./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/float-benchs/sqrt_Householder_constant.c -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 71391a154c08c1da1cb11d5d7900dd0d1303e4a1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/float-benchs/sqrt_Householder_constant.c -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 71391a154c08c1da1cb11d5d7900dd0d1303e4a1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:07:16,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:16,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:16,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:16,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:16,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:16,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:16,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:16,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:16,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:16,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:16,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:16,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:16,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:16,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:16,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:16,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:16,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:16,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:16,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:16,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:16,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:16,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:16,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:16,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:16,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:16,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:16,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:16,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:16,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:16,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:16,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:16,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:16,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:16,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:16,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:16,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:16,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:16,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:16,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:16,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:16,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:07:16,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:16,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:16,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:16,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:16,974 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:16,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:16,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:16,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:07:16,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:16,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:16,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:16,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:16,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:16,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:16,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:16,982 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:16,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:16,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:16,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:16,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:16,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:16,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:16,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:16,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:16,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:16,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:07:16,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:07:16,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:16,989 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 -> 71391a154c08c1da1cb11d5d7900dd0d1303e4a1 [2019-11-27 16:07:17,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:17,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:17,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:17,556 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:17,561 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:17,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2019-11-27 16:07:17,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d96cad66c/188bd3a0070e4e4e85db40cab67de32b/FLAG39d9a3441 [2019-11-27 16:07:18,721 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:18,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2019-11-27 16:07:18,743 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d96cad66c/188bd3a0070e4e4e85db40cab67de32b/FLAG39d9a3441 [2019-11-27 16:07:18,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d96cad66c/188bd3a0070e4e4e85db40cab67de32b [2019-11-27 16:07:18,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:18,916 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:18,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:18,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:18,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:18,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:18" (1/1) ... [2019-11-27 16:07:18,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f8f298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:18, skipping insertion in model container [2019-11-27 16:07:18,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:18" (1/1) ... [2019-11-27 16:07:18,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:19,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:19,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:19,439 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:19,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:19,537 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:19,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:19 WrapperNode [2019-11-27 16:07:19,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:19,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:19,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:19,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:19,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:19" (1/1) ... [2019-11-27 16:07:19,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:19" (1/1) ... [2019-11-27 16:07:19,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:19,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:19,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:19,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:19,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:19" (1/1) ... [2019-11-27 16:07:19,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:19" (1/1) ... [2019-11-27 16:07:19,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:19" (1/1) ... [2019-11-27 16:07:19,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:19" (1/1) ... [2019-11-27 16:07:19,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:19" (1/1) ... [2019-11-27 16:07:19,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:19" (1/1) ... [2019-11-27 16:07:19,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:19" (1/1) ... [2019-11-27 16:07:19,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:19,776 INFO L168 Benchmark]: Toolchain (without parser) took 856.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 997.0 MB in the end (delta: -36.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:19,778 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-27 16:07:19,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.98 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:19,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:19,798 INFO L168 Benchmark]: Boogie Preprocessor took 71.46 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:19,811 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 620.98 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.8 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 156.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 71.46 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:07:23,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:23,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:23,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:23,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:23,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:23,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:23,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:23,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:23,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:23,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:23,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:23,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:23,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:23,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:23,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:23,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:23,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:23,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:23,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:23,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:23,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:23,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:23,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:23,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:23,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:23,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:23,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:23,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:23,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:23,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:23,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:23,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:23,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:23,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:23,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:23,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:23,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:23,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:23,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:23,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:23,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:23,843 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:23,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:23,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:23,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:23,851 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:23,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:23,852 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:23,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:23,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:23,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:23,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:23,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:23,857 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:23,857 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:23,858 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:23,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:23,859 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:23,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:23,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:23,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:23,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:23,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:23,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:23,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:23,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:23,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:23,864 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:23,867 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:23,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:23,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:23,869 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 -> 71391a154c08c1da1cb11d5d7900dd0d1303e4a1 [2019-11-27 16:07:24,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:24,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:24,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:24,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:24,484 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:24,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2019-11-27 16:07:24,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae57f8765/0554c402a6474b93a942e45e22de0ddf/FLAGc8724d105 [2019-11-27 16:07:25,651 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:25,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2019-11-27 16:07:25,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae57f8765/0554c402a6474b93a942e45e22de0ddf/FLAGc8724d105 [2019-11-27 16:07:25,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae57f8765/0554c402a6474b93a942e45e22de0ddf [2019-11-27 16:07:25,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:25,916 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:25,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:25,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:25,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:25,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:25" (1/1) ... [2019-11-27 16:07:25,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483df1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:25, skipping insertion in model container [2019-11-27 16:07:25,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:25" (1/1) ... [2019-11-27 16:07:25,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:26,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:26,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:26,535 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:26,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:26,746 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:26,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:26 WrapperNode [2019-11-27 16:07:26,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:26,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:26,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:26,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:26,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:26" (1/1) ... [2019-11-27 16:07:26,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:26" (1/1) ... [2019-11-27 16:07:26,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:26,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:26,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:26,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:26,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:26" (1/1) ... [2019-11-27 16:07:26,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:26" (1/1) ... [2019-11-27 16:07:26,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:26" (1/1) ... [2019-11-27 16:07:26,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:26" (1/1) ... [2019-11-27 16:07:26,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:26" (1/1) ... [2019-11-27 16:07:26,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:26" (1/1) ... [2019-11-27 16:07:26,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:26" (1/1) ... [2019-11-27 16:07:26,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:26,949 INFO L168 Benchmark]: Toolchain (without parser) took 1029.40 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 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:26,952 INFO L168 Benchmark]: CDTParser took 1.28 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. [2019-11-27 16:07:26,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.26 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:26,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.79 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. [2019-11-27 16:07:26,963 INFO L168 Benchmark]: Boogie Preprocessor took 89.75 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:26,985 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 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 828.26 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 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 101.79 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. * Boogie Preprocessor took 89.75 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 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...