11.88/5.65 NO 11.88/5.65 11.88/5.65 Ultimate: Cannot open display: 11.88/5.65 This is Ultimate 0.1.24-8dc7c08-m 11.88/5.65 [2019-03-28 12:26:45,927 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.88/5.65 [2019-03-28 12:26:45,929 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.88/5.65 [2019-03-28 12:26:45,941 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.88/5.65 [2019-03-28 12:26:45,941 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.88/5.65 [2019-03-28 12:26:45,942 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.88/5.65 [2019-03-28 12:26:45,943 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.88/5.65 [2019-03-28 12:26:45,945 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.88/5.65 [2019-03-28 12:26:45,946 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.88/5.65 [2019-03-28 12:26:45,947 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.88/5.65 [2019-03-28 12:26:45,948 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.88/5.65 [2019-03-28 12:26:45,948 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.88/5.65 [2019-03-28 12:26:45,949 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.88/5.65 [2019-03-28 12:26:45,950 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.88/5.65 [2019-03-28 12:26:45,951 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.88/5.65 [2019-03-28 12:26:45,952 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.88/5.65 [2019-03-28 12:26:45,953 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.88/5.65 [2019-03-28 12:26:45,954 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.88/5.65 [2019-03-28 12:26:45,956 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.88/5.65 [2019-03-28 12:26:45,958 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.88/5.65 [2019-03-28 12:26:45,959 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.88/5.65 [2019-03-28 12:26:45,960 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.88/5.65 [2019-03-28 12:26:45,962 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.88/5.65 [2019-03-28 12:26:45,962 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.88/5.65 [2019-03-28 12:26:45,962 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.88/5.65 [2019-03-28 12:26:45,963 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.88/5.65 [2019-03-28 12:26:45,964 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.88/5.65 [2019-03-28 12:26:45,964 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.88/5.65 [2019-03-28 12:26:45,965 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.88/5.65 [2019-03-28 12:26:45,965 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.88/5.65 [2019-03-28 12:26:45,966 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.88/5.65 [2019-03-28 12:26:45,967 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.88/5.65 [2019-03-28 12:26:45,968 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.88/5.65 [2019-03-28 12:26:45,968 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.88/5.65 [2019-03-28 12:26:45,969 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.88/5.65 [2019-03-28 12:26:45,969 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.88/5.65 [2019-03-28 12:26:45,969 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.88/5.65 [2019-03-28 12:26:45,970 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.88/5.65 [2019-03-28 12:26:45,970 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.88/5.65 [2019-03-28 12:26:45,971 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 11.88/5.65 [2019-03-28 12:26:45,985 INFO L110 SettingsManager]: Loading preferences was successful 11.88/5.65 [2019-03-28 12:26:45,986 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.88/5.65 [2019-03-28 12:26:45,987 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.88/5.65 [2019-03-28 12:26:45,987 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.88/5.65 [2019-03-28 12:26:45,987 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.88/5.65 [2019-03-28 12:26:45,987 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.88/5.65 [2019-03-28 12:26:45,987 INFO L133 SettingsManager]: * Use SBE=true 11.88/5.65 [2019-03-28 12:26:45,988 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.88/5.65 [2019-03-28 12:26:45,988 INFO L133 SettingsManager]: * Use old map elimination=false 11.88/5.65 [2019-03-28 12:26:45,988 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.88/5.65 [2019-03-28 12:26:45,988 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.88/5.65 [2019-03-28 12:26:45,988 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.88/5.65 [2019-03-28 12:26:45,988 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.88/5.65 [2019-03-28 12:26:45,989 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.88/5.65 [2019-03-28 12:26:45,989 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.88/5.65 [2019-03-28 12:26:45,989 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.88/5.65 [2019-03-28 12:26:45,989 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.88/5.65 [2019-03-28 12:26:45,989 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.88/5.65 [2019-03-28 12:26:45,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.88/5.65 [2019-03-28 12:26:45,990 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.88/5.65 [2019-03-28 12:26:45,990 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.88/5.65 [2019-03-28 12:26:45,990 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.88/5.65 [2019-03-28 12:26:45,990 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.88/5.65 [2019-03-28 12:26:45,990 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.88/5.65 [2019-03-28 12:26:45,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.88/5.65 [2019-03-28 12:26:45,991 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.88/5.65 [2019-03-28 12:26:45,991 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.88/5.65 [2019-03-28 12:26:45,991 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.88/5.65 [2019-03-28 12:26:45,991 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.88/5.65 [2019-03-28 12:26:46,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.88/5.65 [2019-03-28 12:26:46,030 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.88/5.65 [2019-03-28 12:26:46,033 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.88/5.65 [2019-03-28 12:26:46,035 INFO L271 PluginConnector]: Initializing CDTParser... 11.88/5.65 [2019-03-28 12:26:46,035 INFO L276 PluginConnector]: CDTParser initialized 11.88/5.65 [2019-03-28 12:26:46,036 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 11.88/5.65 [2019-03-28 12:26:46,101 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/7d295f8c29f64e09a29ad51fc7db63e1/FLAG78ad9bd52 11.88/5.65 [2019-03-28 12:26:46,437 INFO L307 CDTParser]: Found 1 translation units. 11.88/5.65 [2019-03-28 12:26:46,438 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 11.88/5.65 [2019-03-28 12:26:46,445 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/7d295f8c29f64e09a29ad51fc7db63e1/FLAG78ad9bd52 11.88/5.65 [2019-03-28 12:26:46,857 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/7d295f8c29f64e09a29ad51fc7db63e1 11.88/5.65 [2019-03-28 12:26:46,868 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.88/5.65 [2019-03-28 12:26:46,870 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.88/5.65 [2019-03-28 12:26:46,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.88/5.65 [2019-03-28 12:26:46,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.88/5.65 [2019-03-28 12:26:46,874 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.88/5.65 [2019-03-28 12:26:46,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:26:46" (1/1) ... 11.88/5.65 [2019-03-28 12:26:46,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2c0855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:46, skipping insertion in model container 11.88/5.65 [2019-03-28 12:26:46,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:26:46" (1/1) ... 11.88/5.65 [2019-03-28 12:26:46,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.88/5.65 [2019-03-28 12:26:46,903 INFO L176 MainTranslator]: Built tables and reachable declarations 11.88/5.65 [2019-03-28 12:26:47,059 INFO L206 PostProcessor]: Analyzing one entry point: main 11.88/5.65 [2019-03-28 12:26:47,064 INFO L191 MainTranslator]: Completed pre-run 11.88/5.65 [2019-03-28 12:26:47,079 INFO L206 PostProcessor]: Analyzing one entry point: main 11.88/5.65 [2019-03-28 12:26:47,157 INFO L195 MainTranslator]: Completed translation 11.88/5.65 [2019-03-28 12:26:47,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47 WrapperNode 11.88/5.65 [2019-03-28 12:26:47,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.88/5.65 [2019-03-28 12:26:47,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.88/5.65 [2019-03-28 12:26:47,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.88/5.65 [2019-03-28 12:26:47,159 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.88/5.65 [2019-03-28 12:26:47,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (1/1) ... 11.88/5.65 [2019-03-28 12:26:47,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (1/1) ... 