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/TestNondeterministicIf-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:19:00,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:19:00,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:19:00,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:19:00,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:19:00,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:19:00,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:19:00,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:19:00,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:19:00,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:19:00,557 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:19:00,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:19:00,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:19:00,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:19:00,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:19:00,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:19:00,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:19:00,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:19:00,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:19:00,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:19:00,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:19:00,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:19:00,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:19:00,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:19:00,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:19:00,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:19:00,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:19:00,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:19:00,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:19:00,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:19:00,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:19:00,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:19:00,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:19:00,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:19:00,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:19:00,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:19:00,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:19:00,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:19:00,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:19:00,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:19:00,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:19:00,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:19:00,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:19:00,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:19:00,624 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:19:00,625 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:19:00,625 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestNondeterministicIf-unsafe.bpl [2019-08-09 14:19:00,626 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestNondeterministicIf-unsafe.bpl' [2019-08-09 14:19:00,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:19:00,655 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:19:00,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:19:00,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:19:00,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:19:00,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:00" (1/1) ... [2019-08-09 14:19:00,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:00" (1/1) ... [2019-08-09 14:19:00,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:00" (1/1) ... [2019-08-09 14:19:00,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:00" (1/1) ... [2019-08-09 14:19:00,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:00" (1/1) ... [2019-08-09 14:19:00,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:00" (1/1) ... [2019-08-09 14:19:00,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:00" (1/1) ... [2019-08-09 14:19:00,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:19:00,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:19:00,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:19:00,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:19:00,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:19:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory: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 14:19:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-09 14:19:00,760 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-09 14:19:00,916 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:19:00,918 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:19:00,920 INFO L202 PluginConnector]: Adding new model TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:00 BoogieIcfgContainer [2019-08-09 14:19:00,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:19:00,921 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:19:00,921 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:19:00,921 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:19:00,922 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:19:00" (1/1) ... [2019-08-09 14:19:01,015 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:19:01,023 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:19:01,025 INFO L168 Benchmark]: Toolchain (without parser) took 369.05 ms. Allocated memory is still 132.1 MB. Free memory was 108.8 MB in the beginning and 93.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:01,027 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:19:01,028 INFO L168 Benchmark]: Boogie Preprocessor took 38.06 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 106.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:01,029 INFO L168 Benchmark]: RCFGBuilder took 225.82 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 97.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:01,030 INFO L168 Benchmark]: Symbolic Interpretation took 101.79 ms. Allocated memory is still 132.1 MB. Free memory was 97.3 MB in the beginning and 93.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:19:01,034 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 19]: 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 6#(and (not (= proc_x 0)) (or (= proc_x 0) (= proc_x (- 1)))). 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 132.1 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.06 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 106.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.82 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 97.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 101.79 ms. Allocated memory is still 132.1 MB. Free memory was 97.3 MB in the beginning and 93.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...