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/InvariantSynthesis/InvariantSynthesis_WPHelpful02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:10,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:10,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:10,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:16:10,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:16:10,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:16:10,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:16:10,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:16:10,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:16:10,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:16:10,913 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:16:10,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:16:10,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:16:10,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:16:10,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:16:10,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:16:10,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:16:10,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:16:10,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:16:10,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:16:10,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:16:10,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:16:10,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:16:10,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:16:10,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:16:10,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:10,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:10,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:10,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:10,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:10,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:10,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:10,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:16:10,944 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 12:16:10,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:10,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:10,961 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:10,962 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:10,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:10,962 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:10,962 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:10,963 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:10,963 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:10,963 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:10,963 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:10,963 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:10,964 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:10,964 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:10,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:10,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:10,965 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:10,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:10,965 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:10,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:10,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:10,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:10,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:10,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:10,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:10,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:10,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:10,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:10,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:10,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:10,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:10,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:10,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:10,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:10,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:10,969 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:10,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:10,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:10,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:10,970 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:11,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:11,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:11,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:11,018 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:11,019 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:11,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSynthesis/InvariantSynthesis_WPHelpful02.bpl [2019-08-05 12:16:11,020 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSynthesis/InvariantSynthesis_WPHelpful02.bpl' [2019-08-05 12:16:11,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:11,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:11,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:11,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:11,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:11,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:11" (1/1) ... [2019-08-05 12:16:11,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:11" (1/1) ... [2019-08-05 12:16:11,091 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:16:11,091 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:16:11,091 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:16:11,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:11,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:11,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:11,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:11,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:11" (1/1) ... [2019-08-05 12:16:11,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:11" (1/1) ... [2019-08-05 12:16:11,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:11" (1/1) ... [2019-08-05 12:16:11,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:11" (1/1) ... [2019-08-05 12:16:11,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:11" (1/1) ... [2019-08-05 12:16:11,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:11" (1/1) ... [2019-08-05 12:16:11,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:11" (1/1) ... [2019-08-05 12:16:11,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:11,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:11,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:11,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:11,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:11" (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 12:16:11,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:16:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:16:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:16:11,494 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:16:11,494 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:11,496 INFO L202 PluginConnector]: Adding new model InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:11 BoogieIcfgContainer [2019-08-05 12:16:11,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:11,498 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:11,498 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:11,499 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:11,500 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "InvariantSynthesis_WPHelpful02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:11" (1/1) ... [2019-08-05 12:16:11,530 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:11,715 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:11,737 INFO L272 AbstractInterpreter]: Visited 10 different actions 38 times. Merged at 9 different actions 19 times. Widened at 1 different actions 1 times. Performed 165 root evaluator evaluations with a maximum evaluation depth of 4. Performed 165 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 9 fixpoints after 4 different actions. Largest state had 0 variables. [2019-08-05 12:16:11,738 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:11,741 INFO L168 Benchmark]: Toolchain (without parser) took 683.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 84.5 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:11,742 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:16:11,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.73 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 104.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:11,745 INFO L168 Benchmark]: Boogie Preprocessor took 21.76 ms. Allocated memory is still 132.6 MB. Free memory was 104.6 MB in the beginning and 103.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:11,746 INFO L168 Benchmark]: RCFGBuilder took 380.05 ms. Allocated memory is still 132.6 MB. Free memory was 103.3 MB in the beginning and 93.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:11,747 INFO L168 Benchmark]: Abstract Interpretation took 239.56 ms. Allocated memory is still 132.6 MB. Free memory was 93.9 MB in the beginning and 84.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:11,751 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 0.20 ms. Allocated memory is still 132.6 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.73 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 104.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.76 ms. Allocated memory is still 132.6 MB. Free memory was 104.6 MB in the beginning and 103.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 380.05 ms. Allocated memory is still 132.6 MB. Free memory was 103.3 MB in the beginning and 93.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 239.56 ms. Allocated memory is still 132.6 MB. Free memory was 93.9 MB in the beginning and 84.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 30]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L14] a := 42; [L15] z := 0; [L16] y := 0; [L17] x := 5; [L18] COND TRUE x > 0 [L19] COND FALSE !(y >= 0 && z >= 0 && a >= 0) [L22] x := -42; [L24] COND TRUE x < 0 [L25] y := -10; [L26] a := y; [L27] z := a; [L18] COND FALSE !(x > 0) [L30] assert y >= 0 && z >= 0 && a >= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...