16.69/7.78 YES 16.69/7.78 16.69/7.78 Ultimate: Cannot open display: 16.69/7.78 This is Ultimate 0.1.24-8dc7c08-m 16.69/7.78 [2019-03-29 02:07:17,715 INFO L170 SettingsManager]: Resetting all preferences to default values... 16.69/7.78 [2019-03-29 02:07:17,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 16.69/7.78 [2019-03-29 02:07:17,729 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 16.69/7.78 [2019-03-29 02:07:17,729 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 16.69/7.78 [2019-03-29 02:07:17,730 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 16.69/7.78 [2019-03-29 02:07:17,731 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 16.69/7.78 [2019-03-29 02:07:17,733 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 16.69/7.78 [2019-03-29 02:07:17,734 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 16.69/7.78 [2019-03-29 02:07:17,735 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 16.69/7.78 [2019-03-29 02:07:17,736 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 16.69/7.78 [2019-03-29 02:07:17,736 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 16.69/7.78 [2019-03-29 02:07:17,737 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 16.69/7.78 [2019-03-29 02:07:17,738 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 16.69/7.78 [2019-03-29 02:07:17,739 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 16.69/7.78 [2019-03-29 02:07:17,739 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 16.69/7.78 [2019-03-29 02:07:17,740 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 16.69/7.78 [2019-03-29 02:07:17,742 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 16.69/7.78 [2019-03-29 02:07:17,744 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 16.69/7.78 [2019-03-29 02:07:17,745 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 16.69/7.78 [2019-03-29 02:07:17,746 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 16.69/7.78 [2019-03-29 02:07:17,747 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 16.69/7.78 [2019-03-29 02:07:17,749 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 16.69/7.78 [2019-03-29 02:07:17,750 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 16.69/7.78 [2019-03-29 02:07:17,750 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 16.69/7.78 [2019-03-29 02:07:17,751 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 16.69/7.78 [2019-03-29 02:07:17,751 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 16.69/7.78 [2019-03-29 02:07:17,752 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 16.69/7.78 [2019-03-29 02:07:17,752 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 16.69/7.78 [2019-03-29 02:07:17,753 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 16.69/7.78 [2019-03-29 02:07:17,754 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 16.69/7.78 [2019-03-29 02:07:17,754 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 16.69/7.78 [2019-03-29 02:07:17,755 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 16.69/7.78 [2019-03-29 02:07:17,755 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 16.69/7.78 [2019-03-29 02:07:17,756 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 16.69/7.78 [2019-03-29 02:07:17,756 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 16.69/7.78 [2019-03-29 02:07:17,756 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 16.69/7.78 [2019-03-29 02:07:17,757 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 16.69/7.78 [2019-03-29 02:07:17,758 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 16.69/7.78 [2019-03-29 02:07:17,758 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 16.69/7.78 [2019-03-29 02:07:17,773 INFO L110 SettingsManager]: Loading preferences was successful 16.69/7.78 [2019-03-29 02:07:17,773 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 16.69/7.78 [2019-03-29 02:07:17,774 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 16.69/7.78 [2019-03-29 02:07:17,774 INFO L133 SettingsManager]: * Rewrite not-equals=true 16.69/7.78 [2019-03-29 02:07:17,775 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 16.69/7.78 [2019-03-29 02:07:17,775 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 16.69/7.78 [2019-03-29 02:07:17,775 INFO L133 SettingsManager]: * Use SBE=true 16.69/7.78 [2019-03-29 02:07:17,775 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 16.69/7.78 [2019-03-29 02:07:17,775 INFO L133 SettingsManager]: * Use old map elimination=false 16.69/7.78 [2019-03-29 02:07:17,775 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 16.69/7.78 [2019-03-29 02:07:17,776 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 16.69/7.78 [2019-03-29 02:07:17,776 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 16.69/7.78 [2019-03-29 02:07:17,776 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 16.69/7.78 [2019-03-29 02:07:17,776 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 16.69/7.78 [2019-03-29 02:07:17,776 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.69/7.78 [2019-03-29 02:07:17,776 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 16.69/7.78 [2019-03-29 02:07:17,777 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 16.69/7.78 [2019-03-29 02:07:17,777 INFO L133 SettingsManager]: * Check division by zero=IGNORE 16.69/7.78 [2019-03-29 02:07:17,777 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 16.69/7.78 [2019-03-29 02:07:17,777 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 16.69/7.78 [2019-03-29 02:07:17,777 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 16.69/7.78 [2019-03-29 02:07:17,778 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 16.69/7.78 [2019-03-29 02:07:17,778 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 16.69/7.78 [2019-03-29 02:07:17,778 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 16.69/7.78 [2019-03-29 02:07:17,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.69/7.78 [2019-03-29 02:07:17,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 16.69/7.78 [2019-03-29 02:07:17,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 16.69/7.78 [2019-03-29 02:07:17,779 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 16.69/7.78 [2019-03-29 02:07:17,779 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 16.69/7.78 [2019-03-29 02:07:17,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 16.69/7.78 [2019-03-29 02:07:17,817 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 16.69/7.78 [2019-03-29 02:07:17,820 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 16.69/7.78 [2019-03-29 02:07:17,822 INFO L271 PluginConnector]: Initializing CDTParser... 16.69/7.78 [2019-03-29 02:07:17,822 INFO L276 PluginConnector]: CDTParser initialized 16.69/7.78 [2019-03-29 02:07:17,823 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 16.69/7.78 [2019-03-29 02:07:17,892 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/744e034b16d448de849e8d6fa17f3481/FLAG83dc47f5d 16.69/7.78 [2019-03-29 02:07:18,236 INFO L307 CDTParser]: Found 1 translation units. 16.69/7.78 [2019-03-29 02:07:18,236 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 16.69/7.78 [2019-03-29 02:07:18,243 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/744e034b16d448de849e8d6fa17f3481/FLAG83dc47f5d 16.69/7.78 [2019-03-29 02:07:18,631 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/744e034b16d448de849e8d6fa17f3481 16.69/7.78 [2019-03-29 02:07:18,643 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 16.69/7.78 [2019-03-29 02:07:18,644 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 16.69/7.78 [2019-03-29 02:07:18,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 16.69/7.78 [2019-03-29 02:07:18,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 16.69/7.78 [2019-03-29 02:07:18,649 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 16.69/7.78 [2019-03-29 02:07:18,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:07:18" (1/1) ... 16.69/7.78 [2019-03-29 02:07:18,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3027ca8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18, skipping insertion in model container 16.69/7.78 [2019-03-29 02:07:18,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:07:18" (1/1) ... 16.69/7.78 [2019-03-29 02:07:18,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 16.69/7.78 [2019-03-29 02:07:18,679 INFO L176 MainTranslator]: Built tables and reachable declarations 16.69/7.78 [2019-03-29 02:07:18,837 INFO L206 PostProcessor]: Analyzing one entry point: main 16.69/7.78 [2019-03-29 02:07:18,842 INFO L191 MainTranslator]: Completed pre-run 16.69/7.78 [2019-03-29 02:07:18,860 INFO L206 PostProcessor]: Analyzing one entry point: main 16.69/7.78 [2019-03-29 02:07:18,875 INFO L195 MainTranslator]: Completed translation 16.69/7.78 [2019-03-29 02:07:18,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18 WrapperNode 16.69/7.78 [2019-03-29 02:07:18,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 16.69/7.78 [2019-03-29 02:07:18,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 16.69/7.78 [2019-03-29 02:07:18,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 16.69/7.78 [2019-03-29 02:07:18,876 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 16.69/7.78 [2019-03-29 02:07:18,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (1/1) ... 16.69/7.78 [2019-03-29 02:07:18,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (1/1) ... 16.69/7.78 [2019-03-29 02:07:18,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 16.69/7.78 [2019-03-29 02:07:18,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 16.69/7.78 [2019-03-29 02:07:18,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 16.69/7.78 [2019-03-29 02:07:18,976 INFO L276 PluginConnector]: Boogie Preprocessor initialized 16.69/7.78 [2019-03-29 02:07:18,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (1/1) ... 16.69/7.78 [2019-03-29 02:07:18,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (1/1) ... 16.69/7.78 [2019-03-29 02:07:18,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (1/1) ... 16.69/7.78 [2019-03-29 02:07:18,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (1/1) ... 16.69/7.78 [2019-03-29 02:07:18,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (1/1) ... 16.69/7.78 [2019-03-29 02:07:18,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (1/1) ... 16.69/7.78 [2019-03-29 02:07:18,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (1/1) ... 16.69/7.78 [2019-03-29 02:07:18,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 16.69/7.78 [2019-03-29 02:07:18,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 16.69/7.78 [2019-03-29 02:07:18,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... 16.69/7.78 [2019-03-29 02:07:18,998 INFO L276 PluginConnector]: RCFGBuilder initialized 16.69/7.78 [2019-03-29 02:07:18,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (1/1) ... 16.69/7.