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 0.1.24-3b9210c [2019-08-06 16:59:06,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:59:06,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:59:06,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:59:06,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:59:06,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:59:06,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:59:06,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:59:06,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:59:06,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:59:06,945 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:59:06,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:59:06,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:59:06,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:59:06,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:59:06,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:59:06,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:59:06,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:59:06,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:59:06,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:59:06,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:59:06,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:59:06,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:59:06,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:59:06,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:59:06,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:59:06,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:59:06,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:59:06,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:59:06,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:59:06,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:59:06,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:59:06,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:59:06,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:59:06,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:59:06,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:59:06,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:59:06,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:59:06,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:59:06,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:59:06,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:59:07,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:59:07,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:59:07,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:59:07,018 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:59:07,019 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:59:07,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-ite-unsafe.bpl [2019-08-06 16:59:07,020 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-ite-unsafe.bpl' [2019-08-06 16:59:07,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:59:07,053 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:59:07,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:59:07,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:59:07,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:59:07,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:59:07,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:59:07,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:59:07,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:59:07,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:59:07" (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 [2019-08-06 16:59:07,169 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:59:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:59:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:59:07,308 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:59:07,308 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:59:07,309 INFO L202 PluginConnector]: Adding new model expr-ite-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:59:07 BoogieIcfgContainer [2019-08-06 16:59:07,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:59:07,310 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:59:07,310 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:59:07,310 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:59:07,311 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 06.08 04:59:07" (1/1) ... [2019-08-06 16:59:07,323 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:59:07,326 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:59:07,333 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-06 16:59:07,342 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:59:07,343 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-06 16:59:07,380 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:59:07,380 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:59:07,383 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)))) [2019-08-06 16:59:07,385 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:59:07,392 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:59:07,395 INFO L168 Benchmark]: Toolchain (without parser) took 341.16 ms. Allocated memory is still 135.8 MB. Free memory was 107.5 MB in the beginning and 93.0 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:07,397 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.31 ms. Allocated memory is still 135.8 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:59:07,398 INFO L168 Benchmark]: Boogie Preprocessor took 37.64 ms. Allocated memory is still 135.8 MB. Free memory was 107.3 MB in the beginning and 105.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:07,400 INFO L168 Benchmark]: RCFGBuilder took 217.45 ms. Allocated memory is still 135.8 MB. Free memory was 105.3 MB in the beginning and 96.8 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:07,401 INFO L168 Benchmark]: Symbolic Interpretation took 82.64 ms. Allocated memory is still 135.8 MB. Free memory was 96.8 MB in the beginning and 93.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:59:07,406 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 0.31 ms. Allocated memory is still 135.8 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.64 ms. Allocated memory is still 135.8 MB. Free memory was 107.3 MB in the beginning and 105.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 217.45 ms. Allocated memory is still 135.8 MB. Free memory was 105.3 MB in the beginning and 96.8 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 82.64 ms. Allocated memory is still 135.8 MB. Free memory was 96.8 MB in the beginning and 93.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...