25.73/16.60 YES 25.73/16.60 25.73/16.61 Ultimate: Cannot open display: 25.73/16.61 This is Ultimate 0.1.24-8dc7c08-m 25.73/16.61 [2019-03-28 12:26:46,864 INFO L170 SettingsManager]: Resetting all preferences to default values... 25.73/16.61 [2019-03-28 12:26:46,866 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 25.73/16.61 [2019-03-28 12:26:46,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 25.73/16.61 [2019-03-28 12:26:46,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 25.73/16.61 [2019-03-28 12:26:46,879 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 25.73/16.61 [2019-03-28 12:26:46,881 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 25.73/16.61 [2019-03-28 12:26:46,882 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 25.73/16.61 [2019-03-28 12:26:46,884 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 25.73/16.61 [2019-03-28 12:26:46,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 25.73/16.61 [2019-03-28 12:26:46,886 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 25.73/16.61 [2019-03-28 12:26:46,886 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 25.73/16.61 [2019-03-28 12:26:46,887 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 25.73/16.61 [2019-03-28 12:26:46,888 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 25.73/16.61 [2019-03-28 12:26:46,889 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 25.73/16.61 [2019-03-28 12:26:46,890 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 25.73/16.61 [2019-03-28 12:26:46,890 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 25.73/16.61 [2019-03-28 12:26:46,892 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 25.73/16.61 [2019-03-28 12:26:46,894 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 25.73/16.61 [2019-03-28 12:26:46,896 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 25.73/16.61 [2019-03-28 12:26:46,897 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 25.73/16.61 [2019-03-28 12:26:46,898 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 25.73/16.61 [2019-03-28 12:26:46,900 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 25.73/16.61 [2019-03-28 12:26:46,900 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 25.73/16.61 [2019-03-28 12:26:46,900 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 25.73/16.61 [2019-03-28 12:26:46,901 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 25.73/16.61 [2019-03-28 12:26:46,902 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 25.73/16.61 [2019-03-28 12:26:46,903 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 25.73/16.61 [2019-03-28 12:26:46,903 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 25.73/16.61 [2019-03-28 12:26:46,904 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 25.73/16.61 [2019-03-28 12:26:46,904 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 25.73/16.61 [2019-03-28 12:26:46,905 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 25.73/16.61 [2019-03-28 12:26:46,906 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 25.73/16.61 [2019-03-28 12:26:46,906 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 25.73/16.61 [2019-03-28 12:26:46,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 25.73/16.61 [2019-03-28 12:26:46,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 25.73/16.61 [2019-03-28 12:26:46,907 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 25.73/16.61 [2019-03-28 12:26:46,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 25.73/16.61 [2019-03-28 12:26:46,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 25.73/16.61 [2019-03-28 12:26:46,909 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 25.73/16.61 [2019-03-28 12:26:46,925 INFO L110 SettingsManager]: Loading preferences was successful 25.73/16.61 [2019-03-28 12:26:46,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 25.73/16.61 [2019-03-28 12:26:46,926 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 25.73/16.61 [2019-03-28 12:26:46,926 INFO L133 SettingsManager]: * Rewrite not-equals=true 25.73/16.61 [2019-03-28 12:26:46,926 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 25.73/16.61 [2019-03-28 12:26:46,927 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 25.73/16.61 [2019-03-28 12:26:46,927 INFO L133 SettingsManager]: * Use SBE=true 25.73/16.61 [2019-03-28 12:26:46,927 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 25.73/16.61 [2019-03-28 12:26:46,927 INFO L133 SettingsManager]: * Use old map elimination=false 25.73/16.61 [2019-03-28 12:26:46,927 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 25.73/16.61 [2019-03-28 12:26:46,928 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 25.73/16.61 [2019-03-28 12:26:46,928 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 25.73/16.61 [2019-03-28 12:26:46,928 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 25.73/16.61 [2019-03-28 12:26:46,928 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 25.73/16.61 [2019-03-28 12:26:46,928 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:46,929 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 25.73/16.61 [2019-03-28 12:26:46,929 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 25.73/16.61 [2019-03-28 12:26:46,929 INFO L133 SettingsManager]: * Check division by zero=IGNORE 25.73/16.61 [2019-03-28 12:26:46,929 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 25.73/16.61 [2019-03-28 12:26:46,929 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 25.73/16.61 [2019-03-28 12:26:46,929 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 25.73/16.61 [2019-03-28 12:26:46,930 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 25.73/16.61 [2019-03-28 12:26:46,930 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 25.73/16.61 [2019-03-28 12:26:46,930 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 25.73/16.61 [2019-03-28 12:26:46,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 25.73/16.61 [2019-03-28 12:26:46,930 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 25.73/16.61 [2019-03-28 12:26:46,931 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 25.73/16.61 [2019-03-28 12:26:46,931 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 25.73/16.61 [2019-03-28 12:26:46,931 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 25.73/16.61 [2019-03-28 12:26:46,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 25.73/16.61 [2019-03-28 12:26:46,971 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 25.73/16.61 [2019-03-28 12:26:46,974 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 25.73/16.61 [2019-03-28 12:26:46,976 INFO L271 PluginConnector]: Initializing CDTParser... 25.73/16.61 [2019-03-28 12:26:46,976 INFO L276 PluginConnector]: CDTParser initialized 25.73/16.61 [2019-03-28 12:26:46,977 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 25.73/16.61 [2019-03-28 12:26:47,039 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/2b54bda3cb79483182f60145de719d0b/FLAG27753c626 25.73/16.61 [2019-03-28 12:26:47,385 INFO L307 CDTParser]: Found 1 translation units. 25.73/16.61 [2019-03-28 12:26:47,386 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 25.73/16.61 [2019-03-28 12:26:47,393 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/2b54bda3cb79483182f60145de719d0b/FLAG27753c626 25.73/16.61 [2019-03-28 12:26:47,793 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/2b54bda3cb79483182f60145de719d0b 25.73/16.61 [2019-03-28 12:26:47,804 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 25.73/16.61 [2019-03-28 12:26:47,806 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 25.73/16.61 [2019-03-28 12:26:47,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 25.73/16.61 [2019-03-28 12:26:47,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 25.73/16.61 [2019-03-28 12:26:47,810 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 25.73/16.61 [2019-03-28 12:26:47,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:26:47" (1/1) ... 