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-c78c21b [2018-12-03 19:50:55,681 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 19:50:55,684 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 19:50:55,701 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 19:50:55,701 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 19:50:55,704 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 19:50:55,705 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 19:50:55,708 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 19:50:55,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 19:50:55,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 19:50:55,718 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 19:50:55,760 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-03 19:50:55,785 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 19:50:55,785 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 19:50:55,786 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 19:50:55,786 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 19:50:55,787 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 19:50:55,788 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 19:50:55,788 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 19:50:55,788 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 19:50:55,788 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 19:50:55,788 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 19:50:55,789 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 19:50:55,789 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 19:50:55,789 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 19:50:55,789 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 19:50:55,789 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 19:50:55,791 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 19:50:55,791 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 19:50:55,791 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 19:50:55,791 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 19:50:55,792 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 19:50:55,794 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 19:50:55,794 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 19:50:55,794 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 19:50:55,794 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 19:50:55,794 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 19:50:55,794 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 19:50:55,795 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 19:50:55,795 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 19:50:55,795 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 19:50:55,795 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 19:50:55,795 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 19:50:55,796 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 19:50:55,796 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 19:50:55,796 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 19:50:55,796 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 19:50:55,796 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 19:50:55,797 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 19:50:55,797 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 19:50:55,797 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 19:50:55,797 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 19:50:55,798 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 19:50:55,839 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 19:50:55,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 19:50:55,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 19:50:55,860 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 19:50:55,861 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 19:50:55,861 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-12-03 19:50:55,862 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-12-03 19:50:55,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 19:50:55,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 19:50:55,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 19:50:55,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 19:50:55,917 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 19:50:55,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:50:55" (1/1) ... [2018-12-03 19:50:55,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:50:55" (1/1) ... [2018-12-03 19:50:55,957 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 19:50:55,957 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 19:50:55,957 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 19:50:55,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 19:50:55,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 19:50:55,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 19:50:55,962 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 19:50:55,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:50:55" (1/1) ... [2018-12-03 19:50:55,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:50:55" (1/1) ... [2018-12-03 19:50:55,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:50:55" (1/1) ... [2018-12-03 19:50:55,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:50:55" (1/1) ... [2018-12-03 19:50:55,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:50:55" (1/1) ... [2018-12-03 19:50:55,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:50:55" (1/1) ... [2018-12-03 19:50:55,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:50:55" (1/1) ... [2018-12-03 19:50:56,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 19:50:56,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 19:50:56,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 19:50:56,003 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 19:50:56,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:50:55" (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 19:50:56,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-12-03 19:50:56,081 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-12-03 19:50:56,081 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-12-03 19:50:56,754 INFO L272 CfgBuilder]: Using library mode [2018-12-03 19:50:56,754 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 19:50:56,755 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:50:56 BoogieIcfgContainer [2018-12-03 19:50:56,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 19:50:56,756 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 19:50:56,756 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 19:50:56,756 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 19:50:56,757 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:50:56" (1/1) ... [2018-12-03 19:50:56,800 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 19:50:58,189 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 19:50:58,213 INFO L272 AbstractInterpreter]: Visited 53 different actions 411 times. Merged at 40 different actions 193 times. Widened at 1 different actions 2 times. Found 107 fixpoints after 28 different actions. Largest state had 0 variables. [2018-12-03 19:50:58,215 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 19:50:58,217 INFO L168 Benchmark]: Toolchain (without parser) took 2302.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2018-12-03 19:50:58,219 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 19:50:58,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.20 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 19:50:58,221 INFO L168 Benchmark]: Boogie Preprocessor took 40.99 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 19:50:58,222 INFO L168 Benchmark]: RCFGBuilder took 752.68 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-12-03 19:50:58,223 INFO L168 Benchmark]: Abstract Interpretation took 1460.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 7.1 GB. [2018-12-03 19:50:58,229 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 44.20 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 40.99 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 752.68 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1460.02 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 169.1 MB). Peak memory consumption was 169.1 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...