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/concurrent/regression/SAS09.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:25:16,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:25:16,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:25:16,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:25:16,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:25:16,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:25:16,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:25:16,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:25:16,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:25:16,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:25:16,504 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:25:16,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:25:16,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:25:16,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:25:16,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:25:16,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:25:16,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:25:16,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:25:16,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:25:16,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:25:16,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:25:16,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:25:16,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:25:16,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:25:16,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:25:16,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:25:16,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:25:16,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:25:16,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:25:16,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:25:16,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:25:16,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:25:16,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:25:16,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:25:16,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:25:16,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:25:16,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:25:16,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:25:16,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:25:16,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:25:16,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:25:16,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:25:16,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:25:16,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:25:16,631 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:25:16,631 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:25:16,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/regression/SAS09.bpl [2019-08-05 11:25:16,633 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/regression/SAS09.bpl' [2019-08-05 11:25:16,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:25:16,667 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:25:16,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:25:16,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:25:16,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:25:16,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "SAS09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "SAS09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "SAS09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "SAS09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "SAS09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "SAS09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "SAS09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:16,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:25:16,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:25:16,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:25:16,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:25:16,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "SAS09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (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 [2019-08-05 11:25:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure ~init [2019-08-05 11:25:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ~init [2019-08-05 11:25:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure Thread1 [2019-08-05 11:25:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread1 [2019-08-05 11:25:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure Thread2 [2019-08-05 11:25:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread2 [2019-08-05 11:25:17,183 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:25:17,183 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 11:25:17,185 INFO L202 PluginConnector]: Adding new model SAS09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:17 BoogieIcfgContainer [2019-08-05 11:25:17,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:25:17,185 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:25:17,185 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:25:17,186 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:25:17,188 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "SAS09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:17" (1/1) ... [2019-08-05 11:25:17,206 INFO L148 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-08-05 11:25:17,214 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:25:17,230 INFO L160 IcfgInterpreter]: Initial procedures are [Thread1, Thread2] [2019-08-05 11:25:17,240 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:25:17,242 INFO L184 IcfgInterpreter]: Interpreting procedure Thread1 with input of size 1 [2019-08-05 11:25:17,649 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2019-08-05 11:25:17,883 INFO L184 IcfgInterpreter]: Interpreting procedure Thread2 with input of size 1 [2019-08-05 11:25:18,199 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:25:18,200 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:25:18,203 INFO L178 IcfgInterpreter]: Location Thread2Err1ASSERT_VIOLATIONASSERT has predicate 51#false [2019-08-05 11:25:18,203 INFO L178 IcfgInterpreter]: Location Thread2Err0ASSERT_VIOLATIONASSERT has predicate 54#(and (= (- 1) Thread2_a) (= Thread2_b 0)) [2019-08-05 11:25:18,203 INFO L178 IcfgInterpreter]: Location Thread1Err2ASSERT_VIOLATIONASSERT has predicate 24#(and (not (= (- 1) Thread1_x)) (= (- 1) g) (= Thread1_y 0)) [2019-08-05 11:25:18,204 INFO L178 IcfgInterpreter]: Location Thread1Err1ASSERT_VIOLATIONASSERT has predicate 27#false [2019-08-05 11:25:18,204 INFO L178 IcfgInterpreter]: Location Thread1Err0ASSERT_VIOLATIONASSERT has predicate 30#(and (= (- 1) Thread1_x) (= Thread1_y 0)) [2019-08-05 11:25:18,214 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:25:18,216 INFO L168 Benchmark]: Toolchain (without parser) took 1548.36 ms. Allocated memory is still 134.2 MB. Free memory was 110.4 MB in the beginning and 67.1 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:18,217 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:25:18,219 INFO L168 Benchmark]: Boogie Preprocessor took 44.44 ms. Allocated memory is still 134.2 MB. Free memory was 110.4 MB in the beginning and 108.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:18,220 INFO L168 Benchmark]: RCFGBuilder took 472.68 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 97.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:18,221 INFO L168 Benchmark]: Symbolic Interpretation took 1028.58 ms. Allocated memory is still 134.2 MB. Free memory was 97.4 MB in the beginning and 67.1 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:18,225 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 59]: assertion always holds For all program executions holds that assertion always holds at this location - 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.. 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.. Possible FailurePath: - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - UnprovableResult [Line: 36]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 111.7 MB in the beginning and 111.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.44 ms. Allocated memory is still 134.2 MB. Free memory was 110.4 MB in the beginning and 108.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 472.68 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 97.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1028.58 ms. Allocated memory is still 134.2 MB. Free memory was 97.4 MB in the beginning and 67.1 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...