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-c78c21b [2018-12-03 19:51:00,158 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 19:51:00,160 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 19:51:00,177 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 19:51:00,178 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 19:51:00,179 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 19:51:00,180 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 19:51:00,182 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 19:51:00,184 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 19:51:00,185 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 19:51:00,186 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 19:51:00,210 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-03 19:51:00,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 19:51:00,225 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 19:51:00,226 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 19:51:00,226 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 19:51:00,226 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 19:51:00,226 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 19:51:00,226 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 19:51:00,227 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 19:51:00,227 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 19:51:00,227 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 19:51:00,227 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 19:51:00,227 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 19:51:00,228 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 19:51:00,228 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 19:51:00,229 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 19:51:00,229 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 19:51:00,231 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 19:51:00,231 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 19:51:00,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 19:51:00,232 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 19:51:00,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 19:51:00,232 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 19:51:00,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 19:51:00,232 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 19:51:00,233 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 19:51:00,233 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 19:51:00,233 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 19:51:00,234 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 19:51:00,234 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 19:51:00,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 19:51:00,234 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 19:51:00,235 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 19:51:00,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 19:51:00,235 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 19:51:00,235 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 19:51:00,236 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 19:51:00,236 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 19:51:00,236 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 19:51:00,236 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 19:51:00,237 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 19:51:00,237 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 19:51:00,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 19:51:00,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 19:51:00,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 19:51:00,310 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 19:51:00,310 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 19:51:00,311 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out.bpl [2018-12-03 19:51:00,312 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out.bpl' [2018-12-03 19:51:00,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 19:51:00,376 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 19:51:00,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 19:51:00,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 19:51:00,380 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 19:51:00,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:00" (1/1) ... [2018-12-03 19:51:00,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:00" (1/1) ... [2018-12-03 19:51:00,434 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 19:51:00,434 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 19:51:00,434 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 19:51:00,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 19:51:00,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 19:51:00,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 19:51:00,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 19:51:00,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:00" (1/1) ... [2018-12-03 19:51:00,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:00" (1/1) ... [2018-12-03 19:51:00,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:00" (1/1) ... [2018-12-03 19:51:00,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:00" (1/1) ... [2018-12-03 19:51:00,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:00" (1/1) ... [2018-12-03 19:51:00,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:00" (1/1) ... [2018-12-03 19:51:00,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:00" (1/1) ... [2018-12-03 19:51:00,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 19:51:00,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 19:51:00,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 19:51:00,507 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 19:51:00,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 07:51:00" (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 [2018-12-03 19:51:00,579 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-12-03 19:51:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-12-03 19:51:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-12-03 19:51:01,473 INFO L272 CfgBuilder]: Using library mode [2018-12-03 19:51:01,473 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 19:51:01,474 INFO L202 PluginConnector]: Adding new model threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:51:01 BoogieIcfgContainer [2018-12-03 19:51:01,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 19:51:01,475 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 19:51:01,475 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 19:51:01,476 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 19:51:01,477 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "threadpooling_out.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:51:01" (1/1) ... [2018-12-03 19:51:01,520 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 19:51:02,133 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 19:51:02,164 INFO L272 AbstractInterpreter]: Visited 127 different actions 361 times. Merged at 75 different actions 105 times. Widened at 2 different actions 2 times. Found 193 fixpoints after 89 different actions. Largest state had 0 variables. [2018-12-03 19:51:02,167 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 19:51:02,168 INFO L168 Benchmark]: Toolchain (without parser) took 1793.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-12-03 19:51:02,171 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 19:51:02,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 19:51:02,173 INFO L168 Benchmark]: Boogie Preprocessor took 66.75 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 19:51:02,173 INFO L168 Benchmark]: RCFGBuilder took 968.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-12-03 19:51:02,175 INFO L168 Benchmark]: Abstract Interpretation took 692.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-12-03 19:51:02,180 INFO L336 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 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.75 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 968.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 692.39 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. 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...