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/recursive/regression/bpl/McCarthy91.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:54,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:54,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:54,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:17:54,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:17:54,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:17:54,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:17:54,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:17:54,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:17:54,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:17:54,182 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:17:54,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:17:54,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:17:54,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:17:54,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:17:54,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:17:54,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:17:54,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:17:54,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:17:54,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:17:54,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:17:54,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:17:54,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:17:54,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:17:54,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:17:54,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:17:54,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:17:54,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:17:54,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:17:54,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:17:54,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:17:54,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:17:54,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:17:54,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:17:54,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:17:54,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:17:54,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:17:54,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:17:54,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:17:54,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:17:54,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:17:54,221 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 12:17:54,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:54,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:54,236 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:54,237 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:54,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:54,237 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:54,237 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:54,238 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:54,238 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:54,238 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:54,238 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:54,238 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:54,239 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:54,239 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:54,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:54,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:54,240 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:54,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:54,241 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:54,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:54,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:54,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:54,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:54,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:54,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:54,242 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:54,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:54,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:54,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:54,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:54,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:54,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:54,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:54,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:54,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:54,245 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:54,245 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:54,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:54,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:54,246 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:54,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:54,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:54,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:54,295 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:54,296 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:54,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/McCarthy91.bpl [2019-08-05 12:17:54,297 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/McCarthy91.bpl' [2019-08-05 12:17:54,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:54,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:54,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:54,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:54,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:54,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,370 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:17:54,370 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:17:54,370 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:17:54,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:54,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:54,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:54,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:54,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:54,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:54,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:54,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:54,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:54" (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 12:17:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure McCarthy [2019-08-05 12:17:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure McCarthy [2019-08-05 12:17:54,712 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:17:54,713 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:17:54,714 INFO L202 PluginConnector]: Adding new model McCarthy91.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:54 BoogieIcfgContainer [2019-08-05 12:17:54,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:54,719 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:54,719 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:54,719 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:54,720 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "McCarthy91.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:54" (1/1) ... [2019-08-05 12:17:54,752 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:55,103 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:55,125 INFO L272 AbstractInterpreter]: Visited 9 different actions 292 times. Merged at 4 different actions 52 times. Never widened. Performed 567 root evaluator evaluations with a maximum evaluation depth of 4. Performed 567 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 31 fixpoints after 4 different actions. Largest state had 2 variables. [2019-08-05 12:17:55,125 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:55,129 INFO L168 Benchmark]: Toolchain (without parser) took 795.32 ms. Allocated memory is still 133.7 MB. Free memory was 106.3 MB in the beginning and 79.0 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:55,130 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:17:55,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.99 ms. Allocated memory is still 133.7 MB. Free memory was 106.3 MB in the beginning and 104.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:55,133 INFO L168 Benchmark]: Boogie Preprocessor took 21.46 ms. Allocated memory is still 133.7 MB. Free memory was 104.1 MB in the beginning and 103.3 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:17:55,136 INFO L168 Benchmark]: RCFGBuilder took 319.45 ms. Allocated memory is still 133.7 MB. Free memory was 103.3 MB in the beginning and 94.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:55,138 INFO L168 Benchmark]: Abstract Interpretation took 406.61 ms. Allocated memory is still 133.7 MB. Free memory was 94.2 MB in the beginning and 79.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:55,144 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 133.7 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.99 ms. Allocated memory is still 133.7 MB. Free memory was 106.3 MB in the beginning and 104.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.46 ms. Allocated memory is still 133.7 MB. Free memory was 104.1 MB in the beginning and 103.3 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 7.1 GB. * RCFGBuilder took 319.45 ms. Allocated memory is still 133.7 MB. Free memory was 103.3 MB in the beginning and 94.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 406.61 ms. Allocated memory is still 133.7 MB. Free memory was 94.2 MB in the beginning and 79.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 23]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L16] COND TRUE x > 100 [L17] res := x - 10; [L23] assert res == 91 || x > 101; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...