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/InvariantChecking/showcase/2019ProgVerif-Sheet12Ex05-SelectionSort.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:13:36,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:13:36,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:13:36,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:13:36,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:13:36,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:13:36,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:13:36,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:13:36,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:13:36,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:13:36,290 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:13:36,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:13:36,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:13:36,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:13:36,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:13:36,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:13:36,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:13:36,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:13:36,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:13:36,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:13:36,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:13:36,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:13:36,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:13:36,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:13:36,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:13:36,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:13:36,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:13:36,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:13:36,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:13:36,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:13:36,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:13:36,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:13:36,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:13:36,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:13:36,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:13:36,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:13:36,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:13:36,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:13:36,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:13:36,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:13:36,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:13:36,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:13:36,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:13:36,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:13:36,402 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:13:36,402 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:13:36,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/2019ProgVerif-Sheet12Ex05-SelectionSort.bpl [2019-08-09 14:13:36,403 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/2019ProgVerif-Sheet12Ex05-SelectionSort.bpl' [2019-08-09 14:13:36,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:13:36,444 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:13:36,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:13:36,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:13:36,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:13:36,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:36" (1/1) ... [2019-08-09 14:13:36,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:36" (1/1) ... [2019-08-09 14:13:36,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:36" (1/1) ... [2019-08-09 14:13:36,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:36" (1/1) ... [2019-08-09 14:13:36,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:36" (1/1) ... [2019-08-09 14:13:36,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:36" (1/1) ... [2019-08-09 14:13:36,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:36" (1/1) ... [2019-08-09 14:13:36,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:13:36,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:13:36,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:13:36,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:13:36,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:36" (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 14:13:36,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure SelectionSort given in one single declaration [2019-08-09 14:13:36,566 INFO L130 BoogieDeclarations]: Found specification of procedure SelectionSort [2019-08-09 14:13:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure SelectionSort [2019-08-09 14:13:36,638 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-09 14:13:36,856 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:13:36,856 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:13:36,858 INFO L202 PluginConnector]: Adding new model 2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:36 BoogieIcfgContainer [2019-08-09 14:13:36,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:13:36,858 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:13:36,859 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:13:36,859 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:13:36,860 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:36" (1/1) ... [2019-08-09 14:13:37,288 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:13:37,297 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:13:37,299 INFO L168 Benchmark]: Toolchain (without parser) took 854.16 ms. Allocated memory is still 134.7 MB. Free memory was 106.7 MB in the beginning and 71.6 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:37,303 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:13:37,304 INFO L168 Benchmark]: Boogie Preprocessor took 38.53 ms. Allocated memory is still 134.7 MB. Free memory was 106.7 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:37,307 INFO L168 Benchmark]: RCFGBuilder took 374.22 ms. Allocated memory is still 134.7 MB. Free memory was 104.4 MB in the beginning and 92.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:37,308 INFO L168 Benchmark]: Symbolic Interpretation took 438.43 ms. Allocated memory is still 134.7 MB. Free memory was 92.2 MB in the beginning and 71.6 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:37,314 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 47#(exists ((v_skolemized_qi2_2 Int) (v_skolemized_qi1_2 Int)) (or (and (<= SelectionSort_lo v_skolemized_qi1_2) (= SelectionSort_tmp (select SelectionSort_ar SelectionSort_min)) (not (<= SelectionSort_k SelectionSort_hi)) (<= v_skolemized_qi1_2 v_skolemized_qi2_2) (not (<= SelectionSort_i SelectionSort_hi)) (not (<= (select SelectionSort_ar v_skolemized_qi1_2) (select SelectionSort_ar v_skolemized_qi2_2))) (<= v_skolemized_qi2_2 SelectionSort_hi)) (and (<= SelectionSort_lo v_skolemized_qi1_2) (not (<= SelectionSort_k SelectionSort_hi)) (<= v_skolemized_qi1_2 v_skolemized_qi2_2) (<= SelectionSort_lo SelectionSort_hi) (= SelectionSort_ar SelectionSort_a) (not (<= (select SelectionSort_ar v_skolemized_qi1_2) (select SelectionSort_ar v_skolemized_qi2_2))) (= SelectionSort_k SelectionSort_lo) (<= v_skolemized_qi2_2 SelectionSort_hi)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.53 ms. Allocated memory is still 134.7 MB. Free memory was 106.7 MB in the beginning and 104.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 374.22 ms. Allocated memory is still 134.7 MB. Free memory was 104.4 MB in the beginning and 92.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 438.43 ms. Allocated memory is still 134.7 MB. Free memory was 92.2 MB in the beginning and 71.6 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...