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/dangerInvariants/nondeterministicControlFlow.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:20:50,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:50,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:50,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:50,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:50,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:50,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:50,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:50,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:50,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:50,072 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:50,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:50,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:50,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:50,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:50,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:50,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:50,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:50,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:50,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:50,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:50,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:50,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:50,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:50,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:50,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:50,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:50,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:50,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:50,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:50,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:50,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:50,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:50,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:50,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:50,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:50,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:50,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:50,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:50,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:50,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:50,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:50,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:50,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:50,156 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:50,156 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:50,157 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/dangerInvariants/nondeterministicControlFlow.bpl [2019-08-09 14:20:50,157 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/dangerInvariants/nondeterministicControlFlow.bpl' [2019-08-09 14:20:50,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:50,194 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:50,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:50,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:50,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:50,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:50" (1/1) ... [2019-08-09 14:20:50,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:50" (1/1) ... [2019-08-09 14:20:50,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:50" (1/1) ... [2019-08-09 14:20:50,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:50" (1/1) ... [2019-08-09 14:20:50,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:50" (1/1) ... [2019-08-09 14:20:50,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:50" (1/1) ... [2019-08-09 14:20:50,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:50" (1/1) ... [2019-08-09 14:20:50,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:50,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:50,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:50,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:50,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:50" (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 14:20:50,312 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:20:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:20:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:20:50,442 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:20:50,443 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:20:50,444 INFO L202 PluginConnector]: Adding new model nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:50 BoogieIcfgContainer [2019-08-09 14:20:50,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:50,445 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:50,445 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:50,446 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:50,447 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nondeterministicControlFlow.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:50" (1/1) ... [2019-08-09 14:20:50,543 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:50,554 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:50,557 INFO L168 Benchmark]: Toolchain (without parser) took 362.15 ms. Allocated memory is still 132.6 MB. Free memory was 109.2 MB in the beginning and 95.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:50,559 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 132.6 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:20:50,560 INFO L168 Benchmark]: Boogie Preprocessor took 42.31 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 107.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:50,561 INFO L168 Benchmark]: RCFGBuilder took 206.16 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 98.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:50,562 INFO L168 Benchmark]: Symbolic Interpretation took 109.54 ms. Allocated memory is still 132.6 MB. Free memory was 98.9 MB in the beginning and 95.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:50,566 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 8]: 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 5#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 132.6 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.31 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 107.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 206.16 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 98.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 109.54 ms. Allocated memory is still 132.6 MB. Free memory was 98.9 MB in the beginning and 95.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...