23.76/14.03 YES 23.76/14.03 23.76/14.03 Ultimate: Cannot open display: 23.76/14.03 This is Ultimate 0.1.24-8dc7c08-m 23.76/14.03 [2019-03-28 12:15:30,863 INFO L170 SettingsManager]: Resetting all preferences to default values... 23.76/14.03 [2019-03-28 12:15:30,865 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 23.76/14.03 [2019-03-28 12:15:30,877 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 23.76/14.03 [2019-03-28 12:15:30,877 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 23.76/14.03 [2019-03-28 12:15:30,878 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 23.76/14.03 [2019-03-28 12:15:30,879 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 23.76/14.03 [2019-03-28 12:15:30,881 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 23.76/14.03 [2019-03-28 12:15:30,882 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 23.76/14.03 [2019-03-28 12:15:30,883 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 23.76/14.03 [2019-03-28 12:15:30,884 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 23.76/14.03 [2019-03-28 12:15:30,884 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 23.76/14.03 [2019-03-28 12:15:30,885 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 23.76/14.03 [2019-03-28 12:15:30,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 23.76/14.03 [2019-03-28 12:15:30,887 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 23.76/14.03 [2019-03-28 12:15:30,888 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 23.76/14.03 [2019-03-28 12:15:30,888 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 23.76/14.03 [2019-03-28 12:15:30,890 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 23.76/14.03 [2019-03-28 12:15:30,892 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 23.76/14.03 [2019-03-28 12:15:30,893 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 23.76/14.03 [2019-03-28 12:15:30,894 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 23.76/14.03 [2019-03-28 12:15:30,895 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 23.76/14.03 [2019-03-28 12:15:30,898 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 23.76/14.03 [2019-03-28 12:15:30,898 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 23.76/14.03 [2019-03-28 12:15:30,898 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 23.76/14.03 [2019-03-28 12:15:30,899 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 23.76/14.03 [2019-03-28 12:15:30,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 23.76/14.03 [2019-03-28 12:15:30,900 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 23.76/14.03 [2019-03-28 12:15:30,900 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 23.76/14.03 [2019-03-28 12:15:30,901 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 23.76/14.03 [2019-03-28 12:15:30,902 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 23.76/14.03 [2019-03-28 12:15:30,902 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 23.76/14.03 [2019-03-28 12:15:30,903 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 23.76/14.03 [2019-03-28 12:15:30,904 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 23.76/14.03 [2019-03-28 12:15:30,904 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 23.76/14.03 [2019-03-28 12:15:30,904 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 23.76/14.03 [2019-03-28 12:15:30,905 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 23.76/14.03 [2019-03-28 12:15:30,906 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 23.76/14.03 [2019-03-28 12:15:30,906 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 23.76/14.03 [2019-03-28 12:15:30,907 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 23.76/14.03 [2019-03-28 12:15:30,921 INFO L110 SettingsManager]: Loading preferences was successful 23.76/14.03 [2019-03-28 12:15:30,921 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 23.76/14.03 [2019-03-28 12:15:30,922 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 23.76/14.03 [2019-03-28 12:15:30,923 INFO L133 SettingsManager]: * Rewrite not-equals=true 23.76/14.03 [2019-03-28 12:15:30,923 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 23.76/14.03 [2019-03-28 12:15:30,923 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 23.76/14.03 [2019-03-28 12:15:30,923 INFO L133 SettingsManager]: * Use SBE=true 23.76/14.03 [2019-03-28 12:15:30,923 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 23.76/14.03 [2019-03-28 12:15:30,923 INFO L133 SettingsManager]: * Use old map elimination=false 23.76/14.03 [2019-03-28 12:15:30,924 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 23.76/14.03 [2019-03-28 12:15:30,924 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 23.76/14.03 [2019-03-28 12:15:30,924 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 23.76/14.03 [2019-03-28 12:15:30,924 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 23.76/14.03 [2019-03-28 12:15:30,924 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 23.76/14.03 [2019-03-28 12:15:30,924 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.76/14.03 [2019-03-28 12:15:30,925 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 23.76/14.03 [2019-03-28 12:15:30,925 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 23.76/14.03 [2019-03-28 12:15:30,925 INFO L133 SettingsManager]: * Check division by zero=IGNORE 23.76/14.03 [2019-03-28 12:15:30,925 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 23.76/14.03 [2019-03-28 12:15:30,925 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 23.76/14.03 [2019-03-28 12:15:30,926 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 23.76/14.03 [2019-03-28 12:15:30,926 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 23.76/14.03 [2019-03-28 12:15:30,926 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 23.76/14.03 [2019-03-28 12:15:30,926 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 23.76/14.03 [2019-03-28 12:15:30,926 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 23.76/14.03 [2019-03-28 12:15:30,926 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 23.76/14.03 [2019-03-28 12:15:30,927 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 23.76/14.03 [2019-03-28 12:15:30,927 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 23.76/14.03 [2019-03-28 12:15:30,927 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 23.76/14.03 [2019-03-28 12:15:30,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 23.76/14.03 [2019-03-28 12:15:30,965 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 23.76/14.03 [2019-03-28 12:15:30,969 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 23.76/14.03 [2019-03-28 12:15:30,970 INFO L271 PluginConnector]: Initializing CDTParser... 23.76/14.03 [2019-03-28 12:15:30,971 INFO L276 PluginConnector]: CDTParser initialized 23.76/14.03 [2019-03-28 12:15:30,972 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 23.76/14.03 [2019-03-28 12:15:31,042 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/7b7dcd746aaf45778294f049c2c54563/FLAGdc76453af 23.76/14.03 [2019-03-28 12:15:31,379 INFO L307 CDTParser]: Found 1 translation units. 