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_array_compound_oct_cong.epf -i ../../../trunk/examples/programs/real-life/tcas-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:19:42,379 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:19:42,381 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:19:42,396 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:19:42,396 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:19:42,397 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:19:42,399 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:19:42,402 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:19:42,403 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:19:42,406 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:19:42,406 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 20:19:42,452 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf [2018-12-03 20:19:42,470 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:19:42,471 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:19:42,472 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:19:42,472 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:19:42,472 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:19:42,472 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:19:42,472 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:19:42,473 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:19:42,473 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:19:42,473 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:19:42,473 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:19:42,474 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:19:42,474 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:19:42,475 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:19:42,475 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:19:42,475 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:19:42,475 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:19:42,475 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:19:42,476 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:19:42,476 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:19:42,476 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:19:42,476 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:19:42,476 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:19:42,477 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:19:42,477 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:19:42,477 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:19:42,477 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:19:42,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:19:42,478 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:19:42,478 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:19:42,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:19:42,478 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:19:42,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:19:42,479 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:19:42,479 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:19:42,479 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:19:42,479 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:19:42,479 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:19:42,480 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:19:42,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:19:42,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:19:42,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:19:42,539 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:19:42,540 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:19:42,541 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-incorrect.bpl [2018-12-03 20:19:42,541 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/tcas-incorrect.bpl' [2018-12-03 20:19:42,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:19:42,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:19:42,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:19:42,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:19:42,600 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:19:42,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:42" (1/1) ... [2018-12-03 20:19:42,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:42" (1/1) ... [2018-12-03 20:19:42,638 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 20:19:42,638 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 20:19:42,638 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 20:19:42,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:19:42,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:19:42,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:19:42,642 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:19:42,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:42" (1/1) ... [2018-12-03 20:19:42,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:42" (1/1) ... [2018-12-03 20:19:42,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:42" (1/1) ... [2018-12-03 20:19:42,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:42" (1/1) ... [2018-12-03 20:19:42,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:42" (1/1) ... [2018-12-03 20:19:42,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:42" (1/1) ... [2018-12-03 20:19:42,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:42" (1/1) ... [2018-12-03 20:19:42,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:19:42,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:19:42,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:19:42,670 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:19:42,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:42" (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 [2018-12-03 20:19:42,750 INFO L124 BoogieDeclarations]: Specification and implementation of procedure alt_sep_test given in one single declaration [2018-12-03 20:19:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure alt_sep_test [2018-12-03 20:19:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_sep_test [2018-12-03 20:19:43,247 INFO L272 CfgBuilder]: Using library mode [2018-12-03 20:19:43,247 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 20:19:43,248 INFO L202 PluginConnector]: Adding new model tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:19:43 BoogieIcfgContainer [2018-12-03 20:19:43,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:19:43,249 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:19:43,249 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:19:43,250 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:19:43,250 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "tcas-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:19:43" (1/1) ... [2018-12-03 20:19:43,310 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:19:44,053 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:19:44,077 INFO L272 AbstractInterpreter]: Visited 22 different actions 59 times. Merged at 16 different actions 30 times. Never widened. Found 8 fixpoints after 4 different actions. Largest state had 0 variables. [2018-12-03 20:19:44,080 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:19:44,081 INFO L168 Benchmark]: Toolchain (without parser) took 1482.97 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 264.3 MB). Peak memory consumption was 264.3 MB. Max. memory is 7.1 GB. [2018-12-03 20:19:44,083 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-12-03 20:19:44,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.27 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. [2018-12-03 20:19:44,085 INFO L168 Benchmark]: Boogie Preprocessor took 28.16 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. [2018-12-03 20:19:44,086 INFO L168 Benchmark]: RCFGBuilder took 578.65 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:19:44,087 INFO L168 Benchmark]: Abstract Interpretation took 830.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:19:44,092 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 0.22 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 Procedure Inliner took 41.27 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 28.16 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 578.65 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 830.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 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; [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...