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/INT_FlaggedConditionalEx2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:51,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:51,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:51,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:15:51,603 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 12:15:51,614 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:51,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:51,616 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:51,616 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:51,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:51,616 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:51,616 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:51,617 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:51,617 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:51,617 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:51,617 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:51,618 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:51,618 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:51,618 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:51,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:51,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:51,619 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:51,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:51,620 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:51,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:51,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:51,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:51,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:51,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:51,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:51,621 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:51,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:51,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:51,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:51,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:51,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:51,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:51,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:51,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:51,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:51,623 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:51,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:51,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:51,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:51,624 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:51,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:51,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:51,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:51,670 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:51,671 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:51,671 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/INT_FlaggedConditionalEx2.bpl [2019-08-05 12:15:51,672 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/INT_FlaggedConditionalEx2.bpl' [2019-08-05 12:15:51,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:51,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:51,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:51,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:51,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:51,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:51" (1/1) ... [2019-08-05 12:15:51,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:51" (1/1) ... [2019-08-05 12:15:51,735 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:15:51,735 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:15:51,735 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:15:51,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:51,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:51,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:51,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:51,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:51" (1/1) ... [2019-08-05 12:15:51,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:51" (1/1) ... [2019-08-05 12:15:51,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:51" (1/1) ... [2019-08-05 12:15:51,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:51" (1/1) ... [2019-08-05 12:15:51,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:51" (1/1) ... [2019-08-05 12:15:51,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:51" (1/1) ... [2019-08-05 12:15:51,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:51" (1/1) ... [2019-08-05 12:15:51,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:51,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:51,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:51,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:51,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:51" (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 12:15:51,834 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 12:15:51,834 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 12:15:51,834 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 12:15:52,179 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:15:52,179 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:15:52,181 INFO L202 PluginConnector]: Adding new model INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:52 BoogieIcfgContainer [2019-08-05 12:15:52,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:52,182 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:52,182 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:52,185 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:52,186 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:52" (1/1) ... [2019-08-05 12:15:52,220 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:52,422 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:52,445 INFO L272 AbstractInterpreter]: Visited 14 different actions 43 times. Merged at 11 different actions 18 times. Never widened. Performed 157 root evaluator evaluations with a maximum evaluation depth of 7. Performed 157 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 10 fixpoints after 6 different actions. Largest state had 0 variables. [2019-08-05 12:15:52,445 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:52,449 INFO L168 Benchmark]: Toolchain (without parser) took 741.98 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 83.6 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:52,450 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:15:52,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.99 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 103.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:52,454 INFO L168 Benchmark]: Boogie Preprocessor took 24.33 ms. Allocated memory is still 140.0 MB. Free memory was 103.8 MB in the beginning and 102.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:52,457 INFO L168 Benchmark]: RCFGBuilder took 418.32 ms. Allocated memory is still 140.0 MB. Free memory was 102.5 MB in the beginning and 92.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:52,458 INFO L168 Benchmark]: Abstract Interpretation took 263.60 ms. Allocated memory is still 140.0 MB. Free memory was 92.9 MB in the beginning and 83.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:52,466 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 140.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 31.99 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 103.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.33 ms. Allocated memory is still 140.0 MB. Free memory was 103.8 MB in the beginning and 102.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 418.32 ms. Allocated memory is still 140.0 MB. Free memory was 102.5 MB in the beginning and 92.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 263.60 ms. Allocated memory is still 140.0 MB. Free memory was 92.9 MB in the beginning and 83.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 18]: 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: [L13] flag := true; [L15] x := 10; [L16] y := 0; [L18] invariant (x == 0 && y == 10 && flag == false) || (y == 0 && x == 10 && flag == true); [L21] flag := false; [L25] COND FALSE !(flag == true) [L31] COND TRUE x > 0 [L32] y := y + 1; [L33] x := x - 1; [L31] COND TRUE x > 0 [L32] y := y + 1; [L33] x := x - 1; [L31] COND FALSE !(x > 0) [L18] invariant (x == 0 && y == 10 && flag == false) || (y == 0 && x == 10 && flag == true); - PositiveResult [Line: 38]: assertion always holds For all program executions holds that assertion always holds at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...