23.76/14.03 [2019-03-28 12:15:31,380 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 23.76/14.03 [2019-03-28 12:15:31,386 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/7b7dcd746aaf45778294f049c2c54563/FLAGdc76453af 23.76/14.03 [2019-03-28 12:15:31,799 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/7b7dcd746aaf45778294f049c2c54563 23.76/14.03 [2019-03-28 12:15:31,810 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 23.76/14.03 [2019-03-28 12:15:31,812 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 23.76/14.03 [2019-03-28 12:15:31,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 23.76/14.03 [2019-03-28 12:15:31,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 23.76/14.03 [2019-03-28 12:15:31,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 23.76/14.03 [2019-03-28 12:15:31,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:15:31" (1/1) ... 23.76/14.03 [2019-03-28 12:15:31,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58aecdbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:31, skipping insertion in model container 23.76/14.03 [2019-03-28 12:15:31,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:15:31" (1/1) ... 23.76/14.03 [2019-03-28 12:15:31,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 23.76/14.03 [2019-03-28 12:15:31,847 INFO L176 MainTranslator]: Built tables and reachable declarations 23.76/14.03 [2019-03-28 12:15:32,008 INFO L206 PostProcessor]: Analyzing one entry point: main 23.76/14.03 [2019-03-28 12:15:32,013 INFO L191 MainTranslator]: Completed pre-run 23.76/14.03 [2019-03-28 12:15:32,031 INFO L206 PostProcessor]: Analyzing one entry point: main 23.76/14.03 [2019-03-28 12:15:32,109 INFO L195 MainTranslator]: Completed translation 23.76/14.03 [2019-03-28 12:15:32,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32 WrapperNode 23.76/14.03 [2019-03-28 12:15:32,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 23.76/14.03 [2019-03-28 12:15:32,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 23.76/14.03 [2019-03-28 12:15:32,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 23.76/14.03 [2019-03-28 12:15:32,111 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 23.76/14.03 [2019-03-28 12:15:32,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (1/1) ... 23.76/14.03 [2019-03-28 12:15:32,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (1/1) ... 23.76/14.03 [2019-03-28 12:15:32,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 23.76/14.03 [2019-03-28 12:15:32,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 23.76/14.03 [2019-03-28 12:15:32,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 23.76/14.03 [2019-03-28 12:15:32,149 INFO L276 PluginConnector]: Boogie Preprocessor initialized 23.76/14.03 [2019-03-28 12:15:32,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (1/1) ... 23.76/14.03 [2019-03-28 12:15:32,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (1/1) ... 23.76/14.03 [2019-03-28 12:15:32,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (1/1) ... 23.76/14.03 [2019-03-28 12:15:32,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (1/1) ... 23.76/14.03 [2019-03-28 12:15:32,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (1/1) ... 23.76/14.03 [2019-03-28 12:15:32,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (1/1) ... 23.76/14.03 [2019-03-28 12:15:32,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (1/1) ... 23.76/14.03 [2019-03-28 12:15:32,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 23.76/14.03 [2019-03-28 12:15:32,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 23.76/14.03 [2019-03-28 12:15:32,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... 23.76/14.03 [2019-03-28 12:15:32,168 INFO L276 PluginConnector]: RCFGBuilder initialized 23.76/14.03 [2019-03-28 12:15:32,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (1/1) ... 23.76/14.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 23.76/14.03 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 23.76/14.03 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 23.76/14.03 [2019-03-28 12:15:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure gcd 23.76/14.03 [2019-03-28 12:15:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd 23.76/14.03 [2019-03-28 12:15:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 23.76/14.03 [2019-03-28 12:15:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 23.76/14.03 [2019-03-28 12:15:32,416 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 23.76/14.03 [2019-03-28 12:15:32,416 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. 23.76/14.03 [2019-03-28 12:15:32,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:15:32 BoogieIcfgContainer 23.76/14.03 [2019-03-28 12:15:32,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 23.76/14.03 [2019-03-28 12:15:32,420 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 23.76/14.03 [2019-03-28 12:15:32,421 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 23.76/14.03 [2019-03-28 12:15:32,423 INFO L276 PluginConnector]: BlockEncodingV2 initialized 23.76/14.03 [2019-03-28 12:15:32,424 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:15:32" (1/1) ... 23.76/14.03 [2019-03-28 12:15:32,442 INFO L313 BlockEncoder]: Initial Icfg 20 locations, 27 edges 23.76/14.03 [2019-03-28 12:15:32,443 INFO L258 BlockEncoder]: Using Remove infeasible edges 23.76/14.03 [2019-03-28 12:15:32,444 INFO L263 BlockEncoder]: Using Maximize final states 23.76/14.03 [2019-03-28 12:15:32,445 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 23.76/14.03 [2019-03-28 12:15:32,445 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 23.76/14.03 [2019-03-28 12:15:32,447 INFO L296 BlockEncoder]: Using Remove sink states 23.76/14.03 [2019-03-28 12:15:32,448 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 23.76/14.03 [2019-03-28 12:15:32,448 INFO L179 BlockEncoder]: Using Rewrite not-equals 23.76/14.03 [2019-03-28 12:15:32,465 INFO L185 BlockEncoder]: Using Use SBE 23.76/14.03 [2019-03-28 12:15:32,484 INFO L200 BlockEncoder]: SBE split 3 edges 23.76/14.03 [2019-03-28 12:15:32,489 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 23.76/14.03 [2019-03-28 12:15:32,491 INFO L71 MaximizeFinalStates]: 0 new accepting states 23.76/14.03 [2019-03-28 12:15:32,499 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 23.76/14.03 [2019-03-28 12:15:32,501 INFO L70 RemoveSinkStates]: Removed 9 edges and 5 locations by removing sink states 23.76/14.03 [2019-03-28 12:15:32,503 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 23.76/14.03 [2019-03-28 12:15:32,503 INFO L71 MaximizeFinalStates]: 0 new accepting states 23.76/14.03 [2019-03-28 12:15:32,510 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 23.76/14.03 [2019-03-28 12:15:32,511 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 23.76/14.03 [2019-03-28 12:15:32,511 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 23.76/14.03 [2019-03-28 12:15:32,511 INFO L71 MaximizeFinalStates]: 0 new accepting states 23.76/14.03 [2019-03-28 12:15:32,512 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 23.76/14.03 [2019-03-28 12:15:32,512 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 23.76/14.03 [2019-03-28 12:15:32,512 INFO L313 BlockEncoder]: Encoded RCFG 12 locations, 18 edges 23.76/14.03 [2019-03-28 12:15:32,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:15:32 BasicIcfg 23.76/14.03 [2019-03-28 12:15:32,513 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 23.76/14.03 [2019-03-28 12:15:32,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 23.76/14.03 [2019-03-28 12:15:32,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... 23.76/14.03 [2019-03-28 12:15:32,518 INFO L276 PluginConnector]: TraceAbstraction initialized 23.76/14.03 [2019-03-28 12:15:32,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:15:31" (1/4) ... 