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_array_oct.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 21:02:03,162 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 21:02:03,165 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 21:02:03,186 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 21:02:03,187 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 21:02:03,189 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 21:02:03,191 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 21:02:03,194 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 21:02:03,204 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 21:02:03,205 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 21:02:03,206 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 21:02:03,246 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2018-12-03 21:02:03,261 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 21:02:03,261 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 21:02:03,262 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 21:02:03,262 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 21:02:03,263 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 21:02:03,263 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 21:02:03,263 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 21:02:03,264 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 21:02:03,264 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 21:02:03,264 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2018-12-03 21:02:03,264 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 21:02:03,264 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 21:02:03,265 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 21:02:03,265 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 21:02:03,266 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 21:02:03,266 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 21:02:03,266 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 21:02:03,266 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 21:02:03,267 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 21:02:03,267 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 21:02:03,267 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 21:02:03,267 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 21:02:03,267 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 21:02:03,268 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 21:02:03,268 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 21:02:03,268 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 21:02:03,268 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 21:02:03,268 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 21:02:03,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 21:02:03,269 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 21:02:03,269 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 21:02:03,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 21:02:03,269 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 21:02:03,270 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 21:02:03,270 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 21:02:03,270 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 21:02:03,270 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 21:02:03,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 21:02:03,271 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 21:02:03,271 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 21:02:03,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 21:02:03,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 21:02:03,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 21:02:03,330 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 21:02:03,331 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 21:02:03,331 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl [2018-12-03 21:02:03,332 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl' [2018-12-03 21:02:03,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 21:02:03,373 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 21:02:03,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 21:02:03,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 21:02:03,377 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 21:02:03,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:02:03" (1/1) ... [2018-12-03 21:02:03,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:02:03" (1/1) ... [2018-12-03 21:02:03,417 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 21:02:03,417 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 21:02:03,417 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 21:02:03,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 21:02:03,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 21:02:03,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 21:02:03,422 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 21:02:03,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:02:03" (1/1) ... [2018-12-03 21:02:03,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:02:03" (1/1) ... [2018-12-03 21:02:03,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:02:03" (1/1) ... [2018-12-03 21:02:03,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:02:03" (1/1) ... [2018-12-03 21:02:03,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:02:03" (1/1) ... [2018-12-03 21:02:03,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:02:03" (1/1) ... [2018-12-03 21:02:03,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:02:03" (1/1) ... [2018-12-03 21:02:03,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 21:02:03,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 21:02:03,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 21:02:03,447 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 21:02:03,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:02:03" (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 [2018-12-03 21:02:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-12-03 21:02:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-12-03 21:02:03,691 INFO L272 CfgBuilder]: Using library mode [2018-12-03 21:02:03,692 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 21:02:03,693 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 09:02:03 BoogieIcfgContainer [2018-12-03 21:02:03,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 21:02:03,694 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 21:02:03,694 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 21:02:03,695 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 21:02:03,695 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 09:02:03" (1/1) ... [2018-12-03 21:02:03,754 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 21:02:03,821 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-12-03 21:02:03,843 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 21:02:03,864 INFO L272 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-03 21:02:03,866 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 21:02:03,867 INFO L168 Benchmark]: Toolchain (without parser) took 495.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 21:02:03,870 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 21:02:03,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 21:02:03,871 INFO L168 Benchmark]: Boogie Preprocessor took 24.82 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 21:02:03,872 INFO L168 Benchmark]: RCFGBuilder took 246.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 21:02:03,874 INFO L168 Benchmark]: Abstract Interpretation took 171.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 21:02:03,878 INFO L336 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 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.82 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 246.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 171.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 19]: 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] assume a % 2 == 0; [L19] assert a != 7; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...