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_out3.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:29,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:29,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:29,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:14:29,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:14:29,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:14:29,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:14:29,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:14:29,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:14:29,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:14:29,084 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:14:29,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:14:29,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:14:29,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:14:29,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:14:29,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:14:29,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:14:29,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:14:29,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:14:29,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:14:29,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:14:29,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:14:29,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:14:29,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:14:29,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:14:29,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:14:29,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:14:29,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:14:29,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:14:29,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:14:29,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:14:29,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:14:29,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:14:29,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:14:29,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:14:29,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:14:29,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:14:29,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:14:29,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:14:29,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:14:29,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:14:29,136 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 12:14:29,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:29,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:29,155 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:29,155 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:29,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:29,156 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:29,156 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:29,156 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:29,157 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:29,157 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:29,157 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:29,157 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:29,157 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:29,158 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:29,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:29,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:29,159 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:29,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:29,160 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:29,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:29,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:29,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:29,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:29,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:29,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:29,162 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:29,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:29,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:29,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:29,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:29,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:29,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:29,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:29,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:29,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:29,164 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:29,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:29,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:29,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:29,165 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:29,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:29,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:29,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:29,238 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:29,238 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:29,239 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl [2019-08-05 12:14:29,239 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl' [2019-08-05 12:14:29,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:29,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:29,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:29,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:29,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:29,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:29" (1/1) ... [2019-08-05 12:14:29,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:29" (1/1) ... [2019-08-05 12:14:29,382 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:14:29,382 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:14:29,382 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:14:29,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:29,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:29,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:29,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:29,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:29" (1/1) ... [2019-08-05 12:14:29,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:29" (1/1) ... [2019-08-05 12:14:29,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:29" (1/1) ... [2019-08-05 12:14:29,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:29" (1/1) ... [2019-08-05 12:14:29,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:29" (1/1) ... [2019-08-05 12:14:29,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:29" (1/1) ... [2019-08-05 12:14:29,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:29" (1/1) ... [2019-08-05 12:14:29,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:29,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:29,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:29,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:29,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:29" (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 12:14:29,519 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2019-08-05 12:14:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure product [2019-08-05 12:14:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2019-08-05 12:14:30,530 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint productFINAL: assume true; [2019-08-05 12:14:30,532 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:14:30,532 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:14:30,533 INFO L202 PluginConnector]: Adding new model threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:30 BoogieIcfgContainer [2019-08-05 12:14:30,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:30,534 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:30,534 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:30,535 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:30,536 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:30" (1/1) ... [2019-08-05 12:14:30,566 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:31,173 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:31,244 INFO L272 AbstractInterpreter]: Visited 163 different actions 567 times. Merged at 112 different actions 189 times. Widened at 22 different actions 23 times. Performed 2946 root evaluator evaluations with a maximum evaluation depth of 5. Performed 2946 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 297 fixpoints after 107 different actions. Largest state had 0 variables. [2019-08-05 12:14:31,247 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:31,252 INFO L168 Benchmark]: Toolchain (without parser) took 1911.44 ms. Allocated memory was 132.6 MB in the beginning and 172.0 MB in the end (delta: 39.3 MB). Free memory was 104.4 MB in the beginning and 115.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:31,256 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:31,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.98 ms. Allocated memory is still 132.6 MB. Free memory was 104.2 MB in the beginning and 102.