0, y=0} 17.20/8.06 {res=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bb42766=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58acc3ae=0, z=1, x=20, ~unnamed0~0~false=0, y=0} 17.20/8.06 {res=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bb42766=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58acc3ae=0, z=1, x=21, ~unnamed0~0~false=0, y=0} 17.20/8.06 - StatisticsResult: NonterminationArgumentStatistics 17.20/8.06 Unbounded Execution 4GEVs Lambdas: [2, 1, 1, 0, 0, 1] Mus: [1, 0, 0, 0, 0] 17.20/8.06 - NonterminatingLassoResult [Line: 15]: Nonterminating execution 17.20/8.06 Found a nonterminating execution for the following lasso shaped sequence of statements. 17.20/8.06 Stem: 17.20/8.06 [L6] int x; 17.20/8.06 [L7] int y; 17.20/8.06 [L8] int z; 17.20/8.06 [L9] int res; 17.20/8.06 [L10] x = __VERIFIER_nondet_int() 17.20/8.06 [L11] y = __VERIFIER_nondet_int() 17.20/8.06 [L12] z = y 17.20/8.06 [L13] res = 0 17.20/8.06 [L15] COND TRUE z > 0 && (y == 0 || y > 0 && x > 0) 17.20/8.06 [L17] COND FALSE !(y == 0) 17.20/8.06 [L22] x = x + 1 17.20/8.06 [L23] y = y - 1 17.20/8.06 Loop: 17.20/8.06 [L15] COND TRUE z > 0 && (y == 0 || y > 0 && x > 0) 17.20/8.06 [L17] COND TRUE y == 0 17.20/8.06 [L18] res = res + 1 17.20/8.06 [L19] y = z 17.20/8.06 [L15] COND TRUE z > 0 && (y == 0 || y > 0 && x > 0) 17.20/8.06 [L17] COND FALSE !(y == 0) 17.20/8.06 [L22] x = x + 1 17.20/8.06 [L23] y = y - 1 17.20/8.06 End of lasso representation. 17.20/8.06 RESULT: Ultimate proved your program to be incorrect! 17.20/8.06 !SESSION 2019-03-29 01:55:28.437 ----------------------------------------------- 17.20/8.06 eclipse.buildId=unknown 17.20/8.06 java.version=1.8.0_181 17.20/8.06 java.vendor=Oracle Corporation 17.20/8.06 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.20/8.06 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.20/8.06 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.20/8.06 17.20/8.06 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:55:35.602 17.20/8.06 !MESSAGE The workspace will exit with unsaved changes in this session. 17.20/8.06 Received shutdown request... 17.20/8.06 Ultimate: 17.20/8.06 GTK+ Version Check 17.20/8.06 EOF