25.73/16.61 [2019-03-28 12:26:47,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2111c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47, skipping insertion in model container 25.73/16.61 [2019-03-28 12:26:47,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:26:47" (1/1) ... 25.73/16.61 [2019-03-28 12:26:47,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 25.73/16.61 [2019-03-28 12:26:47,839 INFO L176 MainTranslator]: Built tables and reachable declarations 25.73/16.61 [2019-03-28 12:26:47,996 INFO L206 PostProcessor]: Analyzing one entry point: main 25.73/16.61 [2019-03-28 12:26:48,001 INFO L191 MainTranslator]: Completed pre-run 25.73/16.61 [2019-03-28 12:26:48,018 INFO L206 PostProcessor]: Analyzing one entry point: main 25.73/16.61 [2019-03-28 12:26:48,094 INFO L195 MainTranslator]: Completed translation 25.73/16.61 [2019-03-28 12:26:48,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48 WrapperNode 25.73/16.61 [2019-03-28 12:26:48,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 25.73/16.61 [2019-03-28 12:26:48,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 25.73/16.61 [2019-03-28 12:26:48,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 25.73/16.61 [2019-03-28 12:26:48,096 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 25.73/16.61 [2019-03-28 12:26:48,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (1/1) ... 25.73/16.61 [2019-03-28 12:26:48,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (1/1) ... 25.73/16.61 [2019-03-28 12:26:48,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 25.73/16.61 [2019-03-28 12:26:48,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 25.73/16.61 [2019-03-28 12:26:48,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 25.73/16.61 [2019-03-28 12:26:48,134 INFO L276 PluginConnector]: Boogie Preprocessor initialized 25.73/16.61 [2019-03-28 12:26:48,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (1/1) ... 25.73/16.61 [2019-03-28 12:26:48,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (1/1) ... 25.73/16.61 [2019-03-28 12:26:48,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (1/1) ... 25.73/16.61 [2019-03-28 12:26:48,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (1/1) ... 25.73/16.61 [2019-03-28 12:26:48,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (1/1) ... 25.73/16.61 [2019-03-28 12:26:48,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (1/1) ... 25.73/16.61 [2019-03-28 12:26:48,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (1/1) ... 25.73/16.61 [2019-03-28 12:26:48,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 25.73/16.61 [2019-03-28 12:26:48,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 25.73/16.61 [2019-03-28 12:26:48,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... 25.73/16.61 [2019-03-28 12:26:48,154 INFO L276 PluginConnector]: RCFGBuilder initialized 25.73/16.61 [2019-03-28 12:26:48,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (1/1) ... 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 25.73/16.61 [2019-03-28 12:26:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 25.73/16.61 [2019-03-28 12:26:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 25.73/16.61 [2019-03-28 12:26:48,374 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 25.73/16.61 [2019-03-28 12:26:48,375 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 25.73/16.61 [2019-03-28 12:26:48,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:48 BoogieIcfgContainer 25.73/16.61 [2019-03-28 12:26:48,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 25.73/16.61 [2019-03-28 12:26:48,377 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 25.73/16.61 [2019-03-28 12:26:48,377 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 25.73/16.61 [2019-03-28 12:26:48,379 INFO L276 PluginConnector]: BlockEncodingV2 initialized 25.73/16.61 [2019-03-28 12:26:48,380 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:48" (1/1) ... 25.73/16.61 [2019-03-28 12:26:48,396 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 25.73/16.61 [2019-03-28 12:26:48,397 INFO L258 BlockEncoder]: Using Remove infeasible edges 25.73/16.61 [2019-03-28 12:26:48,398 INFO L263 BlockEncoder]: Using Maximize final states 25.73/16.61 [2019-03-28 12:26:48,399 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 25.73/16.61 [2019-03-28 12:26:48,399 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 25.73/16.61 [2019-03-28 12:26:48,401 INFO L296 BlockEncoder]: Using Remove sink states 25.73/16.61 [2019-03-28 12:26:48,402 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 25.73/16.61 [2019-03-28 12:26:48,402 INFO L179 BlockEncoder]: Using Rewrite not-equals 25.73/16.61 [2019-03-28 12:26:48,418 INFO L185 BlockEncoder]: Using Use SBE 25.73/16.61 [2019-03-28 12:26:48,433 INFO L200 BlockEncoder]: SBE split 2 edges 25.73/16.61 [2019-03-28 12:26:48,438 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 25.73/16.61 [2019-03-28 12:26:48,440 INFO L71 MaximizeFinalStates]: 0 new accepting states 25.73/16.61 [2019-03-28 12:26:48,451 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 25.73/16.61 [2019-03-28 12:26:48,453 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states 25.73/16.61 [2019-03-28 12:26:48,454 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 25.73/16.61 [2019-03-28 12:26:48,454 INFO L71 MaximizeFinalStates]: 0 new accepting states 25.73/16.61 [2019-03-28 12:26:48,459 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 25.73/16.61 [2019-03-28 12:26:48,460 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 25.73/16.61 [2019-03-28 12:26:48,460 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 25.73/16.61 [2019-03-28 12:26:48,460 INFO L71 MaximizeFinalStates]: 0 new accepting states 25.73/16.61 [2019-03-28 12:26:48,460 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 25.73/16.61 [2019-03-28 12:26:48,461 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 25.73/16.61 [2019-03-28 12:26:48,461 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 3 edges 25.73/16.61 [2019-03-28 12:26:48,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:26:48 BasicIcfg 25.73/16.61 [2019-03-28 12:26:48,462 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 25.73/16.61 [2019-03-28 12:26:48,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 25.73/16.61 [2019-03-28 12:26:48,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... 25.73/16.61 [2019-03-28 12:26:48,466 INFO L276 PluginConnector]: TraceAbstraction initialized 25.73/16.61 [2019-03-28 12:26:48,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:26:47" (1/4) ... 25.73/16.61 [2019-03-28 12:26:48,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a729d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:26:48, skipping insertion in model container 25.73/16.61 [2019-03-28 12:26:48,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (2/4) ... 25.73/16.61 [2019-03-28 12:26:48,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a729d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:26:48, skipping insertion in model container 25.73/16.61 [2019-03-28 12:26:48,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:48" (3/4) ... 25.73/16.61 [2019-03-28 12:26:48,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a729d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:26:48, skipping insertion in model container 25.73/16.61 [2019-03-28 12:26:48,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:26:48" (4/4) ... 