11.88/5.65 [2019-03-28 12:26:47,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.88/5.65 [2019-03-28 12:26:47,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.88/5.65 [2019-03-28 12:26:47,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.88/5.65 [2019-03-28 12:26:47,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.88/5.65 [2019-03-28 12:26:47,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (1/1) ... 11.88/5.65 [2019-03-28 12:26:47,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (1/1) ... 11.88/5.65 [2019-03-28 12:26:47,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (1/1) ... 11.88/5.65 [2019-03-28 12:26:47,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (1/1) ... 11.88/5.65 [2019-03-28 12:26:47,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (1/1) ... 11.88/5.65 [2019-03-28 12:26:47,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (1/1) ... 11.88/5.65 [2019-03-28 12:26:47,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (1/1) ... 11.88/5.65 [2019-03-28 12:26:47,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.88/5.65 [2019-03-28 12:26:47,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.88/5.65 [2019-03-28 12:26:47,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.88/5.65 [2019-03-28 12:26:47,213 INFO L276 PluginConnector]: RCFGBuilder initialized 11.88/5.65 [2019-03-28 12:26:47,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (1/1) ... 11.88/5.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 11.88/5.65 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.88/5.65 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.88/5.65 [2019-03-28 12:26:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure rec 11.88/5.65 [2019-03-28 12:26:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rec 11.88/5.65 [2019-03-28 12:26:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.88/5.65 [2019-03-28 12:26:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.88/5.65 [2019-03-28 12:26:47,418 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.88/5.65 [2019-03-28 12:26:47,418 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. 11.88/5.65 [2019-03-28 12:26:47,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:47 BoogieIcfgContainer 11.88/5.65 [2019-03-28 12:26:47,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.88/5.65 [2019-03-28 12:26:47,420 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.88/5.65 [2019-03-28 12:26:47,420 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.88/5.65 [2019-03-28 12:26:47,423 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.88/5.65 [2019-03-28 12:26:47,424 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:47" (1/1) ... 11.88/5.65 [2019-03-28 12:26:47,440 INFO L313 BlockEncoder]: Initial Icfg 11 locations, 12 edges 11.88/5.65 [2019-03-28 12:26:47,442 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.88/5.65 [2019-03-28 12:26:47,443 INFO L263 BlockEncoder]: Using Maximize final states 11.88/5.65 [2019-03-28 12:26:47,444 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.88/5.65 [2019-03-28 12:26:47,444 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.88/5.65 [2019-03-28 12:26:47,446 INFO L296 BlockEncoder]: Using Remove sink states 11.88/5.65 [2019-03-28 12:26:47,447 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.88/5.65 [2019-03-28 12:26:47,447 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.88/5.65 [2019-03-28 12:26:47,462 INFO L185 BlockEncoder]: Using Use SBE 11.88/5.65 [2019-03-28 12:26:47,477 INFO L200 BlockEncoder]: SBE split 1 edges 11.88/5.65 [2019-03-28 12:26:47,481 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.88/5.65 [2019-03-28 12:26:47,483 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.88/5.65 [2019-03-28 12:26:47,495 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 11.88/5.65 [2019-03-28 12:26:47,498 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states 11.88/5.65 [2019-03-28 12:26:47,499 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.88/5.65 [2019-03-28 12:26:47,499 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.88/5.65 [2019-03-28 12:26:47,500 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.88/5.65 [2019-03-28 12:26:47,500 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.88/5.65 [2019-03-28 12:26:47,500 INFO L313 BlockEncoder]: Encoded RCFG 7 locations, 9 edges 11.88/5.65 [2019-03-28 12:26:47,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:26:47 BasicIcfg 11.88/5.65 [2019-03-28 12:26:47,501 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.88/5.65 [2019-03-28 12:26:47,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.88/5.65 [2019-03-28 12:26:47,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.88/5.65 [2019-03-28 12:26:47,505 INFO L276 PluginConnector]: TraceAbstraction initialized 11.88/5.65 [2019-03-28 12:26:47,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:26:46" (1/4) ... 