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/x_plus_2_pow_n02.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 18:32:53,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 18:32:53,187 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 18:32:53,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 18:32:53,199 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 18:32:53,200 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 18:32:53,201 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 18:32:53,206 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 18:32:53,207 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 18:32:53,208 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 18:32:53,209 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 18:32:53,209 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 18:32:53,210 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 18:32:53,211 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 18:32:53,212 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 18:32:53,212 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 18:32:53,213 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 18:32:53,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 18:32:53,217 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 18:32:53,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 18:32:53,219 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 18:32:53,220 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 18:32:53,222 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 18:32:53,223 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 18:32:53,223 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 18:32:53,224 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 18:32:53,225 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 18:32:53,225 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 18:32:53,226 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 18:32:53,227 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 18:32:53,227 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 18:32:53,228 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 18:32:53,228 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 18:32:53,229 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 18:32:53,229 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 18:32:53,230 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 18:32:53,230 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 18:32:53,244 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 18:32:53,245 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 18:32:53,245 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 18:32:53,245 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 18:32:53,246 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 18:32:53,246 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 18:32:53,247 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 18:32:53,247 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 18:32:53,247 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 18:32:53,247 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 18:32:53,248 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 18:32:53,248 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 18:32:53,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 18:32:53,248 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 18:32:53,248 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 18:32:53,248 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 18:32:53,249 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 18:32:53,249 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 18:32:53,249 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 18:32:53,249 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 18:32:53,249 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 18:32:53,251 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 18:32:53,251 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 18:32:53,293 INFO ]: Repository-Root is: /tmp [2018-06-26 18:32:53,308 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 18:32:53,311 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 18:32:53,311 INFO ]: Initializing SmtParser... [2018-06-26 18:32:53,312 INFO ]: SmtParser initialized [2018-06-26 18:32:53,312 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/termination/x_plus_2_pow_n02.smt2 [2018-06-26 18:32:53,313 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 [2018-06-26 18:32:53,400 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/termination/x_plus_2_pow_n02.smt2 unknown [2018-06-26 18:32:53,731 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/termination/x_plus_2_pow_n02.smt2 [2018-06-26 18:32:53,736 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 18:32:53,741 INFO ]: Walking toolchain with 5 elements. [2018-06-26 18:32:53,742 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 18:32:53,742 INFO ]: Initializing ChcToBoogie... [2018-06-26 18:32:53,742 INFO ]: ChcToBoogie initialized [2018-06-26 18:32:53,745 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:32:53" (1/1) ... [2018-06-26 18:32:53,798 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:32:53 Unit [2018-06-26 18:32:53,798 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 18:32:53,798 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 18:32:53,798 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 18:32:53,798 INFO ]: Boogie Preprocessor initialized [2018-06-26 18:32:53,818 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:32:53" (1/1) ... [2018-06-26 18:32:53,819 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:32:53" (1/1) ... [2018-06-26 18:32:53,824 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:32:53" (1/1) ... [2018-06-26 18:32:53,824 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:32:53" (1/1) ... [2018-06-26 18:32:53,826 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:32:53" (1/1) ... [2018-06-26 18:32:53,828 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:32:53" (1/1) ... [2018-06-26 18:32:53,828 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:32:53" (1/1) ... [2018-06-26 18:32:53,829 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 18:32:53,830 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 18:32:53,830 INFO ]: Initializing RCFGBuilder... [2018-06-26 18:32:53,830 INFO ]: RCFGBuilder initialized [2018-06-26 18:32:53,832 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:32:53" (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) [2018-06-26 18:32:53,842 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 18:32:53,843 INFO ]: Found specification of procedure gotoProc [2018-06-26 18:32:53,843 INFO ]: Found implementation of procedure gotoProc [2018-06-26 18:32:53,843 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 18:32:53,843 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 18:32:53,843 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 [2018-06-26 18:32:54,065 INFO ]: Using library mode [2018-06-26 18:32:54,065 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:32:54 