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/Elevator.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:19:37,782 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:19:37,784 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:19:37,798 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:19:37,798 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:19:37,800 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:19:37,801 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:19:37,803 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:19:37,808 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:19:37,809 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:19:37,814 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 20:19:37,843 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 20:19:37,864 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:19:37,864 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:19:37,865 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:19:37,865 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:19:37,866 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:19:37,866 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:19:37,866 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:19:37,866 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:19:37,867 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:19:37,867 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:19:37,867 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:19:37,868 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:19:37,868 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:19:37,869 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:19:37,869 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:19:37,869 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:19:37,869 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:19:37,869 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:19:37,870 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:19:37,870 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:19:37,870 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:19:37,870 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:19:37,870 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:19:37,870 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:19:37,872 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:19:37,872 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:19:37,872 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:19:37,873 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:19:37,873 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:19:37,873 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:19:37,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:19:37,874 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:19:37,874 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:19:37,874 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:19:37,874 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:19:37,875 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:19:37,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:19:37,875 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:19:37,875 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:19:37,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:19:37,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:19:37,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:19:37,940 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:19:37,941 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:19:37,941 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator.bpl [2018-12-03 20:19:37,942 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator.bpl' [2018-12-03 20:19:37,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:19:37,990 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:19:37,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:19:37,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:19:37,991 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:19:38,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,028 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 20:19:38,029 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 20:19:38,029 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 20:19:38,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:19:38,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:19:38,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:19:38,033 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:19:38,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:19:38,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:19:38,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:19:38,076 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:19:38,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (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 20:19:38,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-12-03 20:19:38,157 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-12-03 20:19:38,158 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-12-03 20:19:38,720 INFO L272 CfgBuilder]: Using library mode [2018-12-03 20:19:38,721 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:19:38,721 INFO L202 PluginConnector]: Adding new model Elevator.