java -Xss1g -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC.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/mochi/neg1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8d74a04 [2018-06-22 01:50:59,873 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-22 01:50:59,875 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-22 01:50:59,887 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-22 01:50:59,887 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-22 01:50:59,888 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-22 01:50:59,890 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-22 01:50:59,894 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-22 01:50:59,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-22 01:50:59,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-22 01:50:59,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-22 01:50:59,898 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-22 01:50:59,899 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-22 01:50:59,904 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-22 01:50:59,904 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-22 01:50:59,905 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-22 01:50:59,916 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-22 01:50:59,918 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-22 01:50:59,919 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-22 01:50:59,920 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-22 01:50:59,921 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-22 01:50:59,923 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-22 01:50:59,924 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-22 01:50:59,924 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-22 01:50:59,925 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-22 01:50:59,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-22 01:50:59,926 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-22 01:50:59,930 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-22 01:50:59,931 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-22 01:50:59,931 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-22 01:50:59,931 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-22 01:50:59,932 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-22 01:50:59,932 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-22 01:50:59,935 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-22 01:50:59,935 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-22 01:50:59,935 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-22 01:50:59,948 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-22 01:50:59,948 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-22 01:50:59,949 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-22 01:50:59,949 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-22 01:50:59,950 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-22 01:50:59,950 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-22 01:50:59,950 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-22 01:50:59,950 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-22 01:50:59,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-22 01:50:59,951 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-22 01:50:59,951 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-22 01:50:59,951 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-22 01:50:59,951 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-22 01:50:59,951 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-22 01:50:59,952 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-22 01:50:59,952 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-22 01:50:59,952 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-22 01:50:59,953 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-22 01:50:59,953 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-22 01:51:00,007 INFO ]: Repository-Root is: /tmp [2018-06-22 01:51:00,022 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-22 01:51:00,029 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-22 01:51:00,031 INFO ]: Initializing SmtParser... [2018-06-22 01:51:00,031 INFO ]: SmtParser initialized [2018-06-22 01:51:00,032 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/hopv/lia/mochi/neg1.smt2 [2018-06-22 01:51:00,033 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 [2018-06-22 01:51:00,126 INFO ]: Executing SMT file /storage/chc-comp/hopv/lia/mochi/neg1.smt2 [2018-06-22 01:51:00,300 INFO ]: Succesfully executed SMT file /storage/chc-comp/hopv/lia/mochi/neg1.smt2 [2018-06-22 01:51:00,307 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-22 01:51:00,313 INFO ]: Walking toolchain with 4 elements. [2018-06-22 01:51:00,313 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-22 01:51:00,314 INFO ]: Initializing ChcToBoogie... [2018-06-22 01:51:00,314 INFO ]: ChcToBoogie initialized [2018-06-22 01:51:00,318 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:51:00" (1/1) ... [2018-06-22 01:51:00,332 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:51:00 Unit [2018-06-22 01:51:00,332 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-22 01:51:00,333 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-22 01:51:00,333 INFO ]: Initializing Boogie Preprocessor... [2018-06-22 01:51:00,333 INFO ]: Boogie Preprocessor initialized [2018-06-22 01:51:00,361 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:51:00" (1/1) ... [2018-06-22 01:51:00,361 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:51:00" (1/1) ... [2018-06-22 01:51:00,365 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:51:00" (1/1) ... [2018-06-22 