25.73/16.61 [2019-03-28 12:26:48,471 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 25.73/16.61 [2019-03-28 12:26:48,481 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 25.73/16.61 [2019-03-28 12:26:48,489 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 25.73/16.61 [2019-03-28 12:26:48,507 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 25.73/16.61 [2019-03-28 12:26:48,535 INFO L133 ementStrategyFactory]: Using default assertion order modulation 25.73/16.61 [2019-03-28 12:26:48,536 INFO L382 AbstractCegarLoop]: Interprodecural is true 25.73/16.61 [2019-03-28 12:26:48,536 INFO L383 AbstractCegarLoop]: Hoare is true 25.73/16.61 [2019-03-28 12:26:48,536 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 25.73/16.61 [2019-03-28 12:26:48,536 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 25.73/16.61 [2019-03-28 12:26:48,537 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 25.73/16.61 [2019-03-28 12:26:48,537 INFO L387 AbstractCegarLoop]: Difference is false 25.73/16.61 [2019-03-28 12:26:48,537 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 25.73/16.61 [2019-03-28 12:26:48,537 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 25.73/16.61 [2019-03-28 12:26:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 25.73/16.61 [2019-03-28 12:26:48,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 25.73/16.61 [2019-03-28 12:26:48,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 25.73/16.61 [2019-03-28 12:26:48,610 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 25.73/16.61 [2019-03-28 12:26:48,610 INFO L451 ceAbstractionStarter]: At program point L21-2(lines 21 24) the Hoare annotation is: true 25.73/16.61 [2019-03-28 12:26:48,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:26:48 BasicIcfg 25.73/16.61 [2019-03-28 12:26:48,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 25.73/16.61 [2019-03-28 12:26:48,619 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 25.73/16.61 [2019-03-28 12:26:48,620 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 25.73/16.61 [2019-03-28 12:26:48,623 INFO L276 PluginConnector]: BuchiAutomizer initialized 25.73/16.61 [2019-03-28 12:26:48,624 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.73/16.61 [2019-03-28 12:26:48,624 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:26:47" (1/5) ... 25.73/16.61 [2019-03-28 12:26:48,625 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b105279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:26:48, skipping insertion in model container 25.73/16.61 [2019-03-28 12:26:48,625 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.73/16.61 [2019-03-28 12:26:48,625 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:48" (2/5) ... 25.73/16.61 [2019-03-28 12:26:48,625 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b105279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:26:48, skipping insertion in model container 25.73/16.61 [2019-03-28 12:26:48,625 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.73/16.61 [2019-03-28 12:26:48,626 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:48" (3/5) ... 25.73/16.61 [2019-03-28 12:26:48,626 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b105279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:26:48, skipping insertion in model container 25.73/16.61 [2019-03-28 12:26:48,626 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.73/16.61 [2019-03-28 12:26:48,626 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:26:48" (4/5) ... 25.73/16.61 [2019-03-28 12:26:48,627 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b105279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:26:48, skipping insertion in model container 25.73/16.61 [2019-03-28 12:26:48,627 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.73/16.61 [2019-03-28 12:26:48,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:26:48" (5/5) ... 25.73/16.61 [2019-03-28 12:26:48,629 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 25.73/16.61 [2019-03-28 12:26:48,659 INFO L133 ementStrategyFactory]: Using default assertion order modulation 25.73/16.61 [2019-03-28 12:26:48,659 INFO L374 BuchiCegarLoop]: Interprodecural is true 25.73/16.61 [2019-03-28 12:26:48,659 INFO L375 BuchiCegarLoop]: Hoare is true 25.73/16.61 [2019-03-28 12:26:48,660 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 25.73/16.61 [2019-03-28 12:26:48,660 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 25.73/16.61 [2019-03-28 12:26:48,660 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 25.73/16.61 [2019-03-28 12:26:48,660 INFO L379 BuchiCegarLoop]: Difference is false 25.73/16.61 [2019-03-28 12:26:48,660 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 25.73/16.61 [2019-03-28 12:26:48,660 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 25.73/16.61 [2019-03-28 12:26:48,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 25.73/16.61 [2019-03-28 12:26:48,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 25.73/16.61 [2019-03-28 12:26:48,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 25.73/16.61 [2019-03-28 12:26:48,681 INFO L119 BuchiIsEmpty]: Starting construction of run 25.73/16.61 [2019-03-28 12:26:48,686 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 25.73/16.61 [2019-03-28 12:26:48,686 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 25.73/16.61 [2019-03-28 12:26:48,686 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 25.73/16.61 [2019-03-28 12:26:48,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 25.73/16.61 [2019-03-28 12:26:48,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 25.73/16.61 [2019-03-28 12:26:48,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 25.73/16.61 [2019-03-28 12:26:48,687 INFO L119 BuchiIsEmpty]: Starting construction of run 25.73/16.61 [2019-03-28 12:26:48,687 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 25.73/16.61 [2019-03-28 12:26:48,688 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 25.73/16.61 [2019-03-28 12:26:48,693 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [40] ULTIMATE.startENTRY-->L21-2: Formula: (= v_ULTIMATE.start_main_~a~0_7 v_ULTIMATE.start_main_~b~0_7) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~x~0] 4#L21-2true 25.73/16.61 [2019-03-28 12:26:48,693 INFO L796 eck$LassoCheckResult]: Loop: 4#L21-2true [36] L21-2-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~b~0_6 (* (- 1) v_ULTIMATE.start_main_~a~0_6) v_ULTIMATE.start_main_~y~0_6 (- 1))) (= v_ULTIMATE.start_main_~x~0_5 (+ (* (- 1) v_ULTIMATE.start_main_~b~0_6) v_ULTIMATE.start_main_~a~0_6 v_ULTIMATE.start_main_~x~0_6 (- 1))) (<= 0 v_ULTIMATE.start_main_~y~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L21-2true 25.73/16.61 [2019-03-28 12:26:48,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.73/16.61 [2019-03-28 12:26:48,699 INFO L82 PathProgramCache]: Analyzing trace with hash 71, now seen corresponding path program 1 times 25.73/16.61 [2019-03-28 12:26:48,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.73/16.61 [2019-03-28 12:26:48,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.73/16.61 [2019-03-28 12:26:48,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:48,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:48,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:48,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.73/16.61 [2019-03-28 12:26:48,767 INFO L82 PathProgramCache]: Analyzing trace with hash 67, now seen corresponding path program 1 times 25.73/16.61 [2019-03-28 12:26:48,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.73/16.61 [2019-03-28 12:26:48,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.73/16.61 [2019-03-28 12:26:48,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:48,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:48,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:48,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.73/16.61 [2019-03-28 12:26:48,789 INFO L82 PathProgramCache]: Analyzing trace with hash 2237, now seen