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-b03553c [2019-08-05 18:12:36,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:36,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:36,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:36,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:36,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:36,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:36,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:36,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:36,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:36,584 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:36,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:36,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:36,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:36,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:36,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:36,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:36,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:36,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:36,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:36,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:36,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:36,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:36,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:36,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:36,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:36,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:36,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:36,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:36,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:36,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:36,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:36,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:36,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:36,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:36,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:36,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:36,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:36,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:36,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:36,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:36,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:36,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:36,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:36,690 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:36,691 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:36,692 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/INT_FlaggedConditionalEx2.bpl [2019-08-05 18:12:36,693 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/INT_FlaggedConditionalEx2.bpl' [2019-08-05 18:12:36,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:36,729 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:36,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:36,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:36,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:36,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:36" (1/1) ... [2019-08-05 18:12:36,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:36" (1/1) ... [2019-08-05 18:12:36,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:36" (1/1) ... [2019-08-05 18:12:36,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:36" (1/1) ... [2019-08-05 18:12:36,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:36" (1/1) ... [2019-08-05 18:12:36,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:36" (1/1) ... [2019-08-05 18:12:36,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:36" (1/1) ... [2019-08-05 18:12:36,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:36,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:36,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:36,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:36,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:36" (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 18:12:36,835 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 18:12:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 18:12:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 18:12:37,075 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:37,075 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:12:37,077 INFO L202 PluginConnector]: Adding new model INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:37 BoogieIcfgContainer [2019-08-05 18:12:37,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:37,078 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:37,078 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:37,078 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:37,079 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "INT_FlaggedConditionalEx2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:37" (1/1) ... [2019-08-05 18:12:37,091 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:12:37,094 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:37,101 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-05 18:12:37,110 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:37,112 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-05 18:12:37,601 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:37,602 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:37,606 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))) [2019-08-05 18:12:37,606 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))) [2019-08-05 18:12:37,609 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:37,618 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:37,622 INFO L168 Benchmark]: Toolchain (without parser) took 891.88 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 82.5 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:37,623 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:12:37,624 INFO L168 Benchmark]: Boogie Preprocessor took 44.24 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:37,626 INFO L168 Benchmark]: RCFGBuilder took 303.41 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 94.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:37,629 INFO L168 Benchmark]: Symbolic Interpretation took 541.00 ms. Allocated memory is still 138.4 MB. Free memory was 94.0 MB in the beginning and 82.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:37,634 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 138.4 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.24 ms. Allocated memory is still 138.4 MB. Free memory was 106.8 MB in the beginning and 104.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 303.41 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 94.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 541.00 ms. Allocated memory is still 138.4 MB. Free memory was 94.0 MB in the beginning and 82.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...