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/BugForwardPredicates01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:15:23,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:23,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:23,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:23,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:23,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:23,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:23,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:23,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:23,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:23,624 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:23,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:23,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:23,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:23,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:23,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:23,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:23,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:23,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:23,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:23,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:23,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:23,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:23,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:23,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:23,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:23,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:23,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:23,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:23,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:23,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:23,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:23,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:23,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:23,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:23,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:23,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:23,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:23,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:23,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:23,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:23,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:23,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:23,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:23,703 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:23,705 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:23,706 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugForwardPredicates01.bpl [2019-08-05 18:15:23,706 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugForwardPredicates01.bpl' [2019-08-05 18:15:23,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:23,743 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:23,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:23,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:23,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:23,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugForwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugForwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugForwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugForwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugForwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugForwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugForwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (1/1) ... [2019-08-05 18:15:23,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:23,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:23,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:23,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:23,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugForwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:23" (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 18:15:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:15:23,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:15:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:15:23,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:15:24,087 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:15:24,088 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:15:24,089 INFO L202 PluginConnector]: Adding new model BugForwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:24 BoogieIcfgContainer [2019-08-05 18:15:24,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:24,090 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:24,090 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:24,091 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:24,092 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugForwardPredicates01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:24" (1/1) ... [2019-08-05 18:15:24,106 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:15:24,110 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:24,118 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:15:24,126 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:15:24,127 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:15:24,172 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 6 [2019-08-05 18:15:24,176 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:15:24,176 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:15:24,179 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 7#(and (= |old(x)| 0) (= |old(x)| x) (or (not (<= |old(x)| 5)) (not (<= x 7)))) [2019-08-05 18:15:24,180 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:15:24,188 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:15:24,191 INFO L168 Benchmark]: Toolchain (without parser) took 447.03 ms. Allocated memory is still 141.0 MB. Free memory was 109.6 MB in the beginning and 93.9 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:24,193 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 18:15:24,194 INFO L168 Benchmark]: Boogie Preprocessor took 46.82 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:24,195 INFO L168 Benchmark]: RCFGBuilder took 298.08 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 98.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:24,196 INFO L168 Benchmark]: Symbolic Interpretation took 97.73 ms. Allocated memory is still 141.0 MB. Free memory was 98.3 MB in the beginning and 93.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:24,201 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 7]: 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 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.82 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 298.08 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 98.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 97.73 ms. Allocated memory is still 141.0 MB. Free memory was 98.3 MB in the beginning and 93.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...