corresponding path program 1 times 25.73/16.61 [2019-03-28 12:26:48,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.73/16.61 [2019-03-28 12:26:48,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.73/16.61 [2019-03-28 12:26:48,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:48,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:48,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:48,846 INFO L216 LassoAnalysis]: Preferences: 25.73/16.61 [2019-03-28 12:26:48,848 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.73/16.61 [2019-03-28 12:26:48,848 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.73/16.61 [2019-03-28 12:26:48,848 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.73/16.61 [2019-03-28 12:26:48,848 INFO L127 ssoRankerPreferences]: Use exernal solver: true 25.73/16.61 [2019-03-28 12:26:48,848 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:48,849 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.73/16.61 [2019-03-28 12:26:48,849 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.73/16.61 [2019-03-28 12:26:48,849 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 25.73/16.61 [2019-03-28 12:26:48,849 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.73/16.61 [2019-03-28 12:26:48,849 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.73/16.61 [2019-03-28 12:26:48,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:48,935 INFO L300 LassoAnalysis]: Preprocessing complete. 25.73/16.61 [2019-03-28 12:26:48,936 INFO L412 LassoAnalysis]: Checking for nontermination... 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:48,944 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:48,944 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:48,982 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:48,982 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 [2019-03-28 12:26:49,408 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.73/16.61 [2019-03-28 12:26:49,408 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~b~0=-7} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-8, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~b~0=-7} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=4, ULTIMATE.start_main_~x~0=-6, ULTIMATE.start_main_~b~0=4}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~b~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-4, ULTIMATE.start_main_~x~0=4, ULTIMATE.start_main_~b~0=-4}] Lambdas: [1, 15, 1] Nus: [0, 0] 25.73/16.61 [2019-03-28 12:26:49,460 INFO L216 LassoAnalysis]: Preferences: 25.73/16.61 [2019-03-28 12:26:49,460 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.73/16.61 [2019-03-28 12:26:49,461 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.73/16.61 [2019-03-28 12:26:49,461 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.73/16.61 [2019-03-28 12:26:49,461 INFO L127 ssoRankerPreferences]: Use exernal solver: true 25.73/16.61 [2019-03-28 12:26:49,461 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:49,461 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.73/16.61 [2019-03-28 12:26:49,461 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.73/16.61 [2019-03-28 12:26:49,461 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 25.73/16.61 [2019-03-28 12:26:49,462 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.73/16.61 [2019-03-28 12:26:49,462 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.73/16.61 [2019-03-28 12:26:49,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:49,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:49,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:49,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:49,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:49,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:49,566 INFO L300 LassoAnalysis]: Preprocessing complete. 25.73/16.61 [2019-03-28 12:26:49,567 INFO L412 LassoAnalysis]: Checking for nontermination... 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:49,574 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:49,574 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 [2019-03-28 12:26:49,579 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.73/16.61 [2019-03-28 12:26:49,579 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:49,608 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:49,608 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 [2019-03-28 12:26:49,612 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.73/16.61 [2019-03-28 12:26:49,613 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:49,640 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:49,640 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 [2019-03-28 12:26:49,644 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.73/16.61 [2019-03-28 12:26:49,644 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:49,671 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:49,672 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 [2019-03-28 12:26:49,675 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.73/16.61 [2019-03-28 12:26:49,676 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:49,704 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:49,704 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 [2019-03-28 12:26:49,708 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.73/16.61 [2019-03-28 12:26:49,708 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:49,736 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:49,736 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:49,773 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:49,774 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 [2019-03-28 12:26:52,360 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 25.73/16.61 [2019-03-28 12:26:52,364 INFO L216 LassoAnalysis]: Preferences: 25.73/16.61 [2019-03-28 12:26:52,364 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.73/16.61 [2019-03-28 12:26:52,365 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.73/16.61 [2019-03-28 12:26:52,365 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.73/16.61 [2019-03-28 12:26:52,365 INFO L127 ssoRankerPreferences]: Use exernal solver: false 25.73/16.61 [2019-03-28 12:26:52,365 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:52,365 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.73/16.61 [2019-03-28 12:26:52,365 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.73/16.61 [2019-03-28 12:26:52,365 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 25.73/16.61 [2019-03-28 12:26:52,366 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.73/16.61 [2019-03-28 12:26:52,366 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.73/16.61 [2019-03-28 12:26:52,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:52,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:52,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:52,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:52,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:52,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:52,451 INFO L300 LassoAnalysis]: Preprocessing complete. 25.73/16.61 [2019-03-28 12:26:52,457 INFO L497 LassoAnalysis]: Using template 'affine'. 