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/BugBackwardPredicates03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:58:21,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:58:21,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:58:21,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:58:21,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:58:21,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:58:21,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:58:21,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:58:21,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:58:21,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:58:21,995 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:58:21,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:58:21,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:58:21,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:58:21,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:58:22,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:58:22,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:58:22,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:58:22,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:58:22,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:58:22,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:58:22,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:58:22,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:58:22,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:58:22,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:58:22,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:58:22,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:58:22,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:58:22,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:58:22,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:58:22,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:58:22,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:58:22,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:58:22,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:58:22,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:58:22,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:58:22,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:58:22,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:58:22,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:58:22,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:58:22,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:58:22,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:58:22,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:58:22,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:58:22,080 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:58:22,081 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:58:22,083 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates03.bpl [2019-08-06 16:58:22,083 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates03.bpl' [2019-08-06 16:58:22,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:58:22,122 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:58:22,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:58:22,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:58:22,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:58:22,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:58:22,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:58:22,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:58:22,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:58:22,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:58:22" (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 16:58:22,248 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-06 16:58:22,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:58:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-06 16:58:22,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:58:22,538 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:58:22,539 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:58:22,540 INFO L202 PluginConnector]: Adding new model BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:22 BoogieIcfgContainer [2019-08-06 16:58:22,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:58:22,541 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:58:22,541 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:58:22,541 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:58:22,542 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugBackwardPredicates03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:58:22" (1/1) ... [2019-08-06 16:58:22,552 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:58:22,555 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:58:22,561 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:58:22,569 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:58:22,570 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:58:22,629 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:58:22,630 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:58:22,632 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 10#(and (exists ((v_g_BEFORE_CALL_1 Int)) (not (= m v_g_BEFORE_CALL_1))) (= m g)) [2019-08-06 16:58:22,633 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:58:22,638 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:58:22,641 INFO L168 Benchmark]: Toolchain (without parser) took 518.56 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 93.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:22,641 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.37 ms. Allocated memory is still 133.7 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-06 16:58:22,643 INFO L168 Benchmark]: Boogie Preprocessor took 46.32 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:22,644 INFO L168 Benchmark]: RCFGBuilder took 370.72 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 97.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:22,645 INFO L168 Benchmark]: Symbolic Interpretation took 97.38 ms. Allocated memory is still 133.7 MB. Free memory was 97.8 MB in the beginning and 93.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:58:22,649 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 33]: 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 0.37 ms. Allocated memory is still 133.7 MB. Free memory is still 109.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.32 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 106.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.72 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 97.8 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 97.38 ms. Allocated memory is still 133.7 MB. Free memory was 97.8 MB in the beginning and 93.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...