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/LuxembourgOctopus.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:43,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:43,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:43,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:15:43,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:15:43,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:15:43,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:15:43,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:15:43,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:15:43,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:15:43,824 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:15:43,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:15:43,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:15:43,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:15:43,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:15:43,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:15:43,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:15:43,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:15:43,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:15:43,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:15:43,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:15:43,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:15:43,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:15:43,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:15:43,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:15:43,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:43,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:43,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:43,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:43,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:43,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:43,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:43,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:43,864 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 12:15:43,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:43,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:43,893 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:43,893 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:43,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:43,894 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:43,894 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:43,895 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:43,895 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:43,896 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:43,896 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:43,896 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:43,896 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:43,896 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:43,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:43,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:43,899 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:43,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:43,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:43,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:43,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:43,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:43,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:43,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:43,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:43,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:43,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:43,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:43,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:43,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:43,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:43,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:43,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:43,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:43,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:43,904 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:43,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:43,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:43,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:43,905 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:43,964 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:43,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:43,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:43,986 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:43,987 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:43,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LuxembourgOctopus.bpl [2019-08-05 12:15:43,988 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LuxembourgOctopus.bpl' [2019-08-05 12:15:44,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:44,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:44,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:44,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:44,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:44,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,062 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:15:44,062 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:15:44,062 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:15:44,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:44,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:44,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:44,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:44,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:44,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:44,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:44,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:44,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:44" (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 12:15:44,163 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:15:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:15:44,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:15:44,317 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:15:44,317 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:15:44,318 INFO L202 PluginConnector]: Adding new model LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:44 BoogieIcfgContainer [2019-08-05 12:15:44,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:44,319 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:44,319 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:44,320 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:44,321 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "LuxembourgOctopus.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:44" (1/1) ... [2019-08-05 12:15:44,350 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:44,507 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:44,529 INFO L272 AbstractInterpreter]: Visited 7 different actions 25 times. Merged at 5 different actions 14 times. Widened at 1 different actions 1 times. Performed 73 root evaluator evaluations with a maximum evaluation depth of 4. Performed 73 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 4 fixpoints after 3 different actions. Largest state had 0 variables. [2019-08-05 12:15:44,530 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:44,533 INFO L168 Benchmark]: Toolchain (without parser) took 506.01 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 87.1 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,534 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.80 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 104.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,537 INFO L168 Benchmark]: Boogie Preprocessor took 26.51 ms. Allocated memory is still 140.0 MB. Free memory was 104.2 MB in the beginning and 103.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,538 INFO L168 Benchmark]: RCFGBuilder took 226.03 ms. Allocated memory is still 140.0 MB. Free memory was 103.0 MB in the beginning and 94.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,539 INFO L168 Benchmark]: Abstract Interpretation took 210.62 ms. Allocated memory is still 140.0 MB. Free memory was 94.2 MB in the beginning and 87.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:44,544 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 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.80 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 104.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.51 ms. Allocated memory is still 140.0 MB. Free memory was 104.2 MB in the beginning and 103.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.03 ms. Allocated memory is still 140.0 MB. Free memory was 103.0 MB in the beginning and 94.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 210.62 ms. Allocated memory is still 140.0 MB. Free memory was 94.2 MB in the beginning and 87.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 25]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L16] x := 0 + z; [L17] y := 1000; [L24] COND TRUE x == 1000 + z [L25] assert y <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...