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-b03553c [2019-08-05 18:16:23,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:23,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:23,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:23,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:23,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:23,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:23,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:23,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:23,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:23,800 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:23,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:23,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:23,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:23,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:23,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:23,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:23,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:23,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:23,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:23,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:23,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:23,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:23,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:23,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:23,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:23,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:23,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:23,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:23,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:23,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:23,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:23,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:23,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:23,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:23,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:23,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:23,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:23,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:23,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:23,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:23,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:23,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:23,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:23,880 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:23,881 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:23,881 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-ite-unsafe.bpl [2019-08-05 18:16:23,882 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-ite-unsafe.bpl' [2019-08-05 18:16:23,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:23,914 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:23,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:23,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:23,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:23,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:23" (1/1) ... [2019-08-05 18:16:23,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:23" (1/1) ... [2019-08-05 18:16:23,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:23" (1/1) ... [2019-08-05 18:16:23,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:23" (1/1) ... [2019-08-05 18:16:23,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:23" (1/1) ... [2019-08-05 18:16:23,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:23" (1/1) ... [2019-08-05 18:16:23,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:23" (1/1) ... [2019-08-05 18:16:23,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:23,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:23,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:23,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:23,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:23" (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 18:16:24,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 18:16:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 18:16:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 18:16:24,214 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:16:24,214 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:16:24,215 INFO L202 PluginConnector]: Adding new model expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:24 BoogieIcfgContainer [2019-08-05 18:16:24,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:24,216 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:24,216 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:24,216 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:24,217 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 05.08 06:16:24" (1/1) ... [2019-08-05 18:16:24,228 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:16:24,231 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:24,238 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-05 18:16:24,246 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:24,248 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-05 18:16:24,280 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:24,280 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:24,283 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 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)))) [2019-08-05 18:16:24,284 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:24,292 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:24,295 INFO L168 Benchmark]: Toolchain (without parser) took 379.90 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 95.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:24,296 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory is still 110.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:16:24,297 INFO L168 Benchmark]: Boogie Preprocessor took 38.32 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 107.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:24,298 INFO L168 Benchmark]: RCFGBuilder took 262.19 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 99.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:24,299 INFO L168 Benchmark]: Symbolic Interpretation took 76.09 ms. Allocated memory is still 133.7 MB. Free memory was 99.2 MB in the beginning and 95.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:24,303 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory is still 110.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.32 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 107.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 262.19 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 99.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 76.09 ms. Allocated memory is still 133.7 MB. Free memory was 99.2 MB in the beginning and 95.8 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...