./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 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 0.1.24-65d6cd2 [2019-11-25 22:50:25,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:25,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:25,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:25,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:25,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:25,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:25,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:25,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:25,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:25,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:25,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:25,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:25,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:25,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:25,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:25,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:25,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:25,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:25,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:25,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:25,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:25,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:25,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:25,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:25,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:25,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:25,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:25,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:25,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:25,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:25,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:25,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:25,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:25,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:25,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:25,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:25,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:25,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:25,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:26,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:26,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:50:26,040 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:26,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:26,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:26,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:26,050 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:26,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:26,051 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:26,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:50:26,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:26,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:26,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:26,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:26,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:26,058 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:26,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:26,059 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:26,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:26,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:26,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:26,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:26,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:26,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:26,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:26,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:26,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:26,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:50:26,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:50:26,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:26,067 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 [2019-11-25 22:50:26,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:26,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:26,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:26,751 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:26,753 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:26,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2019-11-25 22:50:26,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f376471b8/6f5de21e3c3b45c6afdfedae27310e8b/FLAG33b7ed7f1 [2019-11-25 22:50:27,905 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:27,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2019-11-25 22:50:27,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f376471b8/6f5de21e3c3b45c6afdfedae27310e8b/FLAG33b7ed7f1 [2019-11-25 22:50:28,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f376471b8/6f5de21e3c3b45c6afdfedae27310e8b [2019-11-25 22:50:28,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:28,081 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:28,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:28,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:28,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:28,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:28" (1/1) ... [2019-11-25 22:50:28,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10db85b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:28, skipping insertion in model container [2019-11-25 22:50:28,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:28" (1/1) ... [2019-11-25 22:50:28,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:28,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:28,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:28,618 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:28,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:28,727 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:28,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:28 WrapperNode [2019-11-25 22:50:28,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:28,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:28,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:28,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:28,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:28" (1/1) ... [2019-11-25 22:50:28,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:28" (1/1) ... [2019-11-25 22:50:28,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:28,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:28,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:28,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:28,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:28" (1/1) ... [2019-11-25 22:50:28,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:28" (1/1) ... [2019-11-25 22:50:28,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:28" (1/1) ... [2019-11-25 22:50:28,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:28" (1/1) ... [2019-11-25 22:50:28,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:28" (1/1) ... [2019-11-25 22:50:28,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:28" (1/1) ... [2019-11-25 22:50:28,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:28" (1/1) ... [2019-11-25 22:50:28,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:28,937 INFO L168 Benchmark]: Toolchain (without parser) took 854.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 991.4 MB in the end (delta: -25.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:28,952 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:28,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.60 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:28,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.4 MB in the end (delta: -36.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:28,961 INFO L168 Benchmark]: Boogie Preprocessor took 55.89 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:28,970 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 647.60 ms. Allocated memory is still 1.0 GB. Free memory was 965.9 MB in the beginning and 954.5 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 144.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 954.5 MB in the beginning and 991.4 MB in the end (delta: -36.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.89 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 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 0.1.24-65d6cd2 [2019-11-25 22:50:32,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:50:32,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:50:32,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:50:32,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:50:32,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:50:32,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:50:32,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:50:32,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:50:32,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:50:32,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:50:32,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:50:32,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:50:32,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:50:32,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:50:32,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:50:32,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:50:32,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:50:32,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:50:32,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:50:32,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:50:32,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:50:32,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:50:32,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:50:32,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:50:32,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:50:32,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:50:32,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:50:32,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:50:32,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:50:33,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:50:33,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:50:33,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:50:33,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:50:33,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:50:33,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:50:33,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:50:33,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:50:33,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:50:33,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:50:33,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:50:33,024 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:50:33,065 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:50:33,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:50:33,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:50:33,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:50:33,074 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:50:33,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:50:33,075 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:50:33,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:50:33,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:50:33,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:50:33,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:50:33,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:50:33,079 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:50:33,080 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:50:33,080 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:50:33,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:50:33,081 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:50:33,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:50:33,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:50:33,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:50:33,084 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:50:33,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:50:33,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:50:33,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:50:33,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:50:33,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:50:33,087 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:50:33,087 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:50:33,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:50:33,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:50:33,091 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 [2019-11-25 22:50:33,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:50:33,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:50:33,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:50:33,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:50:33,675 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:50:33,677 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2019-11-25 22:50:33,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f280f87d/afe6b1bf50cd4144b34f2eb9cc00aa66/FLAG6ef2afa5e [2019-11-25 22:50:34,913 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:50:34,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c [2019-11-25 22:50:34,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f280f87d/afe6b1bf50cd4144b34f2eb9cc00aa66/FLAG6ef2afa5e [2019-11-25 22:50:34,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f280f87d/afe6b1bf50cd4144b34f2eb9cc00aa66 [2019-11-25 22:50:34,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:50:34,985 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:50:34,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:34,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:50:34,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:50:35,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:34" (1/1) ... [2019-11-25 22:50:35,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6876a529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:35, skipping insertion in model container [2019-11-25 22:50:35,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:50:34" (1/1) ... [2019-11-25 22:50:35,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:50:35,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:50:35,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:35,568 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:50:35,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:50:35,743 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:50:35,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:35 WrapperNode [2019-11-25 22:50:35,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:50:35,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:35,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:50:35,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:50:35,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:35" (1/1) ... [2019-11-25 22:50:35,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:35" (1/1) ... [2019-11-25 22:50:35,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:50:35,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:50:35,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:50:35,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:50:35,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:35" (1/1) ... [2019-11-25 22:50:35,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:35" (1/1) ... [2019-11-25 22:50:35,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:35" (1/1) ... [2019-11-25 22:50:35,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:35" (1/1) ... [2019-11-25 22:50:35,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:35" (1/1) ... [2019-11-25 22:50:35,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:35" (1/1) ... [2019-11-25 22:50:35,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:50:35" (1/1) ... [2019-11-25 22:50:35,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:50:35,928 INFO L168 Benchmark]: Toolchain (without parser) took 937.40 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:35,942 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:35,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:50:35,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.65 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:35,948 INFO L168 Benchmark]: Boogie Preprocessor took 68.87 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:50:35,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 756.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 97.65 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.87 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...