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/toy/INT_FlaggedConditionalEx2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:14:11,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:14:11,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:14:11,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:14:11,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:14:11,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:14:11,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:14:11,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:14:11,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:14:11,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:14:11,213 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:14:11,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:14:11,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:14:11,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:14:11,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:14:11,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:14:11,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:14:11,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:14:11,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:14:11,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:14:11,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:14:11,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:14:11,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:14:11,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:14:11,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:14:11,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:14:11,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:14:11,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:14:11,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:14:11,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:14:11,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:14:11,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:14:11,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:14:11,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:14:11,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:14:11,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:14:11,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:14:11,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:14:11,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:14:11,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:14:11,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:14:11,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:14:11,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:14:11,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:14:11,312 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:14:11,313 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:14:11,314 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/INT_FlaggedConditionalEx2.bpl [2019-08-09 14:14:11,314 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/INT_FlaggedConditionalEx2.bpl' [2019-08-09 14:14:11,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:14:11,355 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:14:11,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:14:11,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:14:11,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:14:11,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:11" (1/1) ... [2019-08-09 14:14:11,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:11" (1/1) ... [2019-08-09 14:14:11,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:11" (1/1) ... [2019-08-09 14:14:11,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:11" (1/1) ... [2019-08-09 14:14:11,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:11" (1/1) ... [2019-08-09 14:14:11,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:11" (1/1) ... [2019-08-09 14:14:11,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:11" (1/1) ... [2019-08-09 14:14:11,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:14:11,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:14:11,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:14:11,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:14:11,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:11" (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 14:14:11,499 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-09 14:14:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-09 14:14:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-09 14:14:11,694 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:14:11,695 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 14:14:11,699 INFO L202 PluginConnector]: Adding new model INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:11 BoogieIcfgContainer [2019-08-09 14:14:11,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:14:11,703 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:14:11,703 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:14:11,704 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:14:11,704 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:11" (1/1) ... [2019-08-09 14:14:11,914 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:14:11,921 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:14:11,924 INFO L168 Benchmark]: Toolchain (without parser) took 568.18 ms. Allocated memory is still 129.5 MB. Free memory was 104.6 MB in the beginning and 84.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:11,925 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 129.5 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:14:11,928 INFO L168 Benchmark]: Boogie Preprocessor took 50.96 ms. Allocated memory is still 129.5 MB. Free memory was 104.6 MB in the beginning and 102.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:11,929 INFO L168 Benchmark]: RCFGBuilder took 291.76 ms. Allocated memory is still 129.5 MB. Free memory was 102.4 MB in the beginning and 91.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:11,930 INFO L168 Benchmark]: Symbolic Interpretation took 218.30 ms. Allocated memory is still 129.5 MB. Free memory was 91.8 MB in the beginning and 84.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:11,938 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 83#(and (not (= 0 foo_y)) (or (and (= 10 foo_y) (not foo_flag) (= 0 foo_x)) (and foo_flag (= 0 foo_y) (= 10 foo_x))) (not (= 0 foo_x))). Possible FailurePath: - UnprovableResult [Line: 18]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 86#(and (or foo_flag (not (= 10 foo_y)) (not (= 0 foo_x))) (or (not (= 10 foo_x)) (not (= 0 foo_y)) (not foo_flag))). 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 129.5 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.96 ms. Allocated memory is still 129.5 MB. Free memory was 104.6 MB in the beginning and 102.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 291.76 ms. Allocated memory is still 129.5 MB. Free memory was 102.4 MB in the beginning and 91.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 218.30 ms. Allocated memory is still 129.5 MB. Free memory was 91.8 MB in the beginning and 84.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...