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-b8c145f [2019-08-05 12:05:13,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:05:13,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:05:13,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:05:13,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:05:13,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:05:13,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:05:13,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:05:13,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:05:13,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:05:13,442 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:05:13,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:05:13,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:05:13,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:05:13,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:05:13,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:05:13,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:05:13,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:05:13,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:05:13,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:05:13,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:05:13,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:05:13,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:05:13,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:05:13,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:05:13,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:05:13,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:05:13,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:05:13,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:05:13,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:05:13,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:05:13,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:05:13,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:05:13,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:05:13,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:05:13,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:05:13,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:05:13,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:05:13,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:05:13,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:05:13,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:05:13,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:05:13,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:05:13,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:05:13,566 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:05:13,566 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:05:13,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestNondeterministicIf-unsafe.bpl [2019-08-05 12:05:13,568 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestNondeterministicIf-unsafe.bpl' [2019-08-05 12:05:13,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:05:13,596 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:05:13,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:05:13,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:05:13,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:05:13,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:13" (1/1) ... [2019-08-05 12:05:13,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:13" (1/1) ... [2019-08-05 12:05:13,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:13" (1/1) ... [2019-08-05 12:05:13,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:13" (1/1) ... [2019-08-05 12:05:13,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:13" (1/1) ... [2019-08-05 12:05:13,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:13" (1/1) ... [2019-08-05 12:05:13,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:13" (1/1) ... [2019-08-05 12:05:13,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:05:13,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:05:13,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:05:13,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:05:13,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:13" (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 12:05:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-05 12:05:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-05 12:05:14,005 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:05:14,005 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:05:14,007 INFO L202 PluginConnector]: Adding new model TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:14 BoogieIcfgContainer [2019-08-05 12:05:14,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:05:14,007 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:05:14,007 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:05:14,008 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:05:14,010 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "TestNondeterministicIf-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:14" (1/1) ... [2019-08-05 12:05:14,020 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:05:14,023 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:05:14,029 INFO L160 IcfgInterpreter]: Initial procedures are [proc] [2019-08-05 12:05:14,037 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:05:14,039 INFO L184 IcfgInterpreter]: Interpreting procedure proc with input of size 1 [2019-08-05 12:05:14,251 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2019-08-05 12:05:14,252 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:05:14,252 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:05:14,255 INFO L178 IcfgInterpreter]: Location procErr0ASSERT_VIOLATIONASSERT has predicate 6#(= proc_x (- 1)) [2019-08-05 12:05:14,262 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:05:14,264 INFO L168 Benchmark]: Toolchain (without parser) took 668.04 ms. Allocated memory is still 139.5 MB. Free memory was 109.3 MB in the beginning and 92.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:14,266 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:05:14,267 INFO L168 Benchmark]: Boogie Preprocessor took 39.54 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:14,269 INFO L168 Benchmark]: RCFGBuilder took 370.37 ms. Allocated memory is still 139.5 MB. Free memory was 107.0 MB in the beginning and 97.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:14,270 INFO L168 Benchmark]: Symbolic Interpretation took 255.15 ms. Allocated memory is still 139.5 MB. Free memory was 97.8 MB in the beginning and 92.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:14,274 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 110.3 MB in the beginning and 110.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.54 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.37 ms. Allocated memory is still 139.5 MB. Free memory was 107.0 MB in the beginning and 97.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 255.15 ms. Allocated memory is still 139.5 MB. Free memory was 97.8 MB in the beginning and 92.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...