18.52/9.36 YES 18.52/9.36 18.52/9.36 Ultimate: Cannot open display: 18.52/9.36 This is Ultimate 0.1.24-8dc7c08-m 18.52/9.36 [2019-03-28 12:04:00,861 INFO L170 SettingsManager]: Resetting all preferences to default values... 18.52/9.36 [2019-03-28 12:04:00,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 18.52/9.36 [2019-03-28 12:04:00,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 18.52/9.36 [2019-03-28 12:04:00,875 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 18.52/9.36 [2019-03-28 12:04:00,876 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 18.52/9.36 [2019-03-28 12:04:00,877 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 18.52/9.36 [2019-03-28 12:04:00,878 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 18.52/9.36 [2019-03-28 12:04:00,880 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 18.52/9.36 [2019-03-28 12:04:00,881 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 18.52/9.36 [2019-03-28 12:04:00,881 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 18.52/9.36 [2019-03-28 12:04:00,882 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 18.52/9.36 [2019-03-28 12:04:00,883 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 18.52/9.36 [2019-03-28 12:04:00,883 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 18.52/9.36 [2019-03-28 12:04:00,884 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 18.52/9.36 [2019-03-28 12:04:00,885 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 18.52/9.36 [2019-03-28 12:04:00,886 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 18.52/9.36 [2019-03-28 12:04:00,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 18.52/9.36 [2019-03-28 12:04:00,890 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 18.52/9.36 [2019-03-28 12:04:00,891 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 18.52/9.36 [2019-03-28 12:04:00,892 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 18.52/9.36 [2019-03-28 12:04:00,893 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 18.52/9.36 [2019-03-28 12:04:00,895 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 18.52/9.36 [2019-03-28 12:04:00,895 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 18.52/9.36 [2019-03-28 12:04:00,896 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 18.52/9.36 [2019-03-28 12:04:00,896 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 18.52/9.36 [2019-03-28 12:04:00,897 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 18.52/9.36 [2019-03-28 12:04:00,898 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 18.52/9.36 [2019-03-28 12:04:00,898 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 18.52/9.36 [2019-03-28 12:04:00,899 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 18.52/9.36 [2019-03-28 12:04:00,899 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 18.52/9.36 [2019-03-28 12:04:00,900 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 18.52/9.36 [2019-03-28 12:04:00,901 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 18.52/9.36 [2019-03-28 12:04:00,901 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 18.52/9.36 [2019-03-28 12:04:00,902 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 18.52/9.36 [2019-03-28 12:04:00,902 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 18.52/9.36 [2019-03-28 12:04:00,902 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 18.52/9.36 [2019-03-28 12:04:00,903 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 18.52/9.36 [2019-03-28 12:04:00,904 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 18.52/9.36 [2019-03-28 12:04:00,904 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 18.52/9.36 [2019-03-28 12:04:00,918 INFO L110 SettingsManager]: Loading preferences was successful 18.52/9.36 [2019-03-28 12:04:00,918 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 18.52/9.36 [2019-03-28 12:04:00,919 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 18.52/9.36 [2019-03-28 12:04:00,920 INFO L133 SettingsManager]: * Rewrite not-equals=true 18.52/9.36 [2019-03-28 12:04:00,920 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 18.52/9.36 [2019-03-28 12:04:00,920 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 18.52/9.36 [2019-03-28 12:04:00,920 INFO L133 SettingsManager]: * Use SBE=true 18.52/9.36 [2019-03-28 12:04:00,920 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 18.52/9.36 [2019-03-28 12:04:00,921 INFO L133 SettingsManager]: * Use old map elimination=false 18.52/9.36 [2019-03-28 12:04:00,921 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 18.52/9.36 [2019-03-28 12:04:00,921 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 18.52/9.36 [2019-03-28 12:04:00,921 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 18.52/9.36 [2019-03-28 12:04:00,921 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 18.52/9.36 [2019-03-28 12:04:00,921 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 18.52/9.36 [2019-03-28 12:04:00,922 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.52/9.36 [2019-03-28 12:04:00,922 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 18.52/9.36 [2019-03-28 12:04:00,922 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 18.52/9.36 [2019-03-28 12:04:00,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE 18.52/9.36 [2019-03-28 12:04:00,922 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 18.52/9.36 [2019-03-28 12:04:00,922 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 18.52/9.36 [2019-03-28 12:04:00,923 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 18.52/9.36 [2019-03-28 12:04:00,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 18.52/9.36 [2019-03-28 12:04:00,923 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 18.52/9.36 [2019-03-28 12:04:00,923 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 18.52/9.36 [2019-03-28 12:04:00,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.52/9.36 [2019-03-28 12:04:00,924 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 18.52/9.36 [2019-03-28 12:04:00,924 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 18.52/9.36 [2019-03-28 12:04:00,924 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 18.52/9.36 [2019-03-28 12:04:00,924 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 18.52/9.36 [2019-03-28 12:04:00,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 18.52/9.36 [2019-03-28 12:04:00,963 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 18.52/9.36 [2019-03-28 12:04:00,966 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 18.52/9.36 [2019-03-28 12:04:00,968 INFO L271 PluginConnector]: Initializing CDTParser... 