25.73/16.61 [2019-03-28 12:26:52,459 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.73/16.61 Termination analysis: LINEAR_WITH_GUESSES 25.73/16.61 Number of strict supporting invariants: 0 25.73/16.61 Number of non-strict supporting invariants: 1 25.73/16.61 Consider only non-deceasing supporting invariants: true 25.73/16.61 Simplify termination arguments: true 25.73/16.61 Simplify supporting invariants: trueOverapproximate stem: false 25.73/16.61 [2019-03-28 12:26:52,460 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.73/16.61 [2019-03-28 12:26:52,460 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 25.73/16.61 [2019-03-28 12:26:52,461 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.73/16.61 [2019-03-28 12:26:52,461 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.73/16.61 [2019-03-28 12:26:52,461 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.73/16.61 [2019-03-28 12:26:52,463 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 25.73/16.61 [2019-03-28 12:26:52,463 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 25.73/16.61 [2019-03-28 12:26:52,467 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.73/16.61 [2019-03-28 12:26:52,467 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.73/16.61 Termination analysis: LINEAR_WITH_GUESSES 25.73/16.61 Number of strict supporting invariants: 0 25.73/16.61 Number of non-strict supporting invariants: 1 25.73/16.61 Consider only non-deceasing supporting invariants: true 25.73/16.61 Simplify termination arguments: true 25.73/16.61 Simplify supporting invariants: trueOverapproximate stem: false 25.73/16.61 [2019-03-28 12:26:52,468 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.73/16.61 [2019-03-28 12:26:52,468 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 25.73/16.61 [2019-03-28 12:26:52,468 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.73/16.61 [2019-03-28 12:26:52,468 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.73/16.61 [2019-03-28 12:26:52,468 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.73/16.61 [2019-03-28 12:26:52,469 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 25.73/16.61 [2019-03-28 12:26:52,469 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 25.73/16.61 [2019-03-28 12:26:52,470 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.73/16.61 [2019-03-28 12:26:52,471 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.73/16.61 Termination analysis: LINEAR_WITH_GUESSES 25.73/16.61 Number of strict supporting invariants: 0 25.73/16.61 Number of non-strict supporting invariants: 1 25.73/16.61 Consider only non-deceasing supporting invariants: true 25.73/16.61 Simplify termination arguments: true 25.73/16.61 Simplify supporting invariants: trueOverapproximate stem: false 25.73/16.61 [2019-03-28 12:26:52,471 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.73/16.61 [2019-03-28 12:26:52,471 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 25.73/16.61 [2019-03-28 12:26:52,471 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.73/16.61 [2019-03-28 12:26:52,472 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.73/16.61 [2019-03-28 12:26:52,472 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.73/16.61 [2019-03-28 12:26:52,472 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 25.73/16.61 [2019-03-28 12:26:52,473 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 25.73/16.61 [2019-03-28 12:26:52,474 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.73/16.61 [2019-03-28 12:26:52,474 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.73/16.61 Termination analysis: LINEAR_WITH_GUESSES 25.73/16.61 Number of strict supporting invariants: 0 25.73/16.61 Number of non-strict supporting invariants: 1 25.73/16.61 Consider only non-deceasing supporting invariants: true 25.73/16.61 Simplify termination arguments: true 25.73/16.61 Simplify supporting invariants: trueOverapproximate stem: false 25.73/16.61 [2019-03-28 12:26:52,474 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.73/16.61 [2019-03-28 12:26:52,475 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 25.73/16.61 [2019-03-28 12:26:52,475 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.73/16.61 [2019-03-28 12:26:52,475 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.73/16.61 [2019-03-28 12:26:52,475 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.73/16.61 [2019-03-28 12:26:52,476 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 25.73/16.61 [2019-03-28 12:26:52,476 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 25.73/16.61 [2019-03-28 12:26:52,477 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.73/16.61 [2019-03-28 12:26:52,477 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.73/16.61 Termination analysis: LINEAR_WITH_GUESSES 25.73/16.61 Number of strict supporting invariants: 0 25.73/16.61 Number of non-strict supporting invariants: 1 25.73/16.61 Consider only non-deceasing supporting invariants: true 25.73/16.61 Simplify termination arguments: true 25.73/16.61 Simplify supporting invariants: trueOverapproximate stem: false 25.73/16.61 [2019-03-28 12:26:52,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.73/16.61 [2019-03-28 12:26:52,478 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 25.73/16.61 [2019-03-28 12:26:52,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.73/16.61 [2019-03-28 12:26:52,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.73/16.61 [2019-03-28 12:26:52,478 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.73/16.61 [2019-03-28 12:26:52,479 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 25.73/16.61 [2019-03-28 12:26:52,479 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 25.73/16.61 [2019-03-28 12:26:52,480 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.73/16.61 [2019-03-28 12:26:52,480 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.73/16.61 Termination analysis: LINEAR_WITH_GUESSES 25.73/16.61 Number of strict supporting invariants: 0 25.73/16.61 Number of non-strict supporting invariants: 1 25.73/16.61 Consider only non-deceasing supporting invariants: true 25.73/16.61 Simplify termination arguments: true 25.73/16.61 Simplify supporting invariants: trueOverapproximate stem: false 25.73/16.61 [2019-03-28 12:26:52,481 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.73/16.61 [2019-03-28 12:26:52,481 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.73/16.61 [2019-03-28 12:26:52,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.73/16.61 [2019-03-28 12:26:52,481 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.73/16.61 [2019-03-28 12:26:52,487 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 25.73/16.61 [2019-03-28 12:26:52,487 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 25.73/16.61 [2019-03-28 12:26:52,551 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 25.73/16.61 [2019-03-28 12:26:52,567 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 25.73/16.61 [2019-03-28 12:26:52,567 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. 25.73/16.61 [2019-03-28 12:26:52,570 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 25.73/16.61 [2019-03-28 12:26:52,573 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 25.73/16.61 [2019-03-28 12:26:52,574 INFO L518 LassoAnalysis]: Proved termination. 25.73/16.61 [2019-03-28 12:26:52,574 INFO L520 LassoAnalysis]: Termination argument consisting of: 25.73/16.61 Ranking function f(ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~y~0 + 1 25.73/16.61 Supporting invariants [-1*ULTIMATE.start_main_~b~0 + 1*ULTIMATE.start_main_~a~0 >= 0] 25.73/16.61 [2019-03-28 12:26:52,578 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 25.73/16.61 [2019-03-28 12:26:52,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.73/16.61 [2019-03-28 12:26:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.73/16.61 [2019-03-28 12:26:52,634 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 3 conjunts are in the unsatisfiable core 25.73/16.61 [2019-03-28 12:26:52,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.73/16.61 [2019-03-28 12:26:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.73/16.61 [2019-03-28 12:26:52,646 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 25.73/16.61 [2019-03-28 12:26:52,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.73/16.61 [2019-03-28 12:26:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 25.73/16.61 [2019-03-28 12:26:52,684 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 25.73/16.61 [2019-03-28 12:26:52,689 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 25.73/16.61 [2019-03-28 12:26:52,690 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 25.73/16.61 [2019-03-28 12:26:52,758 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 6 states and 11 transitions. Complement of second has 4 states. 