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/INT_FlaggedConditionalEx2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:55:10,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:55:10,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:55:10,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:55:10,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:55:10,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:55:10,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:55:10,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:55:10,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:55:10,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:55:10,552 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:55:10,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:55:10,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:55:10,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:55:10,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:55:10,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:55:10,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:55:10,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:55:10,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:55:10,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:55:10,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:55:10,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:55:10,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:55:10,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:55:10,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:55:10,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:55:10,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:55:10,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:55:10,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:55:10,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:55:10,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:55:10,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:55:10,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:55:10,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:55:10,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:55:10,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:55:10,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:55:10,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:55:10,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:55:10,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:55:10,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:55:10,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:55:10,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:55:10,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:55:10,670 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:55:10,671 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:55:10,672 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/INT_FlaggedConditionalEx2.bpl [2019-08-06 16:55:10,672 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/INT_FlaggedConditionalEx2.bpl' [2019-08-06 16:55:10,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:55:10,710 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:55:10,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:55:10,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:55:10,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:55:10,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:10" (1/1) ... [2019-08-06 16:55:10,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:10" (1/1) ... [2019-08-06 16:55:10,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:10" (1/1) ... [2019-08-06 16:55:10,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:10" (1/1) ... [2019-08-06 16:55:10,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:10" (1/1) ... [2019-08-06 16:55:10,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:10" (1/1) ... [2019-08-06 16:55:10,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:10" (1/1) ... [2019-08-06 16:55:10,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:55:10,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:55:10,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:55:10,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:55:10,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:55:10" (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 16:55:10,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:55:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:55:10,818 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:55:11,262 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:55:11,262 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:55:11,264 INFO L202 PluginConnector]: Adding new model INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:11 BoogieIcfgContainer [2019-08-06 16:55:11,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:55:11,264 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:55:11,265 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:55:11,265 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:55:11,266 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:55:11" (1/1) ... [2019-08-06 16:55:11,277 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:55:11,280 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:55:11,286 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-06 16:55:11,295 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:55:11,296 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-06 16:55:11,683 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:55:11,683 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:55:11,687 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 135#(and (or foo_flag (not (= 10 foo_y)) (not (= 0 foo_x))) (or (not (= 10 foo_x)) (not (= 0 foo_y)) (not foo_flag))) [2019-08-06 16:55:11,687 INFO L179 IcfgInterpreter]: Location fooErr1ASSERT_VIOLATIONASSERT has predicate 132#(and (not (= 0 foo_y)) (or (and (= 10 foo_y) (not foo_flag) (= 0 foo_x)) (and foo_flag (= 0 foo_y) (= 10 foo_x))) (not (= 0 foo_x))) [2019-08-06 16:55:11,689 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:55:11,696 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:55:11,699 INFO L168 Benchmark]: Toolchain (without parser) took 988.66 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 84.4 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:11,700 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:55:11,702 INFO L168 Benchmark]: Boogie Preprocessor took 40.95 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 106.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:11,703 INFO L168 Benchmark]: RCFGBuilder took 512.42 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 96.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:11,704 INFO L168 Benchmark]: Symbolic Interpretation took 432.17 ms. Allocated memory is still 132.6 MB. Free memory was 96.2 MB in the beginning and 84.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:55:11,709 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.. Possible FailurePath: - UnprovableResult [Line: 38]: 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 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.95 ms. Allocated memory is still 132.6 MB. Free memory was 109.0 MB in the beginning and 106.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 512.42 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 96.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 432.17 ms. Allocated memory is still 132.6 MB. Free memory was 96.2 MB in the beginning and 84.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...