18.52/9.36 [2019-03-28 12:04:00,968 INFO L276 PluginConnector]: CDTParser initialized 18.52/9.36 [2019-03-28 12:04:00,969 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 18.52/9.36 [2019-03-28 12:04:01,035 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/1240e60373b745269e6d7f69e0da88cd/FLAGc69170378 18.52/9.36 [2019-03-28 12:04:01,370 INFO L307 CDTParser]: Found 1 translation units. 18.52/9.36 [2019-03-28 12:04:01,370 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 18.52/9.36 [2019-03-28 12:04:01,377 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/1240e60373b745269e6d7f69e0da88cd/FLAGc69170378 18.52/9.36 [2019-03-28 12:04:01,791 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/1240e60373b745269e6d7f69e0da88cd 18.52/9.36 [2019-03-28 12:04:01,802 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 18.52/9.36 [2019-03-28 12:04:01,804 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 18.52/9.36 [2019-03-28 12:04:01,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 18.52/9.36 [2019-03-28 12:04:01,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 18.52/9.36 [2019-03-28 12:04:01,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 18.52/9.36 [2019-03-28 12:04:01,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:04:01" (1/1) ... 18.52/9.36 [2019-03-28 12:04:01,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff1e075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:01, skipping insertion in model container 18.52/9.36 [2019-03-28 12:04:01,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:04:01" (1/1) ... 18.52/9.36 [2019-03-28 12:04:01,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 18.52/9.36 [2019-03-28 12:04:01,838 INFO L176 MainTranslator]: Built tables and reachable declarations 18.52/9.36 [2019-03-28 12:04:01,999 INFO L206 PostProcessor]: Analyzing one entry point: main 18.52/9.36 [2019-03-28 12:04:02,004 INFO L191 MainTranslator]: Completed pre-run 18.52/9.36 [2019-03-28 12:04:02,020 INFO L206 PostProcessor]: Analyzing one entry point: main 18.52/9.36 [2019-03-28 12:04:02,036 INFO L195 MainTranslator]: Completed translation 18.52/9.36 [2019-03-28 12:04:02,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02 WrapperNode 18.52/9.36 [2019-03-28 12:04:02,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 18.52/9.36 [2019-03-28 12:04:02,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 18.52/9.36 [2019-03-28 12:04:02,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 18.52/9.36 [2019-03-28 12:04:02,037 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 18.52/9.36 [2019-03-28 12:04:02,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (1/1) ... 18.52/9.36 [2019-03-28 12:04:02,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (1/1) ... 18.52/9.36 [2019-03-28 12:04:02,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 18.52/9.36 [2019-03-28 12:04:02,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 18.52/9.36 [2019-03-28 12:04:02,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 18.52/9.36 [2019-03-28 12:04:02,135 INFO L276 PluginConnector]: Boogie Preprocessor initialized 18.52/9.36 [2019-03-28 12:04:02,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (1/1) ... 18.52/9.36 [2019-03-28 12:04:02,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (1/1) ... 18.52/9.36 [2019-03-28 12:04:02,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (1/1) ... 18.52/9.36 [2019-03-28 12:04:02,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (1/1) ... 18.52/9.36 [2019-03-28 12:04:02,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (1/1) ... 18.52/9.36 [2019-03-28 12:04:02,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (1/1) ... 18.52/9.36 [2019-03-28 12:04:02,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (1/1) ... 18.52/9.36 [2019-03-28 12:04:02,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 18.52/9.36 [2019-03-28 12:04:02,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 18.52/9.36 [2019-03-28 12:04:02,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... 18.52/9.36 [2019-03-28 12:04:02,154 INFO L276 PluginConnector]: RCFGBuilder initialized 18.52/9.36 [2019-03-28 12:04:02,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (1/1) ... 18.52/9.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.52/9.36 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 18.52/9.36 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.52/9.36 [2019-03-28 12:04:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure loop 18.52/9.36 [2019-03-28 12:04:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure loop 18.52/9.36 [2019-03-28 12:04:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 18.52/9.36 [2019-03-28 12:04:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 18.52/9.36 [2019-03-28 12:04:02,373 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 18.52/9.36 [2019-03-28 12:04:02,374 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 18.52/9.36 [2019-03-28 12:04:02,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:02 BoogieIcfgContainer 18.52/9.36 [2019-03-28 12:04:02,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 18.52/9.36 [2019-03-28 12:04:02,376 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 18.52/9.36 [2019-03-28 12:04:02,376 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 18.52/9.36 [2019-03-28 12:04:02,378 INFO L276 PluginConnector]: BlockEncodingV2 initialized 18.52/9.36 [2019-03-28 12:04:02,379 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:02" (1/1) ... 