23.76/14.03 [2019-03-28 12:15:32,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5912eb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:15:32, skipping insertion in model container 23.76/14.03 [2019-03-28 12:15:32,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (2/4) ... 23.76/14.03 [2019-03-28 12:15:32,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5912eb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:15:32, skipping insertion in model container 23.76/14.03 [2019-03-28 12:15:32,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:15:32" (3/4) ... 23.76/14.03 [2019-03-28 12:15:32,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5912eb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:15:32, skipping insertion in model container 23.76/14.03 [2019-03-28 12:15:32,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:15:32" (4/4) ... 23.76/14.03 [2019-03-28 12:15:32,523 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 23.76/14.03 [2019-03-28 12:15:32,534 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 23.76/14.03 [2019-03-28 12:15:32,544 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 23.76/14.03 [2019-03-28 12:15:32,562 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 23.76/14.03 [2019-03-28 12:15:32,590 INFO L133 ementStrategyFactory]: Using default assertion order modulation 23.76/14.03 [2019-03-28 12:15:32,591 INFO L382 AbstractCegarLoop]: Interprodecural is true 23.76/14.03 [2019-03-28 12:15:32,591 INFO L383 AbstractCegarLoop]: Hoare is true 23.76/14.03 [2019-03-28 12:15:32,592 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 23.76/14.03 [2019-03-28 12:15:32,592 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 23.76/14.03 [2019-03-28 12:15:32,592 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 23.76/14.03 [2019-03-28 12:15:32,592 INFO L387 AbstractCegarLoop]: Difference is false 23.76/14.03 [2019-03-28 12:15:32,592 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 23.76/14.03 [2019-03-28 12:15:32,592 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 23.76/14.03 [2019-03-28 12:15:32,610 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. 23.76/14.03 [2019-03-28 12:15:32,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 23.76/14.03 [2019-03-28 12:15:32,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. 23.76/14.03 [2019-03-28 12:15:32,684 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. 23.76/14.03 [2019-03-28 12:15:32,684 INFO L448 ceAbstractionStarter]: For program point gcdFINAL(lines 15 26) no Hoare annotation was computed. 23.76/14.03 [2019-03-28 12:15:32,684 INFO L448 ceAbstractionStarter]: For program point gcdEXIT(lines 15 26) no Hoare annotation was computed. 23.76/14.03 [2019-03-28 12:15:32,685 INFO L451 ceAbstractionStarter]: At program point L25(line 25) the Hoare annotation is: true 23.76/14.03 [2019-03-28 12:15:32,685 INFO L448 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. 23.76/14.03 [2019-03-28 12:15:32,685 INFO L451 ceAbstractionStarter]: At program point gcdENTRY(lines 15 26) the Hoare annotation is: true 23.76/14.03 [2019-03-28 12:15:32,685 INFO L451 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true 23.76/14.03 [2019-03-28 12:15:32,685 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 24) no Hoare annotation was computed. 23.76/14.03 [2019-03-28 12:15:32,685 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. 23.76/14.03 [2019-03-28 12:15:32,686 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 21) no Hoare annotation was computed. 23.76/14.03 [2019-03-28 12:15:32,686 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 23.76/14.03 [2019-03-28 12:15:32,686 INFO L451 ceAbstractionStarter]: At program point L37(line 37) the Hoare annotation is: true 23.76/14.03 [2019-03-28 12:15:32,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:15:32 BasicIcfg 23.76/14.03 [2019-03-28 12:15:32,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 23.76/14.03 [2019-03-28 12:15:32,691 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 23.76/14.03 [2019-03-28 12:15:32,691 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 23.76/14.03 [2019-03-28 12:15:32,694 INFO L276 PluginConnector]: BuchiAutomizer initialized 23.76/14.03 [2019-03-28 12:15:32,695 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.76/14.03 [2019-03-28 12:15:32,695 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:15:31" (1/5) ... 23.76/14.03 [2019-03-28 12:15:32,696 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a1daa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:15:32, skipping insertion in model container 23.76/14.03 [2019-03-28 12:15:32,696 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.76/14.03 [2019-03-28 12:15:32,696 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:15:32" (2/5) ... 23.76/14.03 [2019-03-28 12:15:32,697 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a1daa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:15:32, skipping insertion in model container 23.76/14.03 [2019-03-28 12:15:32,697 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.76/14.03 [2019-03-28 12:15:32,697 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:15:32" (3/5) ... 23.76/14.03 [2019-03-28 12:15:32,698 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a1daa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:15:32, skipping insertion in model container 23.76/14.03 [2019-03-28 12:15:32,698 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.76/14.03 [2019-03-28 12:15:32,698 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:15:32" (4/5) ... 23.76/14.03 [2019-03-28 12:15:32,698 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a1daa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:15:32, skipping insertion in model container 23.76/14.03 [2019-03-28 12:15:32,698 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.76/14.03 [2019-03-28 12:15:32,699 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:15:32" (5/5) ... 23.76/14.03 [2019-03-28 12:15:32,700 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 23.76/14.03 [2019-03-28 12:15:32,727 INFO L133 ementStrategyFactory]: Using default assertion order modulation 23.76/14.03 [2019-03-28 12:15:32,728 INFO L374 BuchiCegarLoop]: Interprodecural is true 23.76/14.03 [2019-03-28 12:15:32,728 INFO L375 BuchiCegarLoop]: Hoare is true 23.76/14.03 [2019-03-28 12:15:32,728 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 23.76/14.03 [2019-03-28 12:15:32,728 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 23.76/14.03 [2019-03-28 12:15:32,728 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 23.76/14.03 [2019-03-28 12:15:32,728 INFO L379 BuchiCegarLoop]: Difference is false 23.76/14.03 [2019-03-28 12:15:32,729 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 23.76/14.03 [2019-03-28 12:15:32,729 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 23.76/14.03 [2019-03-28 12:15:32,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. 23.76/14.03 [2019-03-28 12:15:32,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 23.76/14.03 [2019-03-28 12:15:32,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.76/14.03 [2019-03-28 12:15:32,754 INFO L119 BuchiIsEmpty]: Starting construction of run 23.76/14.03 [2019-03-28 12:15:32,761 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 23.76/14.03 [2019-03-28 12:15:32,762 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 23.76/14.03 [2019-03-28 12:15:32,762 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 23.76/14.03 [2019-03-28 12:15:32,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. 