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.69/7.78 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 16.69/7.78 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 16.69/7.78 [2019-03-29 02:07:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 16.69/7.78 [2019-03-29 02:07:19,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 16.69/7.78 [2019-03-29 02:07:19,215 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 16.69/7.78 [2019-03-29 02:07:19,216 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 16.69/7.78 [2019-03-29 02:07:19,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:07:19 BoogieIcfgContainer 16.69/7.78 [2019-03-29 02:07:19,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 16.69/7.78 [2019-03-29 02:07:19,218 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 16.69/7.78 [2019-03-29 02:07:19,218 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 16.69/7.78 [2019-03-29 02:07:19,220 INFO L276 PluginConnector]: BlockEncodingV2 initialized 16.69/7.78 [2019-03-29 02:07:19,221 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:07:19" (1/1) ... 16.69/7.78 [2019-03-29 02:07:19,237 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 13 edges 16.69/7.78 [2019-03-29 02:07:19,239 INFO L258 BlockEncoder]: Using Remove infeasible edges 16.69/7.78 [2019-03-29 02:07:19,240 INFO L263 BlockEncoder]: Using Maximize final states 16.69/7.78 [2019-03-29 02:07:19,240 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 16.69/7.78 [2019-03-29 02:07:19,241 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 16.69/7.78 [2019-03-29 02:07:19,242 INFO L296 BlockEncoder]: Using Remove sink states 16.69/7.78 [2019-03-29 02:07:19,244 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 16.69/7.78 [2019-03-29 02:07:19,244 INFO L179 BlockEncoder]: Using Rewrite not-equals 16.69/7.78 [2019-03-29 02:07:19,260 INFO L185 BlockEncoder]: Using Use SBE 16.69/7.78 [2019-03-29 02:07:19,277 INFO L200 BlockEncoder]: SBE split 2 edges 16.69/7.78 [2019-03-29 02:07:19,282 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility 16.69/7.78 [2019-03-29 02:07:19,284 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.69/7.78 [2019-03-29 02:07:19,296 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 16.69/7.78 [2019-03-29 02:07:19,299 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 16.69/7.78 [2019-03-29 02:07:19,300 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 16.69/7.78 [2019-03-29 02:07:19,301 INFO L71 MaximizeFinalStates]: 0 new accepting states 16.69/7.78 [2019-03-29 02:07:19,301 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 16.69/7.78 [2019-03-29 02:07:19,301 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 16.69/7.78 [2019-03-29 02:07:19,302 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 8 edges 16.69/7.78 [2019-03-29 02:07:19,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:07:19 BasicIcfg 16.69/7.78 [2019-03-29 02:07:19,302 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 16.69/7.78 [2019-03-29 02:07:19,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 16.69/7.78 [2019-03-29 02:07:19,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... 16.69/7.78 [2019-03-29 02:07:19,307 INFO L276 PluginConnector]: TraceAbstraction initialized 16.69/7.78 [2019-03-29 02:07:19,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:07:18" (1/4) ... 16.69/7.78 [2019-03-29 02:07:19,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a25c74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:07:19, skipping insertion in model container 16.69/7.78 [2019-03-29 02:07:19,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (2/4) ... 16.69/7.78 [2019-03-29 02:07:19,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a25c74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:07:19, skipping insertion in model container 16.69/7.78 [2019-03-29 02:07:19,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:07:19" (3/4) ... 16.69/7.78 [2019-03-29 02:07:19,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a25c74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:07:19, skipping insertion in model container 16.69/7.78 [2019-03-29 02:07:19,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:07:19" (4/4) ... 16.69/7.78 [2019-03-29 02:07:19,312 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.69/7.78 [2019-03-29 02:07:19,322 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 16.69/7.78 [2019-03-29 02:07:19,331 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 16.69/7.78 [2019-03-29 02:07:19,349 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 16.69/7.78 [2019-03-29 02:07:19,377 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.69/7.78 [2019-03-29 02:07:19,378 INFO L382 AbstractCegarLoop]: Interprodecural is true 16.69/7.78 [2019-03-29 02:07:19,378 INFO L383 AbstractCegarLoop]: Hoare is true 16.69/7.78 [2019-03-29 02:07:19,379 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 16.69/7.78 [2019-03-29 02:07:19,379 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 16.69/7.78 [2019-03-29 02:07:19,379 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.69/7.78 [2019-03-29 02:07:19,379 INFO L387 AbstractCegarLoop]: Difference is false 16.69/7.78 [2019-03-29 02:07:19,379 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 16.69/7.78 [2019-03-29 02:07:19,379 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 16.69/7.78 [2019-03-29 02:07:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 16.69/7.78 [2019-03-29 02:07:19,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 16.69/7.78 [2019-03-29 02:07:19,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 16.69/7.78 [2019-03-29 02:07:19,458 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 16.69/7.78 [2019-03-29 02:07:19,458 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 16) the Hoare annotation is: true 16.69/7.78 [2019-03-29 02:07:19,459 INFO L451 ceAbstractionStarter]: At program point L21-2(lines 21 24) the Hoare annotation is: true 16.69/7.78 [2019-03-29 02:07:19,459 INFO L448 ceAbstractionStarter]: For program point L21-3(lines 5 28) no Hoare annotation was computed. 16.69/7.78 [2019-03-29 02:07:19,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:07:19 BasicIcfg 16.69/7.78 [2019-03-29 02:07:19,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 16.69/7.78 [2019-03-29 02:07:19,468 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 16.69/7.78 [2019-03-29 02:07:19,468 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 16.69/7.78 [2019-03-29 02:07:19,472 INFO L276 PluginConnector]: BuchiAutomizer initialized 16.69/7.78 [2019-03-29 02:07:19,473 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.69/7.78 [2019-03-29 02:07:19,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:07:18" (1/5) ... 16.69/7.78 [2019-03-29 02:07:19,473 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@159b9476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:07:19, skipping insertion in model container 16.69/7.78 [2019-03-29 02:07:19,474 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.69/7.78 [2019-03-29 02:07:19,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:07:18" (2/5) ... 16.69/7.78 [2019-03-29 02:07:19,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@159b9476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:07:19, skipping insertion in model container 16.69/7.78 [2019-03-29 02:07:19,474 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.69/7.78 [2019-03-29 02:07:19,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:07:19" (3/5) ... 16.69/7.78 [2019-03-29 02:07:19,475 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@159b9476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:07:19, skipping insertion in model container 16.69/7.78 [2019-03-29 02:07:19,475 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.69/7.78 [2019-03-29 02:07:19,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:07:19" (4/5) ... 16.69/7.78 [2019-03-29 02:07:19,475 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@159b9476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:07:19, skipping insertion in model container 16.69/7.78 [2019-03-29 02:07:19,476 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 16.69/7.78 [2019-03-29 02:07:19,476 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:07:19" (5/5) ... 16.69/7.78 [2019-03-29 02:07:19,477 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 16.69/7.78 [2019-03-29 02:07:19,503 INFO L133 ementStrategyFactory]: Using default assertion order modulation 16.69/7.78 [2019-03-29 02:07:19,503 INFO L374 BuchiCegarLoop]: Interprodecural is true 16.69/7.78 [2019-03-29 02:07:19,504 INFO L375 BuchiCegarLoop]: Hoare is true 16.69/7.78 [2019-03-29 02:07:19,504 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 16.69/7.78 [2019-03-29 02:07:19,504 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 16.69/7.78 [2019-03-29 02:07:19,504 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 16.69/7.78 [2019-03-29 02:07:19,504 INFO L379 BuchiCegarLoop]: Difference is false 16.69/7.78 [2019-03-29 02:07:19,504 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 16.69/7.78 [2019-03-29 02:07:19,504 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 16.69/7.78 [2019-03-29 02:07:19,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.69/7.78 [2019-03-29 02:07:19,525 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 16.69/7.78 [2019-03-29 02:07:19,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.69/7.78 [2019-03-29 02:07:19,526 INFO L119 BuchiIsEmpty]: Starting construction of run 16.69/7.78 [2019-03-29 02:07:19,531 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.69/7.78 [2019-03-29 02:07:19,531 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 16.69/7.78 [2019-03-29 02:07:19,531 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 16.69/7.78 [2019-03-29 02:07:19,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 16.69/7.78 [2019-03-29 02:07:19,532 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 16.69/7.78 [2019-03-29 02:07:19,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.69/7.78 [2019-03-29 02:07:19,533 INFO L119 BuchiIsEmpty]: Starting construction of run 16.69/7.78 [2019-03-29 02:07:19,533 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 16.69/7.78 [2019-03-29 02:07:19,533 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 16.69/7.78 [2019-03-29 02:07:19,538 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [41] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L13-2true 16.69/7.78 [2019-03-29 02:07:19,539 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-2true [44] L13-2-->L13-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (< 0 v_ULTIMATE.start_main_~x~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L13-2true 16.69/7.78 [2019-03-29 02:07:19,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.69/7.78 [2019-03-29 02:07:19,545 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times 16.69/7.78 [2019-03-29 02:07:19,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.69/7.78 [2019-03-29 02:07:19,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.69/7.78 [2019-03-29 02:07:19,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.69/7.78 [2019-03-29 02:07:19,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.69/7.78 [2019-03-29 02:07:19,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.69/7.78 [2019-03-29 02:07:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.69/7.78 [2019-03-29 02:07:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.69/7.78 [2019-03-29 02:07:19,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.69/7.78 [2019-03-29 02:07:19,616 INFO L82 PathProgramCache]: Analyzing trace with