01:51:00,365 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:51:00" (1/1) ... [2018-06-22 01:51:00,365 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:51:00" (1/1) ... [2018-06-22 01:51:00,366 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:51:00" (1/1) ... [2018-06-22 01:51:00,367 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:51:00" (1/1) ... [2018-06-22 01:51:00,369 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-22 01:51:00,369 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-22 01:51:00,369 INFO ]: Initializing RCFGBuilder... [2018-06-22 01:51:00,369 INFO ]: RCFGBuilder initialized [2018-06-22 01:51:00,370 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:51:00" (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) [2018-06-22 01:51:00,385 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-22 01:51:00,385 INFO ]: Found specification of procedure Ultimate.START [2018-06-22 01:51:00,385 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 [2018-06-22 01:51:00,462 INFO ]: Using library mode [2018-06-22 01:51:00,463 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:51:00 BoogieIcfgContainer [2018-06-22 01:51:00,463 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-22 01:51:00,464 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-22 01:51:00,464 INFO ]: Initializing TraceAbstraction... [2018-06-22 01:51:00,468 INFO ]: TraceAbstraction initialized [2018-06-22 01:51:00,469 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 22.06 01:51:00" (1/3) ... [2018-06-22 01:51:00,469 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520f4d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 22.06 01:51:00, skipping insertion in model container [2018-06-22 01:51:00,470 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 22.06 01:51:00" (2/3) ... [2018-06-22 01:51:00,470 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520f4d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:51:00, skipping insertion in model container [2018-06-22 01:51:00,470 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:51:00" (3/3) ... [2018-06-22 01:51:00,472 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver [2018-06-22 01:51:00,481 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-22 01:51:00,491 INFO ]: Appying trace abstraction to program that has 0 error locations. [2018-06-22 01:51:00,540 INFO ]: Using default assertion order modulation [2018-06-22 01:51:00,540 INFO ]: Interprodecural is true [2018-06-22 01:51:00,540 INFO ]: Hoare is false [2018-06-22 01:51:00,541 INFO ]: Compute interpolants for FPandBP [2018-06-22 01:51:00,541 INFO ]: Backedges is TWOTRACK [2018-06-22 01:51:00,541 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-22 01:51:00,541 INFO ]: Difference is false [2018-06-22 01:51:00,541 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-22 01:51:00,541 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-22 01:51:00,556 INFO ]: Start isEmpty. Operand 2 states. [2018-06-22 01:51:00,565 INFO ]: Finished isEmpty. No accepting run. [2018-06-22 01:51:00,571 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:51:00 BoogieIcfgContainer [2018-06-22 01:51:00,571 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-22 01:51:00,572 INFO ]: Toolchain (without parser) took 264.39 ms. Allocated memory is still 298.8 MB. Free memory was 254.2 MB in the beginning and 242.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:51:00,576 INFO ]: SmtParser took 0.08 ms. Allocated memory is still 298.8 MB. Free memory is still 264.3 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-22 01:51:00,576 INFO ]: ChcToBoogie took 18.97 ms. Allocated memory is still 298.8 MB. Free memory was 254.2 MB in the beginning and 253.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. [2018-06-22 01:51:00,577 INFO ]: Boogie Preprocessor took 36.01 ms. Allocated memory is still 298.8 MB. Free memory was 253.2 MB in the beginning and 251.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:51:00,577 INFO ]: RCFGBuilder took 93.62 ms. Allocated memory is still 298.8 MB. Free memory was 251.2 MB in the beginning and 247.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:51:00,578 INFO ]: TraceAbstraction took 106.97 ms. Allocated memory is still 298.8 MB. Free memory was 247.2 MB in the beginning and 242.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 3.6 GB. [2018-06-22 01:51:00,583 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.08 ms. Allocated memory is still 298.8 MB. Free memory is still 264.3 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 18.97 ms. Allocated memory is still 298.8 MB. Free memory was 254.2 MB in the beginning and 253.2 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 3.6 GB. * Boogie Preprocessor took 36.01 ms. Allocated memory is still 298.8 MB. Free memory was 253.2 MB in the beginning and 251.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 93.62 ms. Allocated memory is still 298.8 MB. Free memory was 251.2 MB in the beginning and 247.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 106.97 ms. Allocated memory is still 298.8 MB. Free memory was 247.2 MB in the beginning and 242.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 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 1 procedures, 2 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=2occurred 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/neg1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-Benchmark-0-2018-06-22_01-51-00-606.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/neg1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-22_01-51-00-606.csv Received shutdown request...