18.52/9.36 [2019-03-28 12:04:02,397 INFO L313 BlockEncoder]: Initial Icfg 15 locations, 18 edges 18.52/9.36 [2019-03-28 12:04:02,399 INFO L258 BlockEncoder]: Using Remove infeasible edges 18.52/9.36 [2019-03-28 12:04:02,400 INFO L263 BlockEncoder]: Using Maximize final states 18.52/9.36 [2019-03-28 12:04:02,401 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 18.52/9.36 [2019-03-28 12:04:02,401 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 18.52/9.36 [2019-03-28 12:04:02,403 INFO L296 BlockEncoder]: Using Remove sink states 18.52/9.36 [2019-03-28 12:04:02,404 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 18.52/9.36 [2019-03-28 12:04:02,404 INFO L179 BlockEncoder]: Using Rewrite not-equals 18.52/9.36 [2019-03-28 12:04:02,421 INFO L185 BlockEncoder]: Using Use SBE 18.52/9.36 [2019-03-28 12:04:02,431 INFO L200 BlockEncoder]: SBE split 0 edges 18.52/9.36 [2019-03-28 12:04:02,436 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 18.52/9.36 [2019-03-28 12:04:02,438 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.52/9.36 [2019-03-28 12:04:02,446 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 18.52/9.36 [2019-03-28 12:04:02,449 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states 18.52/9.36 [2019-03-28 12:04:02,450 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 18.52/9.36 [2019-03-28 12:04:02,451 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.52/9.36 [2019-03-28 12:04:02,451 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 18.52/9.36 [2019-03-28 12:04:02,451 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 18.52/9.36 [2019-03-28 12:04:02,452 INFO L313 BlockEncoder]: Encoded RCFG 11 locations, 14 edges 18.52/9.36 [2019-03-28 12:04:02,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:04:02 BasicIcfg 18.52/9.36 [2019-03-28 12:04:02,452 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 18.52/9.36 [2019-03-28 12:04:02,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 18.52/9.36 [2019-03-28 12:04:02,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... 18.52/9.36 [2019-03-28 12:04:02,457 INFO L276 PluginConnector]: TraceAbstraction initialized 18.52/9.36 [2019-03-28 12:04:02,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:04:01" (1/4) ... 18.52/9.36 [2019-03-28 12:04:02,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4b22a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:04:02, skipping insertion in model container 18.52/9.36 [2019-03-28 12:04:02,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (2/4) ... 18.52/9.36 [2019-03-28 12:04:02,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4b22a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:04:02, skipping insertion in model container 18.52/9.36 [2019-03-28 12:04:02,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:02" (3/4) ... 18.52/9.36 [2019-03-28 12:04:02,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4b22a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:04:02, skipping insertion in model container 18.52/9.36 [2019-03-28 12:04:02,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:04:02" (4/4) ... 18.52/9.36 [2019-03-28 12:04:02,461 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.52/9.36 [2019-03-28 12:04:02,471 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 18.52/9.36 [2019-03-28 12:04:02,478 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 18.52/9.36 [2019-03-28 12:04:02,495 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 18.52/9.36 [2019-03-28 12:04:02,528 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.52/9.36 [2019-03-28 12:04:02,529 INFO L382 AbstractCegarLoop]: Interprodecural is true 18.52/9.36 [2019-03-28 12:04:02,529 INFO L383 AbstractCegarLoop]: Hoare is true 18.52/9.36 [2019-03-28 12:04:02,529 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 18.52/9.36 [2019-03-28 12:04:02,529 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 18.52/9.36 [2019-03-28 12:04:02,530 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.52/9.36 [2019-03-28 12:04:02,530 INFO L387 AbstractCegarLoop]: Difference is false 18.52/9.36 [2019-03-28 12:04:02,530 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 18.52/9.36 [2019-03-28 12:04:02,530 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 18.52/9.36 [2019-03-28 12:04:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. 18.52/9.36 [2019-03-28 12:04:02,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 18.52/9.36 [2019-03-28 12:04:02,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. 18.52/9.36 [2019-03-28 12:04:02,619 INFO L451 ceAbstractionStarter]: At program point loopENTRY(lines 36 42) the Hoare annotation is: true 18.52/9.36 [2019-03-28 12:04:02,619 INFO L451 ceAbstractionStarter]: At program point L40(line 40) the Hoare annotation is: true 18.52/9.36 [2019-03-28 12:04:02,620 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. 18.52/9.36 [2019-03-28 12:04:02,620 INFO L448 ceAbstractionStarter]: For program point L37-1(lines 36 42) no Hoare annotation was computed. 18.52/9.36 [2019-03-28 12:04:02,620 INFO L448 ceAbstractionStarter]: For program point loopEXIT(lines 36 42) no Hoare annotation was computed. 18.52/9.36 [2019-03-28 12:04:02,620 INFO L451 ceAbstractionStarter]: At program point L33(lines 28 34) the Hoare annotation is: true 18.52/9.36 [2019-03-28 12:04:02,620 INFO L451 ceAbstractionStarter]: At program point L33-1(lines 28 34) the Hoare annotation is: true 18.52/9.36 [2019-03-28 12:04:02,621 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 33) no Hoare annotation was computed. 18.52/9.36 [2019-03-28 12:04:02,621 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 18.52/9.36 [2019-03-28 12:04:02,621 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 30 33) no Hoare annotation was computed. 18.52/9.36 [2019-03-28 12:04:02,621 INFO L451 ceAbstractionStarter]: At program point L24(line 24) the Hoare annotation is: true 18.52/9.36 [2019-03-28 12:04:02,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:04:02 BasicIcfg 18.52/9.36 [2019-03-28 12:04:02,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 18.52/9.36 [2019-03-28 12:04:02,630 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 18.52/9.36 [2019-03-28 12:04:02,630 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 18.52/9.36 [2019-03-28 12:04:02,634 INFO L276 PluginConnector]: BuchiAutomizer initialized 18.52/9.36 [2019-03-28 12:04:02,634 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.52/9.36 [2019-03-28 12:04:02,635 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:04:01" (1/5) ... 18.52/9.36 [2019-03-28 12:04:02,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cd23397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:04:02, skipping insertion in model container 18.52/9.36 [2019-03-28 12:04:02,635 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.52/9.36 [2019-03-28 12:04:02,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:02" (2/5) ... 