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/UnsatCoreUseful01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:55,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:55,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:55,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:15:55,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:15:55,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:15:55,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:15:55,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:15:55,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:15:55,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:15:55,998 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:15:55,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:15:55,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:15:56,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:15:56,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:15:56,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:15:56,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:15:56,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:15:56,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:15:56,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:15:56,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:15:56,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:15:56,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:15:56,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:15:56,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:15:56,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:15:56,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:15:56,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:15:56,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:15:56,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:15:56,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:56,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:56,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:56,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:56,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:56,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:56,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:56,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:15:56,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:15:56,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:15:56,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:15:56,030 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 12:15:56,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:56,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:56,045 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:56,045 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:56,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:56,045 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:56,046 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:56,046 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:56,046 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:56,046 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:56,046 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:56,047 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:56,047 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:56,047 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:56,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:56,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:56,048 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:56,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:56,048 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:56,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:56,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:56,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:56,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:56,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:56,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:56,050 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:56,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:56,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:56,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:56,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:56,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:56,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:56,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:56,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:56,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:56,052 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:56,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:56,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:56,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:56,053 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:56,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:56,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:56,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:56,106 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:56,108 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:56,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/UnsatCoreUseful01.bpl [2019-08-05 12:15:56,110 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/UnsatCoreUseful01.bpl' [2019-08-05 12:15:56,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:56,147 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:56,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:56,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:56,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:56,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:56" (1/1) ... [2019-08-05 12:15:56,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:56" (1/1) ... [2019-08-05 12:15:56,180 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:15:56,180 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:15:56,181 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:15:56,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:56,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:56,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:56,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:56,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:56" (1/1) ... [2019-08-05 12:15:56,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:56" (1/1) ... [2019-08-05 12:15:56,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:56" (1/1) ... [2019-08-05 12:15:56,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:56" (1/1) ... [2019-08-05 12:15:56,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:56" (1/1) ... [2019-08-05 12:15:56,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:56" (1/1) ... [2019-08-05 12:15:56,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:56" (1/1) ... [2019-08-05 12:15:56,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:56,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:56,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:56,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:56,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:56" (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 12:15:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 12:15:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 12:15:56,344 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 12:15:56,550 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:15:56,550 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:15:56,552 INFO L202 PluginConnector]: Adding new model UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:56 BoogieIcfgContainer [2019-08-05 12:15:56,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:56,553 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:56,553 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:56,554 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:56,554 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:56" (1/1) ... [2019-08-05 12:15:56,581 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:56,698 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:56,725 INFO L272 AbstractInterpreter]: Visited 9 different actions 30 times. Merged at 6 different actions 16 times. Widened at 1 different actions 1 times. Performed 80 root evaluator evaluations with a maximum evaluation depth of 3. Performed 80 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-05 12:15:56,726 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:56,730 INFO L168 Benchmark]: Toolchain (without parser) took 582.34 ms. Allocated memory is still 133.2 MB. Free memory was 105.9 MB in the beginning and 86.9 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:56,732 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:56,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.29 ms. Allocated memory is still 133.2 MB. Free memory was 105.9 MB in the beginning and 104.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:56,737 INFO L168 Benchmark]: Boogie Preprocessor took 21.28 ms. Allocated memory is still 133.2 MB. Free memory was 104.0 MB in the beginning and 102.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:56,738 INFO L168 Benchmark]: RCFGBuilder took 346.87 ms. Allocated memory is still 133.2 MB. Free memory was 102.9 MB in the beginning and 94.1 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:56,740 INFO L168 Benchmark]: Abstract Interpretation took 173.08 ms. Allocated memory is still 133.2 MB. Free memory was 93.9 MB in the beginning and 86.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:56,747 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 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.29 ms. Allocated memory is still 133.2 MB. Free memory was 105.9 MB in the beginning and 104.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.28 ms. Allocated memory is still 133.2 MB. Free memory was 104.0 MB in the beginning and 102.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 346.87 ms. Allocated memory is still 133.2 MB. Free memory was 102.9 MB in the beginning and 94.1 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 173.08 ms. Allocated memory is still 133.2 MB. Free memory was 93.9 MB in the beginning and 86.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 32]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L21-L22] requires z >= 0; [L26] x := 0; [L27] y := x; [L28] COND TRUE x < z [L29] x := x + 1; [L28] COND TRUE x < z [L29] x := x + 1; [L28] COND FALSE !(x < z) [L31] assert y == 0; [L32] assert x >= 0; - PositiveResult [Line: 31]: 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...