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-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:13,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:13,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:13,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:19:13,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:19:13,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:19:13,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:19:13,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:19:13,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:19:13,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:19:13,093 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:19:13,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:19:13,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:19:13,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:19:13,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:19:13,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:19:13,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:19:13,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:19:13,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:19:13,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:19:13,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:19:13,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:19:13,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:19:13,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:19:13,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:19:13,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:19:13,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:19:13,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:19:13,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:19:13,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:19:13,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:19:13,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:19:13,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:19:13,135 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 12:19:13,155 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:13,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:13,157 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:13,157 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:13,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:13,158 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:13,158 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:13,159 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:13,159 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:13,159 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:13,159 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:13,160 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:13,160 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:13,162 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:13,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:13,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:13,164 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:13,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:13,165 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:13,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:13,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:13,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:13,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:13,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:13,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:13,166 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:13,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:13,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:13,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:13,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:13,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:13,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:13,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:13,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:13,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:13,169 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:13,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:13,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:13,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:13,170 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:13,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:13,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:13,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:13,249 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:13,249 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:13,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_taipan/loop-nested-unsafe.bpl [2019-08-05 12:19:13,251 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_taipan/loop-nested-unsafe.bpl' [2019-08-05 12:19:13,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:13,288 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:13,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:13,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:13,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:13,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "loop-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "loop-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,326 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:19:13,326 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:19:13,327 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:19:13,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:13,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:13,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:13,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:13,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:13,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:13,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:13,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:13,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-nested-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 12:19:13,431 INFO L124 BoogieDeclarations]: Specification and implementation of procedure EasyLoop given in one single declaration [2019-08-05 12:19:13,432 INFO L130 BoogieDeclarations]: Found specification of procedure EasyLoop [2019-08-05 12:19:13,432 INFO L138 BoogieDeclarations]: Found implementation of procedure EasyLoop [2019-08-05 12:19:13,588 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:19:13,589 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:19:13,590 INFO L202 PluginConnector]: Adding new model loop-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:13 BoogieIcfgContainer [2019-08-05 12:19:13,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:13,591 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:13,591 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:13,592 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:13,593 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "loop-nested-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:13" (1/1) ... [2019-08-05 12:19:13,624 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:13,747 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:13,769 INFO L272 AbstractInterpreter]: Visited 8 different actions 27 times. Merged at 7 different actions 12 times. Widened at 1 different actions 1 times. Performed 117 root evaluator evaluations with a maximum evaluation depth of 3. Performed 117 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 0 variables. [2019-08-05 12:19:13,770 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:13,773 INFO L168 Benchmark]: Toolchain (without parser) took 483.32 ms. Allocated memory is still 140.5 MB. Free memory was 105.5 MB in the beginning and 86.2 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:13,774 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:19:13,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.44 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 103.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:13,777 INFO L168 Benchmark]: Boogie Preprocessor took 29.40 ms. Allocated memory is still 140.5 MB. Free memory was 103.5 MB in the beginning and 102.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:13,778 INFO L168 Benchmark]: RCFGBuilder took 229.92 ms. Allocated memory is still 140.5 MB. Free memory was 102.2 MB in the beginning and 93.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:13,779 INFO L168 Benchmark]: Abstract Interpretation took 178.45 ms. Allocated memory is still 140.5 MB. Free memory was 93.3 MB in the beginning and 86.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:13,784 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 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 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 41.44 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 103.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.40 ms. Allocated memory is still 140.5 MB. Free memory was 103.5 MB in the beginning and 102.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 229.92 ms. Allocated memory is still 140.5 MB. Free memory was 102.2 MB in the beginning and 93.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 178.45 ms. Allocated memory is still 140.5 MB. Free memory was 93.3 MB in the beginning and 86.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 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] x := 0; [L7] y := 0; [L9] COND TRUE x < 35 [L11] x := x + 1; [L12] y := y + 2; [L14] COND TRUE x < y [L16] x := x + 1; [L14] COND FALSE !(x < y) [L9] COND TRUE x < 35 [L11] x := x + 1; [L12] y := y + 2; [L14] COND FALSE !(x < y) [L9] COND FALSE !(x < 35) [L20] assert x < y; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...