25.73/16.61 [2019-03-28 12:26:52,758 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 25.73/16.61 [2019-03-28 12:26:52,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 25.73/16.61 [2019-03-28 12:26:52,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 25.73/16.61 [2019-03-28 12:26:52,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 1 letters. 25.73/16.61 [2019-03-28 12:26:52,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.73/16.61 [2019-03-28 12:26:52,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. 25.73/16.61 [2019-03-28 12:26:52,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.73/16.61 [2019-03-28 12:26:52,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 25.73/16.61 [2019-03-28 12:26:52,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.73/16.61 [2019-03-28 12:26:52,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 11 transitions. 25.73/16.61 [2019-03-28 12:26:52,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 25.73/16.61 [2019-03-28 12:26:52,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 11 transitions. 25.73/16.61 [2019-03-28 12:26:52,778 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 25.73/16.61 [2019-03-28 12:26:52,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 25.73/16.61 [2019-03-28 12:26:52,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 11 transitions. 25.73/16.61 [2019-03-28 12:26:52,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 25.73/16.61 [2019-03-28 12:26:52,780 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 11 transitions. 25.73/16.61 [2019-03-28 12:26:52,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 11 transitions. 25.73/16.61 [2019-03-28 12:26:52,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 25.73/16.61 [2019-03-28 12:26:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 25.73/16.61 [2019-03-28 12:26:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. 25.73/16.61 [2019-03-28 12:26:52,812 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 10 transitions. 25.73/16.61 [2019-03-28 12:26:52,812 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 10 transitions. 25.73/16.61 [2019-03-28 12:26:52,813 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 25.73/16.61 [2019-03-28 12:26:52,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 10 transitions. 25.73/16.61 [2019-03-28 12:26:52,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 25.73/16.61 [2019-03-28 12:26:52,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 25.73/16.61 [2019-03-28 12:26:52,814 INFO L119 BuchiIsEmpty]: Starting construction of run 25.73/16.61 [2019-03-28 12:26:52,814 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 25.73/16.61 [2019-03-28 12:26:52,814 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 25.73/16.61 [2019-03-28 12:26:52,815 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY [40] ULTIMATE.startENTRY-->L21-2: Formula: (= v_ULTIMATE.start_main_~a~0_7 v_ULTIMATE.start_main_~b~0_7) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_7|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~a~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~b~0, ULTIMATE.start_main_~x~0] 47#L21-2 [37] L21-2-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~b~0_6 (* (- 1) v_ULTIMATE.start_main_~a~0_6) v_ULTIMATE.start_main_~y~0_6 (- 1))) (= v_ULTIMATE.start_main_~x~0_5 (+ (* (- 1) v_ULTIMATE.start_main_~b~0_6) v_ULTIMATE.start_main_~a~0_6 v_ULTIMATE.start_main_~x~0_6 (- 1))) (<= 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 48#L21-2 25.73/16.61 [2019-03-28 12:26:52,815 INFO L796 eck$LassoCheckResult]: Loop: 48#L21-2 [37] L21-2-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_5 (+ v_ULTIMATE.start_main_~b~0_6 (* (- 1) v_ULTIMATE.start_main_~a~0_6) v_ULTIMATE.start_main_~y~0_6 (- 1))) (= v_ULTIMATE.start_main_~x~0_5 (+ (* (- 1) v_ULTIMATE.start_main_~b~0_6) v_ULTIMATE.start_main_~a~0_6 v_ULTIMATE.start_main_~x~0_6 (- 1))) (<= 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~a~0=v_ULTIMATE.start_main_~a~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_~b~0=v_ULTIMATE.start_main_~b~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 48#L21-2 25.73/16.61 [2019-03-28 12:26:52,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.73/16.61 [2019-03-28 12:26:52,815 INFO L82 PathProgramCache]: Analyzing trace with hash 2238, now seen corresponding path program 1 times 25.73/16.61 [2019-03-28 12:26:52,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.73/16.61 [2019-03-28 12:26:52,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.73/16.61 [2019-03-28 12:26:52,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:52,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:52,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:52,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.73/16.61 [2019-03-28 12:26:52,827 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times 25.73/16.61 [2019-03-28 12:26:52,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.73/16.61 [2019-03-28 12:26:52,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.73/16.61 [2019-03-28 12:26:52,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:52,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:52,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:52,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.73/16.61 [2019-03-28 12:26:52,835 INFO L82 PathProgramCache]: Analyzing trace with hash 69415, now seen corresponding path program 2 times 25.73/16.61 [2019-03-28 12:26:52,835 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.73/16.61 [2019-03-28 12:26:52,835 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.73/16.61 [2019-03-28 12:26:52,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:52,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:52,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.73/16.61 [2019-03-28 12:26:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.73/16.61 [2019-03-28 12:26:52,874 INFO L216 LassoAnalysis]: Preferences: 25.73/16.61 [2019-03-28 12:26:52,875 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.73/16.61 [2019-03-28 12:26:52,875 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.73/16.61 [2019-03-28 12:26:52,875 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.73/16.61 [2019-03-28 12:26:52,875 INFO L127 ssoRankerPreferences]: Use exernal solver: true 25.73/16.61 [2019-03-28 12:26:52,875 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:52,875 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.73/16.61 [2019-03-28 12:26:52,876 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.73/16.61 [2019-03-28 12:26:52,876 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 25.73/16.61 [2019-03-28 12:26:52,876 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.73/16.61 [2019-03-28 12:26:52,876 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.73/16.61 [2019-03-28 12:26:52,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:52,915 INFO L300 LassoAnalysis]: Preprocessing complete. 25.73/16.61 [2019-03-28 12:26:52,915 INFO L412 LassoAnalysis]: Checking for nontermination... 