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/regression/bpl/BugCNF02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:05:16,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:05:16,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:05:16,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:05:16,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:05:16,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:05:16,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:05:16,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:05:16,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:05:16,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:05:16,795 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:05:16,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:05:16,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:05:16,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:05:16,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:05:16,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:05:16,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:05:16,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:05:16,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:05:16,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:05:16,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:05:16,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:05:16,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:05:16,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:05:16,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:05:16,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:05:16,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:05:16,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:05:16,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:05:16,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:05:16,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:05:16,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:05:16,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:05:16,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:05:16,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:05:16,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:05:16,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:05:16,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:05:16,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:05:16,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:05:16,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:05:16,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:05:16,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:05:16,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:05:16,870 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:05:16,871 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:05:16,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugCNF02.bpl [2019-08-05 12:05:16,872 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/BugCNF02.bpl' [2019-08-05 12:05:16,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:05:16,908 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:05:16,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:05:16,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:05:16,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:05:16,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:16" (1/1) ... [2019-08-05 12:05:16,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:16" (1/1) ... [2019-08-05 12:05:16,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:16" (1/1) ... [2019-08-05 12:05:16,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:16" (1/1) ... [2019-08-05 12:05:16,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:16" (1/1) ... [2019-08-05 12:05:16,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:16" (1/1) ... [2019-08-05 12:05:16,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:16" (1/1) ... [2019-08-05 12:05:16,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:05:16,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:05:16,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:05:16,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:05:16,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:16" (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 12:05:17,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure method1 given in one single declaration [2019-08-05 12:05:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure method1 [2019-08-05 12:05:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure method1 [2019-08-05 12:05:17,301 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:05:17,302 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 12:05:17,303 INFO L202 PluginConnector]: Adding new model BugCNF02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:17 BoogieIcfgContainer [2019-08-05 12:05:17,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:05:17,305 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:05:17,305 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:05:17,305 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:05:17,307 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugCNF02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:17" (1/1) ... [2019-08-05 12:05:17,319 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:05:17,322 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:05:17,332 INFO L160 IcfgInterpreter]: Initial procedures are [method1] [2019-08-05 12:05:17,344 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:05:17,345 INFO L184 IcfgInterpreter]: Interpreting procedure method1 with input of size 1 [2019-08-05 12:05:17,495 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 2 [2019-08-05 12:05:17,536 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:05:17,537 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:05:17,541 INFO L178 IcfgInterpreter]: Location method1Err0ASSERT_VIOLATIONASSERT has predicate 9#(not B) [2019-08-05 12:05:17,549 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:05:17,552 INFO L168 Benchmark]: Toolchain (without parser) took 644.23 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 92.7 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:17,553 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:05:17,555 INFO L168 Benchmark]: Boogie Preprocessor took 40.74 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 106.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:17,557 INFO L168 Benchmark]: RCFGBuilder took 354.34 ms. Allocated memory is still 139.5 MB. Free memory was 106.9 MB in the beginning and 97.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:17,558 INFO L168 Benchmark]: Symbolic Interpretation took 244.89 ms. Allocated memory is still 139.5 MB. Free memory was 97.8 MB in the beginning and 92.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:17,563 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 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.74 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 106.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 354.34 ms. Allocated memory is still 139.5 MB. Free memory was 106.9 MB in the beginning and 97.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 244.89 ms. Allocated memory is still 139.5 MB. Free memory was 97.8 MB in the beginning and 92.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...