18.52/9.36 [2019-03-28 12:04:02,636 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cd23397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:04:02, skipping insertion in model container 18.52/9.36 [2019-03-28 12:04:02,636 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.52/9.36 [2019-03-28 12:04:02,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:02" (3/5) ... 18.52/9.36 [2019-03-28 12:04:02,637 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cd23397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:04:02, skipping insertion in model container 18.52/9.36 [2019-03-28 12:04:02,637 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.52/9.36 [2019-03-28 12:04:02,637 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:04:02" (4/5) ... 18.52/9.36 [2019-03-28 12:04:02,637 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cd23397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:04:02, skipping insertion in model container 18.52/9.36 [2019-03-28 12:04:02,638 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.52/9.36 [2019-03-28 12:04:02,638 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:04:02" (5/5) ... 18.52/9.36 [2019-03-28 12:04:02,639 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.52/9.36 [2019-03-28 12:04:02,667 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.52/9.36 [2019-03-28 12:04:02,668 INFO L374 BuchiCegarLoop]: Interprodecural is true 18.52/9.36 [2019-03-28 12:04:02,668 INFO L375 BuchiCegarLoop]: Hoare is true 18.52/9.36 [2019-03-28 12:04:02,668 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 18.52/9.36 [2019-03-28 12:04:02,668 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 18.52/9.36 [2019-03-28 12:04:02,668 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.52/9.36 [2019-03-28 12:04:02,668 INFO L379 BuchiCegarLoop]: Difference is false 18.52/9.36 [2019-03-28 12:04:02,669 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 18.52/9.36 [2019-03-28 12:04:02,669 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 18.52/9.36 [2019-03-28 12:04:02,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. 18.52/9.36 [2019-03-28 12:04:02,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.52/9.36 [2019-03-28 12:04:02,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.52/9.36 [2019-03-28 12:04:02,693 INFO L119 BuchiIsEmpty]: Starting construction of run 18.52/9.36 [2019-03-28 12:04:02,700 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] 18.52/9.36 [2019-03-28 12:04:02,700 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.52/9.36 [2019-03-28 12:04:02,700 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 18.52/9.36 [2019-03-28 12:04:02,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. 18.52/9.36 [2019-03-28 12:04:02,702 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 18.52/9.36 [2019-03-28 12:04:02,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.52/9.36 [2019-03-28 12:04:02,702 INFO L119 BuchiIsEmpty]: Starting construction of run 18.52/9.36 [2019-03-28 12:04:02,703 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] 18.52/9.36 [2019-03-28 12:04:02,703 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 18.52/9.36 [2019-03-28 12:04:02,709 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue [41] ULTIMATE.startENTRY-->L30: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_6|, ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_3|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_5, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_3|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_3|} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_random_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res, ULTIMATE.start_main_#t~ret4] 13#L30true [38] L30-->L33: Formula: (and (= |v_ULTIMATE.start_random_#res_7| (- v_ULTIMATE.start_random_~x~1_7)) (< v_ULTIMATE.start_random_~x~1_7 0)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_7} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_7, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_7|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 8#L33true [46] L33-->L30-1: Formula: (= |v_ULTIMATE.start_main_#t~ret3_1| |v_ULTIMATE.start_random_#res_2|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_2|} OutVars{ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_1|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_1, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_random_#t~nondet5, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res] 11#L30-1true [53] L30-1-->L33-1: Formula: (and (>= v_ULTIMATE.start_random_~x~1_4 0) (= |v_ULTIMATE.start_random_#res_4| v_ULTIMATE.start_random_~x~1_4)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_4|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 6#L33-1true [42] L33-1-->L24: Formula: (= |v_ULTIMATE.start_main_#t~ret4_1| |v_ULTIMATE.start_random_#res_5|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_5|} OutVars{ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_1|, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret4] 12#L24true [48] L24-->loopENTRY: Formula: (and (= |v_loop_#in~bInParam_2| (- |v_ULTIMATE.start_main_#t~ret4_5|)) (= |v_loop_#in~aInParam_2| (- |v_ULTIMATE.start_main_#t~ret3_5|))) InVars {ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_5|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} OutVars{loop_#in~b=|v_loop_#in~bInParam_2|, loop_#in~a=|v_loop_#in~aInParam_2|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 3#loopENTRYtrue 18.52/9.36 [2019-03-28 12:04:02,709 INFO L796 eck$LassoCheckResult]: Loop: 3#loopENTRYtrue [34] loopENTRY-->L37: Formula: (and (= v_loop_~b_1 |v_loop_#in~b_1|) (= v_loop_~a_1 |v_loop_#in~a_1|)) InVars {loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|} OutVars{loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|, loop_~b=v_loop_~b_1, loop_~a=v_loop_~a_1} AuxVars[] AssignedVars[loop_~b, loop_~a] 7#L37true [43] L37-->L40: Formula: (and (< v_loop_~b_3 v_loop_~a_3) (= v_loop_~b_2 (+ v_loop_~b_3 v_loop_~a_3)) (= v_loop_~a_2 (+ v_loop_~a_3 1))) InVars {loop_~b=v_loop_~b_3, loop_~a=v_loop_~a_3} OutVars{loop_~b=v_loop_~b_2, loop_~a=v_loop_~a_2} AuxVars[] AssignedVars[loop_~b, loop_~a] 4#L40true [35] L40-->loopENTRY: Formula: (and (= |v_loop_#in~bInParam_1| v_loop_~b_6) (= |v_loop_#in~aInParam_1| v_loop_~a_6)) InVars {loop_~b=v_loop_~b_6, loop_~a=v_loop_~a_6} OutVars{loop_#in~b=|v_loop_#in~bInParam_1|, loop_#in~a=|v_loop_#in~aInParam_1|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 3#loopENTRYtrue 18.52/9.36 [2019-03-28 12:04:02,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.52/9.36 [2019-03-28 12:04:02,716 INFO L82 PathProgramCache]: Analyzing trace with hash 2097815339, now seen corresponding path program 1 times 18.52/9.36 [2019-03-28 12:04:02,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.52/9.36 [2019-03-28 12:04:02,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.52/9.36 [2019-03-28 12:04:02,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.52/9.36 [2019-03-28 12:04:02,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.52/9.36 [2019-03-28 12:04:02,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.52/9.36 [2019-03-28 12:04:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.52/9.36 [2019-03-28 12:04:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.52/9.36 [2019-03-28 12:04:02,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.52/9.36 [2019-03-28 12:04:02,806 INFO L82 PathProgramCache]: Analyzing trace with hash 63833, now seen corresponding path program 1 times 18.52/9.36 [2019-03-28 12:04:02,806 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.52/9.36 [2019-03-28 12:04:02,806 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.52/9.36 [2019-03-28 12:04:02,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.52/9.36 [2019-03-28 12:04:02,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.52/9.36 [2019-03-28 12:04:02,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.52/9.36 [2019-03-28 12:04:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.52/9.36 [2019-03-28 12:04:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.52/9.36 [2019-03-28 12:04:02,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.52/9.36 [2019-03-28 12:04:02,828 INFO L82 PathProgramCache]: Analyzing trace with hash -52325905, now seen corresponding path program 1 times 18.52/9.36 [2019-03-28 12:04:02,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.52/9.36 [2019-03-28 12:04:02,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.52/9.36 [2019-03-28 12:04:02,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.52/9.36 [2019-03-28 12:04:02,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.52/9.36 [2019-03-28 12:04:02,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.52/9.36 [2019-03-28 12:04:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.52/9.36 [2019-03-28 12:04:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.52/9.36 [2019-03-28 12:04:02,941 INFO L216 LassoAnalysis]: Preferences: 18.52/9.36 [2019-03-28 12:04:02,942 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.52/9.36 [2019-03-28 12:04:02,942 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.52/9.36 [2019-03-28 12:04:02,943 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.52/9.36 [2019-03-28 12:04:02,943 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.52/9.36 [2019-03-28 12:04:02,943 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.52/9.36 [2019-03-28 12:04:02,943 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.52/9.36 [2019-03-28 12:04:02,943 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.52/9.36 [2019-03-28 12:04:02,944 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.52/9.36 [2019-03-28 12:04:02,944 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.52/9.36 [2019-03-28 12:04:02,944 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.52/9.36 [2019-03-28 12:04:02,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.52/9.36 [2019-03-28 12:04:02,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.52/9.36 [2019-03-28 12:04:02,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.52/9.36 [2019-03-28 12:04:03,042 INFO L300 LassoAnalysis]: Preprocessing complete. 18.52/9.36 [2019-03-28 12:04:03,043 INFO L412 LassoAnalysis]: Checking for nontermination... 18.52/9.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.52/9.36 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.52/9.36 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.52/9.36 [2019-03-28 12:04:03,050 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.52/9.36 [2019-03-28 12:04:03,050 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.52/9.36 [2019-03-28 12:04:03,059 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.52/9.36 [2019-03-28 12:04:03,059 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_~b=0} Honda state: {loop_~b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.52/9.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.52/9.36 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.52/9.36 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.52/9.36 [2019-03-28 12:04:03,090 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.52/9.36 [2019-03-28 12:04:03,090 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.52/9.36 [2019-03-28 12:04:03,094 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.52/9.36 [2019-03-28 12:04:03,094 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_~a=0} Honda state: {loop_~a=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 18.52/9.