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:52,919 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:52,920 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:52,958 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:52,958 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 [2019-03-28 12:26:53,517 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.73/16.61 [2019-03-28 12:26:53,518 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-2, ULTIMATE.start_main_~b~0=-6, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~a~0=-2, ULTIMATE.start_main_~b~0=-6, ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-8, ULTIMATE.start_main_~a~0=3, ULTIMATE.start_main_~b~0=3, ULTIMATE.start_main_~x~0=3}, {ULTIMATE.start_main_~y~0=-1, ULTIMATE.start_main_~a~0=1, ULTIMATE.start_main_~b~0=1, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=4, ULTIMATE.start_main_~a~0=-4, ULTIMATE.start_main_~b~0=-4, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 5, 1] Nus: [0, 1] 25.73/16.61 [2019-03-28 12:26:53,565 INFO L216 LassoAnalysis]: Preferences: 25.73/16.61 [2019-03-28 12:26:53,566 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.73/16.61 [2019-03-28 12:26:53,566 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.73/16.61 [2019-03-28 12:26:53,566 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.73/16.61 [2019-03-28 12:26:53,566 INFO L127 ssoRankerPreferences]: Use exernal solver: true 25.73/16.61 [2019-03-28 12:26:53,566 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:53,566 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.73/16.61 [2019-03-28 12:26:53,566 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.73/16.61 [2019-03-28 12:26:53,567 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 25.73/16.61 [2019-03-28 12:26:53,567 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.73/16.61 [2019-03-28 12:26:53,567 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.73/16.61 [2019-03-28 12:26:53,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:53,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:53,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:53,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:53,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:53,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:53,648 INFO L300 LassoAnalysis]: Preprocessing complete. 25.73/16.61 [2019-03-28 12:26:53,648 INFO L412 LassoAnalysis]: Checking for nontermination... 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:53,652 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:53,652 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 25.73/16.61 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.73/16.61 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:53,687 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 25.73/16.61 [2019-03-28 12:26:53,687 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.73/16.61 [2019-03-28 12:26:59,605 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 25.73/16.61 [2019-03-28 12:26:59,610 INFO L216 LassoAnalysis]: Preferences: 25.73/16.61 [2019-03-28 12:26:59,610 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.73/16.61 [2019-03-28 12:26:59,611 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.73/16.61 [2019-03-28 12:26:59,611 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.73/16.61 [2019-03-28 12:26:59,611 INFO L127 ssoRankerPreferences]: Use exernal solver: false 25.73/16.61 [2019-03-28 12:26:59,612 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 25.73/16.61 [2019-03-28 12:26:59,612 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.73/16.61 [2019-03-28 12:26:59,612 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.73/16.61 [2019-03-28 12:26:59,612 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso 25.73/16.61 [2019-03-28 12:26:59,612 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.73/16.61 [2019-03-28 12:26:59,612 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.73/16.61 [2019-03-28 12:26:59,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:59,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:59,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:59,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:59,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:59,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.73/16.61 [2019-03-28 12:26:59,688 INFO L300 LassoAnalysis]: Preprocessing complete. 25.73/16.61 [2019-03-28 12:26:59,688 INFO L497 LassoAnalysis]: Using template 'affine'. 25.73/16.61 [2019-03-28 12:26:59,689 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.73/16.61 Termination analysis: LINEAR_WITH_GUESSES 25.73/16.61 Number of strict supporting invariants: 0 25.73/16.61 Number of non-strict supporting invariants: 1 25.73/16.61 Consider only non-deceasing supporting invariants: true 25.73/16.61 Simplify termination arguments: true 25.73/16.61 Simplify supporting invariants: trueOverapproximate stem: false 25.73/16.61 [2019-03-28 12:26:59,690 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.73/16.61 [2019-03-28 12:26:59,690 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.73/16.61 [2019-03-28 12:26:59,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.73/16.61 [2019-03-28 12:26:59,691 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.73/16.61 [2019-03-28 12:26:59,693 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 25.73/16.61 [2019-03-28 12:26:59,694 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 25.73/16.61 [2019-03-28 12:26:59,726 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 25.73/16.61 [2019-03-28 12:26:59,734 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 25.73/16.61 [2019-03-28 12:26:59,735 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. 25.73/16.61 [2019-03-28 12:26:59,735 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 25.73/16.61 [2019-03-28 12:26:59,737 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 25.73/16.61 [2019-03-28 12:26:59,738 INFO L518 LassoAnalysis]: Proved termination. 25.73/16.61 [2019-03-28 12:26:59,738 INFO L520 LassoAnalysis]: Termination argument consisting of: 25.73/16.61 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 25.73/16.61 Supporting invariants [1*ULTIMATE.start_main_~b~0 - 1*ULTIMATE.start_main_~a~0 >= 0] 25.73/16.61 [2019-03-28 12:26:59,743 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 25.73/16.61 [2019-03-28 12:26:59,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.73/16.61 [2019-03-28 12:26:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.73/16.61 [2019-03-28 12:26:59,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core 25.73/16.61 [2019-03-28 12:26:59,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.73/16.61 [2019-03-28 12:26:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.73/16.61 [2019-03-28 12:26:59,798 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 25.73/16.61 [2019-03-28 12:26:59,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.73/16.61 [2019-03-28 12:26:59,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 25.73/16.61 [2019-03-28 12:26:59,808 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 25.73/16.61 [2019-03-28 12:26:59,808 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates 25.73/16.61 [2019-03-28 12:26:59,809 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 10 transitions. cyclomatic complexity: 7 Second operand 3 states. 25.73/16.61 [2019-03-28 12:26:59,840 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 10 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 8 states and 16 transitions. Complement of second has 5 states. 25.73/16.61 [2019-03-28 12:26:59,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states 25.73/16.61 [2019-03-28 12:26:59,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 25.73/16.61 [2019-03-28 12:26:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. 25.73/16.61 [2019-03-28 12:26:59,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 1 letters. 