java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:04:30,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:04:30,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:04:30,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:04:30,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:04:30,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:04:30,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:04:30,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:04:30,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:04:30,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:04:30,293 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:04:30,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:04:30,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:04:30,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:04:30,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:04:30,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:04:30,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:04:30,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:04:30,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:04:30,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:04:30,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:04:30,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:04:30,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:04:30,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:04:30,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:04:30,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:04:30,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:04:30,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:04:30,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:04:30,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:04:30,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:04:30,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:04:30,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:04:30,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:04:30,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:04:30,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:04:30,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:04:30,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:04:30,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:04:30,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:04:30,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:04:30,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:04:30,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:04:30,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:04:30,371 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:04:30,371 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:04:30,372 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl [2019-08-09 14:04:30,372 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl' [2019-08-09 14:04:30,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:04:30,414 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:04:30,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:04:30,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:04:30,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:04:30,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:04:30" (1/1) ... [2019-08-09 14:04:30,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:04:30" (1/1) ... [2019-08-09 14:04:30,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:04:30" (1/1) ... [2019-08-09 14:04:30,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:04:30" (1/1) ... [2019-08-09 14:04:30,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:04:30" (1/1) ... [2019-08-09 14:04:30,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:04:30" (1/1) ... [2019-08-09 14:04:30,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:04:30" (1/1) ... [2019-08-09 14:04:30,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:04:30,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:04:30,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:04:30,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:04:30,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:04:30" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-09 14:04:30,524 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2019-08-09 14:04:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure product [2019-08-09 14:04:30,525 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2019-08-09 14:04:30,819 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint productFINAL: assume true; [2019-08-09 14:04:30,821 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:04:30,822 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:04:30,823 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:04:30 BoogieIcfgContainer [2019-08-09 14:04:30,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:04:30,824 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:04:30,824 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:04:30,825 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:04:30,826 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:04:30" (1/1) ... [2019-08-09 14:04:32,444 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:04:32,453 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:04:32,457 INFO L168 Benchmark]: Toolchain (without parser) took 2041.47 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 107.7 MB in the beginning and 118.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:04:32,458 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:04:32,459 INFO L168 Benchmark]: Boogie Preprocessor took 43.68 ms. Allocated memory is still 140.5 MB. Free memory was 107.5 MB in the beginning and 105.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:04:32,461 INFO L168 Benchmark]: RCFGBuilder took 365.13 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 93.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:04:32,462 INFO L168 Benchmark]: Symbolic Interpretation took 1629.00 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 93.5 MB in the beginning and 118.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:04:32,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 69]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 4206#(and (= product_working0 product_begin0) (= product_working0 product_working1)). Possible FailurePath: - UnprovableResult [Line: 37]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 4090#(and (or (and (<= 0 product_begin0) (< 0 product_workload) (= (+ product_begin0 product_workload) product_next) (= product_working1 (- 1)) (= product_end0 product_next) (= product_working0 product_begin0)) (= product_working0 product_begin0)) (= product_working0 product_working1)). Possible FailurePath: - UnprovableResult [Line: 58]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 4022#(and (or (= product_working1 product_begin1) (and (= product_working1 product_begin1) (= product_working0 (- 1)) (< 0 product_workload) (<= 0 product_begin1) (= product_next (+ product_workload product_begin1)) (= product_end1 product_next))) (= product_working0 product_working1)). Possible FailurePath: - UnprovableResult [Line: 78]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 4148#(and (= product_working1 product_begin1) (= product_working0 product_working1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.68 ms. Allocated memory is still 140.5 MB. Free memory was 107.5 MB in the beginning and 105.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.13 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 93.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1629.00 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 93.5 MB in the beginning and 118.0 MB in the end (delta: -24.4 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...