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.52/9.36 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.52/9.36 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.52/9.36 [2019-03-28 12:04:03,127 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.52/9.36 [2019-03-28 12:04:03,127 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.52/9.36 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.52/9.36 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.52/9.36 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.52/9.36 [2019-03-28 12:04:03,158 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.52/9.36 [2019-03-28 12:04:03,159 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.52/9.36 [2019-03-28 12:04:05,285 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.52/9.36 [2019-03-28 12:04:05,287 INFO L216 LassoAnalysis]: Preferences: 18.52/9.36 [2019-03-28 12:04:05,299 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.52/9.36 [2019-03-28 12:04:05,300 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.52/9.36 [2019-03-28 12:04:05,300 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.52/9.36 [2019-03-28 12:04:05,300 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.52/9.36 [2019-03-28 12:04:05,300 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.52/9.36 [2019-03-28 12:04:05,300 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.52/9.36 [2019-03-28 12:04:05,300 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.52/9.36 [2019-03-28 12:04:05,300 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.52/9.36 [2019-03-28 12:04:05,301 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.52/9.36 [2019-03-28 12:04:05,301 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.52/9.36 [2019-03-28 12:04:05,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.52/9.36 [2019-03-28 12:04:05,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.52/9.36 [2019-03-28 12:04:05,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.52/9.36 [2019-03-28 12:04:05,350 INFO L300 LassoAnalysis]: Preprocessing complete. 18.52/9.36 [2019-03-28 12:04:05,356 INFO L497 LassoAnalysis]: Using template 'affine'. 18.52/9.36 [2019-03-28 12:04:05,357 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.52/9.36 Termination analysis: LINEAR_WITH_GUESSES 18.52/9.36 Number of strict supporting invariants: 0 18.52/9.36 Number of non-strict supporting invariants: 1 18.52/9.36 Consider only non-deceasing supporting invariants: true 18.52/9.36 Simplify termination arguments: true 18.52/9.36 Simplify supporting invariants: trueOverapproximate stem: false 18.52/9.36 [2019-03-28 12:04:05,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.52/9.36 [2019-03-28 12:04:05,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.52/9.36 [2019-03-28 12:04:05,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.52/9.36 [2019-03-28 12:04:05,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.52/9.36 [2019-03-28 12:04:05,360 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.52/9.36 [2019-03-28 12:04:05,362 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.52/9.36 [2019-03-28 12:04:05,362 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.52/9.36 [2019-03-28 12:04:05,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.52/9.36 [2019-03-28 12:04:05,366 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.52/9.36 Termination analysis: LINEAR_WITH_GUESSES 18.52/9.36 Number of strict supporting invariants: 0 18.52/9.36 Number of non-strict supporting invariants: 1 18.52/9.36 Consider only non-deceasing supporting invariants: true 18.52/9.36 Simplify termination arguments: true 18.52/9.36 Simplify supporting invariants: trueOverapproximate stem: false 18.52/9.36 [2019-03-28 12:04:05,367 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.52/9.36 [2019-03-28 12:04:05,367 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.52/9.36 [2019-03-28 12:04:05,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.52/9.36 [2019-03-28 12:04:05,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.52/9.36 [2019-03-28 12:04:05,368 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.52/9.36 [2019-03-28 12:04:05,368 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.52/9.36 [2019-03-28 12:04:05,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.52/9.36 [2019-03-28 12:04:05,370 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.52/9.36 [2019-03-28 12:04:05,370 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.52/9.36 Termination analysis: LINEAR_WITH_GUESSES 18.52/9.36 Number of strict supporting invariants: 0 18.52/9.36 Number of non-strict supporting invariants: 1 18.52/9.36 Consider only non-deceasing supporting invariants: true 18.52/9.36 Simplify termination arguments: true 18.52/9.36 Simplify supporting invariants: trueOverapproximate stem: false 18.52/9.36 [2019-03-28 12:04:05,371 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.52/9.36 [2019-03-28 12:04:05,371 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.52/9.36 [2019-03-28 12:04:05,371 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.52/9.36 [2019-03-28 12:04:05,371 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.52/9.36 [2019-03-28 12:04:05,371 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.52/9.36 [2019-03-28 12:04:05,372 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.52/9.36 [2019-03-28 12:04:05,373 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.52/9.36 [2019-03-28 12:04:05,380 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.52/9.36 [2019-03-28 12:04:05,380 INFO L497 LassoAnalysis]: Using template '2-nested'. 18.52/9.36 [2019-03-28 12:04:05,380 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.52/9.36 Termination analysis: LINEAR_WITH_GUESSES 18.52/9.36 Number of strict supporting invariants: 0 18.52/9.36 Number of non-strict supporting invariants: 1 18.52/9.36 Consider only non-deceasing supporting invariants: true 18.52/9.36 Simplify termination arguments: true 18.52/9.36 Simplify supporting invariants: trueOverapproximate stem: false 18.52/9.36 [2019-03-28 12:04:05,381 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.52/9.36 [2019-03-28 12:04:05,381 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.52/9.36 [2019-03-28 12:04:05,381 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.52/9.36 [2019-03-28 12:04:05,382 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.52/9.36 [2019-03-28 12:04:05,382 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 18.52/9.36 [2019-03-28 12:04:05,382 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 18.52/9.36 [2019-03-28 12:04:05,383 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.52/9.36 [2019-03-28 12:04:05,384 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.52/9.36 [2019-03-28 12:04:05,384 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.52/9.36 Termination analysis: LINEAR_WITH_GUESSES 18.52/9.36 Number of strict supporting invariants: 0 18.52/9.36 Number of non-strict supporting invariants: 1 18.52/9.36 Consider only non-deceasing supporting invariants: true 18.52/9.36 Simplify termination arguments: true 18.52/9.36 Simplify