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:31,259 INFO L168 Benchmark]: Boogie Preprocessor took 61.41 ms. Allocated memory is still 132.6 MB. Free memory was 102.4 MB in the beginning and 100.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:31,261 INFO L168 Benchmark]: RCFGBuilder took 1086.82 ms. Allocated memory is still 132.6 MB. Free memory was 100.7 MB in the beginning and 66.2 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:31,263 INFO L168 Benchmark]: Abstract Interpretation took 712.50 ms. Allocated memory was 132.6 MB in the beginning and 172.0 MB in the end (delta: 39.3 MB). Free memory was 66.2 MB in the beginning and 115.5 MB in the end (delta: -49.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:14:31,271 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 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.98 ms. Allocated memory is still 132.6 MB. Free memory was 104.2 MB in the beginning and 102.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.41 ms. Allocated memory is still 132.6 MB. Free memory was 102.4 MB in the beginning and 100.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1086.82 ms. Allocated memory is still 132.6 MB. Free memory was 100.7 MB in the beginning and 66.2 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 712.50 ms. Allocated memory was 132.6 MB in the beginning and 172.0 MB in the end (delta: 39.3 MB). Free memory was 66.2 MB in the beginning and 115.5 MB in the end (delta: -49.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 847]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L135] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L142] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L847] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_1) && !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 675]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L961] _local__threadpooling_begin_0 := _global_next; [L962] _global_next := _global_next + 1; [L963] _local__threadpooling_end_0 := _global_next; [L964] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L387] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L394] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L675] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_0) && !(_local__threadpooling_working_1 == _local__threadpooling_working_0); - UnprovableResult [Line: 71]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L35] _local__threadpooling_begin_2 := _global_next; [L36] _global_next := _global_next + 1; [L37] _local__threadpooling_end_2 := _global_next; [L38] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L51] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L58] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L71] assert !(_local__threadpooling_working_1 == _local__threadpooling_working_2) && !(_local__threadpooling_working_0 == _local__threadpooling_working_2); - UnprovableResult [Line: 263]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L763] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L770] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L263] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_1) && !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 604]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L774] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L781] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L604] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_0) && !(_local__threadpooling_working_1 == _local__threadpooling_working_0); - UnprovableResult [Line: 832]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L128] _local__threadpooling_begin_2 := _global_next; [L129] _global_next := _global_next + 1; [L130] _local__threadpooling_end_2 := _global_next; [L131] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L876] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L883] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L832] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_1) && !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 95]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L128] _local__threadpooling_begin_2 := _global_next; [L129] _global_next := _global_next + 1; [L130] _local__threadpooling_end_2 := _global_next; [L131] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L109] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L872] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L95] assert !(_local__threadpooling_working_1 == _local__threadpooling_working_2) && !(_local__threadpooling_working_0 == _local__threadpooling_working_2); - UnprovableResult [Line: 660]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L961] _local__threadpooling_begin_0 := _global_next; [L962] _global_next := _global_next + 1; [L963] _local__threadpooling_end_0 := _global_next; [L964] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L370] _local__threadpooling_begin_2 := _global_next; [L371] _global_next := _global_next + 1; [L372] _local__threadpooling_end_2 := _global_next; [L373] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L694] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L701] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L660] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_0) && !(_local__threadpooling_working_1 == _local__threadpooling_working_0); - UnprovableResult [Line: 337]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L961] _local__threadpooling_begin_0 := _global_next; [L962] _global_next := _global_next + 1; [L963] _local__threadpooling_end_0 := _global_next; [L964] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L370] _local__threadpooling_begin_2 := _global_next; [L371] _global_next := _global_next + 1; [L372] _local__threadpooling_end_2 := _global_next; [L373] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L351] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L680] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L337] assert !(_local__threadpooling_working_1 == _local__threadpooling_working_2) && !(_local__threadpooling_working_0 == _local__threadpooling_working_2); - UnprovableResult [Line: 800]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L763] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L770] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L256] _local__threadpooling_begin_2 := _global_next; [L257] _global_next := _global_next + 1; [L258] _local__threadpooling_end_2 := _global_next; [L259] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L800] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_1) && !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 316]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L280] _local__threadpooling_begin_2 := _global_next; [L281] _global_next := _global_next + 1; [L282] _local__threadpooling_end_2 := _global_next; [L283] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L296] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L303] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L316] assert !(_local__threadpooling_working_1 == _local__threadpooling_working_2) && !(_local__threadpooling_working_0 == _local__threadpooling_working_2); - UnprovableResult [Line: 624]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L280] _local__threadpooling_begin_2 := _global_next; [L281] _global_next := _global_next + 1; [L282] _local__threadpooling_end_2 := _global_next; [L283] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L752] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L759] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L624] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_0) && !(_local__threadpooling_working_1 == _local__threadpooling_working_0); - UnprovableResult [Line: 594]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L763] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L770] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L785] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L792] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L594] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_1) && !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 599]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L763] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L770] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L785] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L792] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L599] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_0) && !(_local__threadpooling_working_1 == _local__threadpooling_working_0); - UnprovableResult [Line: 194]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L128] _local__threadpooling_begin_2 := _global_next; [L129] _global_next := _global_next + 1; [L130] _local__threadpooling_end_2 := _global_next; [L131] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L876] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L883] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L174] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L181] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L194] assert !(_local__threadpooling_working_1 == _local__threadpooling_working_2) && !