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/UselessIncrement.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:54:02,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:02,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:02,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:02,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:02,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:02,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:02,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:02,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:02,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:02,269 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:02,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:02,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:02,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:02,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:02,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:02,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:02,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:02,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:02,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:02,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:02,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:02,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:02,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:02,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:02,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:02,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:02,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:02,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:02,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:02,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:02,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:02,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:02,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:02,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:02,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:02,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:02,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:02,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:02,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:02,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:02,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:02,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:02,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:02,352 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:02,355 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:02,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/UselessIncrement.bpl [2019-08-06 16:54:02,356 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/UselessIncrement.bpl' [2019-08-06 16:54:02,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:02,398 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:02,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:02,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:02,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:02,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "UselessIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:02" (1/1) ... [2019-08-06 16:54:02,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "UselessIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:02" (1/1) ... [2019-08-06 16:54:02,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "UselessIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:02" (1/1) ... [2019-08-06 16:54:02,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "UselessIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:02" (1/1) ... [2019-08-06 16:54:02,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "UselessIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:02" (1/1) ... [2019-08-06 16:54:02,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "UselessIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:02" (1/1) ... [2019-08-06 16:54:02,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "UselessIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:02" (1/1) ... [2019-08-06 16:54:02,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:02,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:02,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:02,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:02,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "UselessIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:02" (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 16:54:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure UselessIncrement [2019-08-06 16:54:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure UselessIncrement [2019-08-06 16:54:02,606 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:54:02,769 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:02,770 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:54:02,771 INFO L202 PluginConnector]: Adding new model UselessIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:02 BoogieIcfgContainer [2019-08-06 16:54:02,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:02,771 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:02,772 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:02,772 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:02,773 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "UselessIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:02" (1/1) ... [2019-08-06 16:54:02,784 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:02,787 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:02,794 INFO L160 IcfgInterpreter]: Initial procedures are [UselessIncrement] [2019-08-06 16:54:02,802 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:02,804 INFO L185 IcfgInterpreter]: Interpreting procedure UselessIncrement with input of size 1 [2019-08-06 16:54:02,999 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:02,999 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:03,008 INFO L179 IcfgInterpreter]: Location UselessIncrementErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 58#(and (= UselessIncrement_z 23) (= UselessIncrement_i 0) (= (+ UselessIncrement_y UselessIncrement_x) UselessIncrement_z) (not (= 0 (+ UselessIncrement_i 1)))) [2019-08-06 16:54:03,009 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:03,024 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:03,028 INFO L168 Benchmark]: Toolchain (without parser) took 628.22 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 89.8 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:03,028 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:54:03,030 INFO L168 Benchmark]: Boogie Preprocessor took 55.18 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 106.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:03,031 INFO L168 Benchmark]: RCFGBuilder took 316.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 96.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:03,032 INFO L168 Benchmark]: Symbolic Interpretation took 253.24 ms. Allocated memory is still 132.1 MB. Free memory was 96.2 MB in the beginning and 90.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:03,037 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9]: 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 0.25 ms. Allocated memory is still 132.1 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.18 ms. Allocated memory is still 132.1 MB. Free memory was 108.5 MB in the beginning and 106.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 316.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 96.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 253.24 ms. Allocated memory is still 132.1 MB. Free memory was 96.2 MB in the beginning and 90.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...