23.76/14.03 [2019-03-28 12:15:32,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 23.76/14.03 [2019-03-28 12:15:32,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.76/14.03 [2019-03-28 12:15:32,764 INFO L119 BuchiIsEmpty]: Starting construction of run 23.76/14.03 [2019-03-28 12:15:32,764 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 23.76/14.03 [2019-03-28 12:15:32,764 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 23.76/14.03 [2019-03-28 12:15:32,770 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue [90] ULTIMATE.startENTRY-->L37: Formula: (and (< 0 v_ULTIMATE.start_main_~n~0_11) (< 0 v_ULTIMATE.start_main_~m~0_11)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_11, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_11, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_#t~ret4] 4#L37true [50] L37-->gcdENTRY: Formula: (and (= |v_gcd_#in~y1InParam_3| v_ULTIMATE.start_main_~m~0_9) (= |v_gcd_#in~y2InParam_3| v_ULTIMATE.start_main_~n~0_8)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_9} OutVars{gcd_#in~y1=|v_gcd_#in~y1InParam_3|, gcd_#in~y2=|v_gcd_#in~y2InParam_3|} AuxVars[] AssignedVars[gcd_#in~y1, gcd_#in~y2]< 5#gcdENTRYtrue 23.76/14.03 [2019-03-28 12:15:32,771 INFO L796 eck$LassoCheckResult]: Loop: 5#gcdENTRYtrue [49] gcdENTRY-->L16: Formula: (and (= v_gcd_~y1_1 |v_gcd_#in~y1_1|) (= v_gcd_~y2_1 |v_gcd_#in~y2_1|)) InVars {gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} OutVars{gcd_~y2=v_gcd_~y2_1, gcd_~y1=v_gcd_~y1_1, gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} AuxVars[] AssignedVars[gcd_~y2, gcd_~y1] 12#L16true [77] L16-->L19: Formula: (and (> v_gcd_~y1_3 0) (> v_gcd_~y2_3 0)) InVars {gcd_~y2=v_gcd_~y2_3, gcd_~y1=v_gcd_~y1_3} OutVars{gcd_~y2=v_gcd_~y2_3, gcd_~y1=v_gcd_~y1_3} AuxVars[] AssignedVars[] 8#L19true [83] L19-->L22: Formula: (< v_gcd_~y2_5 v_gcd_~y1_5) InVars {gcd_~y2=v_gcd_~y2_5, gcd_~y1=v_gcd_~y1_5} OutVars{gcd_~y2=v_gcd_~y2_5, gcd_~y1=v_gcd_~y1_5} AuxVars[] AssignedVars[] 13#L22true [59] L22-->L23: Formula: (< v_gcd_~y2_6 v_gcd_~y1_6) InVars {gcd_~y2=v_gcd_~y2_6, gcd_~y1=v_gcd_~y1_6} OutVars{gcd_~y2=v_gcd_~y2_6, gcd_~y1=v_gcd_~y1_6} AuxVars[] AssignedVars[] 3#L23true [48] L23-->gcdENTRY: Formula: (and (= |v_gcd_#in~y2InParam_1| v_gcd_~y2_10) (= |v_gcd_#in~y1InParam_1| (+ (* (- 1) v_gcd_~y2_10) v_gcd_~y1_10))) InVars {gcd_~y2=v_gcd_~y2_10, gcd_~y1=v_gcd_~y1_10} OutVars{gcd_#in~y1=|v_gcd_#in~y1InParam_1|, gcd_#in~y2=|v_gcd_#in~y2InParam_1|} AuxVars[] AssignedVars[gcd_#in~y1, gcd_#in~y2]< 5#gcdENTRYtrue 23.76/14.03 [2019-03-28 12:15:32,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.76/14.03 [2019-03-28 12:15:32,777 INFO L82 PathProgramCache]: Analyzing trace with hash 3801, now seen corresponding path program 1 times 23.76/14.03 [2019-03-28 12:15:32,779 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.76/14.03 [2019-03-28 12:15:32,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.76/14.03 [2019-03-28 12:15:32,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:32,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:32,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:32,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.76/14.03 [2019-03-28 12:15:32,852 INFO L82 PathProgramCache]: Analyzing trace with hash 76257227, now seen corresponding path program 1 times 23.76/14.03 [2019-03-28 12:15:32,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.76/14.03 [2019-03-28 12:15:32,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.76/14.03 [2019-03-28 12:15:32,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:32,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:32,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:32,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.76/14.03 [2019-03-28 12:15:32,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1492848627, now seen corresponding path program 1 times 23.76/14.03 [2019-03-28 12:15:32,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.76/14.03 [2019-03-28 12:15:32,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.76/14.03 [2019-03-28 12:15:32,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:32,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:32,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:32,990 INFO L216 LassoAnalysis]: Preferences: 23.76/14.03 [2019-03-28 12:15:32,991 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.76/14.03 [2019-03-28 12:15:32,991 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.76/14.03 [2019-03-28 12:15:32,991 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.76/14.03 [2019-03-28 12:15:32,992 INFO L127 ssoRankerPreferences]: Use exernal solver: true 23.76/14.03 [2019-03-28 12:15:32,992 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.76/14.03 [2019-03-28 12:15:32,992 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.76/14.03 [2019-03-28 12:15:32,992 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.76/14.03 [2019-03-28 12:15:32,992 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 23.76/14.03 [2019-03-28 12:15:32,993 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.76/14.03 [2019-03-28 12:15:32,993 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.76/14.03 [2019-03-28 12:15:33,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,113 INFO L300 LassoAnalysis]: Preprocessing complete. 23.76/14.03 [2019-03-28 12:15:33,114 INFO L412 LassoAnalysis]: Checking for nontermination... 23.76/14.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 23.76/14.03 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.76/14.03 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.76/14.03 [2019-03-28 12:15:33,123 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.76/14.03 [2019-03-28 12:15:33,124 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.76/14.03 [2019-03-28 12:15:33,133 INFO L445 LassoAnalysis]: Proved nontermination for one component. 23.76/14.03 [2019-03-28 12:15:33,133 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {gcd_#res=0} Honda state: {gcd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 23.76/14.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 23.76/14.03 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.76/14.03 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.76/14.03 [2019-03-28 12:15:33,163 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.76/14.03 [2019-03-28 12:15:33,163 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.76/14.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 23.76/14.03 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.76/14.03 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.76/14.03 [2019-03-28 12:15:33,196 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 23.76/14.03 [2019-03-28 12:15:33,197 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.76/14.03 [2019-03-28 12:15:33,244 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 23.76/14.03 [2019-03-28 12:15:33,246 INFO L216 LassoAnalysis]: Preferences: 23.76/14.03 [2019-03-28 12:15:33,246 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.76/14.03 [2019-03-28 12:15:33,246 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.76/14.03 [2019-03-28 12:15:33,246 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.76/14.03 [2019-03-28 12:15:33,247 INFO L127 ssoRankerPreferences]: Use exernal solver: false 23.76/14.03 [2019-03-28 12:15:33,247 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 23.76/14.03 [2019-03-28 12:15:33,247 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.76/14.03 [2019-03-28 12:15:33,247 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.76/14.03 [2019-03-28 12:15:33,247 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 23.76/14.03 [2019-03-28 12:15:33,247 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.76/14.03 [2019-03-28 12:15:33,247 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.76/14.03 [2019-03-28 12:15:33,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:33,318 INFO L300 LassoAnalysis]: Preprocessing complete. 