11.88/5.65 [2019-03-28 12:26:47,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d21890e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:26:47, skipping insertion in model container 11.88/5.65 [2019-03-28 12:26:47,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (2/4) ... 11.88/5.65 [2019-03-28 12:26:47,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d21890e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:26:47, skipping insertion in model container 11.88/5.65 [2019-03-28 12:26:47,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:47" (3/4) ... 11.88/5.65 [2019-03-28 12:26:47,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d21890e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:26:47, skipping insertion in model container 11.88/5.65 [2019-03-28 12:26:47,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:26:47" (4/4) ... 11.88/5.65 [2019-03-28 12:26:47,509 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.88/5.65 [2019-03-28 12:26:47,520 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.88/5.65 [2019-03-28 12:26:47,528 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.88/5.65 [2019-03-28 12:26:47,546 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.88/5.65 [2019-03-28 12:26:47,575 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.88/5.65 [2019-03-28 12:26:47,575 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.88/5.65 [2019-03-28 12:26:47,576 INFO L383 AbstractCegarLoop]: Hoare is true 11.88/5.65 [2019-03-28 12:26:47,576 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.88/5.65 [2019-03-28 12:26:47,576 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.88/5.65 [2019-03-28 12:26:47,576 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.88/5.65 [2019-03-28 12:26:47,576 INFO L387 AbstractCegarLoop]: Difference is false 11.88/5.65 [2019-03-28 12:26:47,576 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.88/5.65 [2019-03-28 12:26:47,577 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.88/5.65 [2019-03-28 12:26:47,593 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. 11.88/5.65 [2019-03-28 12:26:47,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.88/5.65 [2019-03-28 12:26:47,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. 11.88/5.65 [2019-03-28 12:26:47,661 INFO L451 ceAbstractionStarter]: At program point recENTRY(lines 10 14) the Hoare annotation is: true 11.88/5.65 [2019-03-28 12:26:47,662 INFO L451 ceAbstractionStarter]: At program point L12(line 12) the Hoare annotation is: true 11.88/5.65 [2019-03-28 12:26:47,662 INFO L448 ceAbstractionStarter]: For program point L11(lines 11 13) no Hoare annotation was computed. 11.88/5.65 [2019-03-28 12:26:47,662 INFO L448 ceAbstractionStarter]: For program point L11-1(lines 10 14) no Hoare annotation was computed. 11.88/5.65 [2019-03-28 12:26:47,662 INFO L448 ceAbstractionStarter]: For program point recEXIT(lines 10 14) no Hoare annotation was computed. 11.88/5.65 [2019-03-28 12:26:47,663 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.88/5.65 [2019-03-28 12:26:47,663 INFO L451 ceAbstractionStarter]: At program point L18(line 18) the Hoare annotation is: true 11.88/5.65 [2019-03-28 12:26:47,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:26:47 BasicIcfg 11.88/5.65 [2019-03-28 12:26:47,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.88/5.65 [2019-03-28 12:26:47,667 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.88/5.65 [2019-03-28 12:26:47,667 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.88/5.65 [2019-03-28 12:26:47,671 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.88/5.65 [2019-03-28 12:26:47,671 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.88/5.65 [2019-03-28 12:26:47,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:26:46" (1/5) ... 11.88/5.65 [2019-03-28 12:26:47,672 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6407c0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:26:47, skipping insertion in model container 11.88/5.65 [2019-03-28 12:26:47,673 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.88/5.65 [2019-03-28 12:26:47,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:26:47" (2/5) ... 