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-Sheet10Ex04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:13:39,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:13:39,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:13:39,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:13:39,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:13:39,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:13:39,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:13:39,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:13:39,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:13:39,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:13:39,731 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:13:39,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:13:39,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:13:39,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:13:39,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:13:39,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:13:39,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:13:39,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:13:39,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:13:39,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:13:39,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:13:39,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:13:39,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:13:39,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:13:39,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:13:39,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:13:39,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:13:39,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:13:39,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:13:39,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:13:39,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:13:39,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:13:39,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:13:39,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:13:39,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:13:39,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:13:39,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:13:39,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:13:39,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:13:39,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:13:39,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:13:39,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:13:39,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:13:39,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:13:39,804 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:13:39,805 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:13:39,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/2019ProgVerif-Sheet10Ex04.bpl [2019-08-09 14:13:39,806 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/2019ProgVerif-Sheet10Ex04.bpl' [2019-08-09 14:13:39,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:13:39,831 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:13:39,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:13:39,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:13:39,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:13:39,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:39" (1/1) ... [2019-08-09 14:13:39,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:39" (1/1) ... [2019-08-09 14:13:39,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:39" (1/1) ... [2019-08-09 14:13:39,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:39" (1/1) ... [2019-08-09 14:13:39,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:39" (1/1) ... [2019-08-09 14:13:39,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:39" (1/1) ... [2019-08-09 14:13:39,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:39" (1/1) ... [2019-08-09 14:13:39,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:13:39,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:13:39,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:13:39,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:13:39,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:13:39" (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 14:13:39,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-09 14:13:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 14:13:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 14:13:40,025 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-09 14:13:40,137 INFO L275 CfgBuilder]: Using library mode [2019-08-09 14:13:40,137 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:13:40,139 INFO L202 PluginConnector]: Adding new model 2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:40 BoogieIcfgContainer [2019-08-09 14:13:40,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:13:40,140 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:13:40,140 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:13:40,141 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:13:40,142 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:13:40" (1/1) ... [2019-08-09 14:13:40,340 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:13:40,348 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:13:40,351 INFO L168 Benchmark]: Toolchain (without parser) took 518.22 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 93.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:40,352 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 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. [2019-08-09 14:13:40,354 INFO L168 Benchmark]: Boogie Preprocessor took 45.69 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 107.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:40,355 INFO L168 Benchmark]: RCFGBuilder took 261.05 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 98.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:40,356 INFO L168 Benchmark]: Symbolic Interpretation took 208.14 ms. Allocated memory is still 133.7 MB. Free memory was 98.4 MB in the beginning and 93.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:13:40,361 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 18]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 33#(and (= main_j main_i) (not (= main_y main_x)) (or (not (= (+ main_x 1) 0)) (and (= main_j main_y) (= main_i main_x)))). Possible FailurePath: - 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 (= main_j main_i) (= main_x 0) (not (= main_y 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 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 45.69 ms. Allocated memory is still 133.7 MB. Free memory was 110.1 MB in the beginning and 107.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 261.05 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 98.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 208.14 ms. Allocated memory is still 133.7 MB. Free memory was 98.4 MB in the beginning and 93.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...