23.76/14.03 [2019-03-28 12:15:33,324 INFO L497 LassoAnalysis]: Using template 'affine'. 23.76/14.03 [2019-03-28 12:15:33,326 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.76/14.03 Termination analysis: LINEAR_WITH_GUESSES 23.76/14.03 Number of strict supporting invariants: 0 23.76/14.03 Number of non-strict supporting invariants: 1 23.76/14.03 Consider only non-deceasing supporting invariants: true 23.76/14.03 Simplify termination arguments: true 23.76/14.03 Simplify supporting invariants: trueOverapproximate stem: false 23.76/14.03 [2019-03-28 12:15:33,328 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.76/14.03 [2019-03-28 12:15:33,328 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.76/14.03 [2019-03-28 12:15:33,329 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.76/14.03 [2019-03-28 12:15:33,329 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.76/14.03 [2019-03-28 12:15:33,329 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.76/14.03 [2019-03-28 12:15:33,331 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.76/14.03 [2019-03-28 12:15:33,331 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.76/14.03 [2019-03-28 12:15:33,335 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.76/14.03 [2019-03-28 12:15:33,336 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.76/14.03 Termination analysis: LINEAR_WITH_GUESSES 23.76/14.03 Number of strict supporting invariants: 0 23.76/14.03 Number of non-strict supporting invariants: 1 23.76/14.03 Consider only non-deceasing supporting invariants: true 23.76/14.03 Simplify termination arguments: true 23.76/14.03 Simplify supporting invariants: trueOverapproximate stem: false 23.76/14.03 [2019-03-28 12:15:33,336 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.76/14.03 [2019-03-28 12:15:33,337 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.76/14.03 [2019-03-28 12:15:33,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.76/14.03 [2019-03-28 12:15:33,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.76/14.03 [2019-03-28 12:15:33,337 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.76/14.03 [2019-03-28 12:15:33,338 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.76/14.03 [2019-03-28 12:15:33,338 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.76/14.03 [2019-03-28 12:15:33,339 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.76/14.03 [2019-03-28 12:15:33,340 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.76/14.03 Termination analysis: LINEAR_WITH_GUESSES 23.76/14.03 Number of strict supporting invariants: 0 23.76/14.03 Number of non-strict supporting invariants: 1 23.76/14.03 Consider only non-deceasing supporting invariants: true 23.76/14.03 Simplify termination arguments: true 23.76/14.03 Simplify supporting invariants: trueOverapproximate stem: false 23.76/14.03 [2019-03-28 12:15:33,340 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.76/14.03 [2019-03-28 12:15:33,340 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.76/14.03 [2019-03-28 12:15:33,340 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.76/14.03 [2019-03-28 12:15:33,341 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.76/14.03 [2019-03-28 12:15:33,341 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.76/14.03 [2019-03-28 12:15:33,342 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.76/14.03 [2019-03-28 12:15:33,342 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.76/14.03 [2019-03-28 12:15:33,352 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 23.76/14.03 [2019-03-28 12:15:33,360 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 23.76/14.03 [2019-03-28 12:15:33,360 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 23.76/14.03 [2019-03-28 12:15:33,363 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 23.76/14.03 [2019-03-28 12:15:33,363 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 23.76/14.03 [2019-03-28 12:15:33,363 INFO L518 LassoAnalysis]: Proved termination. 23.76/14.03 [2019-03-28 12:15:33,364 INFO L520 LassoAnalysis]: Termination argument consisting of: 23.76/14.03 Ranking function f(gcd_#in~y1) = 1*gcd_#in~y1 23.76/14.03 Supporting invariants [] 23.76/14.03 [2019-03-28 12:15:33,366 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 23.76/14.03 [2019-03-28 12:15:33,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.76/14.03 [2019-03-28 12:15:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.76/14.03 [2019-03-28 12:15:33,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core 23.76/14.03 [2019-03-28 12:15:33,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.76/14.03 [2019-03-28 12:15:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.76/14.03 [2019-03-28 12:15:33,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core 23.76/14.03 [2019-03-28 12:15:33,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.76/14.03 [2019-03-28 12:15:33,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.76/14.03 [2019-03-28 12:15:33,503 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization 23.76/14.03 [2019-03-28 12:15:33,508 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 4 loop predicates 23.76/14.03 [2019-03-28 12:15:33,509 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states. Second operand 5 states. 23.76/14.03 [2019-03-28 12:15:33,794 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states.. Second operand 5 states. Result 148 states and 224 transitions. Complement of second has 46 states. 23.76/14.03 [2019-03-28 12:15:33,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 7 non-accepting loop states 1 accepting loop states 23.76/14.03 [2019-03-28 12:15:33,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 23.76/14.03 [2019-03-28 12:15:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 69 transitions. 23.76/14.03 [2019-03-28 12:15:33,802 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 69 transitions. Stem has 2 letters. Loop has 5 letters. 23.76/14.03 [2019-03-28 12:15:33,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.76/14.03 [2019-03-28 12:15:33,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 69 transitions. Stem has 7 letters. Loop has 5 letters. 23.76/14.03 [2019-03-28 12:15:33,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.76/14.03 [2019-03-28 12:15:33,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 69 transitions. Stem has 2 letters. Loop has 10 letters. 23.76/14.03 [2019-03-28 12:15:33,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.76/14.03 [2019-03-28 12:15:33,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 224 transitions. 23.76/14.03 [2019-03-28 12:15:33,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 23.76/14.03 [2019-03-28 12:15:33,833 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 36 states and 44 transitions. 