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/toy/tooDifficultLoopInvariant/Luxembourg.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 22:00:41,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 22:00:41,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 22:00:41,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-04 22:00:41,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 22:00:41,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 22:00:41,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 22:00:41,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 22:00:41,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 22:00:41,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 22:00:41,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 22:00:41,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 22:00:41,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 22:00:41,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 22:00:41,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 22:00:41,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 22:00:41,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-04 22:00:41,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 22:00:41,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 22:00:41,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 22:00:41,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 22:00:41,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 22:00:41,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 22:00:41,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 22:00:41,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-04 22:00:41,709 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 22:00:41,732 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 22:00:41,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 22:00:41,734 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 22:00:41,735 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 22:00:41,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 22:00:41,735 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 22:00:41,735 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 22:00:41,736 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 22:00:41,736 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 22:00:41,736 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 22:00:41,736 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 22:00:41,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 22:00:41,737 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 22:00:41,737 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 22:00:41,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 22:00:41,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 22:00:41,738 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 22:00:41,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 22:00:41,741 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 22:00:41,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 22:00:41,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 22:00:41,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 22:00:41,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 22:00:41,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 22:00:41,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 22:00:41,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 22:00:41,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 22:00:41,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 22:00:41,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 22:00:41,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 22:00:41,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 22:00:41,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 22:00:41,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 22:00:41,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 22:00:41,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 22:00:41,744 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 22:00:41,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 22:00:41,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 22:00:41,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 22:00:41,745 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 22:00:41,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 22:00:41,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 22:00:41,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 22:00:41,820 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 22:00:41,820 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 22:00:41,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl [2019-08-04 22:00:41,822 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl' [2019-08-04 22:00:41,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 22:00:41,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 22:00:41,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:41,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 22:00:41,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 22:00:41,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:41" (1/1) ... [2019-08-04 22:00:41,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:41" (1/1) ... [2019-08-04 22:00:41,896 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-04 22:00:41,897 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-04 22:00:41,897 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-04 22:00:41,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:41,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 22:00:41,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 22:00:41,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 22:00:41,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:41" (1/1) ... [2019-08-04 22:00:41,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:41" (1/1) ... [2019-08-04 22:00:41,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:41" (1/1) ... [2019-08-04 22:00:41,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:41" (1/1) ... [2019-08-04 22:00:41,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:41" (1/1) ... [2019-08-04 22:00:41,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:41" (1/1) ... [2019-08-04 22:00:41,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:41" (1/1) ... [2019-08-04 22:00:41,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 22:00:41,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 22:00:41,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 22:00:41,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 22:00:41,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:41" (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 22:00:42,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 22:00:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 22:00:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 22:00:42,242 INFO L275 CfgBuilder]: Using library mode [2019-08-04 22:00:42,242 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 22:00:42,244 INFO L202 PluginConnector]: Adding new model Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:42 BoogieIcfgContainer [2019-08-04 22:00:42,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 22:00:42,245 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 22:00:42,245 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 22:00:42,245 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 22:00:42,246 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:42" (1/1) ... [2019-08-04 22:00:42,271 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 22:00:42,369 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 22:00:42,390 INFO L272 AbstractInterpreter]: Visited 7 different actions 21 times. Merged at 4 different actions 10 times. Widened at 1 different actions 1 times. Performed 60 root evaluator evaluations with a maximum evaluation depth of 3. Performed 60 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 0 variables. [2019-08-04 22:00:42,390 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 22:00:42,393 INFO L168 Benchmark]: Toolchain (without parser) took 535.00 ms. Allocated memory is still 141.0 MB. Free memory was 105.8 MB in the beginning and 86.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:42,394 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 22:00:42,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.81 ms. Allocated memory is still 141.0 MB. Free memory was 105.8 MB in the beginning and 104.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:42,397 INFO L168 Benchmark]: Boogie Preprocessor took 29.61 ms. Allocated memory is still 141.0 MB. Free memory was 104.1 MB in the beginning and 102.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:42,398 INFO L168 Benchmark]: RCFGBuilder took 314.25 ms. Allocated memory is still 141.0 MB. Free memory was 102.7 MB in the beginning and 93.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:42,399 INFO L168 Benchmark]: Abstract Interpretation took 145.40 ms. Allocated memory is still 141.0 MB. Free memory was 93.9 MB in the beginning and 86.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:42,404 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 0.27 ms. Allocated memory is still 141.0 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.81 ms. Allocated memory is still 141.0 MB. Free memory was 105.8 MB in the beginning and 104.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.61 ms. Allocated memory is still 141.0 MB. Free memory was 104.1 MB in the beginning and 102.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 314.25 ms. Allocated memory is still 141.0 MB. Free memory was 102.7 MB in the beginning and 93.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 145.40 ms. Allocated memory is still 141.0 MB. Free memory was 93.9 MB in the beginning and 86.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 24]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L15] x := 0; [L16] y := 1000; [L19] x := x + 1; [L20] y := y - 1; [L19] x := x + 1; [L20] y := y - 1; [L23] COND TRUE x == 1000 [L24] assert y <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...