java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/hopv/lia/termination/Ackermann01.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-14921ce [2018-06-24 21:24:29,989 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-24 21:24:29,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-24 21:24:30,008 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-24 21:24:30,009 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-24 21:24:30,010 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-24 21:24:30,011 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-24 21:24:30,014 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-24 21:24:30,015 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-24 21:24:30,016 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-24 21:24:30,017 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-24 21:24:30,019 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-24 21:24:30,020 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-24 21:24:30,020 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-24 21:24:30,021 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-24 21:24:30,023 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-24 21:24:30,025 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-24 21:24:30,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-24 21:24:30,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-24 21:24:30,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-24 21:24:30,037 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-24 21:24:30,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-24 21:24:30,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-24 21:24:30,040 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-24 21:24:30,045 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-24 21:24:30,046 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-24 21:24:30,046 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-24 21:24:30,047 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-24 21:24:30,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-24 21:24:30,048 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-24 21:24:30,048 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-24 21:24:30,053 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-24 21:24:30,053 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-24 21:24:30,054 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-24 21:24:30,055 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-24 21:24:30,055 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-24 21:24:30,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-24 21:24:30,075 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-24 21:24:30,076 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-24 21:24:30,076 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-24 21:24:30,077 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-24 21:24:30,077 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-24 21:24:30,077 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-24 21:24:30,080 INFO L133 SettingsManager]: * Use SBE=true [2018-06-24 21:24:30,080 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-24 21:24:30,080 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-24 21:24:30,080 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-24 21:24:30,080 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-24 21:24:30,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:24:30,081 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-24 21:24:30,081 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-24 21:24:30,081 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-24 21:24:30,081 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-24 21:24:30,082 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-24 21:24:30,082 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-24 21:24:30,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-24 21:24:30,082 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-24 21:24:30,083 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-24 21:24:30,084 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-24 21:24:30,134 INFO ]: Repository-Root is: /tmp [2018-06-24 21:24:30,147 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-24 21:24:30,150 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-24 21:24:30,151 INFO ]: Initializing SmtParser... [2018-06-24 21:24:30,151 INFO ]: SmtParser initialized [2018-06-24 21:24:30,152 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/Ackermann01.smt2 [2018-06-24 21:24:30,153 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-24 21:24:30,234 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/Ackermann01.smt2 unknown [2018-06-24 21:24:30,630 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/Ackermann01.smt2 [2018-06-24 21:24:30,636 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-24 21:24:30,642 INFO ]: Walking toolchain with 5 elements. [2018-06-24 21:24:30,642 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-24 21:24:30,642 INFO ]: Initializing ChcToBoogie... [2018-06-24 21:24:30,643 INFO ]: ChcToBoogie initialized [2018-06-24 21:24:30,646 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:24:30" (1/1) ... [2018-06-24 21:24:30,698 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:24:30 Unit [2018-06-24 21:24:30,698 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-24 21:24:30,698 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-24 21:24:30,698 INFO ]: Initializing Boogie Preprocessor... [2018-06-24 21:24:30,698 INFO ]: Boogie Preprocessor initialized [2018-06-24 21:24:30,718 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:24:30" (1/1) ... [2018-06-24 21:24:30,718 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:24:30" (1/1) ... [2018-06-24 21:24:30,723 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:24:30" (1/1) ... [2018-06-24 21:24:30,724 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:24:30" (1/1) ... [2018-06-24 21:24:30,726 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:24:30" (1/1) ... [2018-06-24 21:24:30,728 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:24:30" (1/1) ... [2018-06-24 21:24:30,729 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:24:30" (1/1) ... [2018-06-24 21:24:30,730 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-24 21:24:30,734 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-24 21:24:30,734 INFO ]: Initializing RCFGBuilder... [2018-06-24 21:24:30,734 INFO ]: RCFGBuilder initialized [2018-06-24 21:24:30,735 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:24:30" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-24 21:24:30,752 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-24 21:24:30,752 INFO ]: Found specification of procedure gotoProc [2018-06-24 21:24:30,752 INFO ]: Found implementation of procedure gotoProc [2018-06-24 21:24:30,752 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-24 21:24:30,752 INFO ]: Found specification of procedure Ultimate.START [2018-06-24 21:24:30,753 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-24 21:24:31,001 INFO ]: Using library mode [2018-06-24 21:24:31,002 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:24:31 BoogieIcfgContainer [2018-06-24 21:24:31,002 