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-woAssumption.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:39:16,123 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:39:16,125 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:39:16,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:39:16,139 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:39:16,140 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:39:16,144 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:39:16,146 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:39:16,148 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:39:16,150 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:39:16,151 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:39:16,151 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:39:16,152 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:39:16,153 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:39:16,156 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:39:16,157 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:39:16,159 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:39:16,163 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:39:16,170 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:39:16,172 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:39:16,173 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:39:16,175 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:39:16,178 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:39:16,178 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:39:16,178 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:39:16,179 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:39:16,180 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:39:16,181 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:39:16,181 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:39:16,184 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:39:16,184 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:39:16,185 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:39:16,185 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:39:16,185 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:39:16,187 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:39:16,188 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:39:16,188 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 15:39:16,200 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:39:16,201 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:39:16,203 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:39:16,203 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:39:16,203 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:39:16,207 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:39:16,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:39:16,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:39:16,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:39:16,281 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:39:16,281 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:39:16,282 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-woAssumption.bpl [2018-07-23 15:39:16,282 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-woAssumption.bpl' [2018-07-23 15:39:16,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:39:16,359 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:39:16,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:39:16,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:39:16,360 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:39:16,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:16" (1/1) ... [2018-07-23 15:39:16,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:16" (1/1) ... [2018-07-23 15:39:16,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:16" (1/1) ... [2018-07-23 15:39:16,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:16" (1/1) ... [2018-07-23 15:39:16,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:16" (1/1) ... [2018-07-23 15:39:16,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:16" (1/1) ... [2018-07-23 15:39:16,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:16" (1/1) ... [2018-07-23 15:39:16,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:39:16,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:39:16,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:39:16,431 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:39:16,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:16" (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 15:39:16,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure alt_sep_test given in one single declaration [2018-07-23 15:39:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure alt_sep_test [2018-07-23 15:39:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_sep_test [2018-07-23 15:39:17,190 INFO L258 CfgBuilder]: Using library mode [2018-07-23 15:39:17,191 INFO L202 PluginConnector]: Adding new model tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:39:17 BoogieIcfgContainer [2018-07-23 15:39:17,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:39:17,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:39:17,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:39:17,196 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:39:17,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:39:16" (1/2) ... [2018-07-23 15:39:17,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69809e59 and model type tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:39:17, skipping insertion in model container [2018-07-23 15:39:17,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:39:17" (2/2) ... [2018-07-23 15:39:17,200 INFO L112 eAbstractionObserver]: Analyzing ICFG tcas-woAssumption.bpl [2018-07-23 15:39:17,209 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:39:17,218 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:39:17,260 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:39:17,261 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:39:17,261 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:39:17,261 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:39:17,261 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:39:17,262 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:39:17,262 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:39:17,262 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:39:17,262 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:39:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2018-07-23 15:39:17,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-23 15:39:17,285 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:39:17,286 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-23 15:39:17,286 INFO L414 AbstractCegarLoop]: === Iteration 1 === [alt_sep_testErr0AssertViolationASSERT]=== [2018-07-23 15:39:17,291 INFO L82 PathProgramCache]: Analyzing trace with hash 30385923, now seen corresponding path program 1 times [2018-07-23 15:39:17,297 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:39:17,853 WARN L169 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-07-23 15:39:18,214 WARN L169 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2018-07-23 15:39:18,400 INFO L419 BasicCegarLoop]: Counterexample might be feasible [2018-07-23 15:39:18,408 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 15:39:18,408 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-23 15:39:18,408 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 15:39:18,408 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-23 15:39:18,409 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 15:39:18,409 ERROR L177 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2018-07-23 15:39:18,416 INFO L202 PluginConnector]: Adding new model tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:39:18 BoogieIcfgContainer [2018-07-23 15:39:18,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:39:18,417 INFO L168 Benchmark]: Toolchain (without parser) took 2058.79 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-07-23 15:39:18,419 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 15:39:18,420 INFO L168 Benchmark]: Boogie Preprocessor took 70.48 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 15:39:18,420 INFO L168 Benchmark]: RCFGBuilder took 760.35 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 15:39:18,422 INFO L168 Benchmark]: TraceAbstraction took 1223.85 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-23 15:39:18,427 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 70.48 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 760.35 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 1223.85 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 107]: 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; [L52] assume Alt_Layer_Value <= 4 && Alt_Layer_Value >= 0; [L56] enabled := High_Confidence && Own_Tracked_Alt_Rate <= OLEV && Cur_Vertical_Sep > MAXALTDIFF; [L57] tcas_equipped := Other_Capability == TCAS_TA; [L58] intent_not_known := Two_of_Three_Reports_Valid && Other_RAC == NO_INTENT; [L60] alt_sep := UNRESOLVED; [L62] COND TRUE enabled && ((tcas_equipped && intent_not_known) || !tcas_equipped) [L65] COND TRUE Climb_Inhibit [L66] inhibitBiasedClimb := Up_Separation + NOZCROSS; [L73] ownBelowThreat := Own_Tracked_Alt < Other_Tracked_Alt; [L77] ownAboveThreat := Other_Tracked_Alt < Own_Tracked_Alt; [L82] upward_preferred := inhibitBiasedClimb > Down_Separation; [L83] COND FALSE !(upward_preferred) [L86] nonCrossingBiasedClimb := ownAboveThreat && Cur_Vertical_Sep >= MINSEP && Up_Separation >= Positive_RA_Alt_Thresh(Alt_Layer_Value); [L90] need_upward_RA := nonCrossingBiasedClimb && ownBelowThreat; [L95] upward_preferred := inhibitBiasedClimb > Down_Separation; [L96] COND FALSE !(upward_preferred) [L99] nonCrossingBiasedDescend := !ownAboveThreat || (ownAboveThreat && Up_Separation >= Positive_RA_Alt_Thresh(Alt_Layer_Value)); [L103] need_downward_RA := nonCrossingBiasedDescend && ownAboveThreat; [L104] COND FALSE !(need_upward_RA && need_downward_RA) [L106] COND TRUE need_upward_RA [L107] assert !(Up_Separation < Positive_RA_Alt_Thresh(Alt_Layer_Value) && Down_Separation >= Positive_RA_Alt_Thresh(Alt_Layer_Value)); - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. UNSAFE Result, 1.1s 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=9occurred 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: 1.0s 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-woAssumption.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-39-18-439.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/tcas-woAssumption.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-39-18-439.csv Received shutdown request...