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 0.1.24-3b9210c [2019-08-06 16:54:21,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:21,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:21,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:21,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:21,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:21,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:21,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:21,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:21,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:21,826 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:21,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:21,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:21,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:21,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:21,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:21,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:21,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:21,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:21,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:21,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:21,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:21,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:21,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:21,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-06 16:54:21,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:21,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:21,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:21,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:21,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:21,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:21,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:21,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:21,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:21,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:21,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:21,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:21,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:21,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:21,928 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:21,928 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:21,929 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/2019ProgVerif-Sheet12Ex05-SelectionSort.bpl [2019-08-06 16:54:21,929 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/2019ProgVerif-Sheet12Ex05-SelectionSort.bpl' [2019-08-06 16:54:21,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:21,960 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:21,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:21,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:21,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:21,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:21" (1/1) ... [2019-08-06 16:54:21,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:21" (1/1) ... [2019-08-06 16:54:21,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:21" (1/1) ... [2019-08-06 16:54:21,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:21" (1/1) ... [2019-08-06 16:54:21,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:21" (1/1) ... [2019-08-06 16:54:22,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:21" (1/1) ... [2019-08-06 16:54:22,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:21" (1/1) ... [2019-08-06 16:54:22,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:22,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:22,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:22,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:22,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:21" (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 16:54:22,076 INFO L124 BoogieDeclarations]: Specification and implementation of procedure SelectionSort given in one single declaration [2019-08-06 16:54:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure SelectionSort [2019-08-06 16:54:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure SelectionSort [2019-08-06 16:54:22,156 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-06 16:54:22,467 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:22,467 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:54:22,470 INFO L202 PluginConnector]: Adding new model 2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:22 BoogieIcfgContainer [2019-08-06 16:54:22,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:22,471 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:22,471 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:22,471 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:22,473 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 06.08 04:54:22" (1/1) ... [2019-08-06 16:54:22,486 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:54:22,491 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:22,501 INFO L160 IcfgInterpreter]: Initial procedures are [SelectionSort] [2019-08-06 16:54:22,509 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:22,511 INFO L185 IcfgInterpreter]: Interpreting procedure SelectionSort with input of size 1 [2019-08-06 16:54:22,691 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:22,692 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:22,695 INFO L179 IcfgInterpreter]: Location SelectionSortErr0ENSURES_VIOLATIONPOST_CONDITION has predicate 49#(and (exists ((v_skolemized_qi2_2 Int) (v_skolemized_qi1_2 Int)) (and (<= SelectionSort_lo v_skolemized_qi1_2) (<= v_skolemized_qi1_2 v_skolemized_qi2_2) (not (<= (select SelectionSort_ar v_skolemized_qi1_2) (select SelectionSort_ar v_skolemized_qi2_2))) (<= v_skolemized_qi2_2 SelectionSort_hi))) (not (<= SelectionSort_k SelectionSort_hi)) (exists ((v_SelectionSort_ar_16 (Array Int Int))) (and (= SelectionSort_ar (store (store v_SelectionSort_ar_16 (+ SelectionSort_k (- 1)) (select v_SelectionSort_ar_16 SelectionSort_min)) SelectionSort_min SelectionSort_tmp)) (or (and (exists ((v_SelectionSort_min_20 Int)) (< (select v_SelectionSort_ar_16 (+ SelectionSort_i (- 1))) (select v_SelectionSort_ar_16 v_SelectionSort_min_20))) (= (+ SelectionSort_i (- 1)) SelectionSort_min)) (<= (select v_SelectionSort_ar_16 SelectionSort_min) (select v_SelectionSort_ar_16 (+ SelectionSort_i (- 1))))) (= (select v_SelectionSort_ar_16 (+ SelectionSort_k (- 1))) SelectionSort_tmp))) (not (<= SelectionSort_i SelectionSort_hi)) (<= SelectionSort_i (+ SelectionSort_hi 1))) [2019-08-06 16:54:22,696 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:22,703 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:22,706 INFO L168 Benchmark]: Toolchain (without parser) took 744.51 ms. Allocated memory is still 134.2 MB. Free memory was 109.4 MB in the beginning and 87.2 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:22,707 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory is still 110.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:54:22,708 INFO L168 Benchmark]: Boogie Preprocessor took 44.22 ms. Allocated memory is still 134.2 MB. Free memory was 109.0 MB in the beginning and 107.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:22,710 INFO L168 Benchmark]: RCFGBuilder took 464.98 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 94.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:22,711 INFO L168 Benchmark]: Symbolic Interpretation took 232.56 ms. Allocated memory is still 134.2 MB. Free memory was 94.8 MB in the beginning and 87.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:22,715 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 0.21 ms. Allocated memory is still 134.2 MB. Free memory is still 110.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.22 ms. Allocated memory is still 134.2 MB. Free memory was 109.0 MB in the beginning and 107.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 464.98 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 94.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 232.56 ms. Allocated memory is still 134.2 MB. Free memory was 94.8 MB in the beginning and 87.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...