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/errorLocalization/flowSenstiveFaultLocalization.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:50:14,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:50:14,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:50:14,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:50:14,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:50:14,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:50:14,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:50:14,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:50:14,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:50:14,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:50:14,681 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:50:14,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:50:14,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:50:14,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:50:14,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:50:14,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:50:14,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:50:14,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:50:14,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:50:14,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:50:14,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:50:14,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:50:14,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:50:14,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:50:14,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:50:14,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:50:14,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:50:14,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:50:14,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:50:14,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:50:14,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:50:14,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:50:14,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:50:14,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:50:14,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:50:14,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:50:14,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:50:14,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:50:14,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:50:14,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:50:14,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:50:14,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:50:14,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:50:14,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:50:14,786 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:50:14,786 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:50:14,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/flowSenstiveFaultLocalization.bpl [2019-08-05 11:50:14,787 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/flowSenstiveFaultLocalization.bpl' [2019-08-05 11:50:14,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:50:14,817 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:50:14,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:50:14,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:50:14,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:50:14,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (1/1) ... [2019-08-05 11:50:14,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:50:14,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:50:14,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:50:14,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:50:14,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:50:14" (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 11:50:14,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:50:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:50:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:50:15,137 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:50:15,138 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:50:15,139 INFO L202 PluginConnector]: Adding new model flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:15 BoogieIcfgContainer [2019-08-05 11:50:15,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:50:15,140 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:50:15,140 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:50:15,140 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:50:15,142 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "flowSenstiveFaultLocalization.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:50:15" (1/1) ... [2019-08-05 11:50:15,154 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:50:15,157 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:50:15,164 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:50:15,173 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:50:15,175 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:50:15,560 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 10 [2019-08-05 11:50:15,561 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:50:15,561 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:50:15,564 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (= main_x 0) (= main_y (+ main_input (- 42))) (< main_y 0)) [2019-08-05 11:50:15,572 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:50:15,574 INFO L168 Benchmark]: Toolchain (without parser) took 756.29 ms. Allocated memory is still 141.6 MB. Free memory was 111.4 MB in the beginning and 92.7 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:15,576 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:50:15,577 INFO L168 Benchmark]: Boogie Preprocessor took 38.29 ms. Allocated memory is still 141.6 MB. Free memory was 111.2 MB in the beginning and 109.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:15,578 INFO L168 Benchmark]: RCFGBuilder took 282.64 ms. Allocated memory is still 141.6 MB. Free memory was 109.0 MB in the beginning and 99.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:15,579 INFO L168 Benchmark]: Symbolic Interpretation took 432.38 ms. Allocated memory is still 141.6 MB. Free memory was 99.3 MB in the beginning and 92.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:50:15,583 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 15]: 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 141.6 MB. Free memory was 112.4 MB in the beginning and 112.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.29 ms. Allocated memory is still 141.6 MB. Free memory was 111.2 MB in the beginning and 109.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.64 ms. Allocated memory is still 141.6 MB. Free memory was 109.0 MB in the beginning and 99.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 432.38 ms. Allocated memory is still 141.6 MB. Free memory was 99.3 MB in the beginning and 92.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...