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/branching/testForBlockEncoding2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:12:47,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:47,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:47,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:47,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:47,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:47,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:47,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:47,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:47,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:47,736 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:47,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:47,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:47,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:47,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:47,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:47,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:47,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:47,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:47,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:47,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:47,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:47,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:47,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:47,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:47,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:47,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:47,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:47,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:47,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:47,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:47,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:47,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:47,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:47,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:47,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:47,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:47,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:47,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:47,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:47,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:47,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:47,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:47,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:47,806 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:47,806 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:47,807 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/branching/testForBlockEncoding2.bpl [2019-08-05 18:12:47,808 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/errorLocalization/branching/testForBlockEncoding2.bpl' [2019-08-05 18:12:47,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:47,839 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:47,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:47,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:47,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:47,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:47" (1/1) ... [2019-08-05 18:12:47,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:47" (1/1) ... [2019-08-05 18:12:47,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:47" (1/1) ... [2019-08-05 18:12:47,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:47" (1/1) ... [2019-08-05 18:12:47,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:47" (1/1) ... [2019-08-05 18:12:47,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:47" (1/1) ... [2019-08-05 18:12:47,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:47" (1/1) ... [2019-08-05 18:12:47,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:47,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:47,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:47,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:47,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:47" (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 18:12:47,939 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 18:12:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 18:12:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 18:12:48,179 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:48,179 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:12:48,180 INFO L202 PluginConnector]: Adding new model testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:48 BoogieIcfgContainer [2019-08-05 18:12:48,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:48,181 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:48,181 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:48,181 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:48,182 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "testForBlockEncoding2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:48" (1/1) ... [2019-08-05 18:12:48,194 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:12:48,197 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:48,204 INFO L160 IcfgInterpreter]: Initial procedures are [foo] [2019-08-05 18:12:48,212 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:48,214 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 1 [2019-08-05 18:12:48,251 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:48,251 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:48,255 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 6#(and (= 2 foo_x) (or (and (= 2 foo_y) (= 2 foo_c)) (not (= 2 foo_c))) (= 2 foo_c)) [2019-08-05 18:12:48,256 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:48,263 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:48,266 INFO L168 Benchmark]: Toolchain (without parser) took 425.90 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 91.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:48,267 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:12:48,268 INFO L168 Benchmark]: Boogie Preprocessor took 37.04 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 106.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:48,270 INFO L168 Benchmark]: RCFGBuilder took 302.92 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 95.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:48,271 INFO L168 Benchmark]: Symbolic Interpretation took 82.84 ms. Allocated memory is still 132.1 MB. Free memory was 95.5 MB in the beginning and 91.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:48,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 27]: 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 0.20 ms. Allocated memory is still 132.1 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.04 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 106.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 302.92 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 95.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 82.84 ms. Allocated memory is still 132.1 MB. Free memory was 95.5 MB in the beginning and 91.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...