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/recursive/regression/bpl/CTL/encT_TRE.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:57:52,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:57:52,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:57:52,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:57:52,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:57:52,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:57:52,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:57:52,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:57:52,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:57:52,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:57:52,737 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:57:52,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:57:52,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:57:52,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:57:52,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:57:52,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:57:52,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:57:52,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:57:52,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:57:52,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:57:52,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:57:52,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:57:52,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:57:52,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:57:52,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:57:52,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:57:52,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:57:52,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:57:52,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:57:52,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:57:52,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:57:52,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:57:52,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:57:52,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:57:52,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:57:52,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:57:52,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:57:52,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:57:52,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:57:52,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:57:52,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:57:52,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:57:52,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:57:52,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:57:52,832 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:57:52,833 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:57:52,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/CTL/encT_TRE.bpl [2019-08-06 16:57:52,834 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/CTL/encT_TRE.bpl' [2019-08-06 16:57:52,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:57:52,873 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:57:52,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:57:52,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:57:52,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:57:52,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "encT_TRE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:52" (1/1) ... [2019-08-06 16:57:52,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "encT_TRE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:52" (1/1) ... [2019-08-06 16:57:52,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "encT_TRE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:52" (1/1) ... [2019-08-06 16:57:52,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "encT_TRE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:52" (1/1) ... [2019-08-06 16:57:52,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "encT_TRE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:52" (1/1) ... [2019-08-06 16:57:52,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "encT_TRE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:52" (1/1) ... [2019-08-06 16:57:52,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "encT_TRE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:52" (1/1) ... [2019-08-06 16:57:52,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:57:52,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:57:52,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:57:52,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:57:52,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "encT_TRE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:57:52" (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 16:57:53,008 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Test given in one single declaration [2019-08-06 16:57:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure Test [2019-08-06 16:57:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure Test [2019-08-06 16:57:53,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encT given in one single declaration [2019-08-06 16:57:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure encT [2019-08-06 16:57:53,010 INFO L138 BoogieDeclarations]: Found implementation of procedure encT [2019-08-06 16:57:53,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encLT given in one single declaration [2019-08-06 16:57:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure encLT [2019-08-06 16:57:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure encLT [2019-08-06 16:57:53,011 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encLLT given in one single declaration [2019-08-06 16:57:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure encLLT [2019-08-06 16:57:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure encLLT [2019-08-06 16:57:53,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure encRLT given in one single declaration [2019-08-06 16:57:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure encRLT [2019-08-06 16:57:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure encRLT [2019-08-06 16:57:53,611 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:57:53,612 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:57:53,613 INFO L202 PluginConnector]: Adding new model encT_TRE.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:53 BoogieIcfgContainer [2019-08-06 16:57:53,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:57:53,614 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:57:53,614 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:57:53,615 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:57:53,616 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "encT_TRE.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:57:53" (1/1) ... [2019-08-06 16:57:53,632 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:57:53,635 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:57:53,651 INFO L160 IcfgInterpreter]: Initial procedures are [Test] [2019-08-06 16:57:53,659 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:57:53,660 INFO L185 IcfgInterpreter]: Interpreting procedure Test with input of size 1 [2019-08-06 16:57:54,158 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:57:54,158 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:57:54,160 INFO L179 IcfgInterpreter]: Location TestErr0ASSERT_VIOLATIONASSERT has predicate 212#(and (not Test_ret) (= Test_x 1) (or (and (not Test_ret) (exists ((v_encT_ret_BEFORE_RETURN_1 Bool)) (not v_encT_ret_BEFORE_RETURN_1))) (and Test_ret (exists ((v_encT_ret_BEFORE_RETURN_1 Bool)) v_encT_ret_BEFORE_RETURN_1)))) [2019-08-06 16:57:54,162 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:57:54,171 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:57:54,175 INFO L168 Benchmark]: Toolchain (without parser) took 1300.12 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 108.0 MB in the beginning and 143.6 MB in the end (delta: -35.6 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:54,177 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:57:54,178 INFO L168 Benchmark]: Boogie Preprocessor took 56.49 ms. Allocated memory is still 141.0 MB. Free memory was 108.0 MB in the beginning and 105.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:54,179 INFO L168 Benchmark]: RCFGBuilder took 683.69 ms. Allocated memory is still 141.0 MB. Free memory was 105.6 MB in the beginning and 88.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:54,181 INFO L168 Benchmark]: Symbolic Interpretation took 556.70 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 88.5 MB in the beginning and 143.6 MB in the end (delta: -55.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:57:54,186 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.49 ms. Allocated memory is still 141.0 MB. Free memory was 108.0 MB in the beginning and 105.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 683.69 ms. Allocated memory is still 141.0 MB. Free memory was 105.6 MB in the beginning and 88.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 556.70 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 88.5 MB in the beginning and 143.6 MB in the end (delta: -55.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...