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/abstractInterpretation/regression/all/expr-ite-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:20:07,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:20:07,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:20:07,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:20:07,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:20:07,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:20:07,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:20:07,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:20:07,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:20:07,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:20:07,100 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:20:07,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:20:07,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:20:07,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:20:07,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:20:07,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:20:07,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:20:07,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:20:07,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:20:07,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:20:07,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:20:07,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:20:07,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:20:07,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:20:07,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:20:07,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:20:07,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:20:07,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:20:07,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:20:07,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:20:07,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:20:07,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:20:07,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:20:07,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:20:07,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:20:07,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:20:07,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:20:07,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:20:07,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:20:07,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:20:07,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:20:07,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:20:07,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:20:07,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:20:07,181 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:20:07,181 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:20:07,182 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-ite-unsafe.bpl [2019-08-09 14:20:07,182 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-ite-unsafe.bpl' [2019-08-09 14:20:07,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:20:07,213 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:20:07,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:20:07,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:20:07,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:20:07,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:07" (1/1) ... [2019-08-09 14:20:07,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:07" (1/1) ... [2019-08-09 14:20:07,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:07" (1/1) ... [2019-08-09 14:20:07,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:07" (1/1) ... [2019-08-09 14:20:07,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:07" (1/1) ... [2019-08-09 14:20:07,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:07" (1/1) ... [2019-08-09 14:20:07,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:07" (1/1) ... [2019-08-09 14:20:07,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:20:07,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:20:07,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:20:07,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:20:07,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:20:07" (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 14:20:07,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-09 14:20:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-09 14:20:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-09 14:20:07,467 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:20:07,468 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:20:07,470 INFO L202 PluginConnector]: Adding new model expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:07 BoogieIcfgContainer [2019-08-09 14:20:07,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:20:07,471 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:20:07,471 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:20:07,471 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:20:07,473 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:20:07" (1/1) ... [2019-08-09 14:20:07,578 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:20:07,586 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:20:07,590 INFO L168 Benchmark]: Toolchain (without parser) took 375.97 ms. Allocated memory is still 131.1 MB. Free memory was 106.5 MB in the beginning and 92.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:07,594 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 131.1 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:20:07,596 INFO L168 Benchmark]: Boogie Preprocessor took 41.80 ms. Allocated memory is still 131.1 MB. Free memory was 106.3 MB in the beginning and 104.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:07,597 INFO L168 Benchmark]: RCFGBuilder took 214.62 ms. Allocated memory is still 131.1 MB. Free memory was 104.2 MB in the beginning and 95.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:07,598 INFO L168 Benchmark]: Symbolic Interpretation took 116.14 ms. Allocated memory is still 131.1 MB. Free memory was 95.8 MB in the beginning and 92.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:20:07,602 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6]: 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 (= 1 foo_a) (or (not (= 1 foo_x)) (not (= 0 foo_x)) (= 0 foo_a)) (or (= 1 foo_a) (and (= 1 foo_x) (= 0 foo_x)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 131.1 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.80 ms. Allocated memory is still 131.1 MB. Free memory was 106.3 MB in the beginning and 104.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 214.62 ms. Allocated memory is still 131.1 MB. Free memory was 104.2 MB in the beginning and 95.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 116.14 ms. Allocated memory is still 131.1 MB. Free memory was 95.8 MB in the beginning and 92.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...