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 0.1.24-4ddfff8 [2019-08-09 14:14:38,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:14:38,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:14:38,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:14:38,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:14:38,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:14:38,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:14:38,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:14:38,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:14:38,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:14:38,363 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:14:38,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:14:38,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:14:38,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:14:38,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:14:38,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:14:38,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:14:38,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:14:38,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:14:38,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:14:38,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:14:38,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:14:38,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:14:38,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:14:38,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:14:38,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:14:38,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:14:38,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:14:38,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:14:38,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:14:38,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:14:38,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:14:38,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:14:38,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:14:38,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:14:38,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:14:38,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:14:38,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:14:38,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:14:38,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:14:38,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:14:38,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:14:38,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:14:38,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:14:38,466 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:14:38,466 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:14:38,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/StepwiseAddition.bpl [2019-08-09 14:14:38,467 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/StepwiseAddition.bpl' [2019-08-09 14:14:38,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:14:38,495 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:14:38,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:14:38,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:14:38,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:14:38,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:38" (1/1) ... [2019-08-09 14:14:38,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:38" (1/1) ... [2019-08-09 14:14:38,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:38" (1/1) ... [2019-08-09 14:14:38,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:38" (1/1) ... [2019-08-09 14:14:38,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:38" (1/1) ... [2019-08-09 14:14:38,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:38" (1/1) ... [2019-08-09 14:14:38,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:38" (1/1) ... [2019-08-09 14:14:38,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:14:38,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:14:38,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:14:38,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:14:38,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:14:38" (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 [2019-08-09 14:14:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure StepwiseAddition [2019-08-09 14:14:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure StepwiseAddition [2019-08-09 14:14:38,678 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-09 14:14:38,784 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:14:38,784 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:14:38,785 INFO L202 PluginConnector]: Adding new model StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:38 BoogieIcfgContainer [2019-08-09 14:14:38,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:14:38,786 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:14:38,787 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:14:38,787 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:14:38,788 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "StepwiseAddition.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:14:38" (1/1) ... [2019-08-09 14:14:38,957 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:14:38,964 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:14:38,967 INFO L168 Benchmark]: Toolchain (without parser) took 471.17 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 91.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:38,969 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:14:38,970 INFO L168 Benchmark]: Boogie Preprocessor took 44.03 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:38,971 INFO L168 Benchmark]: RCFGBuilder took 246.27 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 97.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:38,973 INFO L168 Benchmark]: Symbolic Interpretation took 178.07 ms. Allocated memory is still 140.5 MB. Free memory was 96.8 MB in the beginning and 91.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:14:38,977 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. Predicate is 27#(and (not (= StepwiseAddition_z (+ StepwiseAddition_y StepwiseAddition_x))) (= StepwiseAddition_i 0) (= StepwiseAddition_j 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.03 ms. Allocated memory is still 140.5 MB. Free memory was 108.9 MB in the beginning and 106.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 246.27 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 97.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 178.07 ms. Allocated memory is still 140.5 MB. Free memory was 96.8 MB in the beginning and 91.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...