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/DraegerElevator-FSEN2007.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:19:37,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:19:37,734 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:19:37,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:19:37,753 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:19:37,755 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:19:37,757 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:19:37,760 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:19:37,762 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:19:37,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:19:37,765 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 20:19:37,817 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 20:19:37,838 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:19:37,838 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:19:37,839 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:19:37,840 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:19:37,840 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:19:37,840 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:19:37,840 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:19:37,840 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:19:37,841 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:19:37,841 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:19:37,841 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:19:37,841 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:19:37,842 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:19:37,842 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:19:37,843 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:19:37,843 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:19:37,843 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:19:37,843 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:19:37,843 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:19:37,844 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:19:37,844 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:19:37,844 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:19:37,844 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:19:37,845 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:19:37,845 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:19:37,845 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:19:37,845 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:19:37,846 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:19:37,846 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:19:37,846 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:19:37,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:19:37,847 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:19:37,847 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:19:37,847 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:19:37,847 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:19:37,847 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:19:37,848 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:19:37,848 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:19:37,848 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:19:37,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:19:37,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:19:37,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:19:37,899 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:19:37,899 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:19:37,900 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/DraegerElevator-FSEN2007.bpl [2018-12-03 20:19:37,901 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/DraegerElevator-FSEN2007.bpl' [2018-12-03 20:19:37,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:19:37,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:19:37,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:19:37,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:19:37,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:19:37,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:37,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:37,982 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 20:19:37,982 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 20:19:37,983 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 20:19:37,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:19:37,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:19:37,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:19:37,987 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:19:37,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:37,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:37,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:37" (1/1) ... [2018-12-03 20:19:38,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:19:38,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:19:38,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:19:38,012 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:19:38,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DraegerElevator-FSEN2007.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 20:19:38,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-12-03 20:19:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 20:19:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 20:19:38,614 INFO L272 CfgBuilder]: Using library mode [2018-12-03 20:19:38,614 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:19:38,614 INFO L202 PluginConnector]: Adding new model DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:19:38 BoogieIcfgContainer [2018-12-03 20:19:38,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:19:38,615 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:19:38,615 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:19:38,616 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:19:38,617 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "DraegerElevator-FSEN2007.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:19:38" (1/1) ... [2018-12-03 20:19:38,670 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:19:39,049 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:19:39,067 INFO L272 AbstractInterpreter]: Visited 26 different actions 78 times. Merged at 17 different actions 27 times. Never widened. Found 24 fixpoints after 16 different actions. Largest state had 0 variables. [2018-12-03 20:19:39,069 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:19:39,070 INFO L168 Benchmark]: Toolchain (without parser) took 1125.85 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-12-03 20:19:39,073 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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 20:19:39,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.77 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 20:19:39,075 INFO L168 Benchmark]: Boogie Preprocessor took 24.95 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 20:19:39,075 INFO L168 Benchmark]: RCFGBuilder took 602.65 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:19:39,077 INFO L168 Benchmark]: Abstract Interpretation took 454.37 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:19:39,084 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.77 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 24.95 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 602.65 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 454.37 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 10]: 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: [L4] assume current <= max; [L5] assume input <= max; [L7] pc := 0; [L10] invariant current <= max; [L13] COND TRUE pc == 0 [L14] pc := 1; [L15] req := input; [L19] COND TRUE pc == 1 [L20] COND FALSE !(req > current) [L23] COND TRUE req < current [L25] pc := 3; [L35] COND FALSE !(pc == 2) [L48] COND TRUE pc == 3 [L49] COND TRUE req < current [L51] current := current - 1; [L10] invariant current <= max; [L13] COND FALSE !(pc == 0) [L19] COND FALSE !(pc == 1) [L35] COND TRUE pc == 2 [L36] COND TRUE req > current [L38] current := current + 1; [L48] COND FALSE !(pc == 3) [L10] invariant current <= max; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...