23.76/14.03 [2019-03-28 12:15:33,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 23.76/14.03 [2019-03-28 12:15:33,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 23.76/14.03 [2019-03-28 12:15:33,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 44 transitions. 23.76/14.03 [2019-03-28 12:15:33,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 23.76/14.03 [2019-03-28 12:15:33,836 INFO L706 BuchiCegarLoop]: Abstraction has 36 states and 44 transitions. 23.76/14.03 [2019-03-28 12:15:33,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 44 transitions. 23.76/14.03 [2019-03-28 12:15:33,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 16. 23.76/14.03 [2019-03-28 12:15:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. 23.76/14.03 [2019-03-28 12:15:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. 23.76/14.03 [2019-03-28 12:15:33,870 INFO L729 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. 23.76/14.03 [2019-03-28 12:15:33,870 INFO L609 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. 23.76/14.03 [2019-03-28 12:15:33,870 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 23.76/14.03 [2019-03-28 12:15:33,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. 23.76/14.03 [2019-03-28 12:15:33,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 23.76/14.03 [2019-03-28 12:15:33,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.76/14.03 [2019-03-28 12:15:33,871 INFO L119 BuchiIsEmpty]: Starting construction of run 23.76/14.03 [2019-03-28 12:15:33,872 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 23.76/14.03 [2019-03-28 12:15:33,872 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 23.76/14.03 [2019-03-28 12:15:33,872 INFO L794 eck$LassoCheckResult]: Stem: 270#ULTIMATE.startENTRY [90] ULTIMATE.startENTRY-->L37: Formula: (and (< 0 v_ULTIMATE.start_main_~n~0_11) (< 0 v_ULTIMATE.start_main_~m~0_11)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_8|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_8|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_11, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_11, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~m~0, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_#t~ret4] 261#L37 [50] L37-->gcdENTRY: Formula: (and (= |v_gcd_#in~y1InParam_3| v_ULTIMATE.start_main_~m~0_9) (= |v_gcd_#in~y2InParam_3| v_ULTIMATE.start_main_~n~0_8)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_~m~0=v_ULTIMATE.start_main_~m~0_9} OutVars{gcd_#in~y1=|v_gcd_#in~y1InParam_3|, gcd_#in~y2=|v_gcd_#in~y2InParam_3|} AuxVars[] AssignedVars[gcd_#in~y1, gcd_#in~y2]< 269#gcdENTRY [49] gcdENTRY-->L16: Formula: (and (= v_gcd_~y1_1 |v_gcd_#in~y1_1|) (= v_gcd_~y2_1 |v_gcd_#in~y2_1|)) InVars {gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} OutVars{gcd_~y2=v_gcd_~y2_1, gcd_~y1=v_gcd_~y1_1, gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} AuxVars[] AssignedVars[gcd_~y2, gcd_~y1] 266#L16 23.76/14.03 [2019-03-28 12:15:33,873 INFO L796 eck$LassoCheckResult]: Loop: 266#L16 [77] L16-->L19: Formula: (and (> v_gcd_~y1_3 0) (> v_gcd_~y2_3 0)) InVars {gcd_~y2=v_gcd_~y2_3, gcd_~y1=v_gcd_~y1_3} OutVars{gcd_~y2=v_gcd_~y2_3, gcd_~y1=v_gcd_~y1_3} AuxVars[] AssignedVars[] 271#L19 [84] L19-->L22: Formula: (> v_gcd_~y2_5 v_gcd_~y1_5) InVars {gcd_~y2=v_gcd_~y2_5, gcd_~y1=v_gcd_~y1_5} OutVars{gcd_~y2=v_gcd_~y2_5, gcd_~y1=v_gcd_~y1_5} AuxVars[] AssignedVars[] 272#L22 [79] L22-->L25: Formula: (>= v_gcd_~y2_8 v_gcd_~y1_8) InVars {gcd_~y2=v_gcd_~y2_8, gcd_~y1=v_gcd_~y1_8} OutVars{gcd_~y2=v_gcd_~y2_8, gcd_~y1=v_gcd_~y1_8} AuxVars[] AssignedVars[] 265#L25 [54] L25-->gcdENTRY: Formula: (and (= |v_gcd_#in~y2InParam_2| (+ v_gcd_~y2_11 (* (- 1) v_gcd_~y1_11))) (= |v_gcd_#in~y1InParam_2| v_gcd_~y1_11)) InVars {gcd_~y2=v_gcd_~y2_11, gcd_~y1=v_gcd_~y1_11} OutVars{gcd_#in~y1=|v_gcd_#in~y1InParam_2|, gcd_#in~y2=|v_gcd_#in~y2InParam_2|} AuxVars[] AssignedVars[gcd_#in~y1, gcd_#in~y2]< 264#gcdENTRY [49] gcdENTRY-->L16: Formula: (and (= v_gcd_~y1_1 |v_gcd_#in~y1_1|) (= v_gcd_~y2_1 |v_gcd_#in~y2_1|)) InVars {gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} OutVars{gcd_~y2=v_gcd_~y2_1, gcd_~y1=v_gcd_~y1_1, gcd_#in~y1=|v_gcd_#in~y1_1|, gcd_#in~y2=|v_gcd_#in~y2_1|} AuxVars[] AssignedVars[gcd_~y2, gcd_~y1] 266#L16 23.76/14.03 [2019-03-28 12:15:33,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.76/14.03 [2019-03-28 12:15:33,874 INFO L82 PathProgramCache]: Analyzing trace with hash 117880, now seen corresponding path program 1 times 23.76/14.03 [2019-03-28 12:15:33,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.76/14.03 [2019-03-28 12:15:33,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.76/14.03 [2019-03-28 12:15:33,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:33,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:33,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:33,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.76/14.03 [2019-03-28 12:15:33,885 INFO L82 PathProgramCache]: Analyzing trace with hash 102320354, now seen corresponding path program 1 times 23.76/14.03 [2019-03-28 12:15:33,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.76/14.03 [2019-03-28 12:15:33,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.76/14.03 [2019-03-28 12:15:33,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:33,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:33,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:33,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.76/14.03 [2019-03-28 12:15:33,899 INFO L82 PathProgramCache]: Analyzing trace with hash -966283573, now seen corresponding path program 1 times 23.76/14.03 [2019-03-28 12:15:33,899 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.76/14.03 [2019-03-28 12:15:33,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.76/14.03 [2019-03-28 12:15:33,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:33,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:33,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.76/14.03 [2019-03-28 12:15:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:34,011 INFO L216 LassoAnalysis]: Preferences: 23.76/14.03 [2019-03-28 12:15:34,012 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.76/14.03 [2019-03-28 12:15:34,012 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.76/14.03 [2019-03-28 12:15:34,012 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.76/14.03 [2019-03-28 12:15:34,012 INFO L127 ssoRankerPreferences]: Use exernal solver: true 23.76/14.03 [2019-03-28 12:15:34,012 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.76/14.03 [2019-03-28 12:15:34,012 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.76/14.03 [2019-03-28 12:15:34,013 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.76/14.03 [2019-03-28 12:15:34,013 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 23.76/14.03 [2019-03-28 12:15:34,013 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.76/14.03 [2019-03-28 12:15:34,013 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.76/14.03 [2019-03-28 12:15:34,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:34,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:34,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:34,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:34,102 INFO L300 LassoAnalysis]: Preprocessing complete. 