java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/real-life/tcas-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:39:11,923 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:39:11,926 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:39:11,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:39:11,938 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:39:11,939 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:39:11,940 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:39:11,942 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:39:11,943 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:39:11,944 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:39:11,945 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:39:11,945 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:39:11,946 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:39:11,947 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:39:11,948 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:39:11,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:39:11,950 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:39:11,952 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:39:11,954 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:39:11,955 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:39:11,956 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:39:11,957 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:39:11,960 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:39:11,960 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:39:11,960 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:39:11,961 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:39:11,962 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:39:11,963 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:39:11,964 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:39:11,965 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:39:11,965 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:39:11,966 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:39:11,966 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:39:11,966 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:39:11,967 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:39:11,968 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:39:11,968 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 15:39:11,976 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:39:11,976 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:39:11,978 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:39:11,978 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:39:11,978 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:39:11,978 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:39:12,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:39:12,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:39:12,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:39:12,047 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:39:12,048 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:39:12,048 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-incorrect.bpl [2018-07-23 15:39:12,049 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-incorrect.bpl' [2018-07-23 15:39:12,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:39:12,112 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:39:12,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:39:12,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:39:12,113 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:39:12,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:12" (1/1) ... [2018-07-23 15:39:12,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:12" (1/1) ... [2018-07-23 15:39:12,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:12" (1/1) ... [2018-07-23 15:39:12,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:12" (1/1) ... [2018-07-23 15:39:12,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:12" (1/1) ... [2018-07-23 15:39:12,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:12" (1/1) ... [2018-07-23 15:39:12,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:12" (1/1) ... [2018-07-23 15:39:12,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:39:12,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:39:12,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:39:12,165 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:39:12,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:12" (1/1) ... No working directory specified, using /storage/repos/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 [2018-07-23 15:39:12,234 INFO L124 BoogieDeclarations]: Specification and implementation of procedure alt_sep_test given in one single declaration [2018-07-23 15:39:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure alt_sep_test [2018-07-23 15:39:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_sep_test [2018-07-23 15:39:12,920 INFO L258 CfgBuilder]: Using library mode [2018-07-23 15:39:12,921 INFO L202 PluginConnector]: Adding new model tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:39:12 BoogieIcfgContainer [2018-07-23 15:39:12,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:39:12,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:39:12,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:39:12,930 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:39:12,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:12" (1/2) ... [2018-07-23 15:39:12,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16eb8330 and model type tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:39:12, skipping insertion in model container [2018-07-23 15:39:12,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:39:12" (2/2) ... [2018-07-23 15:39:12,934 INFO L112 eAbstractionObserver]: Analyzing ICFG tcas-incorrect.bpl [2018-07-23 15:39:12,945 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:39:12,954 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:39:13,005 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:39:13,006 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:39:13,006 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:39:13,006 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:39:13,006 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:39:13,006 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:39:13,006 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:39:13,007 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:39:13,007 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:39:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:39:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 15:39:13,039 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:39:13,040 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 15:39:13,040 INFO L414 AbstractCegarLoop]: === Iteration 1 === [alt_sep_testErr0AssertViolationASSERT]=== [2018-07-23 15:39:13,046 INFO L82 PathProgramCache]: Analyzing trace with hash 31769, now seen corresponding path program 1 times [2018-07-23 15:39:13,052 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:39:13,570 WARN L169 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2018-07-23 15:39:13,750 INFO L419 BasicCegarLoop]: Counterexample might be feasible [2018-07-23 15:39:13,760 WARN L174 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2018-07-23 15:39:13,760 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-23 15:39:13,760 WARN L174 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2018-07-23 15:39:13,760 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-23 15:39:13,761 WARN L174 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2018-07-23 15:39:13,761 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-23 15:39:13,768 INFO L202 PluginConnector]: Adding new model tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:39:13 BoogieIcfgContainer [2018-07-23 15:39:13,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:39:13,769 INFO L168 Benchmark]: Toolchain (without parser) took 1657.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-07-23 15:39:13,770 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 15:39:13,771 INFO L168 Benchmark]: Boogie Preprocessor took 51.47 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 15:39:13,772 INFO L168 Benchmark]: RCFGBuilder took 756.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-07-23 15:39:13,773 INFO L168 Benchmark]: TraceAbstraction took 846.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 15:39:13,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.47 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 756.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 846.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 103]: assertion can be violated assertion can be violated We found a FailurePath: [L33] OLEV := 600; [L34] MAXALTDIFF := 600; [L35] MINSEP := 300; [L36] NOZCROSS := 300; [L37] NO_INTENT := 0; [L38] DO_NOT_CLIMB := 1; [L39] DO_NOT_DESCEND := 2; [L40] TCAS_TA := 1; [L41] OTHER := 2; [L42] UNRESOLVED := 0; [L43] UPWARD_RA := 1; [L44] DOWNWARD_RA := 2; [L47] assume Positive_RA_Alt_Thresh(0) == 400; [L48] assume Positive_RA_Alt_Thresh(1) == 500; [L49] assume Positive_RA_Alt_Thresh(2) == 640; [L50] assume Positive_RA_Alt_Thresh(3) == 740; [L55] enabled := High_Confidence && Own_Tracked_Alt_Rate <= OLEV && Cur_Vertical_Sep > MAXALTDIFF; [L56] tcas_equipped := Other_Capability == TCAS_TA; [L57] intent_not_known := Two_of_Three_Reports_Valid && Other_RAC == NO_INTENT; [L59] alt_sep := UNRESOLVED; [L61] COND TRUE enabled && ((tcas_equipped && intent_not_known) || !tcas_equipped) [L64] COND TRUE Climb_Inhibit [L65] inhibitBiasedClimb := Up_Separation + NOZCROSS; [L72] ownBelowThreat := Own_Tracked_Alt < Other_Tracked_Alt; [L76] ownAboveThreat := Other_Tracked_Alt < Own_Tracked_Alt; [L81] upward_preferred := inhibitBiasedClimb > Down_Separation; [L82] COND FALSE !(upward_preferred) [L85] nonCrossingBiasedClimb := ownAboveThreat && Cur_Vertical_Sep >= MINSEP && Up_Separation >= Positive_RA_Alt_Thresh(Alt_Layer_Value); [L89] need_upward_RA := nonCrossingBiasedClimb && ownBelowThreat; [L94] upward_preferred := inhibitBiasedClimb > Down_Separation; [L95] COND FALSE !(upward_preferred) [L98] nonCrossingBiasedDescend := !ownAboveThreat || (ownAboveThreat && Up_Separation >= Positive_RA_Alt_Thresh(Alt_Layer_Value)); [L102] need_downward_RA := nonCrossingBiasedDescend && ownAboveThreat; [L103] assert !need_upward_RA; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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: TraceCheckStatistics: 0.6s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/tcas-incorrect.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-39-13-788.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/tcas-incorrect.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-39-13-788.csv Received shutdown request...