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/UnsatCoreUseful01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:12:40,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:40,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:40,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:40,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:40,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:40,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:40,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:40,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:40,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:40,668 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:40,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:40,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:40,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:40,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:40,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:40,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:40,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:40,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:40,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:40,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:40,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:40,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:40,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:40,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:40,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:40,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:40,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:40,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:40,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:40,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:40,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:40,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:40,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:40,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:40,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:40,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:40,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:40,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:40,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:40,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:40,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:40,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:40,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:40,780 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:40,780 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:40,782 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/UnsatCoreUseful01.bpl [2019-08-05 18:12:40,783 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/UnsatCoreUseful01.bpl' [2019-08-05 18:12:40,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:40,817 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:40,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:40,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:40,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:40,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:40" (1/1) ... [2019-08-05 18:12:40,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:40" (1/1) ... [2019-08-05 18:12:40,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:40" (1/1) ... [2019-08-05 18:12:40,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:40" (1/1) ... [2019-08-05 18:12:40,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:40" (1/1) ... [2019-08-05 18:12:40,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:40" (1/1) ... [2019-08-05 18:12:40,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:40" (1/1) ... [2019-08-05 18:12:40,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:40,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:40,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:40,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:40,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:40" (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 18:12:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 18:12:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 18:12:41,005 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 18:12:41,140 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:41,140 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:12:41,141 INFO L202 PluginConnector]: Adding new model UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:41 BoogieIcfgContainer [2019-08-05 18:12:41,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:41,142 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:41,142 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:41,142 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:41,143 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "UnsatCoreUseful01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:41" (1/1) ... [2019-08-05 18:12:41,154 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:12:41,157 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:41,164 INFO L160 IcfgInterpreter]: Initial procedures are [Main] [2019-08-05 18:12:41,172 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:41,174 INFO L185 IcfgInterpreter]: Interpreting procedure Main with input of size 1 [2019-08-05 18:12:41,256 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:41,256 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:41,259 INFO L179 IcfgInterpreter]: Location MainErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (not (< Main_x Main_z)) (not (= Main_y 0)) (< Main_x (+ Main_z 1))) [2019-08-05 18:12:41,260 INFO L179 IcfgInterpreter]: Location MainErr1ASSERT_VIOLATIONASSERT has predicate 24#(and (not (< Main_x Main_z)) (= Main_y 0) (not (<= 0 Main_x)) (< Main_x (+ Main_z 1))) [2019-08-05 18:12:41,261 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:41,268 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:41,271 INFO L168 Benchmark]: Toolchain (without parser) took 452.97 ms. Allocated memory is still 134.7 MB. Free memory was 111.3 MB in the beginning and 94.1 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:41,273 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 134.7 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:12:41,274 INFO L168 Benchmark]: Boogie Preprocessor took 47.84 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 109.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:41,276 INFO L168 Benchmark]: RCFGBuilder took 274.80 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 99.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:41,277 INFO L168 Benchmark]: Symbolic Interpretation took 127.06 ms. Allocated memory is still 134.7 MB. Free memory was 99.2 MB in the beginning and 94.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:41,281 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 31]: 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: - UnprovableResult [Line: 32]: 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 0.26 ms. Allocated memory is still 134.7 MB. Free memory was 112.3 MB in the beginning and 112.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.84 ms. Allocated memory is still 134.7 MB. Free memory was 111.1 MB in the beginning and 109.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 274.80 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 99.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 127.06 ms. Allocated memory is still 134.7 MB. Free memory was 99.2 MB in the beginning and 94.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...