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/BugBackwardPredicates06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:05:44,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:05:44,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:05:44,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:05:44,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:05:44,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:05:44,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:05:44,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:05:44,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:05:44,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:05:44,262 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:05:44,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:05:44,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:05:44,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:05:44,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:05:44,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:05:44,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:05:44,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:05:44,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:05:44,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:05:44,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:05:44,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:05:44,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:05:44,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:05:44,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:05:44,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:05:44,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:05:44,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:05:44,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:05:44,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:05:44,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:05:44,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:05:44,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:05:44,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:05:44,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:05:44,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:05:44,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:05:44,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:05:44,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:05:44,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:05:44,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:05:44,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:05:44,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:05:44,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:05:44,339 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:05:44,340 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:05:44,341 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates06.bpl [2019-08-05 12:05:44,341 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates06.bpl' [2019-08-05 12:05:44,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:05:44,372 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:05:44,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:05:44,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:05:44,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:05:44,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugBackwardPredicates06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:44" (1/1) ... [2019-08-05 12:05:44,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugBackwardPredicates06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:44" (1/1) ... [2019-08-05 12:05:44,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugBackwardPredicates06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:44" (1/1) ... [2019-08-05 12:05:44,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugBackwardPredicates06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:44" (1/1) ... [2019-08-05 12:05:44,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugBackwardPredicates06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:44" (1/1) ... [2019-08-05 12:05:44,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugBackwardPredicates06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:44" (1/1) ... [2019-08-05 12:05:44,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugBackwardPredicates06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:44" (1/1) ... [2019-08-05 12:05:44,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:05:44,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:05:44,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:05:44,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:05:44,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugBackwardPredicates06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:05:44" (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 12:05:44,499 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:05:44,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:05:44,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:05:44,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure alwaysTrue given in one single declaration [2019-08-05 12:05:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure alwaysTrue [2019-08-05 12:05:44,501 INFO L138 BoogieDeclarations]: Found implementation of procedure alwaysTrue [2019-08-05 12:05:44,501 INFO L124 BoogieDeclarations]: Specification and implementation of procedure isZero given in one single declaration [2019-08-05 12:05:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure isZero [2019-08-05 12:05:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isZero [2019-08-05 12:05:44,502 INFO L124 BoogieDeclarations]: Specification and implementation of procedure notZero given in one single declaration [2019-08-05 12:05:44,502 INFO L130 BoogieDeclarations]: Found specification of procedure notZero [2019-08-05 12:05:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure notZero [2019-08-05 12:05:44,890 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:05:44,891 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:05:44,892 INFO L202 PluginConnector]: Adding new model BugBackwardPredicates06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:44 BoogieIcfgContainer [2019-08-05 12:05:44,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:05:44,893 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:05:44,893 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:05:44,893 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:05:44,895 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugBackwardPredicates06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:05:44" (1/1) ... [2019-08-05 12:05:44,916 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:05:44,919 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:05:44,939 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 12:05:44,948 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:05:44,951 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 12:05:45,180 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:05:45,180 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:05:45,183 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 18#false [2019-08-05 12:05:45,185 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:05:45,188 INFO L168 Benchmark]: Toolchain (without parser) took 814.91 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 86.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:45,189 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 109.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:05:45,191 INFO L168 Benchmark]: Boogie Preprocessor took 48.91 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:45,192 INFO L168 Benchmark]: RCFGBuilder took 470.84 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 94.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:45,193 INFO L168 Benchmark]: Symbolic Interpretation took 292.12 ms. Allocated memory is still 140.0 MB. Free memory was 94.5 MB in the beginning and 86.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:05:45,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - AllSpecificationsHoldResult: All specifications hold All locations of interest are guaranteed to be unreachable. * 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 109.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.91 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 470.84 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 94.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 292.12 ms. Allocated memory is still 140.0 MB. Free memory was 94.5 MB in the beginning and 86.8 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...