11.88/5.65 [2019-03-28 12:26:47,673 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6407c0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:26:47, skipping insertion in model container 11.88/5.65 [2019-03-28 12:26:47,673 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.88/5.65 [2019-03-28 12:26:47,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:26:47" (3/5) ... 11.88/5.65 [2019-03-28 12:26:47,674 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6407c0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:26:47, skipping insertion in model container 11.88/5.65 [2019-03-28 12:26:47,674 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.88/5.65 [2019-03-28 12:26:47,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:26:47" (4/5) ... 11.88/5.65 [2019-03-28 12:26:47,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6407c0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:26:47, skipping insertion in model container 11.88/5.65 [2019-03-28 12:26:47,675 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.88/5.65 [2019-03-28 12:26:47,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:26:47" (5/5) ... 11.88/5.65 [2019-03-28 12:26:47,677 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.88/5.65 [2019-03-28 12:26:47,705 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.88/5.65 [2019-03-28 12:26:47,706 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.88/5.65 [2019-03-28 12:26:47,706 INFO L375 BuchiCegarLoop]: Hoare is true 11.88/5.65 [2019-03-28 12:26:47,706 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.88/5.65 [2019-03-28 12:26:47,706 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.88/5.65 [2019-03-28 12:26:47,706 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.88/5.65 [2019-03-28 12:26:47,706 INFO L379 BuchiCegarLoop]: Difference is false 11.88/5.65 [2019-03-28 12:26:47,707 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.88/5.65 [2019-03-28 12:26:47,707 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.88/5.65 [2019-03-28 12:26:47,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. 11.88/5.65 [2019-03-28 12:26:47,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 11.88/5.65 [2019-03-28 12:26:47,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.88/5.65 [2019-03-28 12:26:47,731 INFO L119 BuchiIsEmpty]: Starting construction of run 11.88/5.65 [2019-03-28 12:26:47,738 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 11.88/5.65 [2019-03-28 12:26:47,738 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 11.88/5.65 [2019-03-28 12:26:47,738 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.88/5.65 [2019-03-28 12:26:47,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. 11.88/5.65 [2019-03-28 12:26:47,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 11.88/5.65 [2019-03-28 12:26:47,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.88/5.65 [2019-03-28 12:26:47,740 INFO L119 BuchiIsEmpty]: Starting construction of run 11.88/5.65 [2019-03-28 12:26:47,740 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 11.88/5.65 [2019-03-28 12:26:47,740 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 11.88/5.65 [2019-03-28 12:26:47,746 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [21] ULTIMATE.startENTRY-->L18: Formula: (= v_ULTIMATE.start_main_~n~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~n~0] 7#L18true [24] L18-->recENTRY: Formula: (and (= |v_rec_#in~xInParam_2| v_ULTIMATE.start_main_~n~0_5) (= |v_rec_#in~yInParam_2| (+ v_ULTIMATE.start_main_~n~0_5 1))) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_5} OutVars{rec_#in~x=|v_rec_#in~xInParam_2|, rec_#in~y=|v_rec_#in~yInParam_2|} AuxVars[] AssignedVars[rec_#in~x, rec_#in~y]< 3#recENTRYtrue 11.88/5.65 [2019-03-28 12:26:47,746 INFO L796 eck$LassoCheckResult]: Loop: 3#recENTRYtrue [20] recENTRY-->L11: Formula: (and (= v_rec_~x_1 |v_rec_#in~x_1|) (= v_rec_~y_1 |v_rec_#in~y_1|)) InVars {rec_#in~x=|v_rec_#in~x_1|, rec_#in~y=|v_rec_#in~y_1|} OutVars{rec_~y=v_rec_~y_1, rec_~x=v_rec_~x_1, rec_#in~x=|v_rec_#in~x_1|, rec_#in~y=|v_rec_#in~y_1|} AuxVars[] AssignedVars[rec_~y, rec_~x] 8#L11true [25] L11-->L12: Formula: (and (<= v_rec_~x_2 23) (<= 0 (+ v_rec_~x_2 42))) InVars {rec_~x=v_rec_~x_2} OutVars{rec_~x=v_rec_~x_2} AuxVars[] AssignedVars[] 5#L12true [23] L12-->recENTRY: Formula: (and (= |v_rec_#in~xInParam_1| (+ (* 2 v_rec_~y_3) (- 2))) (= |v_rec_#in~yInParam_1| (+ v_rec_~x_5 1))) InVars {rec_~y=v_rec_~y_3, rec_~x=v_rec_~x_5} OutVars{rec_#in~x=|v_rec_#in~xInParam_1|, rec_#in~y=|v_rec_#in~yInParam_1|} AuxVars[] AssignedVars[rec_#in~x, rec_#in~y]< 