hash 75, now seen corresponding path program 1 times 16.69/7.78 [2019-03-29 02:07:19,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.69/7.78 [2019-03-29 02:07:19,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.69/7.78 [2019-03-29 02:07:19,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.69/7.78 [2019-03-29 02:07:19,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.69/7.78 [2019-03-29 02:07:19,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.69/7.78 [2019-03-29 02:07:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.69/7.78 [2019-03-29 02:07:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.69/7.78 [2019-03-29 02:07:19,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.69/7.78 [2019-03-29 02:07:19,630 INFO L82 PathProgramCache]: Analyzing trace with hash 2276, now seen corresponding path program 1 times 16.69/7.78 [2019-03-29 02:07:19,630 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.69/7.78 [2019-03-29 02:07:19,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.69/7.78 [2019-03-29 02:07:19,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.69/7.78 [2019-03-29 02:07:19,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.69/7.78 [2019-03-29 02:07:19,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.69/7.78 [2019-03-29 02:07:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.69/7.78 [2019-03-29 02:07:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.69/7.78 [2019-03-29 02:07:19,690 INFO L216 LassoAnalysis]: Preferences: 16.69/7.78 [2019-03-29 02:07:19,691 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.69/7.78 [2019-03-29 02:07:19,691 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.69/7.78 [2019-03-29 02:07:19,691 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.69/7.78 [2019-03-29 02:07:19,692 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.69/7.78 [2019-03-29 02:07:19,692 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.69/7.78 [2019-03-29 02:07:19,692 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.69/7.78 [2019-03-29 02:07:19,692 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.69/7.78 [2019-03-29 02:07:19,692 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.69/7.78 [2019-03-29 02:07:19,693 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.69/7.78 [2019-03-29 02:07:19,693 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.69/7.78 [2019-03-29 02:07:19,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.69/7.78 [2019-03-29 02:07:19,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.69/7.78 [2019-03-29 02:07:19,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.69/7.78 [2019-03-29 02:07:19,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.69/7.78 [2019-03-29 02:07:19,843 INFO L300 LassoAnalysis]: Preprocessing complete. 16.69/7.78 [2019-03-29 02:07:19,843 INFO L412 LassoAnalysis]: Checking for nontermination... 16.69/7.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.69/7.78 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.69/7.78 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.69/7.78 [2019-03-29 02:07:19,851 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.69/7.78 [2019-03-29 02:07:19,852 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.69/7.78 [2019-03-29 02:07:19,885 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.69/7.78 [2019-03-29 02:07:19,885 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: [] 16.69/7.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.69/7.78 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.69/7.78 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.69/7.78 [2019-03-29 02:07:19,892 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.69/7.78 [2019-03-29 02:07:19,893 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.69/7.78 [2019-03-29 02:07:19,920 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.69/7.78 [2019-03-29 02:07:19,920 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: [] 16.69/7.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.69/7.78 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.69/7.78 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.69/7.78 [2019-03-29 02:07:19,924 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.69/7.78 [2019-03-29 02:07:19,925 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.69/7.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.69/7.78 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.69/7.78 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.69/7.78 [2019-03-29 02:07:19,956 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.69/7.78 [2019-03-29 02:07:19,956 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.69/7.78 [2019-03-29 02:07:19,987 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.69/7.78 [2019-03-29 02:07:19,989 INFO L216 LassoAnalysis]: Preferences: 16.69/7.78 [2019-03-29 02:07:19,989 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.69/7.78 [2019-03-29 02:07:19,990 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.69/7.78 [2019-03-29 02:07:19,990 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.69/7.78 [2019-03-29 02:07:19,990 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.69/7.78 [2019-03-29 02:07:19,990 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.69/7.78 [2019-03-29 02:07:19,990 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.69/7.78 [2019-03-29 02:07:19,990 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.69/7.78 [2019-03-29 02:07:19,991 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 16.69/7.78 [2019-03-29 02:07:19,991 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.69/7.78 [2019-03-29 02:07:19,991 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.69/7.78 [2019-03-29 02:07:19,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.69/7.78 [2019-03-29 02:07:19,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.69/7.78 [2019-03-29 02:07:20,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.69/7.78 [2019-03-29 02:07:20,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.69/7.78 [2019-03-29 02:07:20,100 INFO L300 LassoAnalysis]: Preprocessing complete. 16.69/7.78 [2019-03-29 02:07:20,106 INFO L497 LassoAnalysis]: Using template 'affine'. 16.69/7.78 [2019-03-29 02:07:20,108 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.69/7.78 Termination analysis: LINEAR_WITH_GUESSES 16.69/7.78 Number of strict supporting invariants: 0 16.69/7.78 Number of non-strict supporting invariants: 1 16.69/7.78 Consider only non-deceasing supporting invariants: true 16.69/7.78 Simplify termination arguments: true 16.69/7.78 Simplify supporting invariants: trueOverapproximate stem: false 16.69/7.78 [2019-03-29 02:07:20,110 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.69/7.78 [2019-03-29 02:07:20,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.69/7.78 [2019-03-29 02:07:20,110 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.69/7.78 [2019-03-29 02:07:20,110 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.69/7.78 [2019-03-29 02:07:20,115 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.69/7.78 [2019-03-29 02:07:20,115 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.69/7.78 [2019-03-29 02:07:20,124 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.69/7.78 [2019-03-29 02:07:20,125 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.69/7.78 Termination analysis: LINEAR_WITH_GUESSES 16.69/7.78 Number of strict supporting invariants: 0 16.69/7.78 Number of non-strict supporting invariants: 1 16.69/7.78 Consider only non-deceasing supporting invariants: true 16.69/7.78 Simplify termination arguments: true 16.69/7.78 Simplify supporting invariants: trueOverapproximate stem: false 16.69/7.78 [2019-03-29 02:07:20,126 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.69/7.78 [2019-03-29 02:07:20,126 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.69/7.78 [2019-03-29 02:07:20,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.69/7.78 [2019-03-29 02:07:20,126 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.69/7.78 [2019-03-29 02:07:20,129 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.69/7.78 [2019-03-29 02:07:20,129 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.69/7.78 [2019-03-29 02:07:20,139 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.69/7.78 [2019-03-29 02:07:20,139 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.69/7.78 Termination analysis: LINEAR_WITH_GUESSES 16.69/7.78 Number of strict supporting invariants: 0 16.69/7.78 Number of non-strict supporting invariants: 1 16.69/7.78 Consider only non-deceasing supporting invariants: true 16.69/7.78 Simplify termination arguments: true 16.69/7.78 Simplify supporting invariants: trueOverapproximate stem: false 16.69/7.78 [2019-03-29 02:07:20,140 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.69/7.78 [2019-03-29 02:07:20,140 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.69/7.78 [2019-03-29 02:07:20,141 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.69/7.78 [2019-03-29 02:07:20,141 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.69/7.78 [2019-03-29 02:07:20,141 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.69/7.78 [2019-03-29 02:07:20,142 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.69/7.78 [2019-03-29 02:07:20,142 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.69/7.78 [2019-03-29 02:07:20,147 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.69/7.78 [2019-03-29 02:07:20,151 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.69/7.78 [2019-03-29 02:07:20,151 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 16.69/7.78 [2019-03-29 02:07:20,153 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.69/7.78 [2019-03-29 02:07:20,154 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.69/7.78 [2019-03-29 02:07:20,154 INFO L518 LassoAnalysis]: Proved termination. 16.69/7.78 [2019-03-29 02:07:20,154 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.69/7.78 Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 16.69/7.78 Supporting invariants [] 16.69/7.78 [2019-03-29 02:07:20,156 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.69/7.78 [2019-03-29 02:07:20,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.69/7.78 [2019-03-29 02:07:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.69/7.78 [2019-03-29 02:07:20,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 16.69/7.78 [2019-03-29 02:07:20,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.69/7.78 [2019-03-29 02:07:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.69/7.78 [2019-03-29 02:07:20,201 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 16.69/7.78 [2019-03-29 02:07:20,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.69/7.78 [2019-03-29 02:07:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.69/7.78 [2019-03-29 02:07:20,214 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 16.69/7.78 [2019-03-29 02:07:20,219 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 16.69/7.78 [2019-03-29 02:07:20,220 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 2 states. 16.69/7.78 [2019-03-29 02:07:20,261 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 2 states. Result 9 states and 24 transitions. Complement of second has 4 states. 