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-correct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:38,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:38,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:38,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:14:38,573 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 12:14:38,587 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:38,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:38,588 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:38,588 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:38,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:38,589 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:38,589 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:38,589 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:38,589 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:38,589 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:38,590 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:38,590 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:38,590 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:38,592 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:38,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:38,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:38,593 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:38,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:38,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:38,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:38,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:38,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:38,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:38,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:38,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:38,595 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:38,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:38,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:38,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:38,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:38,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:38,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:38,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:38,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:38,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:38,598 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:38,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:38,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:38,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:38,599 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:38,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:38,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:38,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:38,658 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:38,659 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:38,660 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-correct.bpl [2019-08-05 12:14:38,660 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-correct.bpl' [2019-08-05 12:14:38,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:38,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:38,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:38,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:38,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:38,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,751 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:14:38,751 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:14:38,752 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:14:38,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:38,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:38,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:38,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:38,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:38,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:38,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:38,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:38,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (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 12:14:38,860 INFO L124 BoogieDeclarations]: Specification and implementation of procedure alt_sep_test given in one single declaration [2019-08-05 12:14:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure alt_sep_test [2019-08-05 12:14:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_sep_test [2019-08-05 12:14:39,299 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:14:39,299 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:14:39,300 INFO L202 PluginConnector]: Adding new model tcas-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:39 BoogieIcfgContainer [2019-08-05 12:14:39,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:39,301 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:39,302 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:39,302 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:39,303 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "tcas-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:39" (1/1) ... [2019-08-05 12:14:39,334 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:39,546 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:39,572 INFO L272 AbstractInterpreter]: Visited 22 different actions 64 times. Merged at 16 different actions 34 times. Never widened. Performed 304 root evaluator evaluations with a maximum evaluation depth of 5. Performed 304 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 7 fixpoints after 4 different actions. Largest state had 0 variables. [2019-08-05 12:14:39,572 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:39,576 INFO L168 Benchmark]: Toolchain (without parser) took 861.53 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 77.3 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:39,577 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:39,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.42 ms. Allocated memory is still 138.9 MB. Free memory was 104.8 MB in the beginning and 103.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:39,580 INFO L168 Benchmark]: Boogie Preprocessor took 30.18 ms. Allocated memory is still 138.9 MB. Free memory was 103.0 MB in the beginning and 101.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:39,581 INFO L168 Benchmark]: RCFGBuilder took 510.45 ms. Allocated memory is still 138.9 MB. Free memory was 101.7 MB in the beginning and 87.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:39,582 INFO L168 Benchmark]: Abstract Interpretation took 271.10 ms. Allocated memory is still 138.9 MB. Free memory was 87.6 MB in the beginning and 77.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:39,587 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 138.9 MB. Free memory was 106.3 MB in the beginning and 106.1 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 40.42 ms. Allocated memory is still 138.9 MB. Free memory was 104.8 MB in the beginning and 103.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.18 ms. Allocated memory is still 138.9 MB. Free memory was 103.0 MB in the beginning and 101.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 510.45 ms. Allocated memory is still 138.9 MB. Free memory was 101.7 MB in the beginning and 87.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 271.10 ms. Allocated memory is still 138.9 MB. Free memory was 87.6 MB in the beginning and 77.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 103]: 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 Up_Separation < Positive_RA_Alt_Thresh(Alt_Layer_Value); [L53] assume Down_Separation >= Positive_RA_Alt_Thresh(Alt_Layer_Value); [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 TRUE upward_preferred [L83] nonCrossingBiasedClimb := !ownBelowThreat || (ownBelowThreat && !(Down_Separation >= Positive_RA_Alt_Thresh(Alt_Layer_Value))); [L89] need_upward_RA := nonCrossingBiasedClimb && ownBelowThreat; [L94] upward_preferred := inhibitBiasedClimb > Down_Separation; [L95] COND TRUE upward_preferred [L96] nonCrossingBiasedDescend := ownBelowThreat && Cur_Vertical_Sep >= MINSEP && Down_Separation >= Positive_RA_Alt_Thresh(Alt_Layer_Value); [L102] need_downward_RA := nonCrossingBiasedDescend && ownAboveThreat; [L103] assert !need_upward_RA; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...