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/real-life/threadpooling_product.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:37,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:37,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:37,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:14:37,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:14:37,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:14:37,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:14:37,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:14:37,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:14:37,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:14:37,196 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:14:37,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:14:37,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:14:37,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:14:37,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:14:37,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:14:37,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:14:37,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:14:37,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:14:37,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:14:37,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:14:37,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:14:37,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:14:37,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:14:37,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:14:37,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:14:37,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:14:37,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:14:37,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:14:37,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:14:37,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:14:37,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:14:37,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:14:37,225 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 12:14:37,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:37,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:37,239 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:37,239 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:37,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:37,242 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:37,242 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:37,242 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:37,242 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:37,243 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:37,243 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:37,243 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:37,243 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:37,243 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:37,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:37,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:37,246 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:37,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:37,247 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:37,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:37,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:37,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:37,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:37,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:37,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:37,249 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:37,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:37,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:37,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:37,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:37,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:37,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:37,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:37,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:37,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:37,252 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:37,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:37,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:37,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:37,253 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:37,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:37,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:37,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:37,327 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:37,328 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:37,328 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2019-08-05 12:14:37,329 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2019-08-05 12:14:37,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:37,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:37,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:37,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:37,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:37,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,407 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:14:37,408 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:14:37,408 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:14:37,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:37,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:37,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:37,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:37,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:37,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:37,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:37,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:37,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:37" (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 12:14:37,508 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2019-08-05 12:14:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure product [2019-08-05 12:14:37,508 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2019-08-05 12:14:37,934 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint productFINAL: assume true; [2019-08-05 12:14:37,936 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:14:37,936 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:14:37,938 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:37 BoogieIcfgContainer [2019-08-05 12:14:37,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:37,939 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:37,939 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:37,939 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:37,940 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,970 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:38,165 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:38,188 INFO L272 AbstractInterpreter]: Visited 33 different actions 97 times. Merged at 24 different actions 36 times. Widened at 3 different actions 3 times. Performed 420 root evaluator evaluations with a maximum evaluation depth of 4. Performed 420 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 41 fixpoints after 16 different actions. Largest state had 0 variables. [2019-08-05 12:14:38,188 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:38,191 INFO L168 Benchmark]: Toolchain (without parser) took 815.55 ms. Allocated memory is still 140.5 MB. Free memory was 105.2 MB in the beginning and 79.2 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,193 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,194 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.31 ms. Allocated memory is still 140.5 MB. Free memory was 105.0 MB in the beginning and 103.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,195 INFO L168 Benchmark]: Boogie Preprocessor took 26.72 ms. Allocated memory is still 140.5 MB. Free memory was 103.2 MB in the beginning and 102.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,197 INFO L168 Benchmark]: RCFGBuilder took 499.53 ms. Allocated memory is still 140.5 MB. Free memory was 102.0 MB in the beginning and 89.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,198 INFO L168 Benchmark]: Abstract Interpretation took 249.71 ms. Allocated memory is still 140.5 MB. Free memory was 89.2 MB in the beginning and 79.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,203 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 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 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 35.31 ms. Allocated memory is still 140.5 MB. Free memory was 105.0 MB in the beginning and 103.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.72 ms. Allocated memory is still 140.5 MB. Free memory was 103.2 MB in the beginning and 102.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 499.53 ms. Allocated memory is still 140.5 MB. Free memory was 102.0 MB in the beginning and 89.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 249.71 ms. Allocated memory is still 140.5 MB. Free memory was 89.2 MB in the beginning and 79.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 45]: 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] havoc next; [L16] assume next >= 0; [L17] havoc workload; [L18] assume workload > 0; [L19] working0 := -1; [L20] working1 := -1; [L24] begin0 := next; [L25] next := next + workload; [L26] end0 := next; [L27] COND TRUE begin0 < end0 [L44] working0 := begin0; [L45] assert working0 != working1; - UnprovableResult [Line: 74]: 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] havoc next; [L16] assume next >= 0; [L17] havoc workload; [L18] assume workload > 0; [L19] working0 := -1; [L20] working1 := -1; [L33] begin1 := next; [L34] next := next + workload; [L35] end1 := next; [L36] COND TRUE begin1 < end1 [L73] working1 := begin1; [L74] assert working0 != working1; - UnprovableResult [Line: 94]: 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] havoc next; [L16] assume next >= 0; [L17] havoc workload; [L18] assume workload > 0; [L19] working0 := -1; [L20] working1 := -1; [L24] begin0 := next; [L25] next := next + workload; [L26] end0 := next; [L27] COND TRUE begin0 < end0 [L53] begin1 := next; [L54] next := next + workload; [L55] end1 := next; [L56] COND TRUE begin1 < end1 [L93] working1 := begin1; [L94] assert working0 != working1; - UnprovableResult [Line: 85]: 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] havoc next; [L16] assume next >= 0; [L17] havoc workload; [L18] assume workload > 0; [L19] working0 := -1; [L20] working1 := -1; [L24] begin0 := next; [L25] next := next + workload; [L26] end0 := next; [L27] COND TRUE begin0 < end0 [L53] begin1 := next; [L54] next := next + workload; [L55] end1 := next; [L56] COND TRUE begin1 < end1 [L84] working0 := begin0; [L85] assert working0 != working1; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...