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/regression/bpl/TestParallelComposition.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:18:56,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:18:56,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:18:56,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:18:56,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:18:56,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:18:56,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:18:56,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:18:56,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:18:56,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:18:56,422 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:18:56,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:18:56,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:18:56,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:18:56,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:18:56,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:18:56,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:18:56,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:18:56,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:18:56,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:18:56,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:18:56,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:18:56,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:18:56,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:18:56,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:18:56,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:18:56,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:18:56,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:18:56,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:18:56,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:18:56,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:18:56,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:18:56,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:18:56,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:18:56,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:18:56,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:18:56,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:18:56,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:18:56,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:18:56,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:18:56,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:18:56,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:18:56,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:18:56,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:18:56,503 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:18:56,504 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:18:56,505 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestParallelComposition.bpl [2019-08-09 14:18:56,505 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestParallelComposition.bpl' [2019-08-09 14:18:56,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:18:56,545 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:18:56,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:18:56,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:18:56,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:18:56,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestParallelComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:56" (1/1) ... [2019-08-09 14:18:56,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestParallelComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:56" (1/1) ... [2019-08-09 14:18:56,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestParallelComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:56" (1/1) ... [2019-08-09 14:18:56,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestParallelComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:56" (1/1) ... [2019-08-09 14:18:56,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestParallelComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:56" (1/1) ... [2019-08-09 14:18:56,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestParallelComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:56" (1/1) ... [2019-08-09 14:18:56,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestParallelComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:56" (1/1) ... [2019-08-09 14:18:56,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:18:56,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:18:56,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:18:56,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:18:56,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestParallelComposition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:56" (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 14:18:56,671 INFO L124 BoogieDeclarations]: Specification and implementation of procedure proc given in one single declaration [2019-08-09 14:18:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-09 14:18:56,672 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-09 14:18:57,169 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:18:57,170 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-08-09 14:18:57,171 INFO L202 PluginConnector]: Adding new model TestParallelComposition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:57 BoogieIcfgContainer [2019-08-09 14:18:57,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:18:57,172 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:18:57,172 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:18:57,172 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:18:57,173 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestParallelComposition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:57" (1/1) ... [2019-08-09 14:18:57,309 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:18:57,319 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:18:57,322 INFO L168 Benchmark]: Toolchain (without parser) took 775.38 ms. Allocated memory is still 139.5 MB. Free memory was 107.8 MB in the beginning and 77.2 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:57,324 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:18:57,325 INFO L168 Benchmark]: Boogie Preprocessor took 43.11 ms. Allocated memory is still 139.5 MB. Free memory was 107.6 MB in the beginning and 105.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:57,328 INFO L168 Benchmark]: RCFGBuilder took 581.96 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 82.7 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:57,329 INFO L168 Benchmark]: Symbolic Interpretation took 147.07 ms. Allocated memory is still 139.5 MB. Free memory was 82.7 MB in the beginning and 77.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:57,337 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 48]: 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 40#(and (= 10 a) (or (= y 0) (= a y)) (or (not (= 10 y)) (not (= 10 a))) (or (not (= y 0)) (not (= 10 a)))). Possible FailurePath: - UnprovableResult [Line: 109]: 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 22#(and (= 10 a) (or (not (= 1 y)) (not (= 10 a))) (or (= 1 y) (= a y)) (or (not (= 10 y)) (not (= 10 a)))). Possible FailurePath: - UnprovableResult [Line: 119]: 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 19#(and (= 10 a) (= 1 y) (or (not (= 1 y)) (not (= 10 a)))). Possible FailurePath: - UnprovableResult [Line: 89]: 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 28#(and (or (and (= 10 a) (= 1 y)) (and (= y 0) (= a 0))) (or (not (= 1 y)) (not (= 10 a))) (or (not (= a 0)) (not (= y 0)))). Possible FailurePath: - UnprovableResult [Line: 131]: 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 16#(and (or (not (= 1 y)) (not (= 10 a))) (or (and (= 1 y) (= 10 a)) (and (= y 0) (= 11 a))) (or (not (= y 0)) (not (= 11 a)))). Possible FailurePath: - UnprovableResult [Line: 38]: 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 43#(and (= y 0) (or (= 10 a) (= a y)) (or (not (= a 0)) (not (= y 0))) (or (not (= y 0)) (not (= 10 a)))). Possible FailurePath: - UnprovableResult [Line: 99]: 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 25#(and (= 10 a) (or (not (= 10 y)) (not (= 10 a))) (= a y)). 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 37#(and (= 10 a) (or (not (= 1 y)) (not (= 10 a))) (or (= y 0) (= 1 y)) (or (not (= y 0)) (not (= 10 a)))). Possible FailurePath: - UnprovableResult [Line: 28]: 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 46#(and (= y 0) (= 10 a) (or (not (= y 0)) (not (= 10 a)))). Possible FailurePath: - UnprovableResult [Line: 79]: 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 31#(and (or (and (= y 0) (= a 0)) (and (= 10 a) (= 10 y))) (or (not (= 10 y)) (not (= 10 a))) (or (not (= a 0)) (not (= y 0)))). Possible FailurePath: - 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 34#(and (= y 0) (= a y) (or (not (= a 0)) (not (= y 0)))). Possible FailurePath: * 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 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.11 ms. Allocated memory is still 139.5 MB. Free memory was 107.6 MB in the beginning and 105.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 581.96 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 82.7 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 147.07 ms. Allocated memory is still 139.5 MB. Free memory was 82.7 MB in the beginning and 77.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...