16.69/7.78 [2019-03-29 02:07:20,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 16.69/7.78 [2019-03-29 02:07:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 16.69/7.78 [2019-03-29 02:07:20,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. 16.69/7.78 [2019-03-29 02:07:20,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 1 letters. Loop has 1 letters. 16.69/7.78 [2019-03-29 02:07:20,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.69/7.78 [2019-03-29 02:07:20,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 2 letters. Loop has 1 letters. 16.69/7.78 [2019-03-29 02:07:20,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.69/7.78 [2019-03-29 02:07:20,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 1 letters. Loop has 2 letters. 16.76/7.78 [2019-03-29 02:07:20,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/7.78 [2019-03-29 02:07:20,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 24 transitions. 16.76/7.78 [2019-03-29 02:07:20,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.76/7.78 [2019-03-29 02:07:20,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 24 transitions. 16.76/7.78 [2019-03-29 02:07:20,282 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 16.76/7.78 [2019-03-29 02:07:20,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 16.76/7.78 [2019-03-29 02:07:20,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 24 transitions. 16.76/7.78 [2019-03-29 02:07:20,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.76/7.78 [2019-03-29 02:07:20,283 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 24 transitions. 16.76/7.78 [2019-03-29 02:07:20,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 24 transitions. 16.76/7.78 [2019-03-29 02:07:20,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. 16.76/7.78 [2019-03-29 02:07:20,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 16.76/7.78 [2019-03-29 02:07:20,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 23 transitions. 16.76/7.78 [2019-03-29 02:07:20,314 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 23 transitions. 16.76/7.78 [2019-03-29 02:07:20,314 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 23 transitions. 16.76/7.78 [2019-03-29 02:07:20,314 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 16.76/7.78 [2019-03-29 02:07:20,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 23 transitions. 16.76/7.78 [2019-03-29 02:07:20,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.76/7.78 [2019-03-29 02:07:20,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.76/7.78 [2019-03-29 02:07:20,316 INFO L119 BuchiIsEmpty]: Starting construction of run 16.76/7.78 [2019-03-29 02:07:20,316 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.76/7.78 [2019-03-29 02:07:20,316 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.76/7.78 [2019-03-29 02:07:20,317 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY [41] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 42#L13-2 [58] L13-2-->L21-3: Formula: (>= 0 v_ULTIMATE.start_main_~x~0_6) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 44#L21-3 16.76/7.78 [2019-03-29 02:07:20,317 INFO L796 eck$LassoCheckResult]: Loop: 44#L21-3 [49] L21-3-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 1)) (= v_ULTIMATE.start_main_~res~0_6 (+ v_ULTIMATE.start_main_~res~0_7 1)) (< 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~y~0] 46#L21-2 [59] L21-2-->L21-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_11) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11} AuxVars[] AssignedVars[] 44#L21-3 16.76/7.78 [2019-03-29 02:07:20,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/7.78 [2019-03-29 02:07:20,317 INFO L82 PathProgramCache]: Analyzing trace with hash 2290, now seen corresponding path program 1 times 16.76/7.78 [2019-03-29 02:07:20,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/7.78 [2019-03-29 02:07:20,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/7.78 [2019-03-29 02:07:20,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.78 [2019-03-29 02:07:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.78 [2019-03-29 02:07:20,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/7.78 [2019-03-29 02:07:20,325 INFO L82 PathProgramCache]: Analyzing trace with hash 2539, now seen corresponding path program 1 times 16.76/7.78 [2019-03-29 02:07:20,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/7.78 [2019-03-29 02:07:20,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/7.78 [2019-03-29 02:07:20,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.78 [2019-03-29 02:07:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.78 [2019-03-29 02:07:20,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/7.78 [2019-03-29 02:07:20,334 INFO L82 PathProgramCache]: Analyzing trace with hash 2202268, now seen corresponding path program 1 times 16.76/7.78 [2019-03-29 02:07:20,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/7.78 [2019-03-29 02:07:20,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/7.78 [2019-03-29 02:07:20,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/7.78 [2019-03-29 02:07:20,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.76/7.78 [2019-03-29 02:07:20,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.76/7.78 [2019-03-29 02:07:20,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 16.76/7.78 [2019-03-29 02:07:20,389 INFO L216 LassoAnalysis]: Preferences: 16.76/7.78 [2019-03-29 02:07:20,389 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.76/7.78 [2019-03-29 02:07:20,390 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.76/7.78 [2019-03-29 02:07:20,390 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.76/7.78 [2019-03-29 02:07:20,390 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.76/7.78 [2019-03-29 02:07:20,390 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.78 [2019-03-29 02:07:20,390 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.76/7.78 [2019-03-29 02:07:20,390 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.76/7.78 [2019-03-29 02:07:20,390 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.76/7.78 [2019-03-29 02:07:20,391 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.76/7.78 [2019-03-29 02:07:20,391 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.76/7.78 [2019-03-29 02:07:20,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.78 [2019-03-29 02:07:20,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.78 [2019-03-29 02:07:20,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.78 [2019-03-29 02:07:20,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.78 [2019-03-29 02:07:20,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.78 [2019-03-29 02:07:20,456 INFO L300 LassoAnalysis]: Preprocessing complete. 16.76/7.78 [2019-03-29 02:07:20,456 INFO L412 LassoAnalysis]: Checking for nontermination... 16.76/7.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.78 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.78 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.78 [2019-03-29 02:07:20,461 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/7.78 [2019-03-29 02:07:20,461 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.78 [2019-03-29 02:07:20,488 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.76/7.78 [2019-03-29 02:07:20,488 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: [] 16.76/7.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.78 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.78 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.78 [2019-03-29 02:07:20,510 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/7.78 [2019-03-29 02:07:20,511 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.78 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.78 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.78 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.78 [2019-03-29 02:07:20,542 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.76/7.78 [2019-03-29 02:07:20,542 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.78 [2019-03-29 02:07:20,647 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.76/7.78 [2019-03-29 02:07:20,650 INFO L216 LassoAnalysis]: Preferences: 16.76/7.78 [2019-03-29 02:07:20,650 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.76/7.78 [2019-03-29 02:07:20,650 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.76/7.78 [2019-03-29 02:07:20,651 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.76/7.78 [2019-03-29 02:07:20,651 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.76/7.78 [2019-03-29 02:07:20,651 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.76/7.78 [2019-03-29 02:07:20,651 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.76/7.78 [2019-03-29 02:07:20,651 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.76/7.78 [2019-03-29 02:07:20,651 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 16.76/7.78 [2019-03-29 02:07:20,651 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.76/7.78 [2019-03-29 02:07:20,652 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.76/7.78 [2019-03-29 02:07:20,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.78 [2019-03-29 02:07:20,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.78 [2019-03-29 02:07:20,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.78 [2019-03-29 02:07:20,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.78 [2019-03-29 02:07:20,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.78 [2019-03-29 02:07:20,740 INFO L300 LassoAnalysis]: Preprocessing complete. 16.76/7.78 [2019-03-29 02:07:20,740 INFO L497 LassoAnalysis]: Using template 'affine'. 16.76/7.78 [2019-03-29 02:07:20,741 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/7.78 Termination analysis: LINEAR_WITH_GUESSES 16.76/7.78 Number of strict supporting invariants: 0 16.76/7.78 Number of non-strict supporting invariants: 1 16.76/7.78 Consider only non-deceasing supporting invariants: true 16.76/7.78 Simplify termination arguments: true 16.76/7.78 Simplify supporting invariants: trueOverapproximate stem: false 16.76/7.78 [2019-03-29 02:07:20,742 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/7.78 [2019-03-29 02:07:20,742 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/7.78 [2019-03-29 02:07:20,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/7.78 [2019-03-29 02:07:20,742 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/7.78 [2019-03-29 02:07:20,745 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.76/7.78 [2019-03-29 02:07:20,745 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.76/7.78 [2019-03-29 02:07:20,749 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.76/7.78 [2019-03-29 02:07:20,750 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/7.78 Termination analysis: LINEAR_WITH_GUESSES 16.76/7.78 Number of strict supporting invariants: 0 16.76/7.78 Number of non-strict supporting invariants: 1 16.76/7.78 Consider only non-deceasing supporting invariants: true 16.76/7.78 Simplify termination arguments: true 16.76/7.78 Simplify supporting invariants: trueOverapproximate stem: false 16.76/7.78 [2019-03-29 02:07:20,750 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/7.78 [2019-03-29 02:07:20,750 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.76/7.78 [2019-03-29 02:07:20,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/7.78 [2019-03-29 02:07:20,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/7.78 [2019-03-29 02:07:20,751 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/7.78 [2019-03-29 02:07:20,752 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.76/7.78 [2019-03-29 02:07:20,752 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.76/7.78 [2019-03-29 02:07:20,756 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.76/7.78 [2019-03-29 02:07:20,760 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.76/7.78 [2019-03-29 02:07:20,760 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 16.76/7.78 [2019-03-29 02:07:20,760 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.76/7.78 [2019-03-29 02:07:20,760 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.76/7.78 [2019-03-29 02:07:20,760 INFO L518 LassoAnalysis]: Proved termination. 