./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/alias_of_return.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/alias_of_return.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3925884d137f07b09b1c6b8320dffe7629fc0b49 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-regression/alias_of_return.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3925884d137f07b09b1c6b8320dffe7629fc0b49 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:53:31,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:31,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:31,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:31,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:31,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:31,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:31,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:31,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:31,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:31,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:31,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:31,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:31,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:31,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:31,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:31,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:31,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:31,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:31,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:31,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:31,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:31,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:31,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:31,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:31,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:31,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:31,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:31,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:31,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:31,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:31,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:31,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:31,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:31,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:31,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:31,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:31,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:31,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:31,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:31,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:31,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:53:31,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:31,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:31,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:31,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:31,921 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:31,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:31,924 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:31,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:53:31,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:31,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:31,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:31,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:31,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:31,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:31,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:31,930 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:31,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:31,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:31,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:31,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:31,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:31,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:31,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:31,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:31,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:31,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:53:31,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:53:31,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:31,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3925884d137f07b09b1c6b8320dffe7629fc0b49 [2019-11-25 22:53:32,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:32,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:32,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:32,543 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:32,544 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:32,546 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/alias_of_return.i [2019-11-25 22:53:32,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de74e7eba/efac2f7f91d042d796932e16b0d7d83d/FLAG3af0b0de3 [2019-11-25 22:53:33,674 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:33,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/alias_of_return.i [2019-11-25 22:53:33,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de74e7eba/efac2f7f91d042d796932e16b0d7d83d/FLAG3af0b0de3 [2019-11-25 22:53:33,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de74e7eba/efac2f7f91d042d796932e16b0d7d83d [2019-11-25 22:53:33,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:33,737 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:33,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:33,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:33,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:33,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:33" (1/1) ... [2019-11-25 22:53:33,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:33, skipping insertion in model container [2019-11-25 22:53:33,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:33" (1/1) ... [2019-11-25 22:53:33,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:33,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:34,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:34,277 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:34,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:34,334 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:34,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:34 WrapperNode [2019-11-25 22:53:34,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:34,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:34,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:34,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:34,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:34" (1/1) ... [2019-11-25 22:53:34,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:34" (1/1) ... [2019-11-25 22:53:34,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:34,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:34,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:34,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:34,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:34" (1/1) ... [2019-11-25 22:53:34,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:34" (1/1) ... [2019-11-25 22:53:34,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:34" (1/1) ... [2019-11-25 22:53:34,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:34" (1/1) ... [2019-11-25 22:53:34,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:34" (1/1) ... [2019-11-25 22:53:34,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:34" (1/1) ... [2019-11-25 22:53:34,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:34" (1/1) ... [2019-11-25 22:53:34,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:34,566 INFO L168 Benchmark]: Toolchain (without parser) took 826.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:34,568 INFO L168 Benchmark]: CDTParser took 2.84 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:34,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.89 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:34,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:34,591 INFO L168 Benchmark]: Boogie Preprocessor took 38.64 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:34,605 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.84 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 602.89 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 169.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 38.64 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:53:38,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:38,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:38,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:38,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:38,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:38,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:38,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:38,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:38,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:38,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:38,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:38,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:38,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:38,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:38,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:38,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:38,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:38,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:38,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:38,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:38,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:38,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:38,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:38,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:38,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:38,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:38,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:38,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:38,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:38,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:38,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:38,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:38,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:38,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:38,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:38,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:38,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:38,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:38,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:38,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:38,678 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:53:38,721 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:38,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:38,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:38,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:38,727 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:38,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:38,730 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:38,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:38,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:38,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:38,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:38,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:38,735 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:53:38,736 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:53:38,736 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:38,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:38,737 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:38,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:38,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:38,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:38,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:38,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:38,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:38,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:38,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:38,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:38,743 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:53:38,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:53:38,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:38,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:53:38,746 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3925884d137f07b09b1c6b8320dffe7629fc0b49 [2019-11-25 22:53:39,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:39,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:39,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:39,439 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:39,442 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:39,444 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/alias_of_return.i [2019-11-25 22:53:39,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9a099b5/cd0c5accef5644649a73117828715c46/FLAG396ca8b3a [2019-11-25 22:53:40,577 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:40,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/alias_of_return.i [2019-11-25 22:53:40,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9a099b5/cd0c5accef5644649a73117828715c46/FLAG396ca8b3a [2019-11-25 22:53:40,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9a099b5/cd0c5accef5644649a73117828715c46 [2019-11-25 22:53:40,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:40,913 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:40,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:40,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:40,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:40,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d2104c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40, skipping insertion in model container [2019-11-25 22:53:40,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:41,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:41,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:41,411 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:41,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:41,459 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:41,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41 WrapperNode [2019-11-25 22:53:41,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:41,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:41,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:41,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:41,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:41,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:41,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:41,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:41,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:41" (1/1) ... [2019-11-25 22:53:41,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:41,674 INFO L168 Benchmark]: Toolchain (without parser) took 755.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:41,677 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:41,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.92 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:41,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:41,700 INFO L168 Benchmark]: Boogie Preprocessor took 39.62 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:41,710 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 543.92 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 158.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 39.62 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...