3#recENTRYtrue 11.88/5.65 [2019-03-28 12:26:47,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.88/5.65 [2019-03-28 12:26:47,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1636, now seen corresponding path program 1 times 11.88/5.65 [2019-03-28 12:26:47,755 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.88/5.65 [2019-03-28 12:26:47,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.88/5.65 [2019-03-28 12:26:47,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.88/5.65 [2019-03-28 12:26:47,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.88/5.65 [2019-03-28 12:26:47,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.88/5.65 [2019-03-28 12:26:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.88/5.65 [2019-03-28 12:26:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.88/5.65 [2019-03-28 12:26:47,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.88/5.65 [2019-03-28 12:26:47,833 INFO L82 PathProgramCache]: Analyzing trace with hash 49809, now seen corresponding path program 1 times 11.88/5.65 [2019-03-28 12:26:47,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.88/5.65 [2019-03-28 12:26:47,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.88/5.65 [2019-03-28 12:26:47,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.88/5.65 [2019-03-28 12:26:47,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.88/5.65 [2019-03-28 12:26:47,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.88/5.65 [2019-03-28 12:26:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.88/5.65 [2019-03-28 12:26:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.88/5.65 [2019-03-28 12:26:47,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.88/5.65 [2019-03-28 12:26:47,848 INFO L82 PathProgramCache]: Analyzing trace with hash 48758094, now seen corresponding path program 1 times 11.88/5.65 [2019-03-28 12:26:47,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.88/5.65 [2019-03-28 12:26:47,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.88/5.65 [2019-03-28 12:26:47,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.88/5.65 [2019-03-28 12:26:47,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.88/5.65 [2019-03-28 12:26:47,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.88/5.65 [2019-03-28 12:26:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.88/5.65 [2019-03-28 12:26:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.88/5.65 [2019-03-28 12:26:48,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:26:48 BasicIcfg 11.88/5.65 [2019-03-28 12:26:48,026 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.88/5.65 [2019-03-28 12:26:48,026 INFO L168 Benchmark]: Toolchain (without parser) took 1157.83 ms. Allocated memory was 649.6 MB in the beginning and 680.5 MB in the end (delta: 30.9 MB). Free memory was 559.1 MB in the beginning and 584.1 MB in the end (delta: -25.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 50.3 GB. 11.88/5.65 [2019-03-28 12:26:48,028 INFO L168 Benchmark]: CDTParser took 0.16 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. 11.88/5.65 [2019-03-28 12:26:48,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.20 ms. Allocated memory was 649.6 MB in the beginning and 680.5 MB in the end (delta: 30.9 MB). Free memory was 558.1 MB in the beginning and 647.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 11.88/5.65 [2019-03-28 12:26:48,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.54 ms. Allocated memory is still 680.5 MB. Free memory was 647.2 MB in the beginning and 646.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.88/5.65 [2019-03-28 12:26:48,030 INFO L168 Benchmark]: Boogie Preprocessor took 17.49 ms. Allocated memory is still 680.5 MB. Free memory was 646.2 MB in the beginning and 645.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.88/5.65 [2019-03-28 12:26:48,031 INFO L168 Benchmark]: RCFGBuilder took 206.91 ms. Allocated memory is still 680.5 MB. Free memory was 645.1 MB in the beginning and 629.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 11.88/5.65 [2019-03-28 12:26:48,032 INFO L168 Benchmark]: BlockEncodingV2 took 80.82 ms. Allocated memory is still 680.5 MB. Free memory was 629.7 MB in the beginning and 624.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 11.88/5.65 [2019-03-28 12:26:48,032 INFO L168 Benchmark]: TraceAbstraction took 164.56 ms. Allocated memory is still 680.5 MB. Free memory was 623.2 MB in the beginning and 614.