16.76/7.78 [2019-03-29 02:07:20,761 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.76/7.78 Ranking function f(ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~y~0 16.76/7.78 Supporting invariants [] 16.76/7.78 [2019-03-29 02:07:20,761 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.76/7.78 [2019-03-29 02:07:20,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/7.78 [2019-03-29 02:07:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/7.78 [2019-03-29 02:07:20,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 16.76/7.78 [2019-03-29 02:07:20,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/7.78 [2019-03-29 02:07:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/7.78 [2019-03-29 02:07:20,796 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 16.76/7.78 [2019-03-29 02:07:20,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/7.78 [2019-03-29 02:07:20,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.76/7.78 [2019-03-29 02:07:20,813 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.76/7.78 [2019-03-29 02:07:20,814 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 16.76/7.78 [2019-03-29 02:07:20,814 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 23 transitions. cyclomatic complexity: 18 Second operand 3 states. 16.76/7.78 [2019-03-29 02:07:20,854 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 23 transitions. cyclomatic complexity: 18. Second operand 3 states. Result 26 states and 55 transitions. Complement of second has 6 states. 16.76/7.78 [2019-03-29 02:07:20,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 16.76/7.78 [2019-03-29 02:07:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.76/7.78 [2019-03-29 02:07:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. 16.76/7.78 [2019-03-29 02:07:20,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. 16.76/7.78 [2019-03-29 02:07:20,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/7.78 [2019-03-29 02:07:20,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. 16.76/7.78 [2019-03-29 02:07:20,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/7.78 [2019-03-29 02:07:20,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. 16.76/7.78 [2019-03-29 02:07:20,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/7.78 [2019-03-29 02:07:20,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 55 transitions. 16.76/7.78 [2019-03-29 02:07:20,860 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 16.76/7.78 [2019-03-29 02:07:20,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 55 transitions. 16.76/7.78 [2019-03-29 02:07:20,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 16.76/7.78 [2019-03-29 02:07:20,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 16.76/7.78 [2019-03-29 02:07:20,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 55 transitions. 16.76/7.78 [2019-03-29 02:07:20,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.76/7.78 [2019-03-29 02:07:20,863 INFO L706 BuchiCegarLoop]: Abstraction has 26 states and 55 transitions. 16.76/7.78 [2019-03-29 02:07:20,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 55 transitions. 16.76/7.78 [2019-03-29 02:07:20,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. 16.76/7.78 [2019-03-29 02:07:20,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. 16.76/7.78 [2019-03-29 02:07:20,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 51 transitions. 16.76/7.78 [2019-03-29 02:07:20,867 INFO L729 BuchiCegarLoop]: Abstraction has 22 states and 51 transitions. 16.76/7.78 [2019-03-29 02:07:20,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 16.76/7.78 [2019-03-29 02:07:20,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 16.76/7.78 [2019-03-29 02:07:20,871 INFO L87 Difference]: Start difference. First operand 22 states and 51 transitions. Second operand 3 states. 16.76/7.78 [2019-03-29 02:07:20,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.76/7.78 [2019-03-29 02:07:20,898 INFO L93 Difference]: Finished difference Result 12 states and 23 transitions. 16.76/7.78 [2019-03-29 02:07:20,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 16.76/7.78 [2019-03-29 02:07:20,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 23 transitions. 16.76/7.78 [2019-03-29 02:07:20,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.76/7.78 [2019-03-29 02:07:20,901 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 15 transitions. 16.76/7.78 [2019-03-29 02:07:20,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 16.76/7.78 [2019-03-29 02:07:20,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 16.76/7.78 [2019-03-29 02:07:20,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 15 transitions. 16.76/7.78 [2019-03-29 02:07:20,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.76/7.78 [2019-03-29 02:07:20,902 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 15 transitions. 16.76/7.78 [2019-03-29 02:07:20,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 15 transitions. 16.76/7.78 [2019-03-29 02:07:20,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. 16.76/7.78 [2019-03-29 02:07:20,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 16.76/7.78 [2019-03-29 02:07:20,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 15 transitions. 16.76/7.78 [2019-03-29 02:07:20,904 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 15 transitions. 16.76/7.78 [2019-03-29 02:07:20,904 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 15 transitions. 16.76/7.78 [2019-03-29 02:07:20,904 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 16.76/7.78 [2019-03-29 02:07:20,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 15 transitions. 16.76/7.78 [2019-03-29 02:07:20,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.76/7.78 [2019-03-29 02:07:20,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.76/7.78 [2019-03-29 02:07:20,906 INFO L119 BuchiIsEmpty]: Starting construction of run 16.76/7.78 [2019-03-29 02:07:20,906 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 16.76/7.78 [2019-03-29 02:07:20,906 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.76/7.78 [2019-03-29 02:07:20,907 INFO L794 eck$LassoCheckResult]: Stem: 145#ULTIMATE.startENTRY [41] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 146#L13-2 [57] L13-2-->L21-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 148#L21-3 16.76/7.78 [2019-03-29 02:07:20,907 INFO L796 eck$LassoCheckResult]: Loop: 148#L21-3 [49] L21-3-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 1)) (= v_ULTIMATE.start_main_~res~0_6 (+ v_ULTIMATE.start_main_~res~0_7 1)) (< 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~y~0] 150#L21-2 [59] L21-2-->L21-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_11) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11} AuxVars[] AssignedVars[] 148#L21-3 16.76/7.78 [2019-03-29 02:07:20,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/7.78 [2019-03-29 02:07:20,907 INFO L82 PathProgramCache]: Analyzing trace with hash 2289, now seen corresponding path program 1 times 16.76/7.78 [2019-03-29 02:07:20,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/7.78 [2019-03-29 02:07:20,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/7.78 [2019-03-29 02:07:20,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.78 [2019-03-29 02:07:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.78 [2019-03-29 02:07:20,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/7.78 [2019-03-29 02:07:20,915 INFO L82 PathProgramCache]: Analyzing trace with hash 2539, now seen corresponding path program 2 times 16.76/7.78 [2019-03-29 02:07:20,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/7.78 [2019-03-29 02:07:20,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/7.78 [2019-03-29 02:07:20,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.78 [2019-03-29 02:07:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.78 [2019-03-29 02:07:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.78 [2019-03-29 02:07:20,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/7.79 [2019-03-29 02:07:20,924 INFO L82 PathProgramCache]: Analyzing trace with hash 2201307, now seen corresponding path program 1 times 16.76/7.79 [2019-03-29 02:07:20,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/7.79 [2019-03-29 02:07:20,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/7.79 [2019-03-29 02:07:20,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.79 [2019-03-29 02:07:20,925 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 16.76/7.79 [2019-03-29 02:07:20,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.79 [2019-03-29 02:07:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.79 [2019-03-29 02:07:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.79 [2019-03-29 02:07:20,953 INFO L216 LassoAnalysis]: Preferences: 16.76/7.79 [2019-03-29 02:07:20,954 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.76/7.79 [2019-03-29 02:07:20,954 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.76/7.79 [2019-03-29 02:07:20,954 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.76/7.79 [2019-03-29 02:07:20,954 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.76/7.79 [2019-03-29 02:07:20,954 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:20,954 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.76/7.79 [2019-03-29 02:07:20,954 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.76/7.79 [2019-03-29 02:07:20,954 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.76/7.79 [2019-03-29 02:07:20,955 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.76/7.79 [2019-03-29 02:07:20,955 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.76/7.79 [2019-03-29 02:07:20,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:20,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:20,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:20,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:20,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,048 INFO L300 LassoAnalysis]: Preprocessing complete. 16.76/7.79 [2019-03-29 02:07:21,049 INFO L412 LassoAnalysis]: Checking for nontermination... 