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/eldarica-misc/LIA/llreve/loop4_merged_safe.c-1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 17:51:31,961 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 17:51:31,964 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 17:51:31,976 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 17:51:31,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 17:51:31,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 17:51:31,980 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 17:51:31,985 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 17:51:31,988 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 17:51:31,989 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 17:51:31,990 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 17:51:31,990 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 17:51:31,991 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 17:51:31,991 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 17:51:31,994 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 17:51:31,995 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 17:51:31,996 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 17:51:32,005 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 17:51:32,006 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 17:51:32,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 17:51:32,008 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 17:51:32,012 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 17:51:32,014 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 17:51:32,014 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 17:51:32,014 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 17:51:32,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 17:51:32,016 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 17:51:32,016 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 17:51:32,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 17:51:32,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 17:51:32,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 17:51:32,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 17:51:32,019 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 17:51:32,019 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 17:51:32,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 17:51:32,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 17:51:32,021 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 17:51:32,036 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 17:51:32,036 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 17:51:32,037 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 17:51:32,037 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 17:51:32,038 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 17:51:32,038 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 17:51:32,038 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 17:51:32,038 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 17:51:32,039 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 17:51:32,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 17:51:32,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 17:51:32,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 17:51:32,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 17:51:32,043 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 17:51:32,043 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 17:51:32,043 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 17:51:32,043 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 17:51:32,043 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 17:51:32,043 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 17:51:32,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 17:51:32,044 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 17:51:32,045 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 17:51:32,046 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 17:51:32,086 INFO ]: Repository-Root is: /tmp [2018-06-26 17:51:32,105 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 17:51:32,111 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 17:51:32,112 INFO ]: Initializing SmtParser... [2018-06-26 17:51:32,112 INFO ]: SmtParser initialized [2018-06-26 17:51:32,113 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/llreve/loop4_merged_safe.c-1.smt2 [2018-06-26 17:51:32,114 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 17:51:32,205 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/loop4_merged_safe.c-1.smt2 unknown [2018-06-26 17:51:32,373 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/loop4_merged_safe.c-1.smt2 [2018-06-26 17:51:32,382 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 17:51:32,388 INFO ]: Walking toolchain with 5 elements. [2018-06-26 17:51:32,389 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 17:51:32,389 INFO ]: Initializing ChcToBoogie... [2018-06-26 17:51:32,389 INFO ]: ChcToBoogie initialized [2018-06-26 17:51:32,396 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:51:32" (1/1) ... [2018-06-26 17:51:32,456 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:51:32 Unit [2018-06-26 17:51:32,456 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 17:51:32,456 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 17:51:32,456 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 17:51:32,456 INFO ]: Boogie Preprocessor initialized [2018-06-26 17:51:32,478 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:51:32" (1/1) ... [2018-06-26 17:51:32,478 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:51:32" (1/1) ... [2018-06-26 17:51:32,483 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:51:32" (1/1) ... [2018-06-26 17:51:32,484 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:51:32" (1/1) ... [2018-06-26 17:51:32,485 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:51:32" (1/1) ... [2018-06-26 17:51:32,487 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:51:32" (1/1) ... [2018-06-26 17:51:32,487 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:51:32" (1/1) ... [2018-06-26 17:51:32,488 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 17:51:32,489 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 17:51:32,489 INFO ]: Initializing RCFGBuilder... [2018-06-26 17:51:32,489 INFO ]: RCFGBuilder initialized [2018-06-26 17:51:32,491 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:51:32" (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 17:51:32,504 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 17:51:32,504 INFO ]: Found specification of procedure gotoProc [2018-06-26 17:51:32,504 INFO ]: Found implementation of procedure gotoProc [2018-06-26 17:51:32,505 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 17:51:32,505 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 