BoogieIcfgContainer [2018-06-26 18:32:54,066 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 18:32:54,066 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 18:32:54,066 INFO ]: Initializing BlockEncodingV2... [2018-06-26 18:32:54,068 INFO ]: BlockEncodingV2 initialized [2018-06-26 18:32:54,068 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:32:54" (1/1) ... [2018-06-26 18:32:54,080 INFO ]: Initial Icfg 11 locations, 11 edges [2018-06-26 18:32:54,081 INFO ]: Using Remove infeasible edges [2018-06-26 18:32:54,082 INFO ]: Using Maximize final states [2018-06-26 18:32:54,082 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 18:32:54,082 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 18:32:54,084 INFO ]: Using Remove sink states [2018-06-26 18:32:54,085 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 18:32:54,085 INFO ]: Using Use SBE [2018-06-26 18:32:54,090 INFO ]: SBE split 0 edges [2018-06-26 18:32:54,096 INFO ]: Removed 3 edges and 2 locations because of local infeasibility [2018-06-26 18:32:54,097 INFO ]: 0 new accepting states [2018-06-26 18:32:54,149 INFO ]: Removed 8 edges and 4 locations by large block encoding [2018-06-26 18:32:54,151 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:32:54,175 INFO ]: Removed 3 edges and 2 locations during generation of interprocedural sequences [2018-06-26 18:32:54,175 INFO ]: Removed 2 edges and 3 locations because of local infeasibility [2018-06-26 18:32:54,175 INFO ]: 0 new accepting states [2018-06-26 18:32:54,175 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 18:32:54,175 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:32:54,175 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 18:32:54,175 INFO ]: 0 new accepting states [2018-06-26 18:32:54,175 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 18:32:54,175 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 18:32:54,175 INFO ]: Encoded RCFG 0 locations, 0 edges [2018-06-26 18:32:54,176 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:32:54 BasicIcfg [2018-06-26 18:32:54,176 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 18:32:54,177 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 18:32:54,177 INFO ]: Initializing TraceAbstraction... [2018-06-26 18:32:54,182 INFO ]: TraceAbstraction initialized [2018-06-26 18:32:54,182 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 06:32:53" (1/4) ... [2018-06-26 18:32:54,183 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1bff04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 06:32:54, skipping insertion in model container [2018-06-26 18:32:54,183 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 06:32:53" (2/4) ... [2018-06-26 18:32:54,184 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1bff04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 06:32:54, skipping insertion in model container [2018-06-26 18:32:54,184 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 06:32:54" (3/4) ... [2018-06-26 18:32:54,184 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1bff04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:32:54, skipping insertion in model container [2018-06-26 18:32:54,184 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 06:32:54" (4/4) ... [2018-06-26 18:32:54,186 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 18:32:54,194 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 18:32:54,203 INFO ]: Appying trace abstraction to program that has 0 error locations. [2018-06-26 18:32:54,239 INFO ]: Using default assertion order modulation [2018-06-26 18:32:54,240 INFO ]: Interprodecural is true [2018-06-26 18:32:54,240 INFO ]: Hoare is false [2018-06-26 18:32:54,240 INFO ]: Compute interpolants for FPandBP [2018-06-26 18:32:54,240 INFO ]: Backedges is TWOTRACK [2018-06-26 18:32:54,240 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 18:32:54,240 INFO ]: Difference is false [2018-06-26 18:32:54,240 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 18:32:54,240 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 18:32:54,249 INFO ]: Start isEmpty. Operand 0 states. [2018-06-26 18:32:54,249 INFO ]: Finished isEmpty. No accepting run. [2018-06-26 18:32:54,252 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 06:32:54 BasicIcfg [2018-06-26 18:32:54,252 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 18:32:54,253 INFO ]: Toolchain (without parser) took 516.05 ms. Allocated memory is still 304.6 MB. Free memory was 253.0 MB in the beginning and 235.0 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:32:54,254 INFO ]: SmtParser took 0.04 ms. Allocated memory is still 304.6 MB. Free memory is still 267.1 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 18:32:54,254 INFO ]: ChcToBoogie took 56.12 ms. Allocated memory is still 304.6 MB. Free memory was 253.0 MB in the beginning and 251.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:32:54,255 INFO ]: Boogie Preprocessor took 31.15 ms. Allocated memory is still 304.6 MB. Free memory was 251.0 MB in the beginning and 249.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:32:54,256 INFO ]: RCFGBuilder took 235.58 ms. Allocated memory is still 304.6 MB. Free memory was 249.0 MB in the beginning and 243.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:32:54,265 INFO ]: BlockEncodingV2 took 109.79 ms. Allocated memory is still 304.6 MB. Free memory was 243.0 MB in the beginning and 239.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:32:54,266 INFO ]: TraceAbstraction took 75.03 ms. Allocated memory is still 304.6 MB. Free memory was 239.0 MB in the beginning and 235.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-26 18:32:54,269 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 0.04 ms. Allocated memory is still 304.6 MB. Free memory is still 267.1 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 56.12 ms. Allocated memory is still 304.6 MB. Free memory was 253.0 MB in the beginning and 251.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 31.15 ms. Allocated memory is still 304.6 MB. Free memory was 251.0 MB in the beginning and 249.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 235.58 ms. Allocated memory is still 304.6 MB. Free memory was 249.0 MB in the beginning and 243.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 109.79 ms. Allocated memory is still 304.6 MB. Free memory was 243.0 MB in the beginning and 239.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 75.03 ms. Allocated memory is still 304.6 MB. Free memory was 239.0 MB in the beginning and 235.0 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/x_plus_2_pow_n02.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_18-32-54-284.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/x_plus_2_pow_n02.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_18-32-54-284.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/x_plus_2_pow_n02.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_18-32-54-284.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/x_plus_2_pow_n02.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_18-32-54-284.csv Received shutdown request...