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/CountTillBound-Downwards.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:47,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:47,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:47,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:15:47,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:15:47,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:15:47,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:15:47,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:15:47,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:15:47,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:15:47,678 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:15:47,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:15:47,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:15:47,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:15:47,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:15:47,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:15:47,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:15:47,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:15:47,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:15:47,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:15:47,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:15:47,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:15:47,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:15:47,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:15:47,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:15:47,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:47,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:47,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:47,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:47,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:47,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:47,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:47,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:47,724 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 [2019-08-05 12:15:47,746 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:47,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:47,750 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:47,750 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:47,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:47,751 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:47,751 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:47,751 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:47,751 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:47,751 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:47,751 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:47,752 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:47,752 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:47,752 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:47,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:47,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:47,754 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:47,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:47,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:47,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:47,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:47,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:47,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:47,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:47,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:47,759 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:47,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:47,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:47,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:47,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:47,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:47,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:47,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:47,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:47,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:47,765 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:47,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:47,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:47,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:47,766 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:47,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:47,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:47,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:47,820 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:47,820 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:47,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/CountTillBound-Downwards.bpl [2019-08-05 12:15:47,821 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/CountTillBound-Downwards.bpl' [2019-08-05 12:15:47,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:47,854 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:47,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:47,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:47,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:47,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,886 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:15:47,887 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:15:47,887 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:15:47,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:47,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:47,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:47,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:47,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:47,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:47,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:47,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:47,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (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 [2019-08-05 12:15:47,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:15:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:15:47,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:15:48,197 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:15:48,198 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:15:48,199 INFO L202 PluginConnector]: Adding new model CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:48 BoogieIcfgContainer [2019-08-05 12:15:48,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:48,200 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:48,200 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:48,202 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:48,203 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "CountTillBound-Downwards.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:48" (1/1) ... [2019-08-05 12:15:48,234 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:48,329 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:48,347 INFO L272 AbstractInterpreter]: Visited 6 different actions 14 times. Merged at 2 different actions 4 times. Never widened. Performed 44 root evaluator evaluations with a maximum evaluation depth of 3. Performed 44 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:15:48,348 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:48,351 INFO L168 Benchmark]: Toolchain (without parser) took 495.60 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 89.0 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:48,352 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:48,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.61 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 105.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:48,355 INFO L168 Benchmark]: Boogie Preprocessor took 20.93 ms. Allocated memory is still 134.2 MB. Free memory was 105.3 MB in the beginning and 104.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:48,357 INFO L168 Benchmark]: RCFGBuilder took 288.51 ms. Allocated memory is still 134.2 MB. Free memory was 104.2 MB in the beginning and 95.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:48,358 INFO L168 Benchmark]: Abstract Interpretation took 147.99 ms. Allocated memory is still 134.2 MB. Free memory was 95.6 MB in the beginning and 89.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:48,363 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 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.61 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 105.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.93 ms. Allocated memory is still 134.2 MB. Free memory was 105.3 MB in the beginning and 104.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 288.51 ms. Allocated memory is still 134.2 MB. Free memory was 104.2 MB in the beginning and 95.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 147.99 ms. Allocated memory is still 134.2 MB. Free memory was 95.6 MB in the beginning and 89.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 22]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] x := 10; [L18] COND TRUE x > 0 [L19] x := x - 1; [L18] COND TRUE x > 0 [L19] x := x - 1; [L18] COND FALSE !(x > 0) [L22] assert x == 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...