17:51:32,505 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 17:51:32,674 INFO ]: Using library mode [2018-06-26 17:51:32,674 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:51:32 BoogieIcfgContainer [2018-06-26 17:51:32,675 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 17:51:32,675 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 17:51:32,675 INFO ]: Initializing BlockEncodingV2... [2018-06-26 17:51:32,678 INFO ]: BlockEncodingV2 initialized [2018-06-26 17:51:32,679 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:51:32" (1/1) ... [2018-06-26 17:51:32,706 INFO ]: Initial Icfg 10 locations, 10 edges [2018-06-26 17:51:32,707 INFO ]: Using Remove infeasible edges [2018-06-26 17:51:32,707 INFO ]: Using Maximize final states [2018-06-26 17:51:32,710 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 17:51:32,710 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 17:51:32,711 INFO ]: Using Remove sink states [2018-06-26 17:51:32,712 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 17:51:32,712 INFO ]: Using Use SBE [2018-06-26 17:51:32,722 INFO ]: SBE split 0 edges [2018-06-26 17:51:32,730 INFO ]: Removed 7 edges and 6 locations because of local infeasibility [2018-06-26 17:51:32,731 INFO ]: 0 new accepting states [2018-06-26 17:51:32,772 INFO ]: Removed 2 edges and 1 locations by large block encoding [2018-06-26 17:51:32,777 INFO ]: Removed 2 edges and 3 locations by removing sink states [2018-06-26 17:51:32,779 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 17:51:32,779 INFO ]: 0 new accepting states [2018-06-26 17:51:32,779 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 17:51:32,779 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 17:51:32,779 INFO ]: Encoded RCFG 0 locations, 0 edges [2018-06-26 17:51:32,779 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:51:32 BasicIcfg [2018-06-26 17:51:32,779 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 17:51:32,780 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 17:51:32,780 INFO ]: Initializing TraceAbstraction... [2018-06-26 17:51:32,783 INFO ]: TraceAbstraction initialized [2018-06-26 17:51:32,783 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:51:32" (1/4) ... [2018-06-26 17:51:32,786 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6a1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 05:51:32, skipping insertion in model container [2018-06-26 17:51:32,786 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:51:32" (2/4) ... [2018-06-26 17:51:32,786 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6a1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 05:51:32, skipping insertion in model container [2018-06-26 17:51:32,786 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:51:32" (3/4) ... [2018-06-26 17:51:32,786 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6a1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:51:32, skipping insertion in model container [2018-06-26 17:51:32,787 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:51:32" (4/4) ... [2018-06-26 17:51:32,789 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 17:51:32,799 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 17:51:32,815 INFO ]: Appying trace abstraction to program that has 0 error locations. [2018-06-26 17:51:32,853 INFO ]: Using default assertion order modulation [2018-06-26 17:51:32,854 INFO ]: Interprodecural is true [2018-06-26 17:51:32,854 INFO ]: Hoare is false [2018-06-26 17:51:32,854 INFO ]: Compute interpolants for FPandBP [2018-06-26 17:51:32,854 INFO ]: Backedges is TWOTRACK [2018-06-26 17:51:32,854 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 17:51:32,854 INFO ]: Difference is false [2018-06-26 17:51:32,854 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 17:51:32,854 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 17:51:32,862 INFO ]: Start isEmpty. Operand 0 states. [2018-06-26 17:51:32,862 INFO ]: Finished isEmpty. No accepting run. [2018-06-26 17:51:32,864 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:51:32 BasicIcfg [2018-06-26 17:51:32,864 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 17:51:32,865 INFO ]: Toolchain (without parser) took 481.97 ms. Allocated memory is still 307.2 MB. Free memory was 264.4 MB in the beginning and 248.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 3.6 GB. [2018-06-26 17:51:32,866 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 17:51:32,867 INFO ]: ChcToBoogie took 67.01 ms. Allocated memory is still 307.2 MB. Free memory was 263.4 MB in the beginning and 261.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:51:32,867 INFO ]: Boogie Preprocessor took 32.19 ms. Allocated memory is still 307.2 MB. Free memory was 261.4 MB in the beginning and 260.4 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. [2018-06-26 17:51:32,868 INFO ]: RCFGBuilder took 185.48 ms. Allocated memory is still 307.2 MB. Free memory was 260.4 MB in the beginning and 254.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:51:32,869 INFO ]: BlockEncodingV2 took 104.50 ms. Allocated memory is still 307.2 MB. Free memory was 254.4 MB in the beginning and 252.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:51:32,869 INFO ]: TraceAbstraction took 83.76 ms. Allocated memory is still 307.2 MB. Free memory was 252.5 MB in the beginning and 248.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:51:32,874 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 10 locations, 10 edges - StatisticsResult: Encoded RCFG 0 locations, 0 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 67.01 ms. Allocated memory is still 307.2 MB. Free memory was 263.4 MB in the beginning and 261.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 32.19 ms. Allocated memory is still 307.2 MB. Free memory was 261.4 MB in the beginning and 260.4 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 3.6 GB. * RCFGBuilder took 185.48 ms. Allocated memory is still 307.2 MB. Free memory was 260.4 MB in the beginning and 254.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 104.50 ms. Allocated memory is still 307.2 MB. Free memory was 254.4 MB in the beginning and 252.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 83.76 ms. Allocated memory is still 307.2 MB. Free memory was 252.5 MB in the beginning and 248.5 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/loop4_merged_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_17-51-32-896.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/loop4_merged_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_17-51-32-896.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/loop4_merged_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_17-51-32-896.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/loop4_merged_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_17-51-32-896.csv Received shutdown request...