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_out2.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:22,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:22,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:22,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:14:22,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:14:22,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:14:22,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:14:22,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:14:22,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:14:22,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:14:22,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:14:22,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:14:22,809 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 12:14:22,824 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:22,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:22,825 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:22,825 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:22,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:22,826 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:22,826 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:22,826 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:22,826 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:22,827 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:22,827 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:22,827 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:22,827 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:22,828 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:22,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:22,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:22,831 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:22,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:22,832 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:22,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:22,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:22,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:22,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:22,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:22,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:22,834 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:22,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:22,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:22,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:22,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:22,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:22,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:22,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:22,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:22,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:22,837 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:22,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:22,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:22,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:22,838 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:22,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:22,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:22,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:22,911 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:22,912 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:22,913 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl [2019-08-05 12:14:22,913 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl' [2019-08-05 12:14:22,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:22,972 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:22,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:22,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:22,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:22,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:22" (1/1) ... [2019-08-05 12:14:23,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:22" (1/1) ... [2019-08-05 12:14:23,007 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:14:23,007 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:14:23,008 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:14:23,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:23,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:23,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:23,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:23,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:22" (1/1) ... [2019-08-05 12:14:23,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:22" (1/1) ... [2019-08-05 12:14:23,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:22" (1/1) ... [2019-08-05 12:14:23,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:22" (1/1) ... [2019-08-05 12:14:23,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:22" (1/1) ... [2019-08-05 12:14:23,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:22" (1/1) ... [2019-08-05 12:14:23,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:22" (1/1) ... [2019-08-05 12:14:23,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:23,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:23,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:23,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:23,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:22" (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 12:14:23,104 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2019-08-05 12:14:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure product [2019-08-05 12:14:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2019-08-05 12:14:23,509 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint productFINAL: assume true; [2019-08-05 12:14:23,510 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:14:23,510 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:14:23,511 INFO L202 PluginConnector]: Adding new model threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:23 BoogieIcfgContainer [2019-08-05 12:14:23,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:23,512 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:23,512 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:23,512 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:23,513 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:23" (1/1) ... [2019-08-05 12:14:23,554 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:23,781 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:23,801 INFO L272 AbstractInterpreter]: Visited 37 different actions 101 times. Merged at 22 different actions 34 times. Widened at 2 different actions 2 times. Performed 518 root evaluator evaluations with a maximum evaluation depth of 4. Performed 518 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 46 fixpoints after 21 different actions. Largest state had 0 variables. [2019-08-05 12:14:23,802 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:23,804 INFO L168 Benchmark]: Toolchain (without parser) took 831.82 ms. Allocated memory is still 133.2 MB. Free memory was 107.0 MB in the beginning and 79.8 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:23,806 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:23,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.37 ms. Allocated memory is still 133.2 MB. Free memory was 107.0 MB in the beginning and 105.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:23,809 INFO L168 Benchmark]: Boogie Preprocessor took 27.61 ms. Allocated memory is still 133.2 MB. Free memory was 105.0 MB in the beginning and 103.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:23,810 INFO L168 Benchmark]: RCFGBuilder took 472.90 ms. Allocated memory is still 133.2 MB. Free memory was 103.9 MB in the beginning and 90.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:23,811 INFO L168 Benchmark]: Abstract Interpretation took 289.64 ms. Allocated memory is still 133.2 MB. Free memory was 89.9 MB in the beginning and 79.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:23,816 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 0.27 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 108.2 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 37.37 ms. Allocated memory is still 133.2 MB. Free memory was 107.0 MB in the beginning and 105.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.61 ms. Allocated memory is still 133.2 MB. Free memory was 105.0 MB in the beginning and 103.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 472.90 ms. Allocated memory is still 133.2 MB. Free memory was 103.9 MB in the beginning and 90.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 289.64 ms. Allocated memory is still 133.2 MB. Free memory was 89.9 MB in the beginning and 79.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 60]: 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_next; [L14] assume _local__threadpooling_working_0 == -1; [L15] assume _local__threadpooling_working_1 == -1; [L28] _local__threadpooling_begin_1 := _global_next; [L29] _global_next := _global_next + 1; [L30] _local__threadpooling_end_1 := _global_next; [L31] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L42] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L49] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L60] assert !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 186]: 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_next; [L14] assume _local__threadpooling_working_0 == -1; [L15] assume _local__threadpooling_working_1 == -1; [L230] _local__threadpooling_begin_0 := _global_next; [L231] _global_next := _global_next + 1; [L232] _local__threadpooling_end_0 := _global_next; [L233] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L118] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L125] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L186] assert !(_local__threadpooling_working_1 == _local__threadpooling_working_0); - UnprovableResult [Line: 181]: 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_next; [L14] assume _local__threadpooling_working_0 == -1; [L15] assume _local__threadpooling_working_1 == -1; [L28] _local__threadpooling_begin_1 := _global_next; [L29] _global_next := _global_next + 1; [L30] _local__threadpooling_end_1 := _global_next; [L31] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L220] _local__threadpooling_begin_0 := _global_next; [L221] _global_next := _global_next + 1; [L222] _local__threadpooling_end_0 := _global_next; [L223] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L195] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L202] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L181] assert !(_local__threadpooling_working_1 == _local__threadpooling_working_0); - UnprovableResult [Line: 82]: 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_next; [L14] assume _local__threadpooling_working_0 == -1; [L15] assume _local__threadpooling_working_1 == -1; [L28] _local__threadpooling_begin_1 := _global_next; [L29] _global_next := _global_next + 1; [L30] _local__threadpooling_end_1 := _global_next; [L31] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L220] _local__threadpooling_begin_0 := _global_next; [L221] _global_next := _global_next + 1; [L222] _local__threadpooling_end_0 := _global_next; [L223] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L94] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L191] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L82] assert !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 171]: 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_next; [L14] assume _local__threadpooling_working_0 == -1; [L15] assume _local__threadpooling_working_1 == -1; [L28] _local__threadpooling_begin_1 := _global_next; [L29] _global_next := _global_next + 1; [L30] _local__threadpooling_end_1 := _global_next; [L31] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L220] _local__threadpooling_begin_0 := _global_next; [L221] _global_next := _global_next + 1; [L222] _local__threadpooling_end_0 := _global_next; [L223] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L195] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L202] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L153] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L160] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L171] assert !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 176]: 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_next; [L14] assume _local__threadpooling_working_0 == -1; [L15] assume _local__threadpooling_working_1 == -1; [L28] _local__threadpooling_begin_1 := _global_next; [L29] _global_next := _global_next + 1; [L30] _local__threadpooling_end_1 := _global_next; [L31] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L220] _local__threadpooling_begin_0 := _global_next; [L221] _global_next := _global_next + 1; [L222] _local__threadpooling_end_0 := _global_next; [L223] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L195] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L202] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L153] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L160] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L176] assert !(_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...