(_local__threadpooling_working_0 == _local__threadpooling_working_2); - UnprovableResult [Line: 199]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L128] _local__threadpooling_begin_2 := _global_next; [L129] _global_next := _global_next + 1; [L130] _local__threadpooling_end_2 := _global_next; [L131] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L876] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L883] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L174] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L181] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L199] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_1) && !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 645]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L961] _local__threadpooling_begin_0 := _global_next; [L962] _global_next := _global_next + 1; [L963] _local__threadpooling_end_0 := _global_next; [L964] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L370] _local__threadpooling_begin_2 := _global_next; [L371] _global_next := _global_next + 1; [L372] _local__threadpooling_end_2 := _global_next; [L373] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L694] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L701] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L426] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L433] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L645] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_0) && !(_local__threadpooling_working_1 == _local__threadpooling_working_0); - UnprovableResult [Line: 446]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L961] _local__threadpooling_begin_0 := _global_next; [L962] _global_next := _global_next + 1; [L963] _local__threadpooling_end_0 := _global_next; [L964] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L370] _local__threadpooling_begin_2 := _global_next; [L371] _global_next := _global_next + 1; [L372] _local__threadpooling_end_2 := _global_next; [L373] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L694] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L701] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L426] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L433] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L446] assert !(_local__threadpooling_working_1 == _local__threadpooling_working_2) && !(_local__threadpooling_working_0 == _local__threadpooling_working_2); - UnprovableResult [Line: 584]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L763] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L770] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L785] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L792] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L533] _local__threadpooling_begin_2 := _global_next; [L534] _global_next := _global_next + 1; [L535] _local__threadpooling_end_2 := _global_next; [L536] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L584] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_1) && !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 589]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L763] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L770] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L785] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L792] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L533] _local__threadpooling_begin_2 := _global_next; [L534] _global_next := _global_next + 1; [L535] _local__threadpooling_end_2 := _global_next; [L536] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L589] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_0) && !(_local__threadpooling_working_1 == _local__threadpooling_working_0); - UnprovableResult [Line: 223]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L763] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L770] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L256] _local__threadpooling_begin_2 := _global_next; [L257] _global_next := _global_next + 1; [L258] _local__threadpooling_end_2 := _global_next; [L259] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L237] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L796] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L223] assert !(_local__threadpooling_working_1 == _local__threadpooling_working_2) && !(_local__threadpooling_working_0 == _local__threadpooling_working_2); - UnprovableResult [Line: 816]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L763] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L770] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L256] _local__threadpooling_begin_2 := _global_next; [L257] _global_next := _global_next + 1; [L258] _local__threadpooling_end_2 := _global_next; [L259] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L237] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L796] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L816] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_1) && !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 470]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L280] _local__threadpooling_begin_2 := _global_next; [L281] _global_next := _global_next + 1; [L282] _local__threadpooling_end_2 := _global_next; [L283] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L296] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L303] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L730] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L737] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L470] assert !(_local__threadpooling_working_1 == _local__threadpooling_working_2) && !(_local__threadpooling_working_0 == _local__threadpooling_working_2); - UnprovableResult [Line: 640]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L280] _local__threadpooling_begin_2 := _global_next; [L281] _global_next := _global_next + 1; [L282] _local__threadpooling_end_2 := _global_next; [L283] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L296] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L303] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L730] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L737] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L640] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_0) && !(_local__threadpooling_working_1 == _local__threadpooling_working_0); - UnprovableResult [Line: 569]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L763] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L770] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L785] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L792] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L533] _local__threadpooling_begin_2 := _global_next; [L534] _global_next := _global_next + 1; [L535] _local__threadpooling_end_2 := _global_next; [L536] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L549] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L556] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L569] assert !(_local__threadpooling_working_1 == _local__threadpooling_working_2) && !(_local__threadpooling_working_0 == _local__threadpooling_working_2); - UnprovableResult [Line: 574]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L763] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L770] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L785] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L792] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L533] _local__threadpooling_begin_2 := _global_next; [L534] _global_next := _global_next + 1; [L535] _local__threadpooling_end_2 := _global_next; [L536] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L549] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L556] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L574] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_1) && !(_local__threadpooling_working_0 == _local__threadpooling_working_1); - UnprovableResult [Line: 579]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] assume 0 < _global_next; [L18] assume _local__threadpooling_working_0 == -1; [L19] assume _local__threadpooling_working_1 == -1; [L20] assume _local__threadpooling_working_2 == -1; [L951] _local__threadpooling_begin_1 := _global_next; [L952] _global_next := _global_next + 1; [L953] _local__threadpooling_end_1 := _global_next; [L954] _local__threadpooling_i_1 := _local__threadpooling_begin_1; [L865] _local__threadpooling_begin_0 := _global_next; [L866] _global_next := _global_next + 1; [L867] _local__threadpooling_end_0 := _global_next; [L868] _local__threadpooling_i_0 := _local__threadpooling_begin_0; [L763] COND TRUE _local__threadpooling_i_1 < _local__threadpooling_end_1 [L770] _local__threadpooling_working_1 := _local__threadpooling_i_1; [L785] COND TRUE _local__threadpooling_i_0 < _local__threadpooling_end_0 [L792] _local__threadpooling_working_0 := _local__threadpooling_i_0; [L533] _local__threadpooling_begin_2 := _global_next; [L534] _global_next := _global_next + 1; [L535] _local__threadpooling_end_2 := _global_next; [L536] _local__threadpooling_i_2 := _local__threadpooling_begin_2; [L549] COND TRUE _local__threadpooling_i_2 < _local__threadpooling_end_2 [L556] _local__threadpooling_working_2 := _local__threadpooling_i_2; [L579] assert !(_local__threadpooling_working_2 == _local__threadpooling_working_0) && !(_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...