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-b03553c [2019-08-05 18:15:33,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:15:33,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:15:33,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:15:33,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:15:33,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:15:33,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:15:33,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:15:33,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:15:33,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:15:33,585 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:15:33,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:15:33,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:15:33,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:15:33,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:15:33,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:15:33,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:15:33,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:15:33,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:15:33,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:15:33,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:15:33,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:15:33,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:15:33,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:15:33,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:15:33,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:15:33,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:15:33,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:15:33,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:15:33,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:15:33,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:15:33,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:15:33,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:15:33,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:15:33,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:15:33,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:15:33,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:15:33,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:15:33,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:15:33,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:15:33,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:15:33,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:15:33,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:15:33,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:15:33,669 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:15:33,669 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:15:33,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates07.bpl [2019-08-05 18:15:33,671 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/BugBackwardPredicates07.bpl' [2019-08-05 18:15:33,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:15:33,705 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:15:33,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:15:33,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:15:33,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:15:33,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:33" (1/1) ... [2019-08-05 18:15:33,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:33" (1/1) ... [2019-08-05 18:15:33,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:33" (1/1) ... [2019-08-05 18:15:33,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:33" (1/1) ... [2019-08-05 18:15:33,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:33" (1/1) ... [2019-08-05 18:15:33,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:33" (1/1) ... [2019-08-05 18:15:33,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:33" (1/1) ... [2019-08-05 18:15:33,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:15:33,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:15:33,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:15:33,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:15:33,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:15:33" (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 18:15:33,815 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 18:15:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 18:15:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 18:15:33,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:15:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:15:33,817 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:15:34,030 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:15:34,030 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:15:34,031 INFO L202 PluginConnector]: Adding new model BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:34 BoogieIcfgContainer [2019-08-05 18:15:34,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:15:34,032 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:15:34,032 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:15:34,033 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:15:34,034 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "BugBackwardPredicates07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:15:34" (1/1) ... [2019-08-05 18:15:34,045 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:15:34,048 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:15:34,056 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:15:34,064 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:15:34,065 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:15:34,113 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:15:34,115 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:15:34,118 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))) [2019-08-05 18:15:34,119 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:15:34,125 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:15:34,128 INFO L168 Benchmark]: Toolchain (without parser) took 422.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.4 MB in the beginning and 90.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:34,129 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:15:34,130 INFO L168 Benchmark]: Boogie Preprocessor took 42.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.4 MB in the beginning and 104.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:34,131 INFO L168 Benchmark]: RCFGBuilder took 283.93 ms. Allocated memory is still 132.6 MB. Free memory was 104.3 MB in the beginning and 94.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:34,132 INFO L168 Benchmark]: Symbolic Interpretation took 93.05 ms. Allocated memory is still 132.6 MB. Free memory was 94.9 MB in the beginning and 90.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:15:34,137 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 0.20 ms. Allocated memory is still 132.6 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.4 MB in the beginning and 104.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 283.93 ms. Allocated memory is still 132.6 MB. Free memory was 104.3 MB in the beginning and 94.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 93.05 ms. Allocated memory is still 132.6 MB. Free memory was 94.9 MB in the beginning and 90.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...