supporting invariants: trueOverapproximate stem: false 18.52/9.36 [2019-03-28 12:04:05,385 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.52/9.36 [2019-03-28 12:04:05,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.52/9.36 [2019-03-28 12:04:05,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.52/9.36 [2019-03-28 12:04:05,385 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.52/9.36 [2019-03-28 12:04:05,386 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 18.52/9.36 [2019-03-28 12:04:05,386 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 18.52/9.36 [2019-03-28 12:04:05,387 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.52/9.36 [2019-03-28 12:04:05,388 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.52/9.36 [2019-03-28 12:04:05,388 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.52/9.36 Termination analysis: LINEAR_WITH_GUESSES 18.52/9.36 Number of strict supporting invariants: 0 18.52/9.36 Number of non-strict supporting invariants: 1 18.52/9.36 Consider only non-deceasing supporting invariants: true 18.52/9.36 Simplify termination arguments: true 18.52/9.36 Simplify supporting invariants: trueOverapproximate stem: false 18.52/9.36 [2019-03-28 12:04:05,389 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.52/9.36 [2019-03-28 12:04:05,389 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.52/9.36 [2019-03-28 12:04:05,389 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.52/9.36 [2019-03-28 12:04:05,389 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.52/9.36 [2019-03-28 12:04:05,389 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 18.52/9.36 [2019-03-28 12:04:05,391 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 18.52/9.36 [2019-03-28 12:04:05,391 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.52/9.36 [2019-03-28 12:04:05,401 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.52/9.36 [2019-03-28 12:04:05,421 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. 18.52/9.36 [2019-03-28 12:04:05,421 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. 18.52/9.36 [2019-03-28 12:04:05,423 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.52/9.36 [2019-03-28 12:04:05,423 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.52/9.36 [2019-03-28 12:04:05,424 INFO L518 LassoAnalysis]: Proved termination. 18.52/9.36 [2019-03-28 12:04:05,424 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.52/9.36 Ranking function 2-nested ranking function: 18.52/9.36 f0 = -2*loop_#in~a + 3 18.52/9.36 f1 = -2*loop_#in~b + 2*loop_#in~a 18.52/9.36 Supporting invariants [] 18.52/9.36 [2019-03-28 12:04:05,426 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.52/9.36 [2019-03-28 12:04:05,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.52/9.36 [2019-03-28 12:04:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.52/9.36 [2019-03-28 12:04:05,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core 18.52/9.36 [2019-03-28 12:04:05,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.52/9.36 [2019-03-28 12:04:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.52/9.36 [2019-03-28 12:04:05,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 17 conjunts are in the unsatisfiable core 18.52/9.36 [2019-03-28 12:04:05,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.52/9.36 [2019-03-28 12:04:05,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.52/9.36 [2019-03-28 12:04:06,136 INFO L98 LoopCannibalizer]: 18 predicates before loop cannibalization 18 predicates after loop cannibalization 18.52/9.36 [2019-03-28 12:04:06,142 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 18 loop predicates 18.52/9.36 [2019-03-28 12:04:06,143 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states. Second operand 4 states. 18.52/9.36 [2019-03-28 12:04:06,500 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 18.52/9.36 [2019-03-28 12:04:06,614 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states.. Second operand 4 states. Result 40 states and 46 transitions. Complement of second has 19 states. 18.52/9.36 [2019-03-28 12:04:06,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states 18.52/9.36 [2019-03-28 12:04:06,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 18.52/9.36 [2019-03-28 12:04:06,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. 18.52/9.36 [2019-03-28 12:04:06,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 6 letters. Loop has 3 letters. 18.52/9.36 [2019-03-28 12:04:06,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.52/9.36 [2019-03-28 12:04:06,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 9 letters. Loop has 3 letters. 18.52/9.36 [2019-03-28 12:04:06,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.52/9.36 [2019-03-28 12:04:06,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 6 letters. Loop has 6 letters. 18.52/9.36 [2019-03-28 12:04:06,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.52/9.36 [2019-03-28 12:04:06,634 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 46 transitions. 18.52/9.36 [2019-03-28 12:04:06,639 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.52/9.36 [2019-03-28 12:04:06,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. 18.52/9.36 [2019-03-28 12:04:06,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 18.52/9.36 [2019-03-28 12:04:06,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 18.52/9.36 [2019-03-28 12:04:06,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 18.52/9.36 [2019-03-28 12:04:06,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.52/9.36 [2019-03-28 12:04:06,644 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.52/9.36 [2019-03-28 12:04:06,644 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.52/9.36 [2019-03-28 12:04:06,644 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.52/9.36 [2019-03-28 12:04:06,644 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 18.52/9.36 [2019-03-28 12:04:06,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 18.52/9.36 [2019-03-28 12:04:06,645 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.52/9.36 [2019-03-28 12:04:06,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 18.52/9.36 [2019-03-28 12:04:06,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:04:06 BasicIcfg 18.52/9.36 [2019-03-28 12:04:06,651 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 18.52/9.36 [2019-03-28 12:04:06,651 INFO L168 Benchmark]: Toolchain (without parser) took 4848.82 ms. Allocated memory was 649.6 MB in the beginning and 670.6 MB in the end (delta: 21.0 MB). Free memory was 565.0 MB in the beginning and 395.3 MB in the end (delta: 169.7 MB). Peak memory consumption was 190.6 MB. Max. memory is 50.3 GB. 18.52/9.36 [2019-03-28 12:04:06,653 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.52/9.36 [2019-03-28 12:04:06,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.10 ms. Allocated memory is still 649.6 MB. Free memory was 565.0 MB in the beginning and 554.