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-b03553c [2019-08-05 18:12:12,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:12,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:12,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:12,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:12,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:12,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:12,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:12,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:12,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:12,536 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:12,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:12,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:12,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:12,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:12,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:12,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:12,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:12,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:12,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:12,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:12,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:12,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:12,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:12,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:12,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:12,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:12,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:12,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:12,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:12,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:12,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:12,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:12,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:12,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:12,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:12,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:12,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:12,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:12,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:12,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:12,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:12,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:12,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:12,608 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:12,609 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:12,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/2019ProgVerif-Sheet12Ex05-SelectionSort.bpl [2019-08-05 18:12:12,610 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/2019ProgVerif-Sheet12Ex05-SelectionSort.bpl' [2019-08-05 18:12:12,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:12,645 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:12,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:12,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:12,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:12,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:12" (1/1) ... [2019-08-05 18:12:12,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:12" (1/1) ... [2019-08-05 18:12:12,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:12" (1/1) ... [2019-08-05 18:12:12,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:12" (1/1) ... [2019-08-05 18:12:12,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:12" (1/1) ... [2019-08-05 18:12:12,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:12" (1/1) ... [2019-08-05 18:12:12,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:12" (1/1) ... [2019-08-05 18:12:12,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:12,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:12,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:12,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:12,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:12" (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 [2019-08-05 18:12:12,771 INFO L124 BoogieDeclarations]: Specification and implementation of procedure SelectionSort given in one single declaration [2019-08-05 18:12:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure SelectionSort [2019-08-05 18:12:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure SelectionSort [2019-08-05 18:12:12,846 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 18:12:13,167 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:13,168 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:12:13,169 INFO L202 PluginConnector]: Adding new model 2019ProgVerif-Sheet12Ex05-SelectionSort.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:13 BoogieIcfgContainer [2019-08-05 18:12:13,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:13,170 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:13,170 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:13,170 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:13,171 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 05.08 06:12:13" (1/1) ... [2019-08-05 18:12:13,183 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:13,186 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:13,193 INFO L160 IcfgInterpreter]: Initial procedures are [SelectionSort] [2019-08-05 18:12:13,209 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:13,213 INFO L185 IcfgInterpreter]: Interpreting procedure SelectionSort with input of size 1 [2019-08-05 18:12:13,407 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:13,407 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:13,411 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))) [2019-08-05 18:12:13,412 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:13,418 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:13,421 INFO L168 Benchmark]: Toolchain (without parser) took 774.76 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 88.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:13,422 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 18:12:13,423 INFO L168 Benchmark]: Boogie Preprocessor took 43.77 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 107.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:13,425 INFO L168 Benchmark]: RCFGBuilder took 479.21 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 96.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:13,426 INFO L168 Benchmark]: Symbolic Interpretation took 248.63 ms. Allocated memory is still 133.7 MB. Free memory was 96.1 MB in the beginning and 88.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:13,430 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 133.7 MB. Free memory was 111.3 MB in the beginning and 111.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.77 ms. Allocated memory is still 133.7 MB. Free memory was 109.9 MB in the beginning and 107.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 479.21 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 96.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 248.63 ms. Allocated memory is still 133.7 MB. Free memory was 96.1 MB in the beginning and 88.6 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...