16.76/7.79 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.79 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.79 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,055 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/7.79 [2019-03-29 02:07:21,055 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.79 [2019-03-29 02:07:21,083 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.76/7.79 [2019-03-29 02:07:21,084 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: [] 16.76/7.79 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.79 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.79 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,090 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/7.79 [2019-03-29 02:07:21,090 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.79 [2019-03-29 02:07:21,118 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.76/7.79 [2019-03-29 02:07:21,118 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: [] Lambdas: [] Nus: [] 16.76/7.79 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.79 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.79 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,123 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/7.79 [2019-03-29 02:07:21,123 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.79 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.79 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.79 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,154 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.76/7.79 [2019-03-29 02:07:21,155 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.79 [2019-03-29 02:07:21,247 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.76/7.79 [2019-03-29 02:07:21,249 INFO L216 LassoAnalysis]: Preferences: 16.76/7.79 [2019-03-29 02:07:21,249 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.76/7.79 [2019-03-29 02:07:21,249 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.76/7.79 [2019-03-29 02:07:21,250 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.76/7.79 [2019-03-29 02:07:21,250 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.76/7.79 [2019-03-29 02:07:21,250 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,250 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.76/7.79 [2019-03-29 02:07:21,251 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.76/7.79 [2019-03-29 02:07:21,251 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 16.76/7.79 [2019-03-29 02:07:21,251 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.76/7.79 [2019-03-29 02:07:21,251 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.76/7.79 [2019-03-29 02:07:21,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,318 INFO L300 LassoAnalysis]: Preprocessing complete. 16.76/7.79 [2019-03-29 02:07:21,319 INFO L497 LassoAnalysis]: Using template 'affine'. 16.76/7.79 [2019-03-29 02:07:21,319 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/7.79 Termination analysis: LINEAR_WITH_GUESSES 16.76/7.79 Number of strict supporting invariants: 0 16.76/7.79 Number of non-strict supporting invariants: 1 16.76/7.79 Consider only non-deceasing supporting invariants: true 16.76/7.79 Simplify termination arguments: true 16.76/7.79 Simplify supporting invariants: trueOverapproximate stem: false 16.76/7.79 [2019-03-29 02:07:21,320 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/7.79 [2019-03-29 02:07:21,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.76/7.79 [2019-03-29 02:07:21,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/7.79 [2019-03-29 02:07:21,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/7.79 [2019-03-29 02:07:21,321 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/7.79 [2019-03-29 02:07:21,321 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.76/7.79 [2019-03-29 02:07:21,321 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.76/7.79 [2019-03-29 02:07:21,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.76/7.79 [2019-03-29 02:07:21,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/7.79 Termination analysis: LINEAR_WITH_GUESSES 16.76/7.79 Number of strict supporting invariants: 0 16.76/7.79 Number of non-strict supporting invariants: 1 16.76/7.79 Consider only non-deceasing supporting invariants: true 16.76/7.79 Simplify termination arguments: true 16.76/7.79 Simplify supporting invariants: trueOverapproximate stem: false 16.76/7.79 [2019-03-29 02:07:21,323 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/7.79 [2019-03-29 02:07:21,323 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/7.79 [2019-03-29 02:07:21,323 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/7.79 [2019-03-29 02:07:21,324 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/7.79 [2019-03-29 02:07:21,326 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 16.76/7.79 [2019-03-29 02:07:21,326 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 16.76/7.79 [2019-03-29 02:07:21,330 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.76/7.79 [2019-03-29 02:07:21,331 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/7.79 Termination analysis: LINEAR_WITH_GUESSES 16.76/7.79 Number of strict supporting invariants: 0 16.76/7.79 Number of non-strict supporting invariants: 1 16.76/7.79 Consider only non-deceasing supporting invariants: true 16.76/7.79 Simplify termination arguments: true 16.76/7.79 Simplify supporting invariants: trueOverapproximate stem: false 16.76/7.79 [2019-03-29 02:07:21,331 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/7.79 [2019-03-29 02:07:21,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.76/7.79 [2019-03-29 02:07:21,332 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/7.79 [2019-03-29 02:07:21,332 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/7.79 [2019-03-29 02:07:21,332 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/7.79 [2019-03-29 02:07:21,332 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.76/7.79 [2019-03-29 02:07:21,333 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.76/7.79 [2019-03-29 02:07:21,336 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.76/7.79 [2019-03-29 02:07:21,338 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.76/7.79 [2019-03-29 02:07:21,339 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 16.76/7.79 [2019-03-29 02:07:21,339 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.76/7.79 [2019-03-29 02:07:21,339 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.76/7.79 [2019-03-29 02:07:21,339 INFO L518 LassoAnalysis]: Proved termination. 16.76/7.79 [2019-03-29 02:07:21,340 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.76/7.79 Ranking function f(ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~y~0 16.76/7.79 Supporting invariants [] 16.76/7.79 [2019-03-29 02:07:21,340 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.76/7.79 [2019-03-29 02:07:21,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/7.79 [2019-03-29 02:07:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/7.79 [2019-03-29 02:07:21,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 16.76/7.79 [2019-03-29 02:07:21,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/7.79 [2019-03-29 02:07:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/7.79 [2019-03-29 02:07:21,367 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 16.76/7.79 [2019-03-29 02:07:21,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/7.79 [2019-03-29 02:07:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.76/7.79 [2019-03-29 02:07:21,376 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.76/7.79 [2019-03-29 02:07:21,376 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 16.76/7.79 [2019-03-29 02:07:21,376 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 15 transitions. cyclomatic complexity: 10 Second operand 3 states. 16.76/7.79 [2019-03-29 02:07:21,410 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 15 transitions. cyclomatic complexity: 10. Second operand 3 states. Result 22 states and 34 transitions. Complement of second has 6 states. 16.76/7.79 [2019-03-29 02:07:21,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 16.76/7.79 [2019-03-29 02:07:21,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.76/7.79 [2019-03-29 02:07:21,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. 16.76/7.79 [2019-03-29 02:07:21,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. 16.76/7.79 [2019-03-29 02:07:21,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/7.79 [2019-03-29 02:07:21,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. 16.76/7.79 [2019-03-29 02:07:21,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/7.79 [2019-03-29 02:07:21,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. 16.76/7.79 [2019-03-29 02:07:21,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/7.79 [2019-03-29 02:07:21,414 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 34 transitions. 16.76/7.79 [2019-03-29 02:07:21,415 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.76/7.79 [2019-03-29 02:07:21,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 15 states and 23 transitions. 16.76/7.79 [2019-03-29 02:07:21,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 16.76/7.79 [2019-03-29 02:07:21,416 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 16.76/7.79 [2019-03-29 02:07:21,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 23 transitions. 16.76/7.79 [2019-03-29 02:07:21,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 16.76/7.79 [2019-03-29 02:07:21,417 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 23 transitions. 16.76/7.79 [2019-03-29 02:07:21,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 23 transitions. 16.76/7.79 [2019-03-29 02:07:21,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. 16.76/7.79 [2019-03-29 02:07:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. 16.76/7.79 [2019-03-29 02:07:21,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 23 transitions. 16.76/7.79 [2019-03-29 02:07:21,419 INFO L729 BuchiCegarLoop]: Abstraction has 15 states and 23 transitions. 16.76/7.79 [2019-03-29 02:07:21,419 INFO L609 BuchiCegarLoop]: Abstraction has 15 states and 23 transitions. 16.76/7.79 [2019-03-29 02:07:21,419 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 16.76/7.79 [2019-03-29 02:07:21,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 23 transitions. 