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/interprocedural/BugBackwardPredicates01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:25,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:25,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:25,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:25,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:25,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:25,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:25,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:25,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:25,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:25,217 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:25,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:25,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:25,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:25,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:25,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:25,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:25,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:25,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:25,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:25,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:25,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:25,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:25,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:25,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:25,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:25,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:25,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:25,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:25,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:25,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:25,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:25,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:25,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:25,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:25,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:25,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:25,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:25,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:25,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:25,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:25,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:25,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:25,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:25,308 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:25,309 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:25,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates01.bpl [2019-08-06 16:58:25,310 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates01.bpl' [2019-08-06 16:58:25,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:25,342 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:25,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:25,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:25,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:25,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:25" (1/1) ... [2019-08-06 16:58:25,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:25" (1/1) ... [2019-08-06 16:58:25,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:25" (1/1) ... [2019-08-06 16:58:25,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:25" (1/1) ... [2019-08-06 16:58:25,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:25" (1/1) ... [2019-08-06 16:58:25,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:25" (1/1) ... [2019-08-06 16:58:25,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:25" (1/1) ... [2019-08-06 16:58:25,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:25,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:25,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:25,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:25,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:25" (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 16:58:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure callee [2019-08-06 16:58:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:58:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:58:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure callee [2019-08-06 16:58:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:58:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:58:25,705 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:58:25,705 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:58:25,706 INFO L202 PluginConnector]: Adding new model BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:25 BoogieIcfgContainer [2019-08-06 16:58:25,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:25,707 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:25,707 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:25,708 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:25,709 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugBackwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:25" (1/1) ... [2019-08-06 16:58:25,720 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:25,723 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:25,730 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:58:25,738 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:25,739 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:58:25,784 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 3 [2019-08-06 16:58:25,815 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:25,815 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:25,820 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 12#(and (= main_tmp g) (not (= main_x (+ g (- 3)))) (= main_tmp (+ main_x 3)) (= main_x |old(g)|)) [2019-08-06 16:58:25,821 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:25,829 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:25,832 INFO L168 Benchmark]: Toolchain (without parser) took 488.97 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 91.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:25,835 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:25,836 INFO L168 Benchmark]: Boogie Preprocessor took 38.21 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:25,838 INFO L168 Benchmark]: RCFGBuilder took 325.63 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 96.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:25,840 INFO L168 Benchmark]: Symbolic Interpretation took 122.06 ms. Allocated memory is still 140.0 MB. Free memory was 96.4 MB in the beginning and 91.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:25,847 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 24]: 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 140.0 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.21 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 325.63 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 96.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 122.06 ms. Allocated memory is still 140.0 MB. Free memory was 96.4 MB in the beginning and 91.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...