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:19:38 BoogieIcfgContainer [2018-12-03 20:19:38,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:19:38,722 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:19:38,722 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:19:38,722 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:19:38,723 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Elevator.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:38,781 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:19:40,740 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:19:40,776 INFO L272 AbstractInterpreter]: Visited 58 different actions 606 times. Merged at 47 different actions 296 times. Widened at 1 different actions 8 times. Found 158 fixpoints after 39 different actions. Largest state had 0 variables. [2018-12-03 20:19:40,780 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:19:40,782 INFO L168 Benchmark]: Toolchain (without parser) took 2792.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 370.0 MB). Peak memory consumption was 370.0 MB. Max. memory is 7.1 GB. [2018-12-03 20:19:40,784 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:19:40,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:19:40,787 INFO L168 Benchmark]: Boogie Preprocessor took 42.69 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:19:40,787 INFO L168 Benchmark]: RCFGBuilder took 646.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 20:19:40,790 INFO L168 Benchmark]: Abstract Interpretation took 2058.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. [2018-12-03 20:19:40,797 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 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.69 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 646.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 2058.78 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 338.2 MB). Peak memory consumption was 338.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 79]: 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 := 0.0; [L42] c3 := 0.0; [L43] qCSP := 1; [L44] qDC1 := 1; [L45] qDC2 := 1; [L61] havoc timeIncrease; [L62] assume timeIncrease > 0.0; [L63] c2 := c2 + timeIncrease; [L64] c3 := c3 + timeIncrease; [L66] COND FALSE !(qDC1 == 2) [L70] COND TRUE qDC2 == 1 [L71] assume current == goal; [L79] assert min <= current && current <= max; [L81] havoc newgoal; [L82] havoc start; [L83] havoc stop; [L84] havoc passed; [L86] havoc current'; [L87] havoc goal'; [L88] havoc dir'; [L91] COND FALSE !(qCSP == 1 && !newgoal && !start && !stop && !passed) [L93] COND TRUE qCSP == 1 && newgoal && !start && !stop && !passed [L94] qCSP := 2; [L113] COND FALSE !(!newgoal && !start && !stop && !passed) [L118] COND TRUE newgoal && !start && !stop && !passed [L119] assume min <= goal'; [L120] assume goal' <= max; [L121] assume goal' != current; [L122] assume current' == current; [L123] assume dir' == dir; [L147] COND TRUE qDC1 == 1 [L149] assume !passed; [L167] COND TRUE qDC2 == 1 [L192] current := current'; [L193] goal := goal'; [L194] dir := dir'; [L61] havoc timeIncrease; [L62] assume timeIncrease > 0.0; [L63] c2 := c2 + timeIncrease; [L64] c3 := c3 + timeIncrease; [L66] COND FALSE !(qDC1 == 2) [L70] COND TRUE qDC2 == 1 [L71] assume current == goal; [L79] assert min <= current && current <= max; [L81] havoc newgoal; [L82] havoc start; [L83] havoc stop; [L84] havoc passed; [L86] havoc current'; [L87] havoc goal'; [L88] havoc dir'; [L91] COND FALSE !(qCSP == 1 && !newgoal && !start && !stop && !passed) [L93] COND FALSE !(qCSP == 1 && newgoal && !start && !stop && !passed) [L96] COND FALSE !(qCSP == 2 && !newgoal && !start && !stop && !passed) [L98] COND TRUE qCSP == 2 && !newgoal && start && !stop && !passed [L99] qCSP := 3; [L113] COND TRUE !newgoal && !start && !stop && !passed [L114] assume current' == current; [L115] assume goal' == goal; [L116] assume dir' == dir; [L147] COND TRUE qDC1 == 1 [L149] assume !passed; [L167] COND TRUE qDC2 == 1 [L192] current := current'; [L193] goal := goal'; [L194] dir := dir'; [L61] havoc timeIncrease; [L62] assume timeIncrease > 0.0; [L63] c2 := c2 + timeIncrease; [L64] c3 := c3 + timeIncrease; [L66] COND FALSE !(qDC1 == 2) [L70] COND TRUE qDC2 == 1 [L71] assume current == goal; [L79] assert min <= current && current <= max; [L81] havoc newgoal; [L82] havoc start; [L83] havoc stop; [L84] havoc passed; [L86] havoc current'; [L87] havoc goal'; [L88] havoc dir'; [L91] COND FALSE !(qCSP == 1 && !newgoal && !start && !stop && !passed) [L93] COND FALSE !(qCSP == 1 && newgoal && !start && !stop && !passed) [L96] COND FALSE !(qCSP == 2 && !newgoal && !start && !stop && !passed) [L98] COND FALSE !(qCSP == 2 && !newgoal && start && !stop && !passed) [L101] COND FALSE !(qCSP == 3 && !newgoal && !start && !stop && !passed) [L103] COND TRUE qCSP == 3 && !newgoal && !start && !stop && passed [L113] COND FALSE !(!newgoal && !start && !stop && !passed) [L118] COND FALSE !(newgoal && !start && !stop && !passed) [L125] COND FALSE !(!newgoal && start && !stop && !passed) [L131] COND FALSE !(!newgoal && !start && stop && !passed) [L137] COND TRUE !newgoal && !start && !stop && passed [L138] assume current' == current + dir; [L139] assume goal' == goal; [L140] assume dir' == dir; [L147] COND TRUE qDC1 == 1 [L149] assume !passed; [L167] COND TRUE qDC2 == 1 [L192] current := current'; [L193] goal := goal'; [L194] dir := dir'; [L61] havoc timeIncrease; [L62] assume timeIncrease > 0.0; [L63] c2 := c2 + timeIncrease; [L64] c3 := c3 + timeIncrease; [L66] COND FALSE !(qDC1 == 2) [L70] COND FALSE !(qDC2 == 1) [L72] COND TRUE qDC2 == 2 [L73] assume current != goal; [L79] assert min <= current && current <= max; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...