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 18.52/9.36 [2019-03-28 12:04:06,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.43 ms. Allocated memory was 649.6 MB in the beginning and 670.6 MB in the end (delta: 21.0 MB). Free memory was 554.2 MB in the beginning and 635.0 MB in the end (delta: -80.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 18.52/9.36 [2019-03-28 12:04:06,654 INFO L168 Benchmark]: Boogie Preprocessor took 18.58 ms. Allocated memory is still 670.6 MB. Free memory is still 635.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.52/9.36 [2019-03-28 12:04:06,655 INFO L168 Benchmark]: RCFGBuilder took 221.69 ms. Allocated memory is still 670.6 MB. Free memory was 633.7 MB in the beginning and 619.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. 18.52/9.36 [2019-03-28 12:04:06,655 INFO L168 Benchmark]: BlockEncodingV2 took 76.69 ms. Allocated memory is still 670.6 MB. Free memory was 619.3 MB in the beginning and 614.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 18.52/9.36 [2019-03-28 12:04:06,656 INFO L168 Benchmark]: TraceAbstraction took 176.43 ms. Allocated memory is still 670.6 MB. Free memory was 614.1 MB in the beginning and 603.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 18.52/9.36 [2019-03-28 12:04:06,657 INFO L168 Benchmark]: BuchiAutomizer took 4020.73 ms. Allocated memory is still 670.6 MB. Free memory was 603.3 MB in the beginning and 395.3 MB in the end (delta: 208.0 MB). Peak memory consumption was 208.0 MB. Max. memory is 50.3 GB. 18.52/9.36 [2019-03-28 12:04:06,660 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 18.52/9.36 --- Results --- 18.52/9.36 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 18.52/9.36 - StatisticsResult: Initial Icfg 18.52/9.36 15 locations, 18 edges 18.52/9.36 - StatisticsResult: Encoded RCFG 18.52/9.36 11 locations, 14 edges 18.52/9.36 * Results from de.uni_freiburg.informatik.ultimate.core: 18.52/9.36 - StatisticsResult: Toolchain Benchmarks 18.52/9.36 Benchmark results are: 18.52/9.36 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 586.5 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.52/9.36 * CACSL2BoogieTranslator took 232.10 ms. Allocated memory is still 649.6 MB. Free memory was 565.0 MB in the beginning and 554.2 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 18.52/9.36 * Boogie Procedure Inliner took 97.43 ms. Allocated memory was 649.6 MB in the beginning and 670.6 MB in the end (delta: 21.0 MB). Free memory was 554.2 MB in the beginning and 635.0 MB in the end (delta: -80.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 50.3 GB. 18.52/9.36 * Boogie Preprocessor took 18.58 ms. Allocated memory is still 670.6 MB. Free memory is still 635.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.52/9.36 * RCFGBuilder took 221.69 ms. Allocated memory is still 670.6 MB. Free memory was 633.7 MB in the beginning and 619.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 50.3 GB. 18.52/9.36 * BlockEncodingV2 took 76.69 ms. Allocated memory is still 670.6 MB. Free memory was 619.3 MB in the beginning and 614.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 50.3 GB. 18.52/9.36 * TraceAbstraction took 176.43 ms. Allocated memory is still 670.6 MB. Free memory was 614.1 MB in the beginning and 603.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 18.52/9.36 * BuchiAutomizer took 4020.73 ms. Allocated memory is still 670.6 MB. Free memory was 603.3 MB in the beginning and 395.3 MB in the end (delta: 208.0 MB). Peak memory consumption was 208.0 MB. Max. memory is 50.3 GB. 18.52/9.36 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 18.52/9.36 - AllSpecificationsHoldResult: All specifications hold 18.52/9.36 We were not able to verify any specifiation because the program does not contain any specification. 18.52/9.36 - InvariantResult [Line: 28]: Loop Invariant 18.52/9.36 Derived loop invariant: 1 18.52/9.36 - InvariantResult [Line: 28]: Loop Invariant 18.52/9.36 Derived loop invariant: 1 18.52/9.36 - StatisticsResult: Ultimate Automizer benchmark data 18.52/9.36 CFG has 2 procedures, 11 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=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 18.52/9.36 - StatisticsResult: Constructed decomposition of program 18.52/9.36 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if -2 * \old(a) + 3 > 0 then 1 else 0), (if -2 * \old(a) + 3 > 0 then -2 * \old(a) + 3 else -2 * \old(b) + 2 * \old(a)) and consists of 6 locations. 18.52/9.36 - StatisticsResult: Timing statistics 18.52/9.36 BüchiAutomizer plugin needed 3.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 48 SDslu, 13 SDs, 0 SdLazy, 34 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 3ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.1s 18.52/9.36 - TerminationAnalysisResult: Termination proven 18.52/9.36 Buchi Automizer proved that your program is terminating 18.52/9.36 RESULT: Ultimate proved your program to be correct! 18.52/9.36 !SESSION 2019-03-28 12:03:58.514 ----------------------------------------------- 18.52/9.36 eclipse.buildId=unknown 18.52/9.36 java.version=1.8.0_181 18.52/9.36 java.vendor=Oracle Corporation 18.52/9.36 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 18.52/9.36 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.52/9.36 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.52/9.36 18.52/9.36 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:04:06.893 18.52/9.36 !MESSAGE The workspace will exit with unsaved changes in this session. 18.52/9.36 Received shutdown request... 18.52/9.36 Ultimate: 18.52/9.36 GTK+ Version Check 18.52/9.36 EOF