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_out.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:36,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:36,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:36,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:14:36,736 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 12:14:36,749 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:36,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:36,750 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:36,750 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:36,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:36,751 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:36,751 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:36,751 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:36,751 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:36,752 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:36,752 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:36,752 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:36,752 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:36,752 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:36,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:36,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:36,754 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:36,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:36,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:36,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:36,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:36,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:36,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:36,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:36,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:36,756 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:36,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:36,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:36,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:36,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:36,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:36,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:36,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:36,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:36,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:36,758 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:36,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:36,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:36,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:36,758 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:36,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:36,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:36,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:36,806 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:36,807 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:36,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out.bpl [2019-08-05 12:14:36,808 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out.bpl' [2019-08-05 12:14:36,888 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:36,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:36,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:36,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:36,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:36,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:36" (1/1) ... [2019-08-05 12:14:36,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:36" (1/1) ... [2019-08-05 12:14:36,929 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:14:36,929 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:14:36,929 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:14:36,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:36,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:36,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:36,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:36,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:36" (1/1) ... [2019-08-05 12:14:36,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:36" (1/1) ... [2019-08-05 12:14:36,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:36" (1/1) ... [2019-08-05 12:14:36,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:36" (1/1) ... [2019-08-05 12:14:36,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:36" (1/1) ... [2019-08-05 12:14:36,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:36" (1/1) ... [2019-08-05 12:14:36,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:36" (1/1) ... [2019-08-05 12:14:36,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:36,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:36,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:36,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:36,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:36" (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 12:14:37,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2019-08-05 12:14:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure product [2019-08-05 12:14:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2019-08-05 12:14:37,788 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint productFINAL: assume true; [2019-08-05 12:14:37,790 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:14:37,790 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:14:37,792 INFO L202 PluginConnector]: Adding new model threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:37 BoogieIcfgContainer [2019-08-05 12:14:37,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:37,793 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:37,793 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:37,793 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:37,794 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:37" (1/1) ... [2019-08-05 12:14:37,828 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:38,387 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:38,438 INFO L272 AbstractInterpreter]: Visited 127 different actions 361 times. Merged at 75 different actions 105 times. Widened at 2 different actions 2 times. Performed 1218 root evaluator evaluations with a maximum evaluation depth of 6. Performed 1218 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 193 fixpoints after 89 different actions. Largest state had 0 variables. [2019-08-05 12:14:38,438 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:38,443 INFO L168 Benchmark]: Toolchain (without parser) took 1550.79 ms. Allocated memory was 135.3 MB in the beginning and 169.9 MB in the end (delta: 34.6 MB). Free memory was 107.4 MB in the beginning and 142.5 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:14:38,446 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.89 ms. Allocated memory is still 135.3 MB. Free memory was 107.4 MB in the beginning and 105.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,451 INFO L168 Benchmark]: Boogie Preprocessor took 33.57 ms. Allocated memory is still 135.3 MB. Free memory was 105.4 MB in the beginning and 103.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,453 INFO L168 Benchmark]: RCFGBuilder took 825.96 ms. Allocated memory is still 135.3 MB. Free memory was 103.8 MB in the beginning and 79.3 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:38,455 INFO L168 Benchmark]: Abstract Interpretation took 645.28 ms. Allocated memory was 135.3 MB in the beginning and 169.9 MB in the end (delta: 34.6 MB). Free memory was 79.1 MB in the beginning and 142.5 MB in the end (delta: -63.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:14:38,463 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 135.3 MB. Free memory was 109.3 MB in the beginning and 109.1 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 41.89 ms. Allocated memory is still 135.3 MB. Free memory was 107.4 MB in the beginning and 105.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.57 ms. Allocated memory is still 135.3 MB. Free memory was 105.4 MB in the beginning and 103.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 825.96 ms. Allocated memory is still 135.3 MB. Free memory was 103.8 MB in the beginning and 79.3 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 645.28 ms. Allocated memory was 135.3 MB in the beginning and 169.9 MB in the end (delta: 34.6 MB). Free memory was 79.1 MB in the beginning and 142.5 MB in the end (delta: -63.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 264]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L90] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L313] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L139] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L264] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 54]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L25] _local__threadpooling_begin_1 := _global_next; [L26] _global_next := _global_next + _global_workload; [L27] _local__threadpooling_end_1 := _global_next; [L33] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L39] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L48] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L54] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 154]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L90] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L301] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L145] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L154] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 364]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L403] _local__threadpooling_begin_1 := _global_next; [L404] _global_next := _global_next + _global_workload; [L405] _local__threadpooling_end_1 := _global_next; [L394] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L382] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L373] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L364] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 294]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L90] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L301] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L145] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L157] _local__threadpooling_begin_1 := _global_next; [L158] _global_next := _global_next + _global_workload; [L159] _local__threadpooling_end_1 := _global_next; [L294] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 332]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L99] _local__threadpooling_begin_1 := _global_next; [L100] _global_next := _global_next + _global_workload; [L101] _local__threadpooling_end_1 := _global_next; [L108] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L83] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L325] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L332] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 284]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L90] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L301] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L145] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L157] _local__threadpooling_begin_1 := _global_next; [L158] _global_next := _global_next + _global_workload; [L159] _local__threadpooling_end_1 := _global_next; [L297] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L284] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 222]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L90] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L307] _local__threadpooling_begin_1 := _global_next; [L308] _global_next := _global_next + _global_workload; [L309] _local__threadpooling_end_1 := _global_next; [L118] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L342] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L260] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L222] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 277]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L90] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L301] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L145] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L157] _local__threadpooling_begin_1 := _global_next; [L158] _global_next := _global_next + _global_workload; [L159] _local__threadpooling_end_1 := _global_next; [L297] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L287] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L277] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 229]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L90] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L301] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L148] _local__threadpooling_begin_1 := _global_next; [L149] _global_next := _global_next + _global_workload; [L150] _local__threadpooling_end_1 := _global_next; [L125] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L132] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L273] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L229] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 247]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L90] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L301] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L145] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L157] _local__threadpooling_begin_1 := _global_next; [L158] _global_next := _global_next + _global_workload; [L159] _local__threadpooling_end_1 := _global_next; [L297] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L287] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L280] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L247] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 250]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L90] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L301] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L145] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L157] _local__threadpooling_begin_1 := _global_next; [L158] _global_next := _global_next + _global_workload; [L159] _local__threadpooling_end_1 := _global_next; [L297] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L287] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L280] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L250] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 205]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L90] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L301] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L145] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L154] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); [L166] _local__threadpooling_begin_1 := _global_next; [L167] _global_next := _global_next + _global_workload; [L168] _local__threadpooling_end_1 := _global_next; [L175] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L182] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L198] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L205] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); - UnprovableResult [Line: 240]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] assume 0 < _global_workload && 0 < _global_next; [L14] assume -1 == _local__threadpooling_working_0; [L15] assume -1 == _local__threadpooling_working_1; [L409] _local__threadpooling_begin_0 := _global_next; [L410] _global_next := _global_next + _global_workload; [L411] _local__threadpooling_end_0 := _global_next; [L90] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L301] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L145] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L157] _local__threadpooling_begin_1 := _global_next; [L158] _global_next := _global_next + _global_workload; [L159] _local__threadpooling_end_1 := _global_next; [L297] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L287] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L280] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L250] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); [L240] assert (true || !(_local__threadpooling_working_0 == _local__threadpooling_working_0)) && (false || !(_local__threadpooling_working_0 == _local__threadpooling_working_1)) && (false || !(_local__threadpooling_working_1 == _local__threadpooling_working_0)); RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...