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/Elevator-Integer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:59:40,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:59:40,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:59:40,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-04 21:59:40,716 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 [2019-08-04 21:59:40,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 21:59:40,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 21:59:40,739 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 21:59:40,739 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 21:59:40,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 21:59:40,740 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 21:59:40,740 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 21:59:40,740 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 21:59:40,741 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 21:59:40,741 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 21:59:40,741 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 21:59:40,742 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 21:59:40,742 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 21:59:40,742 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 21:59:40,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 21:59:40,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 21:59:40,744 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 21:59:40,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 21:59:40,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 21:59:40,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 21:59:40,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 21:59:40,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 21:59:40,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 21:59:40,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 21:59:40,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 21:59:40,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 21:59:40,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 21:59:40,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 21:59:40,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 21:59:40,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 21:59:40,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 21:59:40,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 21:59:40,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 21:59:40,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 21:59:40,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 21:59:40,749 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 21:59:40,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 21:59:40,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 21:59:40,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 21:59:40,750 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 21:59:40,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:59:40,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:59:40,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:59:40,822 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:59:40,823 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:59:40,823 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2019-08-04 21:59:40,824 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2019-08-04 21:59:40,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:59:40,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 21:59:40,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 21:59:40,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 21:59:40,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 21:59:40,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:40,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:40,932 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-04 21:59:40,933 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-04 21:59:40,933 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-04 21:59:40,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 21:59:40,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:59:40,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:59:40,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:59:40,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:40,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:40,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:40,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:40,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:40,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:40,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (1/1) ... [2019-08-04 21:59:40,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:59:40,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:59:40,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:59:40,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:59:40,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:40" (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 [2019-08-04 21:59:41,069 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2019-08-04 21:59:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2019-08-04 21:59:41,069 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2019-08-04 21:59:41,761 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:59:41,761 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:59:41,763 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:59:41 BoogieIcfgContainer [2019-08-04 21:59:41,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:59:41,764 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 21:59:41,764 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 21:59:41,764 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 21:59:41,765 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:59:41" (1/1) ... [2019-08-04 21:59:41,796 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 21:59:42,443 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 21:59:42,466 INFO L272 AbstractInterpreter]: Visited 53 different actions 387 times. Merged at 40 different actions 179 times. Widened at 1 different actions 2 times. Performed 1769 root evaluator evaluations with a maximum evaluation depth of 6. Performed 1769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 105 fixpoints after 27 different actions. Largest state had 0 variables. [2019-08-04 21:59:42,467 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 21:59:42,472 INFO L168 Benchmark]: Toolchain (without parser) took 1592.48 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 105.9 MB in the beginning and 112.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:42,474 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 21:59:42,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.83 ms. Allocated memory is still 140.0 MB. Free memory was 105.7 MB in the beginning and 103.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:42,479 INFO L168 Benchmark]: Boogie Preprocessor took 49.35 ms. Allocated memory is still 140.0 MB. Free memory was 103.8 MB in the beginning and 102.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:42,480 INFO L168 Benchmark]: RCFGBuilder took 776.94 ms. Allocated memory is still 140.0 MB. Free memory was 102.5 MB in the beginning and 84.5 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:42,482 INFO L168 Benchmark]: Abstract Interpretation took 702.95 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 84.3 MB in the beginning and 112.0 MB in the end (delta: -27.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:42,489 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 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.83 ms. Allocated memory is still 140.0 MB. Free memory was 105.7 MB in the beginning and 103.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.35 ms. Allocated memory is still 140.0 MB. Free memory was 103.8 MB in the beginning and 102.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 776.94 ms. Allocated memory is still 140.0 MB. Free memory was 102.5 MB in the beginning and 84.5 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 702.95 ms. Allocated memory was 140.0 MB in the beginning and 177.7 MB in the end (delta: 37.7 MB). Free memory was 84.3 MB in the beginning and 112.0 MB in the end (delta: -27.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 185]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L37] assume min < max; [L38] assume min <= current'; [L39] assume current' <= max; [L40] goal' := current'; [L41] c2 := 0; [L42] c3 := 0; [L43] qCSP := 1; [L44] qDC1 := 1; [L45] qDC2 := 1; [L63] havoc newgoal; [L64] havoc start; [L65] havoc stop; [L66] havoc passed; [L68] current := current'; [L69] goal := goal'; [L70] dir := dir'; [L72] havoc current'; [L73] havoc goal'; [L74] havoc dir'; [L76] havoc timeIncrease; [L77] assume timeIncrease >= 0; [L78] c2 := c2 + timeIncrease; [L79] c3 := c3 + timeIncrease; [L80] COND FALSE !(qDC1 == 2) [L83] COND FALSE !(qDC2 == 3) [L89] COND TRUE qCSP == 1 && !newgoal && !start && !stop && !passed [L111] COND TRUE !newgoal && !start && !stop && !passed [L112] assume current' == current; [L113] assume goal' == goal; [L114] assume dir' == dir; [L145] COND FALSE !(qDC1 == 1 && passed) [L149] COND TRUE qDC1 == 1 && !passed [L163] COND TRUE qDC2 == 1 && current' == goal' [L185] assert min <= current' && current' <= max; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...