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/ElevatorWithAssignments.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:38,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:38,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:38,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:14:38,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:14:38,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:14:38,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:14:38,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:14:38,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:14:38,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:14:38,496 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:14:38,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:14:38,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:14:38,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:14:38,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:14:38,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:14:38,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:14:38,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:14:38,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:14:38,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:14:38,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:14:38,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:14:38,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:14:38,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:14:38,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:14:38,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:14:38,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:14:38,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:14:38,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:14:38,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:14:38,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:14:38,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:14:38,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:14:38,523 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 12:14:38,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:38,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:38,537 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:38,537 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:38,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:38,538 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:38,538 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:38,538 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:38,539 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:38,539 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:38,539 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:38,539 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:38,539 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:38,540 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:38,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:38,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:38,541 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:38,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:38,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:38,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:38,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:38,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:38,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:38,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:38,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:38,542 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:38,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:38,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:38,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:38,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:38,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:38,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:38,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:38,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:38,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:38,545 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:38,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:38,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:38,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:38,545 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:38,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:38,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:38,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:38,592 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:38,592 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:38,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2019-08-05 12:14:38,593 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2019-08-05 12:14:38,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:38,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:38,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:38,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:38,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:38,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,672 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:14:38,673 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:14:38,673 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:14:38,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:38,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:38,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:38,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:38,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:38" (1/1) ... [2019-08-05 12:14:38,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:38,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:38,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:38,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:38,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.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 12:14:38,775 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2019-08-05 12:14:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2019-08-05 12:14:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2019-08-05 12:14:39,450 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:14:39,450 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:14:39,452 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:39 BoogieIcfgContainer [2019-08-05 12:14:39,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:39,452 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:39,453 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:39,453 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:39,454 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:39" (1/1) ... [2019-08-05 12:14:39,481 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:40,089 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:40,109 INFO L272 AbstractInterpreter]: Visited 53 different actions 455 times. Merged at 41 different actions 211 times. Widened at 1 different actions 3 times. Performed 1884 root evaluator evaluations with a maximum evaluation depth of 6. Performed 1884 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 127 fixpoints after 26 different actions. Largest state had 0 variables. [2019-08-05 12:14:40,110 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:40,118 INFO L168 Benchmark]: Toolchain (without parser) took 1471.23 ms. Allocated memory was 138.9 MB in the beginning and 179.3 MB in the end (delta: 40.4 MB). Free memory was 104.6 MB in the beginning and 115.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:40,119 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:40,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.96 ms. Allocated memory is still 138.9 MB. Free memory was 104.4 MB in the beginning and 102.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:40,122 INFO L168 Benchmark]: Boogie Preprocessor took 27.73 ms. Allocated memory is still 138.9 MB. Free memory was 102.6 MB in the beginning and 101.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:40,124 INFO L168 Benchmark]: RCFGBuilder took 747.91 ms. Allocated memory is still 138.9 MB. Free memory was 101.3 MB in the beginning and 83.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:40,125 INFO L168 Benchmark]: Abstract Interpretation took 657.39 ms. Allocated memory was 138.9 MB in the beginning and 179.3 MB in the end (delta: 40.4 MB). Free memory was 83.9 MB in the beginning and 115.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:40,130 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 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 33.96 ms. Allocated memory is still 138.9 MB. Free memory was 104.4 MB in the beginning and 102.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.73 ms. Allocated memory is still 138.9 MB. Free memory was 102.6 MB in the beginning and 101.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 747.91 ms. Allocated memory is still 138.9 MB. Free memory was 101.3 MB in the beginning and 83.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 657.39 ms. Allocated memory was 138.9 MB in the beginning and 179.3 MB in the end (delta: 40.4 MB). Free memory was 83.9 MB in the beginning and 115.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 48]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L36] assume min < max; [L37] goal := min; [L38] current := min; [L39] dir := 0; [L40] c2 := 0; [L41] c3 := 0; [L42] qCSP := 1; [L43] qDC1 := 1; [L44] qDC2 := 1; [L48-L55] invariant min <= current && current <= max; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...