16.76/7.79 [2019-03-29 02:07:21,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 16.76/7.79 [2019-03-29 02:07:21,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 16.76/7.79 [2019-03-29 02:07:21,420 INFO L119 BuchiIsEmpty]: Starting construction of run 16.76/7.79 [2019-03-29 02:07:21,420 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] 16.76/7.79 [2019-03-29 02:07:21,420 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 16.76/7.79 [2019-03-29 02:07:21,421 INFO L794 eck$LassoCheckResult]: Stem: 210#ULTIMATE.startENTRY [41] ULTIMATE.startENTRY-->L13-2: 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|)) 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_~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_~x~0] 211#L13-2 [57] L13-2-->L21-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_6) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[] 212#L21-3 [49] L21-3-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 1)) (= v_ULTIMATE.start_main_~res~0_6 (+ v_ULTIMATE.start_main_~res~0_7 1)) (< 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~y~0] 224#L21-2 [52] L21-2-->L21-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_13) (= v_ULTIMATE.start_main_~y~0_12 (+ v_ULTIMATE.start_main_~y~0_13 (- 1))) (= v_ULTIMATE.start_main_~x~0_12 (+ v_ULTIMATE.start_main_~x~0_13 (- 1))) (< 0 v_ULTIMATE.start_main_~x~0_13)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 221#L21-2 [52] L21-2-->L21-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_13) (= v_ULTIMATE.start_main_~y~0_12 (+ v_ULTIMATE.start_main_~y~0_13 (- 1))) (= v_ULTIMATE.start_main_~x~0_12 (+ v_ULTIMATE.start_main_~x~0_13 (- 1))) (< 0 v_ULTIMATE.start_main_~x~0_13)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_13, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_12} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 219#L21-2 [59] L21-2-->L21-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_11) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11} AuxVars[] AssignedVars[] 214#L21-3 16.76/7.79 [2019-03-29 02:07:21,421 INFO L796 eck$LassoCheckResult]: Loop: 214#L21-3 [49] L21-3-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_9 (+ v_ULTIMATE.start_main_~y~0_10 1)) (= v_ULTIMATE.start_main_~res~0_6 (+ v_ULTIMATE.start_main_~res~0_7 1)) (< 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~y~0] 215#L21-2 [59] L21-2-->L21-3: Formula: (>= 0 v_ULTIMATE.start_main_~y~0_11) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11} AuxVars[] AssignedVars[] 214#L21-3 16.76/7.79 [2019-03-29 02:07:21,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/7.79 [2019-03-29 02:07:21,421 INFO L82 PathProgramCache]: Analyzing trace with hash 2115450971, now seen corresponding path program 1 times 16.76/7.79 [2019-03-29 02:07:21,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/7.79 [2019-03-29 02:07:21,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/7.79 [2019-03-29 02:07:21,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.79 [2019-03-29 02:07:21,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/7.79 [2019-03-29 02:07:21,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.79 [2019-03-29 02:07:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/7.79 [2019-03-29 02:07:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.76/7.79 [2019-03-29 02:07:21,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 16.76/7.79 [2019-03-29 02:07:21,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 16.76/7.79 [2019-03-29 02:07:21,449 INFO L799 eck$LassoCheckResult]: stem already infeasible 16.76/7.79 [2019-03-29 02:07:21,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/7.79 [2019-03-29 02:07:21,449 INFO L82 PathProgramCache]: Analyzing trace with hash 2539, now seen corresponding path program 3 times 16.76/7.79 [2019-03-29 02:07:21,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 16.76/7.79 [2019-03-29 02:07:21,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 16.76/7.79 [2019-03-29 02:07:21,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.79 [2019-03-29 02:07:21,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 16.76/7.79 [2019-03-29 02:07:21,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 16.76/7.79 [2019-03-29 02:07:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.79 [2019-03-29 02:07:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 16.76/7.79 [2019-03-29 02:07:21,471 INFO L216 LassoAnalysis]: Preferences: 16.76/7.79 [2019-03-29 02:07:21,472 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.76/7.79 [2019-03-29 02:07:21,472 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.76/7.79 [2019-03-29 02:07:21,472 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.76/7.79 [2019-03-29 02:07:21,472 INFO L127 ssoRankerPreferences]: Use exernal solver: true 16.76/7.79 [2019-03-29 02:07:21,472 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,472 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.76/7.79 [2019-03-29 02:07:21,472 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.76/7.79 [2019-03-29 02:07:21,473 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 16.76/7.79 [2019-03-29 02:07:21,473 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.76/7.79 [2019-03-29 02:07:21,473 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.76/7.79 [2019-03-29 02:07:21,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,570 INFO L300 LassoAnalysis]: Preprocessing complete. 16.76/7.79 [2019-03-29 02:07:21,570 INFO L412 LassoAnalysis]: Checking for nontermination... 16.76/7.79 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.79 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.79 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,573 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/7.79 [2019-03-29 02:07:21,574 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.79 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.79 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.79 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,603 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.76/7.79 [2019-03-29 02:07:21,603 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.79 [2019-03-29 02:07:21,621 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.76/7.79 [2019-03-29 02:07:21,621 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] 16.76/7.79 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.79 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.79 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,648 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/7.79 [2019-03-29 02:07:21,648 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.79 [2019-03-29 02:07:21,674 INFO L445 LassoAnalysis]: Proved nontermination for one component. 16.76/7.79 [2019-03-29 02:07:21,675 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: [] Lambdas: [] Nus: [] 16.76/7.79 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.79 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.79 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,679 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 16.76/7.79 [2019-03-29 02:07:21,679 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.79 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 16.76/7.79 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 16.76/7.79 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,709 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 16.76/7.79 [2019-03-29 02:07:21,709 INFO L163 nArgumentSynthesizer]: Using integer mode. 16.76/7.79 [2019-03-29 02:07:21,801 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 16.76/7.79 [2019-03-29 02:07:21,803 INFO L216 LassoAnalysis]: Preferences: 16.76/7.79 [2019-03-29 02:07:21,803 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 16.76/7.79 [2019-03-29 02:07:21,803 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 16.76/7.79 [2019-03-29 02:07:21,803 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 16.76/7.79 [2019-03-29 02:07:21,804 INFO L127 ssoRankerPreferences]: Use exernal solver: false 16.76/7.79 [2019-03-29 02:07:21,804 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 16.76/7.79 [2019-03-29 02:07:21,804 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 16.76/7.79 [2019-03-29 02:07:21,804 INFO L130 ssoRankerPreferences]: Path of dumped script: 16.76/7.79 [2019-03-29 02:07:21,804 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 16.76/7.79 [2019-03-29 02:07:21,804 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 16.76/7.79 [2019-03-29 02:07:21,804 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 16.76/7.79 [2019-03-29 02:07:21,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 16.76/7.79 [2019-03-29 02:07:21,867 INFO L300 LassoAnalysis]: Preprocessing complete. 16.76/7.79 [2019-03-29 02:07:21,867 INFO L497 LassoAnalysis]: Using template 'affine'. 16.76/7.79 [2019-03-29 02:07:21,868 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/7.79 Termination analysis: LINEAR_WITH_GUESSES 16.76/7.79 Number of strict supporting invariants: 0 16.76/7.79 Number of non-strict supporting invariants: 1 16.76/7.79 Consider only non-deceasing supporting invariants: true 16.76/7.79 Simplify termination arguments: true 16.76/7.79 Simplify supporting invariants: trueOverapproximate stem: false 16.76/7.79 [2019-03-29 02:07:21,868 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/7.79 [2019-03-29 02:07:21,868 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.76/7.79 [2019-03-29 02:07:21,869 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/7.79 [2019-03-29 02:07:21,869 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/7.79 [2019-03-29 02:07:21,869 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/7.79 [2019-03-29 02:07:21,869 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.76/7.79 [2019-03-29 02:07:21,870 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.76/7.79 [2019-03-29 02:07:21,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.76/7.79 [2019-03-29 02:07:21,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/7.79 Termination analysis: LINEAR_WITH_GUESSES 16.76/7.79 Number of strict supporting invariants: 0 16.76/7.79 Number of non-strict supporting invariants: 1 16.76/7.79 Consider only non-deceasing supporting invariants: true 16.76/7.79 Simplify termination arguments: true 16.76/7.79 Simplify supporting invariants: trueOverapproximate stem: false 16.76/7.79 [2019-03-29 02:07:21,873 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/7.79 [2019-03-29 02:07:21,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.76/7.79 [2019-03-29 02:07:21,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/7.79 [2019-03-29 02:07:21,874 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/7.79 [2019-03-29 02:07:21,874 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/7.79 [2019-03-29 02:07:21,875 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.76/7.79 [2019-03-29 02:07:21,875 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.76/7.79 [2019-03-29 02:07:21,876 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 16.76/7.79 [2019-03-29 02:07:21,876 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 16.76/7.79 Termination analysis: LINEAR_WITH_GUESSES 16.76/7.79 Number of strict supporting invariants: 0 16.76/7.79 Number of non-strict supporting invariants: 1 16.76/7.79 Consider only non-deceasing supporting invariants: true 16.76/7.79 Simplify termination arguments: true 16.76/7.79 Simplify supporting invariants: trueOverapproximate stem: false 16.76/7.79 [2019-03-29 02:07:21,876 INFO L339 nArgumentSynthesizer]: Template has degree 0. 16.76/7.79 [2019-03-29 02:07:21,877 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 16.76/7.79 [2019-03-29 02:07:21,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 16.76/7.79 [2019-03-29 02:07:21,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 16.76/7.79 [2019-03-29 02:07:21,877 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 16.76/7.79 [2019-03-29 02:07:21,877 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 16.76/7.79 [2019-03-29 02:07:21,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 16.76/7.79 [2019-03-29 02:07:21,882 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 16.76/7.79 [2019-03-29 02:07:21,884 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 16.76/7.79 [2019-03-29 02:07:21,884 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 16.76/7.79 [2019-03-29 02:07:21,885 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 16.76/7.79 [2019-03-29 02:07:21,885 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 16.76/7.79 [2019-03-29 02:07:21,885 INFO L518 LassoAnalysis]: Proved termination. 