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/deadcode/ex01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:46:05,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:46:05,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:46:05,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:46:05,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:46:05,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:46:05,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:46:05,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:46:05,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:46:05,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:46:05,811 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:46:05,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:46:05,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:46:05,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:46:05,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:46:05,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:46:05,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:46:05,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:46:05,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:46:05,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:46:05,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:46:05,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:46:05,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:46:05,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:46:05,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:46:05,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:46:05,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:46:05,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:46:05,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:46:05,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:46:05,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:46:05,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:46:05,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:46:05,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:46:05,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:46:05,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:46:05,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:46:05,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:46:05,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:46:05,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:46:05,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:46:05,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:46:05,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:46:05,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:46:05,922 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:46:05,923 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:46:05,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/deadcode/ex01.bpl [2019-08-06 16:46:05,924 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/deadcode/ex01.bpl' [2019-08-06 16:46:05,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:46:05,952 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:46:05,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:46:05,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:46:05,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:46:05,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:05" (1/1) ... [2019-08-06 16:46:05,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:05" (1/1) ... [2019-08-06 16:46:05,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:05" (1/1) ... [2019-08-06 16:46:05,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:05" (1/1) ... [2019-08-06 16:46:05,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:05" (1/1) ... [2019-08-06 16:46:05,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:05" (1/1) ... [2019-08-06 16:46:05,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:05" (1/1) ... [2019-08-06 16:46:05,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:46:05,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:46:05,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:46:05,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:46:06,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ex01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:46:05" (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 16:46:06,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:46:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:46:06,075 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:46:06,397 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:46:06,397 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:46:06,398 INFO L202 PluginConnector]: Adding new model ex01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:06 BoogieIcfgContainer [2019-08-06 16:46:06,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:46:06,399 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:46:06,399 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:46:06,399 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:46:06,400 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ex01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:46:06" (1/1) ... [2019-08-06 16:46:06,412 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:46:06,417 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:46:06,429 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-06 16:46:06,445 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:46:06,447 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-06 16:46:06,502 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:46:06,502 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:46:06,505 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 14#(and (not (= foo_LOC_ID 0)) (= 1.0 foo_x)) [2019-08-06 16:46:06,506 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:46:06,514 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:46:06,517 INFO L168 Benchmark]: Toolchain (without parser) took 564.10 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 90.7 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:06,518 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:46:06,519 INFO L168 Benchmark]: Boogie Preprocessor took 45.80 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:06,520 INFO L168 Benchmark]: RCFGBuilder took 400.21 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 95.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:06,522 INFO L168 Benchmark]: Symbolic Interpretation took 115.01 ms. Allocated memory is still 138.9 MB. Free memory was 95.4 MB in the beginning and 90.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:46:06,526 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 14]: 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 0.23 ms. Allocated memory is still 138.9 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.80 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 400.21 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 95.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 115.01 ms. Allocated memory is still 138.9 MB. Free memory was 95.4 MB in the beginning and 90.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...