./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/floats-cdfpl/square_3.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 57828c11c74ba018eaf70a217208a01187285749 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/floats-cdfpl/square_3.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 57828c11c74ba018eaf70a217208a01187285749 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:44:34,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:34,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:34,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:34,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:34,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:34,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:34,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:34,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:34,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:34,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:34,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:34,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:34,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:34,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:34,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:34,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:34,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:34,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:34,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:34,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:34,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:34,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:34,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:34,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:34,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:34,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:34,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:34,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:34,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:34,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:34,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:34,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:34,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:34,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:34,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:34,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:34,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:34,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:34,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:34,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:34,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:44:34,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:34,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:34,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:34,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:34,885 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:34,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:34,887 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:34,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:44:34,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:34,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:34,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:34,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:34,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:34,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:34,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:34,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:34,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:34,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:34,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:34,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:34,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:34,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:34,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:34,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:34,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:34,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:44:34,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:44:34,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:34,902 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 -> 57828c11c74ba018eaf70a217208a01187285749 [2019-11-27 09:44:35,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:35,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:35,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:35,488 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:35,488 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:35,490 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_3.i [2019-11-27 09:44:35,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd00ef9c/76290fd269c74b1b9b9ef4b19a746e0a/FLAG824528de8 [2019-11-27 09:44:36,670 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:36,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_3.i [2019-11-27 09:44:36,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd00ef9c/76290fd269c74b1b9b9ef4b19a746e0a/FLAG824528de8 [2019-11-27 09:44:36,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd00ef9c/76290fd269c74b1b9b9ef4b19a746e0a [2019-11-27 09:44:36,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:36,981 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:36,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:36,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:36,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:36,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:36" (1/1) ... [2019-11-27 09:44:37,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fbebda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:36, skipping insertion in model container [2019-11-27 09:44:37,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:36" (1/1) ... [2019-11-27 09:44:37,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:37,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:37,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:37,466 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:37,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:37,542 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:37,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37 WrapperNode [2019-11-27 09:44:37,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:37,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:37,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:37,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:37,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:37,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:37,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:37,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:37,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:37" (1/1) ... [2019-11-27 09:44:37,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:37,776 INFO L168 Benchmark]: Toolchain (without parser) took 790.05 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. [2019-11-27 09:44:37,778 INFO L168 Benchmark]: CDTParser took 2.00 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. [2019-11-27 09:44:37,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.33 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. [2019-11-27 09:44:37,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.20 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: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:37,789 INFO L168 Benchmark]: Boogie Preprocessor took 56.62 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. [2019-11-27 09:44:37,798 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.00 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 560.33 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 165.20 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: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 56.62 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-da95e15 [2019-11-27 09:44:41,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:41,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:41,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:41,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:41,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:41,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:41,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:41,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:41,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:41,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:41,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:41,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:41,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:41,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:41,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:41,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:41,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:41,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:41,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:41,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:41,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:41,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:41,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:41,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:41,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:41,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:41,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:41,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:41,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:41,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:41,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:41,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:41,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:41,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:41,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:41,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:41,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:41,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:41,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:41,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:41,877 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:44:41,918 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:41,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:41,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:41,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:41,927 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:41,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:41,928 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:41,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:41,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:41,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:41,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:41,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:41,933 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:44:41,934 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:44:41,934 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:41,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:41,935 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:41,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:41,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:41,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:41,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:41,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:41,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:41,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:41,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:41,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:41,941 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:44:41,941 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:44:41,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:41,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:44:41,943 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 -> 57828c11c74ba018eaf70a217208a01187285749 [2019-11-27 09:44:42,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:42,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:42,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:42,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:42,565 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:42,567 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_3.i [2019-11-27 09:44:42,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae50c1f5/fc5cc79dd68848548a9582979e0102f2/FLAGb8347bf1c [2019-11-27 09:44:43,717 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:44:43,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_3.i [2019-11-27 09:44:43,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae50c1f5/fc5cc79dd68848548a9582979e0102f2/FLAGb8347bf1c [2019-11-27 09:44:43,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ae50c1f5/fc5cc79dd68848548a9582979e0102f2 [2019-11-27 09:44:43,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:44:43,782 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:44:43,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:43,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:44:43,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:44:43,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:43" (1/1) ... [2019-11-27 09:44:43,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1041276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:43, skipping insertion in model container [2019-11-27 09:44:43,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:44:43" (1/1) ... [2019-11-27 09:44:43,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:44:43,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:44:44,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:44,308 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:44:44,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:44:44,383 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:44:44,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44 WrapperNode [2019-11-27 09:44:44,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:44:44,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:44,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:44:44,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:44:44,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:44:44,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:44:44,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:44:44,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:44:44,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:44:44" (1/1) ... [2019-11-27 09:44:44,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:44:44,613 INFO L168 Benchmark]: Toolchain (without parser) took 826.69 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-27 09:44:44,615 INFO L168 Benchmark]: CDTParser took 2.01 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. [2019-11-27 09:44:44,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.25 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. [2019-11-27 09:44:44,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.57 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 991.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:44:44,638 INFO L168 Benchmark]: Boogie Preprocessor took 59.11 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:44:44,649 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.01 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 597.25 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 155.57 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 991.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 59.11 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...