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/BugBackwardPredicates07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:24,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:24,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:24,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:24,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:24,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:24,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:24,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:24,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:24,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:24,222 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:24,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:24,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:24,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:24,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:24,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:24,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:24,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:24,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:24,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:24,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:24,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:24,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:24,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:24,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:24,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:24,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:24,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:24,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:24,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:24,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:24,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:24,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:24,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:24,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:24,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:24,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:24,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:24,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:24,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:24,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:24,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:24,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:24,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:24,302 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:24,303 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:24,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates07.bpl [2019-08-06 16:58:24,304 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates07.bpl' [2019-08-06 16:58:24,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:24,340 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:24,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:24,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:24,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:24,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:24" (1/1) ... [2019-08-06 16:58:24,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:24" (1/1) ... [2019-08-06 16:58:24,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:24" (1/1) ... [2019-08-06 16:58:24,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:24" (1/1) ... [2019-08-06 16:58:24,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:24" (1/1) ... [2019-08-06 16:58:24,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:24" (1/1) ... [2019-08-06 16:58:24,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:24" (1/1) ... [2019-08-06 16:58:24,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:24,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:24,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:24,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:24,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:24" (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 16:58:24,461 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-06 16:58:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-06 16:58:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-06 16:58:24,462 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:58:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:58:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:58:24,777 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:24,778 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:24,780 INFO L202 PluginConnector]: Adding new model BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:24 BoogieIcfgContainer [2019-08-06 16:58:24,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:24,781 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:24,781 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:24,781 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:24,783 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:24" (1/1) ... [2019-08-06 16:58:24,795 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:24,801 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:24,811 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:58:24,819 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:24,821 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:58:24,906 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:24,906 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:24,909 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (exists ((v_g_BEFORE_CALL_1 Int)) (<= main_n v_g_BEFORE_CALL_1)) (not (<= main_n g))) [2019-08-06 16:58:24,910 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:24,919 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:24,923 INFO L168 Benchmark]: Toolchain (without parser) took 581.78 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 92.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:24,925 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-06 16:58:24,927 INFO L168 Benchmark]: Boogie Preprocessor took 43.85 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:24,928 INFO L168 Benchmark]: RCFGBuilder took 395.41 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 97.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:24,929 INFO L168 Benchmark]: Symbolic Interpretation took 139.04 ms. Allocated memory is still 140.0 MB. Free memory was 96.8 MB in the beginning and 92.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:24,936 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 22]: 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 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.85 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 395.41 ms. Allocated memory is still 140.0 MB. Free memory was 106.2 MB in the beginning and 97.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 139.04 ms. Allocated memory is still 140.0 MB. Free memory was 96.8 MB in the beginning and 92.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...