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-24 21:24:31,002 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-24 21:24:31,002 INFO ]: Initializing BlockEncodingV2... [2018-06-24 21:24:31,003 INFO ]: BlockEncodingV2 initialized [2018-06-24 21:24:31,004 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:24:31" (1/1) ... [2018-06-24 21:24:31,020 INFO ]: Initial Icfg 11 locations, 11 edges [2018-06-24 21:24:31,022 INFO ]: Using Remove infeasible edges [2018-06-24 21:24:31,022 INFO ]: Using Maximize final states [2018-06-24 21:24:31,022 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-24 21:24:31,023 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-24 21:24:31,025 INFO ]: Using Remove sink states [2018-06-24 21:24:31,026 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-24 21:24:31,026 INFO ]: Using Use SBE [2018-06-24 21:24:31,062 INFO ]: SBE split 1 edges [2018-06-24 21:24:31,069 INFO ]: Removed 3 edges and 2 locations because of local infeasibility [2018-06-24 21:24:31,070 INFO ]: 0 new accepting states [2018-06-24 21:24:31,240 INFO ]: Removed 14 edges and 4 locations by large block encoding [2018-06-24 21:24:31,242 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:24:31,243 INFO ]: Removed 5 edges and 3 locations because of local infeasibility [2018-06-24 21:24:31,244 INFO ]: 0 new accepting states [2018-06-24 21:24:31,244 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:24:31,247 INFO ]: Removed 1 edges and 2 locations by removing sink states [2018-06-24 21:24:31,247 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-24 21:24:31,247 INFO ]: 0 new accepting states [2018-06-24 21:24:31,247 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-24 21:24:31,247 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-24 21:24:31,247 INFO ]: Encoded RCFG 0 locations, 0 edges [2018-06-24 21:24:31,247 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:24:31 BasicIcfg [2018-06-24 21:24:31,247 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-24 21:24:31,248 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-24 21:24:31,248 INFO ]: Initializing TraceAbstraction... [2018-06-24 21:24:31,253 INFO ]: TraceAbstraction initialized [2018-06-24 21:24:31,253 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 24.06 09:24:30" (1/4) ... [2018-06-24 21:24:31,254 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee6ab01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 24.06 09:24:31, skipping insertion in model container [2018-06-24 21:24:31,254 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 24.06 09:24:30" (2/4) ... [2018-06-24 21:24:31,254 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee6ab01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.06 09:24:31, skipping insertion in model container [2018-06-24 21:24:31,254 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.06 09:24:31" (3/4) ... [2018-06-24 21:24:31,255 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee6ab01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:24:31, skipping insertion in model container [2018-06-24 21:24:31,255 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 24.06 09:24:31" (4/4) ... [2018-06-24 21:24:31,257 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-24 21:24:31,272 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-24 21:24:31,280 INFO ]: Appying trace abstraction to program that has 0 error locations. [2018-06-24 21:24:31,325 INFO ]: Using default assertion order modulation [2018-06-24 21:24:31,325 INFO ]: Interprodecural is true [2018-06-24 21:24:31,325 INFO ]: Hoare is false [2018-06-24 21:24:31,325 INFO ]: Compute interpolants for FPandBP [2018-06-24 21:24:31,325 INFO ]: Backedges is TWOTRACK [2018-06-24 21:24:31,325 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-24 21:24:31,325 INFO ]: Difference is false [2018-06-24 21:24:31,325 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-24 21:24:31,325 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-24 21:24:31,333 INFO ]: Start isEmpty. Operand 0 states. [2018-06-24 21:24:31,333 INFO ]: Finished isEmpty. No accepting run. [2018-06-24 21:24:31,335 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.06 09:24:31 BasicIcfg [2018-06-24 21:24:31,336 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-24 21:24:31,336 INFO ]: Toolchain (without parser) took 699.99 ms. Allocated memory is still 309.9 MB. Free memory was 254.3 MB in the beginning and 226.4 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 3.6 GB. [2018-06-24 21:24:31,338 INFO ]: SmtParser took 0.06 ms. Allocated memory is still 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:24:31,338 INFO ]: ChcToBoogie took 55.62 ms. Allocated memory is still 309.9 MB. Free memory was 254.3 MB in the beginning and 250.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:24:31,338 INFO ]: Boogie Preprocessor took 32.10 ms. Allocated memory is still 309.9 MB. Free memory is still 250.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-24 21:24:31,339 INFO ]: RCFGBuilder took 267.43 ms. Allocated memory is still 309.9 MB. Free memory was 250.3 MB in the beginning and 240.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:24:31,339 INFO ]: BlockEncodingV2 took 245.50 ms. Allocated memory is still 309.9 MB. Free memory was 240.3 MB in the beginning and 232.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:24:31,340 INFO ]: TraceAbstraction took 87.26 ms. Allocated memory is still 309.9 MB. Free memory was 230.3 MB in the beginning and 226.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-24 21:24:31,343 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 11 locations, 11 edges - StatisticsResult: Encoded RCFG 0 locations, 0 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.06 ms. Allocated memory is still 309.9 MB. Free memory is still 274.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 55.62 ms. Allocated memory is still 309.9 MB. Free memory was 254.3 MB in the beginning and 250.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 32.10 ms. Allocated memory is still 309.9 MB. Free memory is still 250.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * RCFGBuilder took 267.43 ms. Allocated memory is still 309.9 MB. Free memory was 250.3 MB in the beginning and 240.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 245.50 ms. Allocated memory is still 309.9 MB. Free memory was 240.3 MB in the beginning and 232.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 87.26 ms. Allocated memory is still 309.9 MB. Free memory was 230.3 MB in the beginning and 226.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 0 procedures, 0 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=0occurred 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: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Ackermann01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-24_21-24-31-356.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Ackermann01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-24_21-24-31-356.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Ackermann01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-24_21-24-31-356.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Ackermann01.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-24_21-24-31-356.csv Received shutdown request...