25.73/16.61 [2019-03-28 12:26:59,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.73/16.61 [2019-03-28 12:26:59,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 1 letters. 25.73/16.61 [2019-03-28 12:26:59,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.73/16.61 [2019-03-28 12:26:59,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. 25.73/16.61 [2019-03-28 12:26:59,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.73/16.61 [2019-03-28 12:26:59,845 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 16 transitions. 25.73/16.61 [2019-03-28 12:26:59,846 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 25.73/16.61 [2019-03-28 12:26:59,846 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. 25.73/16.61 [2019-03-28 12:26:59,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 25.73/16.61 [2019-03-28 12:26:59,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 25.73/16.61 [2019-03-28 12:26:59,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 25.73/16.61 [2019-03-28 12:26:59,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 25.73/16.61 [2019-03-28 12:26:59,847 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 25.73/16.61 [2019-03-28 12:26:59,847 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 25.73/16.61 [2019-03-28 12:26:59,847 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 25.73/16.61 [2019-03-28 12:26:59,847 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 25.73/16.61 [2019-03-28 12:26:59,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 25.73/16.61 [2019-03-28 12:26:59,847 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 25.73/16.61 [2019-03-28 12:26:59,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 25.73/16.61 [2019-03-28 12:26:59,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:26:59 BasicIcfg 25.73/16.61 [2019-03-28 12:26:59,854 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 25.73/16.61 [2019-03-28 12:26:59,854 INFO L168 Benchmark]: Toolchain (without parser) took 12049.80 ms. Allocated memory is still 649.6 MB. Free memory was 560.3 MB in the beginning and 382.5 MB in the end (delta: 177.8 MB). Peak memory consumption was 177.8 MB. Max. memory is 50.3 GB. 25.73/16.61 [2019-03-28 12:26:59,856 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 25.73/16.61 [2019-03-28 12:26:59,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.29 ms. Allocated memory is still 649.6 MB. Free memory was 559.2 MB in the beginning and 617.4 MB in the end (delta: -58.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 25.73/16.61 [2019-03-28 12:26:59,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.08 ms. Allocated memory is still 649.6 MB. Free memory was 617.4 MB in the beginning and 616.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 25.73/16.61 [2019-03-28 12:26:59,857 INFO L168 Benchmark]: Boogie Preprocessor took 19.95 ms. Allocated memory is still 649.6 MB. Free memory was 616.3 MB in the beginning and 613.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 25.73/16.61 [2019-03-28 12:26:59,858 INFO L168 Benchmark]: RCFGBuilder took 222.56 ms. Allocated memory is still 649.6 MB. Free memory was 613.5 MB in the beginning and 599.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 50.3 GB. 25.73/16.61 [2019-03-28 12:26:59,859 INFO L168 Benchmark]: BlockEncodingV2 took 85.03 ms. Allocated memory is still 649.6 MB. Free memory was 599.8 MB in the beginning and 593.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 25.73/16.61 [2019-03-28 12:26:59,859 INFO L168 Benchmark]: TraceAbstraction took 155.95 ms. Allocated memory is still 649.6 MB. Free memory was 593.0 MB in the beginning and 584.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 25.73/16.61 [2019-03-28 12:26:59,860 INFO L168 Benchmark]: BuchiAutomizer took 11234.57 ms. Allocated memory is still 649.6 MB. Free memory was 583.2 MB in the beginning and 382.5 MB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 50.3 GB. 25.73/16.61 [2019-03-28 12:26:59,865 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 25.73/16.61 --- Results --- 25.73/16.61 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 25.73/16.61 - StatisticsResult: Initial Icfg 25.73/16.61 7 locations, 9 edges 25.73/16.61 - StatisticsResult: Encoded RCFG 25.73/16.61 2 locations, 3 edges 25.73/16.61 * Results from de.uni_freiburg.informatik.ultimate.core: 25.73/16.61 - StatisticsResult: Toolchain Benchmarks 25.73/16.61 Benchmark results are: 25.73/16.61 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 25.73/16.61 * CACSL2BoogieTranslator took 288.29 ms. Allocated memory is still 649.6 MB. Free memory was 559.2 MB in the beginning and 617.4 MB in the end (delta: -58.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 25.73/16.61 * Boogie Procedure Inliner took 38.08 ms. Allocated memory is still 649.6 MB. Free memory was 617.4 MB in the beginning and 616.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 25.73/16.61 * Boogie Preprocessor took 19.95 ms. Allocated memory is still 649.6 MB. Free memory was 616.3 MB in the beginning and 613.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 25.73/16.61 * RCFGBuilder took 222.56 ms. Allocated memory is still 649.6 MB. Free memory was 613.5 MB in the beginning and 599.8 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 50.3 GB. 25.73/16.61 * BlockEncodingV2 took 85.03 ms. Allocated memory is still 649.6 MB. Free memory was 599.8 MB in the beginning and 593.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 50.3 GB. 25.73/16.61 * TraceAbstraction took 155.95 ms. Allocated memory is still 649.6 MB. Free memory was 593.0 MB in the beginning and 584.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 25.73/16.61 * BuchiAutomizer took 11234.57 ms. Allocated memory is still 649.6 MB. Free memory was 583.2 MB in the beginning and 382.5 MB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 50.3 GB. 25.73/16.61 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 25.73/16.61 - AllSpecificationsHoldResult: All specifications hold 25.73/16.61 We were not able to verify any specifiation because the program does not contain any specification. 25.73/16.61 - InvariantResult [Line: 21]: Loop Invariant 25.73/16.61 Derived loop invariant: 1 25.73/16.61 - StatisticsResult: Ultimate Automizer benchmark data 25.73/16.61 CFG has 1 procedures, 2 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=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 25.73/16.61 - StatisticsResult: Constructed decomposition of program 25.73/16.61 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * x + 1 and consists of 4 locations. 25.73/16.61 - StatisticsResult: Timing statistics 25.73/16.61 BüchiAutomizer plugin needed 11.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 10.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf92 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq184 hnf94 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 93ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 9.6s 25.73/16.61 - TerminationAnalysisResult: Termination proven 25.73/16.61 Buchi Automizer proved that your program is terminating 25.73/16.61 RESULT: Ultimate proved your program to be correct! 25.73/16.61 !SESSION 2019-03-28 12:26:44.506 ----------------------------------------------- 25.73/16.61 eclipse.buildId=unknown 25.73/16.61 java.version=1.8.0_181 25.73/16.61 java.vendor=Oracle Corporation 25.73/16.61 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 25.73/16.61 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 25.73/16.61 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 25.73/16.61 25.73/16.61 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:27:00.101 25.73/16.61 !MESSAGE The workspace will exit with unsaved changes in this session. 25.73/16.61 Received shutdown request... 25.73/16.61 Ultimate: 25.73/16.61 GTK+ Version Check 25.73/16.61 EOF