16.76/7.79 [2019-03-29 02:07:21,885 INFO L520 LassoAnalysis]: Termination argument consisting of: 16.76/7.79 Ranking function f(ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~y~0 16.76/7.79 Supporting invariants [] 16.76/7.79 [2019-03-29 02:07:21,885 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 16.76/7.79 [2019-03-29 02:07:21,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 16.76/7.79 [2019-03-29 02:07:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/7.79 [2019-03-29 02:07:21,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core 16.76/7.79 [2019-03-29 02:07:21,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/7.79 [2019-03-29 02:07:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 16.76/7.79 [2019-03-29 02:07:21,909 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 16.76/7.79 [2019-03-29 02:07:21,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... 16.76/7.79 [2019-03-29 02:07:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 16.76/7.79 [2019-03-29 02:07:21,917 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 16.76/7.79 [2019-03-29 02:07:21,917 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 16.76/7.79 [2019-03-29 02:07:21,917 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 15 states and 23 transitions. cyclomatic complexity: 13 Second operand 3 states. 16.76/7.79 [2019-03-29 02:07:21,944 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 15 states and 23 transitions. cyclomatic complexity: 13. Second operand 3 states. Result 37 states and 57 transitions. Complement of second has 8 states. 16.76/7.79 [2019-03-29 02:07:21,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 16.76/7.79 [2019-03-29 02:07:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 16.76/7.79 [2019-03-29 02:07:21,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. 16.76/7.79 [2019-03-29 02:07:21,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 2 letters. 16.76/7.79 [2019-03-29 02:07:21,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/7.79 [2019-03-29 02:07:21,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 2 letters. 16.76/7.79 [2019-03-29 02:07:21,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/7.79 [2019-03-29 02:07:21,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 4 letters. 16.76/7.79 [2019-03-29 02:07:21,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. 16.76/7.79 [2019-03-29 02:07:21,947 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 57 transitions. 16.76/7.79 [2019-03-29 02:07:21,949 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.76/7.79 [2019-03-29 02:07:21,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.76/7.79 [2019-03-29 02:07:21,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.76/7.79 [2019-03-29 02:07:21,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.76/7.79 [2019-03-29 02:07:21,950 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,950 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 16.76/7.79 [2019-03-29 02:07:21,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 16.76/7.79 [2019-03-29 02:07:21,951 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. 16.76/7.79 [2019-03-29 02:07:21,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 16.76/7.79 [2019-03-29 02:07:21,951 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 16.76/7.79 [2019-03-29 02:07:21,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,952 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.76/7.79 [2019-03-29 02:07:21,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 16.76/7.79 [2019-03-29 02:07:21,953 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 16.76/7.79 [2019-03-29 02:07:21,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 16.76/7.79 [2019-03-29 02:07:21,953 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,953 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,953 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,953 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 16.76/7.79 [2019-03-29 02:07:21,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 16.76/7.79 [2019-03-29 02:07:21,953 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 16.76/7.79 [2019-03-29 02:07:21,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 16.76/7.79 [2019-03-29 02:07:21,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:07:21 BasicIcfg 16.76/7.79 [2019-03-29 02:07:21,960 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 16.76/7.79 [2019-03-29 02:07:21,960 INFO L168 Benchmark]: Toolchain (without parser) took 3317.14 ms. Allocated memory was 649.6 MB in the beginning and 735.6 MB in the end (delta: 86.0 MB). Free memory was 559.2 MB in the beginning and 637.6 MB in the end (delta: -78.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 50.3 GB. 16.76/7.79 [2019-03-29 02:07:21,962 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. 16.76/7.79 [2019-03-29 02:07:21,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.60 ms. Allocated memory is still 649.6 MB. Free memory was 559.2 MB in the beginning and 549.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 16.76/7.79 [2019-03-29 02:07:21,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.21 ms. Allocated memory was 649.6 MB in the beginning and 652.2 MB in the end (delta: 2.6 MB). Free memory was 549.3 MB in the beginning and 617.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 16.76/7.79 [2019-03-29 02:07:21,964 INFO L168 Benchmark]: Boogie Preprocessor took 21.73 ms. Allocated memory is still 652.2 MB. Free memory was 617.9 MB in the beginning and 615.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 16.76/7.79 [2019-03-29 02:07:21,964 INFO L168 Benchmark]: RCFGBuilder took 219.62 ms. Allocated memory is still 652.2 MB. Free memory was 615.1 MB in the beginning and 601.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 16.76/7.79 [2019-03-29 02:07:21,965 INFO L168 Benchmark]: BlockEncodingV2 took 84.78 ms. Allocated memory is still 652.2 MB. Free memory was 601.6 MB in the beginning and 595.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 16.76/7.79 [2019-03-29 02:07:21,965 INFO L168 Benchmark]: TraceAbstraction took 164.46 ms. Allocated memory is still 652.2 MB. Free memory was 594.1 MB in the beginning and 585.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 16.76/7.79 [2019-03-29 02:07:21,966 INFO L168 Benchmark]: BuchiAutomizer took 2491.45 ms. Allocated memory was 652.2 MB in the beginning and 735.6 MB in the end (delta: 83.4 MB). Free memory was 585.3 MB in the beginning and 637.6 MB in the end (delta: -52.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 50.3 GB. 16.76/7.79 [2019-03-29 02:07:21,970 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 16.76/7.79 --- Results --- 16.76/7.79 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 16.76/7.79 - StatisticsResult: Initial Icfg 16.76/7.79 8 locations, 13 edges 16.76/7.79 - StatisticsResult: Encoded RCFG 16.76/7.79 4 locations, 8 edges 16.76/7.79 * Results from de.uni_freiburg.informatik.ultimate.core: 16.76/7.79 - StatisticsResult: Toolchain Benchmarks 16.76/7.79 Benchmark results are: 16.76/7.79 * 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. 16.76/7.79 * CACSL2BoogieTranslator took 230.60 ms. Allocated memory is still 649.6 MB. Free memory was 559.2 MB in the beginning and 549.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 16.76/7.79 * Boogie Procedure Inliner took 99.21 ms. Allocated memory was 649.6 MB in the beginning and 652.2 MB in the end (delta: 2.6 MB). Free memory was 549.3 MB in the beginning and 617.9 MB in the end (delta: -68.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 50.3 GB. 16.76/7.79 * Boogie Preprocessor took 21.73 ms. Allocated memory is still 652.2 MB. Free memory was 617.9 MB in the beginning and 615.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 16.76/7.79 * RCFGBuilder took 219.62 ms. Allocated memory is still 652.2 MB. Free memory was 615.1 MB in the beginning and 601.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 16.76/7.79 * BlockEncodingV2 took 84.78 ms. Allocated memory is still 652.2 MB. Free memory was 601.6 MB in the beginning and 595.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 16.76/7.79 * TraceAbstraction took 164.46 ms. Allocated memory is still 652.2 MB. Free memory was 594.1 MB in the beginning and 585.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 16.76/7.79 * BuchiAutomizer took 2491.45 ms. Allocated memory was 652.2 MB in the beginning and 735.6 MB in the end (delta: 83.4 MB). Free memory was 585.3 MB in the beginning and 637.6 MB in the end (delta: -52.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 50.3 GB. 16.76/7.79 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 16.76/7.79 - AllSpecificationsHoldResult: All specifications hold 16.76/7.79 We were not able to verify any specifiation because the program does not contain any specification. 16.76/7.79 - InvariantResult [Line: 13]: Loop Invariant 16.76/7.79 Derived loop invariant: 1 16.76/7.79 - InvariantResult [Line: 21]: Loop Invariant 16.76/7.79 Derived loop invariant: 1 16.76/7.79 - StatisticsResult: Ultimate Automizer benchmark data 16.76/7.79 CFG has 1 procedures, 4 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=4occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 16.76/7.79 - StatisticsResult: Constructed decomposition of program 16.76/7.79 Your program was decomposed into 6 terminating modules (2 trivial, 0 deterministic, 4 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y and consists of 4 locations. One nondeterministic module has affine ranking function -1 * y and consists of 4 locations. One nondeterministic module has affine ranking function -1 * y and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. 16.76/7.79 - StatisticsResult: Timing statistics 16.76/7.79 BüchiAutomizer plugin needed 2.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 15 states and ocurred in iteration 3. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 20 SDtfs, 38 SDslu, 6 SDs, 0 SdLazy, 66 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s 16.76/7.79 - TerminationAnalysisResult: Termination proven 16.76/7.79 Buchi Automizer proved that your program is terminating 16.76/7.79 RESULT: Ultimate proved your program to be correct! 16.76/7.79 !SESSION 2019-03-29 02:07:15.367 ----------------------------------------------- 16.76/7.79 eclipse.buildId=unknown 16.76/7.79 java.version=1.8.0_181 16.76/7.79 java.vendor=Oracle Corporation 16.76/7.79 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 16.76/7.79 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 16.76/7.79 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 16.76/7.79 16.76/7.79 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:07:22.202 16.76/7.79 !MESSAGE The workspace will exit with unsaved changes in this session. 16.76/7.79 Received shutdown request... 16.76/7.79 Ultimate: 16.76/7.79 GTK+ Version Check 16.76/7.79 EOF