23.76/14.03 [2019-03-28 12:15:34,102 INFO L412 LassoAnalysis]: Checking for nontermination... 23.76/14.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 23.76/14.03 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.76/14.03 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.76/14.03 [2019-03-28 12:15:34,108 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.76/14.03 [2019-03-28 12:15:34,108 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.76/14.03 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 23.76/14.03 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.76/14.03 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.76/14.03 [2019-03-28 12:15:34,147 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 23.76/14.03 [2019-03-28 12:15:34,148 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.76/14.03 [2019-03-28 12:15:40,707 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 23.76/14.03 [2019-03-28 12:15:40,711 INFO L216 LassoAnalysis]: Preferences: 23.76/14.03 [2019-03-28 12:15:40,711 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.76/14.03 [2019-03-28 12:15:40,711 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.76/14.03 [2019-03-28 12:15:40,712 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.76/14.03 [2019-03-28 12:15:40,712 INFO L127 ssoRankerPreferences]: Use exernal solver: false 23.76/14.03 [2019-03-28 12:15:40,712 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 23.76/14.03 [2019-03-28 12:15:40,712 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.76/14.03 [2019-03-28 12:15:40,713 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.76/14.03 [2019-03-28 12:15:40,713 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 23.76/14.03 [2019-03-28 12:15:40,713 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.76/14.03 [2019-03-28 12:15:40,713 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.76/14.03 [2019-03-28 12:15:40,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:40,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:40,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:40,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.76/14.03 [2019-03-28 12:15:40,784 INFO L300 LassoAnalysis]: Preprocessing complete. 23.76/14.03 [2019-03-28 12:15:40,784 INFO L497 LassoAnalysis]: Using template 'affine'. 23.76/14.03 [2019-03-28 12:15:40,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.76/14.03 Termination analysis: LINEAR_WITH_GUESSES 23.76/14.03 Number of strict supporting invariants: 0 23.76/14.03 Number of non-strict supporting invariants: 1 23.76/14.03 Consider only non-deceasing supporting invariants: true 23.76/14.03 Simplify termination arguments: true 23.76/14.03 Simplify supporting invariants: trueOverapproximate stem: false 23.76/14.03 [2019-03-28 12:15:40,785 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.76/14.03 [2019-03-28 12:15:40,785 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.76/14.03 [2019-03-28 12:15:40,786 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.76/14.03 [2019-03-28 12:15:40,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.76/14.03 [2019-03-28 12:15:40,786 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.76/14.03 [2019-03-28 12:15:40,787 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.76/14.03 [2019-03-28 12:15:40,787 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.76/14.03 [2019-03-28 12:15:40,797 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 23.76/14.03 [2019-03-28 12:15:40,803 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 23.76/14.03 [2019-03-28 12:15:40,803 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. 23.76/14.03 [2019-03-28 12:15:40,803 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 23.76/14.03 [2019-03-28 12:15:40,803 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 23.76/14.03 [2019-03-28 12:15:40,804 INFO L518 LassoAnalysis]: Proved termination. 23.76/14.03 [2019-03-28 12:15:40,804 INFO L520 LassoAnalysis]: Termination argument consisting of: 23.76/14.03 Ranking function f(gcd_~y2) = 1*gcd_~y2 23.76/14.03 Supporting invariants [] 23.76/14.03 [2019-03-28 12:15:40,804 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 23.76/14.03 [2019-03-28 12:15:40,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.76/14.03 [2019-03-28 12:15:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.76/14.03 [2019-03-28 12:15:40,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core 23.76/14.03 [2019-03-28 12:15:40,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.76/14.03 [2019-03-28 12:15:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.76/14.03 [2019-03-28 12:15:40,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core 23.76/14.03 [2019-03-28 12:15:40,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.76/14.03 [2019-03-28 12:15:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.76/14.03 [2019-03-28 12:15:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.76/14.03 [2019-03-28 12:15:40,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core 23.76/14.03 [2019-03-28 12:15:40,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.76/14.03 [2019-03-28 12:15:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.76/14.03 [2019-03-28 12:15:40,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core 23.76/14.03 [2019-03-28 12:15:40,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.76/14.03 [2019-03-28 12:15:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.76/14.03 [2019-03-28 12:15:41,012 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 23.76/14.03 [2019-03-28 12:15:41,012 INFO L98 LoopCannibalizer]: 5 predicates before loop cannibalization 7 predicates after loop cannibalization 23.76/14.03 [2019-03-28 12:15:41,013 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 7 loop predicates 23.76/14.03 [2019-03-28 12:15:41,013 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand 5 states. 23.76/14.03 [2019-03-28 12:15:41,311 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 16 states and 20 transitions. cyclomatic complexity: 6. Second operand 5 states. Result 1652 states and 2040 transitions. Complement of second has 528 states. 23.76/14.03 [2019-03-28 12:15:41,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states 23.76/14.03 [2019-03-28 12:15:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 23.76/14.03 [2019-03-28 12:15:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 37 transitions. 23.76/14.03 [2019-03-28 12:15:41,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 37 transitions. Stem has 3 letters. Loop has 5 letters. 23.76/14.03 [2019-03-28 12:15:41,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.76/14.03 [2019-03-28 12:15:41,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 37 transitions. Stem has 8 letters. Loop has 5 letters. 23.76/14.03 [2019-03-28 12:15:41,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.76/14.03 [2019-03-28 12:15:41,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 37 transitions. Stem has 3 letters. Loop has 10 letters. 23.76/14.03 [2019-03-28 12:15:41,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.76/14.03 [2019-03-28 12:15:41,317 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1652 states and 2040 transitions. 23.76/14.03 [2019-03-28 12:15:41,352 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 23.76/14.03 [2019-03-28 12:15:41,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1652 states to 0 states and 0 transitions. 