./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test_union.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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/test_union.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 d175f2e77aebe63dd05869db0ed17fb7b8bf3540 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:20:14,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:20:14,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:20:14,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:20:14,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:20:14,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:20:14,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:20:14,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:20:14,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:20:14,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:20:14,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:20:14,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:20:14,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:20:14,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:20:14,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:20:14,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:20:14,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:20:14,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:20:14,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:20:14,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:20:14,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:20:14,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:20:14,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:20:14,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:20:14,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:20:14,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:20:14,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:20:14,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:20:14,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:20:14,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:20:14,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:20:14,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:20:14,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:20:14,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:20:14,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:20:14,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:20:14,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:20:14,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:20:14,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:20:14,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:20:14,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:20:14,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:20:14,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:20:14,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:20:14,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:20:14,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:20:14,885 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:20:14,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:20:14,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:20:14,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:20:14,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:20:14,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:20:14,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:20:14,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:20:14,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:20:14,889 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:20:14,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:20:14,890 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:20:14,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:20:14,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:20:14,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:20:14,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:20:14,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:20:14,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:20:14,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:20:14,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:20:14,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:20:14,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:20:14,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:20:14,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:20:14,896 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 -> d175f2e77aebe63dd05869db0ed17fb7b8bf3540 [2019-11-16 21:20:15,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:20:15,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:20:15,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:20:15,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:20:15,397 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:20:15,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_union.i [2019-11-16 21:20:15,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0619ca4c5/7d8924c4edcb4f568a7c4130c1de9ced/FLAG7824c9c98 [2019-11-16 21:20:16,224 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:20:16,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_union.i [2019-11-16 21:20:16,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0619ca4c5/7d8924c4edcb4f568a7c4130c1de9ced/FLAG7824c9c98 [2019-11-16 21:20:16,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0619ca4c5/7d8924c4edcb4f568a7c4130c1de9ced [2019-11-16 21:20:16,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:20:16,554 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:20:16,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:20:16,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:20:16,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:20:16,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa58ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16, skipping insertion in model container [2019-11-16 21:20:16,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,586 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:20:16,613 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:20:16,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:20:16,903 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:20:16,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:20:16,948 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:20:16,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16 WrapperNode [2019-11-16 21:20:16,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:20:16,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:20:16,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:20:16,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:20:16,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:16,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:17,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:20:17,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:20:17,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:20:17,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:20:17,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:17,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:17,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:17,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:17,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:17,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:17,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:20:16" (1/1) ... [2019-11-16 21:20:17,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:20:17,124 INFO L168 Benchmark]: Toolchain (without parser) took 559.48 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 996.9 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:20:17,125 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-16 21:20:17,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.15 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. [2019-11-16 21:20:17,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:20:17,132 INFO L168 Benchmark]: Boogie Preprocessor took 32.92 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:20:17,140 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 396.15 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 124.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 32.92 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...