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/StepwiseAddition.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:44,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:44,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:44,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:44,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:44,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:44,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:44,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:44,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:44,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:44,098 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:44,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:44,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:44,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:44,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:44,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:44,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:44,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:44,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:44,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:44,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:44,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:44,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:44,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:44,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:44,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:44,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:44,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:44,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:44,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:44,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:44,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:44,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:44,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:44,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:44,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:44,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:44,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:44,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:44,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:44,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:44,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:44,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:44,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:44,176 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:44,178 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:44,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/StepwiseAddition.bpl [2019-08-06 16:55:44,179 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/StepwiseAddition.bpl' [2019-08-06 16:55:44,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:44,216 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:44,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:44,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:44,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:44,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:44" (1/1) ... [2019-08-06 16:55:44,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:44" (1/1) ... [2019-08-06 16:55:44,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:44" (1/1) ... [2019-08-06 16:55:44,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:44" (1/1) ... [2019-08-06 16:55:44,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:44" (1/1) ... [2019-08-06 16:55:44,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:44" (1/1) ... [2019-08-06 16:55:44,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:44" (1/1) ... [2019-08-06 16:55:44,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:44,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:44,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:44,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:44,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:44" (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 16:55:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure StepwiseAddition [2019-08-06 16:55:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure StepwiseAddition [2019-08-06 16:55:44,412 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:55:44,585 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:44,585 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:44,586 INFO L202 PluginConnector]: Adding new model StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:44 BoogieIcfgContainer [2019-08-06 16:55:44,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:44,587 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:44,587 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:44,587 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:44,588 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:44" (1/1) ... [2019-08-06 16:55:44,599 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:44,602 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:44,608 INFO L160 IcfgInterpreter]: Initial procedures are [StepwiseAddition] [2019-08-06 16:55:44,616 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:44,617 INFO L185 IcfgInterpreter]: Interpreting procedure StepwiseAddition with input of size 1 [2019-08-06 16:55:44,743 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:44,744 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:44,747 INFO L179 IcfgInterpreter]: Location StepwiseAdditionErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 27#(and (not (= StepwiseAddition_z (+ StepwiseAddition_y StepwiseAddition_x))) (= StepwiseAddition_i 0) (not (= (+ StepwiseAddition_j 1) 0)) (= StepwiseAddition_j 0) (not (= (+ StepwiseAddition_i 1) 0))) [2019-08-06 16:55:44,748 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:44,755 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:44,758 INFO L168 Benchmark]: Toolchain (without parser) took 541.47 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 91.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:44,759 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:55:44,760 INFO L168 Benchmark]: Boogie Preprocessor took 49.47 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:44,761 INFO L168 Benchmark]: RCFGBuilder took 320.41 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 96.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:44,763 INFO L168 Benchmark]: Symbolic Interpretation took 168.20 ms. Allocated memory is still 132.1 MB. Free memory was 96.4 MB in the beginning and 91.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:44,766 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 11]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition 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 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.47 ms. Allocated memory is still 132.1 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 320.41 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 96.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 168.20 ms. Allocated memory is still 132.1 MB. Free memory was 96.4 MB in the beginning and 91.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...