23.76/14.03 [2019-03-28 12:15:41,353 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 23.76/14.03 [2019-03-28 12:15:41,353 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 23.76/14.03 [2019-03-28 12:15:41,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 23.76/14.03 [2019-03-28 12:15:41,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 23.76/14.03 [2019-03-28 12:15:41,354 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.76/14.03 [2019-03-28 12:15:41,354 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.76/14.03 [2019-03-28 12:15:41,354 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.76/14.03 [2019-03-28 12:15:41,354 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 23.76/14.03 [2019-03-28 12:15:41,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 23.76/14.03 [2019-03-28 12:15:41,354 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 23.76/14.03 [2019-03-28 12:15:41,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 23.76/14.03 [2019-03-28 12:15:41,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:15:41 BasicIcfg 23.76/14.03 [2019-03-28 12:15:41,361 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 23.76/14.03 [2019-03-28 12:15:41,362 INFO L168 Benchmark]: Toolchain (without parser) took 9550.97 ms. Allocated memory was 649.6 MB in the beginning and 742.9 MB in the end (delta: 93.3 MB). Free memory was 558.4 MB in the beginning and 621.2 MB in the end (delta: -62.8 MB). Peak memory consumption was 30.6 MB. Max. memory is 50.3 GB. 23.76/14.03 [2019-03-28 12:15:41,364 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 23.76/14.03 [2019-03-28 12:15:41,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.54 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 558.4 MB in the beginning and 644.0 MB in the end (delta: -85.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. 23.76/14.03 [2019-03-28 12:15:41,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.34 ms. Allocated memory is still 676.3 MB. Free memory was 644.0 MB in the beginning and 642.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 23.76/14.04 [2019-03-28 12:15:41,366 INFO L168 Benchmark]: Boogie Preprocessor took 18.74 ms. Allocated memory is still 676.3 MB. Free memory was 642.9 MB in the beginning and 641.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 23.76/14.04 [2019-03-28 12:15:41,366 INFO L168 Benchmark]: RCFGBuilder took 252.46 ms. Allocated memory is still 676.3 MB. Free memory was 640.8 MB in the beginning and 624.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 50.3 GB. 23.76/14.04 [2019-03-28 12:15:41,367 INFO L168 Benchmark]: BlockEncodingV2 took 92.83 ms. Allocated memory is still 676.3 MB. Free memory was 624.3 MB in the beginning and 617.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 23.76/14.04 [2019-03-28 12:15:41,367 INFO L168 Benchmark]: TraceAbstraction took 176.12 ms. Allocated memory is still 676.3 MB. Free memory was 617.8 MB in the beginning and 607.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 23.76/14.04 [2019-03-28 12:15:41,368 INFO L168 Benchmark]: BuchiAutomizer took 8670.67 ms. Allocated memory was 676.3 MB in the beginning and 742.9 MB in the end (delta: 66.6 MB). Free memory was 607.0 MB in the beginning and 621.2 MB in the end (delta: -14.2 MB). Peak memory consumption was 52.4 MB. Max. memory is 50.3 GB. 23.76/14.04 [2019-03-28 12:15:41,372 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 23.76/14.04 --- Results --- 23.76/14.04 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 23.76/14.04 - StatisticsResult: Initial Icfg 23.76/14.04 20 locations, 27 edges 23.76/14.04 - StatisticsResult: Encoded RCFG 23.76/14.04 12 locations, 18 edges 23.76/14.04 * Results from de.uni_freiburg.informatik.ultimate.core: 23.76/14.04 - StatisticsResult: Toolchain Benchmarks 23.76/14.04 Benchmark results are: 23.76/14.04 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 23.76/14.04 * CACSL2BoogieTranslator took 297.54 ms. Allocated memory was 649.6 MB in the beginning and 676.3 MB in the end (delta: 26.7 MB). Free memory was 558.4 MB in the beginning and 644.0 MB in the end (delta: -85.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. 23.76/14.04 * Boogie Procedure Inliner took 37.34 ms. Allocated memory is still 676.3 MB. Free memory was 644.0 MB in the beginning and 642.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 23.76/14.04 * Boogie Preprocessor took 18.74 ms. Allocated memory is still 676.3 MB. Free memory was 642.9 MB in the beginning and 641.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 23.76/14.04 * RCFGBuilder took 252.46 ms. Allocated memory is still 676.3 MB. Free memory was 640.8 MB in the beginning and 624.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 50.3 GB. 23.76/14.04 * BlockEncodingV2 took 92.83 ms. Allocated memory is still 676.3 MB. Free memory was 624.3 MB in the beginning and 617.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 23.76/14.04 * TraceAbstraction took 176.12 ms. Allocated memory is still 676.3 MB. Free memory was 617.8 MB in the beginning and 607.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 23.76/14.04 * BuchiAutomizer took 8670.67 ms. Allocated memory was 676.3 MB in the beginning and 742.9 MB in the end (delta: 66.6 MB). Free memory was 607.0 MB in the beginning and 621.2 MB in the end (delta: -14.2 MB). Peak memory consumption was 52.4 MB. Max. memory is 50.3 GB. 23.76/14.04 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 23.76/14.04 - AllSpecificationsHoldResult: All specifications hold 23.76/14.04 We were not able to verify any specifiation because the program does not contain any specification. 23.76/14.04 - StatisticsResult: Ultimate Automizer benchmark data 23.76/14.04 CFG has 2 procedures, 12 locations, 0 error locations. SAFE Result, 0.1s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 4 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 4 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 23.76/14.04 - StatisticsResult: Constructed decomposition of program 23.76/14.04 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function \old(y1) and consists of 10 locations. One nondeterministic module has affine ranking function y2 and consists of 9 locations. 23.76/14.04 - StatisticsResult: Timing statistics 23.76/14.04 BüchiAutomizer plugin needed 8.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 29 SDtfs, 92 SDslu, 25 SDs, 0 SdLazy, 127 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq172 hnf91 smp100 dnf100 smp100 tf106 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 6.7s 23.76/14.04 - TerminationAnalysisResult: Termination proven 23.76/14.04 Buchi Automizer proved that your program is terminating 23.76/14.04 RESULT: Ultimate proved your program to be correct! 23.76/14.04 !SESSION 2019-03-28 12:15:28.511 ----------------------------------------------- 23.76/14.04 eclipse.buildId=unknown 23.76/14.04 java.version=1.8.0_181 23.76/14.04 java.vendor=Oracle Corporation 23.76/14.04 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 23.76/14.04 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 23.76/14.04 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 23.76/14.04 23.76/14.04 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:15:41.605 23.76/14.04 !MESSAGE The workspace will exit with unsaved changes in this session. 23.76/14.04 Received shutdown request... 23.76/14.04 Ultimate: 23.76/14.04 GTK+ Version Check 23.76/14.04 EOF