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/InvariantSum-2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:11,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:11,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:11,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:11,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:11,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:11,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:11,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:11,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:11,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:11,637 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:11,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:11,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:11,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:11,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:11,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:11,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:11,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:11,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:11,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:11,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:11,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:11,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:11,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:11,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:11,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:11,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:11,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:11,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:11,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:11,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:11,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:11,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:11,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:11,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:11,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:11,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:11,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:11,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:11,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:11,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:11,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:11,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:11,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:11,776 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:11,776 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:11,777 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSum-2.bpl [2019-08-06 16:55:11,778 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSum-2.bpl' [2019-08-06 16:55:11,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:11,821 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:11,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:11,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:11,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:11,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:11" (1/1) ... [2019-08-06 16:55:11,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:11" (1/1) ... [2019-08-06 16:55:11,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:11" (1/1) ... [2019-08-06 16:55:11,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:11" (1/1) ... [2019-08-06 16:55:11,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:11" (1/1) ... [2019-08-06 16:55:11,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:11" (1/1) ... [2019-08-06 16:55:11,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:11" (1/1) ... [2019-08-06 16:55:11,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:11,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:11,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:11,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:11,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:11" (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 16:55:11,949 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:55:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:55:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:55:12,370 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:12,371 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:55:12,372 INFO L202 PluginConnector]: Adding new model InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:12 BoogieIcfgContainer [2019-08-06 16:55:12,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:12,373 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:12,373 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:12,374 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:12,375 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:12" (1/1) ... [2019-08-06 16:55:12,387 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:55:12,390 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:12,400 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:55:12,410 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:12,412 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:55:12,544 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:12,545 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:12,548 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 23#(and (not (= main_n (+ main_z main_y))) (= main_x 0) (exists ((v_main_x_26 Int) (v_main_y_28 Int) (v_main_z_30 Int) (v_main_x_20 Int) (v_main_y_22 Int) (v_main_z_24 Int)) (and (not (= 0 v_main_x_26)) (or (and (= (+ v_main_x_26 1) v_main_x_20) (= (+ v_main_y_28 (- 1)) v_main_y_22)) (and (= v_main_x_26 v_main_x_20) (= v_main_y_28 v_main_y_22))) (or (and (= main_z (+ v_main_z_24 1)) (= main_x (+ v_main_x_20 (- 1)))) (and (= main_z v_main_z_24) (= main_x v_main_x_20))) (or (and (= v_main_z_24 v_main_z_30) (= main_y v_main_y_22)) (and (= main_y (+ v_main_y_22 1)) (= v_main_z_24 (+ v_main_z_30 (- 1)))))))) [2019-08-06 16:55:12,549 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:12,557 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:12,560 INFO L168 Benchmark]: Toolchain (without parser) took 738.22 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 87.5 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:12,561 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:55:12,562 INFO L168 Benchmark]: Boogie Preprocessor took 50.20 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 106.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:12,563 INFO L168 Benchmark]: RCFGBuilder took 500.46 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 93.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:12,564 INFO L168 Benchmark]: Symbolic Interpretation took 183.62 ms. Allocated memory is still 140.5 MB. Free memory was 93.1 MB in the beginning and 87.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:12,568 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 23]: Unable to prove that assertion always holds Unable to prove that assertion 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 0.27 ms. Allocated memory is still 140.5 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.20 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 106.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 500.46 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 93.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 183.62 ms. Allocated memory is still 140.5 MB. Free memory was 93.1 MB in the beginning and 87.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...