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 11.88/5.65 [2019-03-28 12:26:48,033 INFO L168 Benchmark]: BuchiAutomizer took 359.02 ms. Allocated memory is still 680.5 MB. Free memory was 613.3 MB in the beginning and 584.1 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 50.3 GB. 11.88/5.65 [2019-03-28 12:26:48,037 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.88/5.65 --- Results --- 11.88/5.65 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.88/5.65 - StatisticsResult: Initial Icfg 11.88/5.65 11 locations, 12 edges 11.88/5.65 - StatisticsResult: Encoded RCFG 11.88/5.65 7 locations, 9 edges 11.88/5.65 * Results from de.uni_freiburg.informatik.ultimate.core: 11.88/5.65 - StatisticsResult: Toolchain Benchmarks 11.88/5.65 Benchmark results are: 11.88/5.65 * CDTParser took 0.16 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. 11.88/5.65 * CACSL2BoogieTranslator took 287.20 ms. Allocated memory was 649.6 MB in the beginning and 680.5 MB in the end (delta: 30.9 MB). Free memory was 558.1 MB in the beginning and 647.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 11.88/5.65 * Boogie Procedure Inliner took 36.54 ms. Allocated memory is still 680.5 MB. Free memory was 647.2 MB in the beginning and 646.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.88/5.65 * Boogie Preprocessor took 17.49 ms. Allocated memory is still 680.5 MB. Free memory was 646.2 MB in the beginning and 645.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 11.88/5.65 * RCFGBuilder took 206.91 ms. Allocated memory is still 680.5 MB. Free memory was 645.1 MB in the beginning and 629.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 50.3 GB. 11.88/5.65 * BlockEncodingV2 took 80.82 ms. Allocated memory is still 680.5 MB. Free memory was 629.7 MB in the beginning and 624.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 11.88/5.65 * TraceAbstraction took 164.56 ms. Allocated memory is still 680.5 MB. Free memory was 623.2 MB in the beginning and 614.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 11.88/5.65 * BuchiAutomizer took 359.02 ms. Allocated memory is still 680.5 MB. Free memory was 613.3 MB in the beginning and 584.1 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 50.3 GB. 11.88/5.65 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.88/5.65 - AllSpecificationsHoldResult: All specifications hold 11.88/5.65 We were not able to verify any specifiation because the program does not contain any specification. 11.88/5.65 - StatisticsResult: Ultimate Automizer benchmark data 11.88/5.65 CFG has 2 procedures, 7 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 11.88/5.65 - StatisticsResult: Constructed decomposition of program 11.88/5.65 Trivial decomposition into one nonterminating module. 11.88/5.65 - StatisticsResult: Timing statistics 11.88/5.65 BüchiAutomizer plugin needed 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 11.88/5.65 - TerminationAnalysisResult: Nontermination possible 11.88/5.65 Buchi Automizer proved that your program is nonterminating for some inputs 11.88/5.65 - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. 11.88/5.65 Nontermination argument in form of an infinite execution 11.88/5.65 State at position 0 is 11.88/5.65 {} 11.88/5.65 State at position 1 is 11.88/5.65 {x=0, y=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43eed3c9=0, \result=0, \old(x)=0, NULL=0, n=0, \old(y)=1} 11.88/5.65 - StatisticsResult: NonterminationArgumentStatistics 11.88/5.65 Fixpoint 11.88/5.65 - NonterminatingLassoResult [Line: 10]: Nonterminating execution 11.88/5.65 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.88/5.65 Stem: 11.88/5.65 [L17] int n = __VERIFIER_nondet_int(); 11.88/5.65 [L18] CALL rec(n, n + 1) 11.88/5.65 Loop: 11.88/5.65 [L11] COND TRUE x <= 23 && x >= -42 11.88/5.65 [L12] CALL rec(2*y-2, x + 1) 11.88/5.65 End of lasso representation. 11.88/5.65 RESULT: Ultimate proved your program to be incorrect! 11.88/5.65 !SESSION 2019-03-28 12:26:43.610 ----------------------------------------------- 11.88/5.65 eclipse.buildId=unknown 11.88/5.65 java.version=1.8.0_181 11.88/5.65 java.vendor=Oracle Corporation 11.88/5.65 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.88/5.65 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 11.88/5.65 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 11.88/5.65 11.88/5.65 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:26:48.271 11.88/5.65 !MESSAGE The workspace will exit with unsaved changes in this session. 11.88/5.65 Received shutdown request... 11.88/5.65 Ultimate: 11.88/5.65 GTK+ Version Check 11.88/5.65 EOF