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 [2019-08-04 21:59:45,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:59:45,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:59:45,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-04 21:59:45,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:59:45,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:59:45,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:59:45,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:59:45,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:59:45,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:59:45,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:59:45,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-04 21:59:45,078 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 [2019-08-04 21:59:45,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 21:59:45,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 21:59:45,092 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 21:59:45,092 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 21:59:45,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 21:59:45,093 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 21:59:45,093 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 21:59:45,093 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 21:59:45,093 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 21:59:45,094 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 21:59:45,094 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 21:59:45,094 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 21:59:45,094 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 21:59:45,094 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 21:59:45,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 21:59:45,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 21:59:45,096 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 21:59:45,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 21:59:45,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 21:59:45,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 21:59:45,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 21:59:45,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 21:59:45,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 21:59:45,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 21:59:45,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 21:59:45,098 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 21:59:45,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 21:59:45,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 21:59:45,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 21:59:45,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 21:59:45,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 21:59:45,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 21:59:45,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 21:59:45,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 21:59:45,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 21:59:45,100 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 21:59:45,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 21:59:45,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 21:59:45,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 21:59:45,100 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 21:59:45,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:59:45,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:59:45,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:59:45,156 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:59:45,156 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:59:45,157 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl [2019-08-04 21:59:45,157 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out2.mover.bpl' [2019-08-04 21:59:45,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:59:45,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 21:59:45,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 21:59:45,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 21:59:45,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 21:59:45,219 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 04.08 09:59:45" (1/1) ... [2019-08-04 21:59:45,229 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 04.08 09:59:45" (1/1) ... [2019-08-04 21:59:45,235 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-04 21:59:45,235 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-04 21:59:45,235 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-04 21:59:45,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 21:59:45,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:59:45,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:59:45,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:59:45,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:45" (1/1) ... [2019-08-04 21:59:45,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:45" (1/1) ... [2019-08-04 21:59:45,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:45" (1/1) ... [2019-08-04 21:59:45,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:45" (1/1) ... [2019-08-04 21:59:45,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:45" (1/1) ... [2019-08-04 21:59:45,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:45" (1/1) ... [2019-08-04 21:59:45,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:45" (1/1) ... [2019-08-04 21:59:45,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:59:45,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:59:45,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:59:45,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:59:45,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:45" (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 [2019-08-04 21:59:45,338 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2019-08-04 21:59:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure product [2019-08-04 21:59:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2019-08-04 21:59:45,823 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint productFINAL: assume true; [2019-08-04 21:59:45,825 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:59:45,825 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-04 21:59:45,826 INFO L202 PluginConnector]: Adding new model threadpooling_out2.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:59:45 BoogieIcfgContainer [2019-08-04 21:59:45,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:59:45,827 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 21:59:45,827 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 21:59:45,828 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 21:59:45,829 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 04.08 09:59:45" (1/1) ... [2019-08-04 21:59:45,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 21:59:46,043 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 21:59:46,070 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. [2019-08-04 21:59:46,070 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 21:59:46,074 INFO L168 Benchmark]: Toolchain (without parser) took 870.95 ms. Allocated memory is still 141.0 MB. Free memory was 105.5 MB in the beginning and 78.4 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:46,075 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-04 21:59:46,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.08 ms. Allocated memory is still 141.0 MB. Free memory was 105.5 MB in the beginning and 103.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:46,080 INFO L168 Benchmark]: Boogie Preprocessor took 25.96 ms. Allocated memory is still 141.0 MB. Free memory was 103.7 MB in the beginning and 102.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:46,081 INFO L168 Benchmark]: RCFGBuilder took 561.82 ms. Allocated memory is still 141.0 MB. Free memory was 102.5 MB in the beginning and 88.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:46,082 INFO L168 Benchmark]: Abstract Interpretation took 243.03 ms. Allocated memory is still 141.0 MB. Free memory was 88.6 MB in the beginning and 78.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:46,088 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 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.08 ms. Allocated memory is still 141.0 MB. Free memory was 105.5 MB in the beginning and 103.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.96 ms. Allocated memory is still 141.0 MB. Free memory was 103.7 MB in the beginning and 102.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 561.82 ms. Allocated memory is still 141.0 MB. Free memory was 102.5 MB in the beginning and 88.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 243.03 ms. Allocated memory is still 141.0 MB. Free memory was 88.6 MB in the beginning and 78.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 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...