java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/real-life/tcas-woAssumption.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:37,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:37,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:37,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:14:37,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:14:37,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:37,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:37,466 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:37,467 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:37,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:37,467 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:37,467 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:37,467 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:37,468 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:37,468 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:37,468 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:37,468 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:37,468 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:37,469 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:37,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:37,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:37,470 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:37,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:37,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:37,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:37,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:37,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:37,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:37,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:37,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:37,472 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:37,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:37,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:37,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:37,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:37,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:37,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:37,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:37,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:37,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:37,474 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:37,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:37,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:37,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:37,475 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:37,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:37,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:37,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:37,531 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:37,531 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:37,532 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-woAssumption.bpl [2019-08-05 12:14:37,532 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-woAssumption.bpl' [2019-08-05 12:14:37,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:37,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:37,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:37,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:37,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:37,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,625 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:14:37,625 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:14:37,626 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:14:37,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:37,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:37,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:37,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:37,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:37,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:37,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:37,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:37,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:37,724 INFO L124 BoogieDeclarations]: Specification and implementation of procedure alt_sep_test given in one single declaration [2019-08-05 12:14:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure alt_sep_test [2019-08-05 12:14:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_sep_test [2019-08-05 12:14:38,212 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:14:38,212 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:14:38,213 INFO L202 PluginConnector]: Adding new model tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:38 BoogieIcfgContainer [2019-08-05 12:14:38,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:38,214 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:38,214 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:38,215 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:38,215 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "tcas-woAssumption.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,250 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:38,508 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:38,539 INFO L272 AbstractInterpreter]: Visited 22 different actions 65 times. Merged at 17 different actions 35 times. Never widened. Performed 348 root evaluator evaluations with a maximum evaluation depth of 5. Performed 348 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 15 fixpoints after 6 different actions. Largest state had 0 variables. [2019-08-05 12:14:38,539 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:38,544 INFO L168 Benchmark]: Toolchain (without parser) took 955.21 ms. Allocated memory is still 134.7 MB. Free memory was 108.6 MB in the beginning and 79.6 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,546 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.51 ms. Allocated memory is still 134.7 MB. Free memory was 108.4 MB in the beginning and 106.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,550 INFO L168 Benchmark]: Boogie Preprocessor took 27.85 ms. Allocated memory is still 134.7 MB. Free memory was 106.7 MB in the beginning and 105.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,552 INFO L168 Benchmark]: RCFGBuilder took 556.27 ms. Allocated memory is still 134.7 MB. Free memory was 105.4 MB in the beginning and 91.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,553 INFO L168 Benchmark]: Abstract Interpretation took 325.20 ms. Allocated memory is still 134.7 MB. Free memory was 91.1 MB in the beginning and 79.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,561 INFO L335 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 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.51 ms. Allocated memory is still 134.7 MB. Free memory was 108.4 MB in the beginning and 106.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.85 ms. Allocated memory is still 134.7 MB. Free memory was 106.7 MB in the beginning and 105.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 556.27 ms. Allocated memory is still 134.7 MB. Free memory was 105.4 MB in the beginning and 91.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 325.20 ms. Allocated memory is still 134.7 MB. Free memory was 91.1 MB in the beginning and 79.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 107]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible 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 TRUE upward_preferred [L84] nonCrossingBiasedClimb := !ownBelowThreat || (ownBelowThreat && !(Down_Separation > Positive_RA_Alt_Thresh(Alt_Layer_Value))); [L90] need_upward_RA := nonCrossingBiasedClimb && ownBelowThreat; [L95] upward_preferred := inhibitBiasedClimb > Down_Separation; [L96] COND TRUE upward_preferred [L97] nonCrossingBiasedDescend := ownBelowThreat && Cur_Vertical_Sep >= MINSEP && Down_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)); RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...