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/abstractInterpretation/regression/non_taipan/loop-nested-assume-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:13,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:13,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:13,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:19:13,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:19:13,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:19:13,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:19:13,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:19:13,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:19:13,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:19:13,799 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:19:13,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:19:13,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:19:13,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:19:13,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:19:13,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:19:13,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:19:13,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:19:13,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:19:13,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:19:13,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:19:13,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:19:13,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:19:13,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:19:13,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:19:13,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:19:13,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:19:13,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:19:13,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:19:13,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:19:13,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:19:13,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:19:13,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:19:13,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:19:13,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:19:13,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:19:13,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:19:13,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:19:13,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:19:13,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:19:13,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:19:13,849 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 12:19:13,876 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:13,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:13,879 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:13,879 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:13,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:13,880 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:13,880 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:13,880 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:13,880 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:13,881 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:13,881 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:13,883 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:13,884 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:13,884 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:13,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:13,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:13,885 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:13,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:13,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:13,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:13,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:13,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:13,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:13,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:13,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:13,888 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:13,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:13,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:13,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:13,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:13,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:13,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:13,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:13,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:13,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:13,890 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:13,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:13,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:13,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:13,892 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:13,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:13,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:13,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:13,961 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:13,962 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:13,963 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_taipan/loop-nested-assume-unsafe.bpl [2019-08-05 12:19:13,963 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_taipan/loop-nested-assume-unsafe.bpl' [2019-08-05 12:19:14,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:14,003 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:14,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:14,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:14,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:14,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:14,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:14,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:14,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:14,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:14,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:14,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:14,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:14,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:14,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:14,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:14,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:14,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:14,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:14,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:14,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:14,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:14,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (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 12:19:14,160 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:19:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:19:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:19:14,331 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:19:14,331 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-05 12:19:14,333 INFO L202 PluginConnector]: Adding new model loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:14 BoogieIcfgContainer [2019-08-05 12:19:14,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:14,334 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:14,334 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:14,334 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:14,335 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:14" (1/1) ... [2019-08-05 12:19:14,366 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:14,516 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:14,539 INFO L272 AbstractInterpreter]: Visited 9 different actions 27 times. Merged at 4 different actions 12 times. Never widened. Performed 84 root evaluator evaluations with a maximum evaluation depth of 3. Performed 84 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 12:19:14,539 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:14,542 INFO L168 Benchmark]: Toolchain (without parser) took 538.09 ms. Allocated memory is still 132.6 MB. Free memory was 106.5 MB in the beginning and 87.4 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:14,544 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:19:14,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.80 ms. Allocated memory is still 132.6 MB. Free memory was 106.5 MB in the beginning and 104.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:14,546 INFO L168 Benchmark]: Boogie Preprocessor took 26.25 ms. Allocated memory is still 132.6 MB. Free memory was 104.4 MB in the beginning and 103.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:14,548 INFO L168 Benchmark]: RCFGBuilder took 245.91 ms. Allocated memory is still 132.6 MB. Free memory was 103.3 MB in the beginning and 94.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:14,549 INFO L168 Benchmark]: Abstract Interpretation took 205.75 ms. Allocated memory is still 132.6 MB. Free memory was 94.1 MB in the beginning and 87.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:14,554 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 was 107.8 MB in the beginning and 107.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.80 ms. Allocated memory is still 132.6 MB. Free memory was 106.5 MB in the beginning and 104.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.25 ms. Allocated memory is still 132.6 MB. Free memory was 104.4 MB in the beginning and 103.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 245.91 ms. Allocated memory is still 132.6 MB. Free memory was 103.3 MB in the beginning and 94.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 205.75 ms. Allocated memory is still 132.6 MB. Free memory was 94.1 MB in the beginning and 87.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 20]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L6] i := 0; [L9] COND FALSE !(i == 1000000) [L20] assert j; - UnprovableResult [Line: 15]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L6] i := 0; [L9] COND FALSE !(i == 1000000) [L20] assert j; [L13] i := i + 1; [L9] COND FALSE !(i == 1000000) [L20] assert j; [L13] i := i + 1; [L9] COND TRUE i == 1000000 [L15] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...