./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/addsub_float_exact.c --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/float-benchs/addsub_float_exact.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 e96842f9a03cb3c7d57e4720c2380ee270a08502 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/addsub_float_exact.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 e96842f9a03cb3c7d57e4720c2380ee270a08502 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:44:57,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:44:57,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:44:57,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:44:57,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:44:57,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:44:57,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:44:57,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:44:57,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:44:57,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:44:57,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:44:57,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:44:57,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:44:57,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:44:57,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:44:57,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:44:57,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:44:57,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:44:57,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:44:57,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:44:57,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:44:57,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:44:57,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:44:57,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:44:57,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:44:57,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:44:57,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:44:58,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:44:58,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:44:58,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:44:58,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:44:58,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:44:58,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:44:58,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:44:58,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:44:58,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:44:58,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:44:58,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:44:58,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:44:58,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:44:58,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:44:58,032 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:44:58,072 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:44:58,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:44:58,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:44:58,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:44:58,078 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:44:58,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:44:58,081 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:44:58,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:44:58,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:44:58,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:44:58,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:44:58,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:44:58,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:44:58,086 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:44:58,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:44:58,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:44:58,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:44:58,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:44:58,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:44:58,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:44:58,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:44:58,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:44:58,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:44:58,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:44:58,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:44:58,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:44:58,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:44:58,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:44:58,098 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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2019-11-27 09:44:58,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:44:58,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:44:58,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:44:58,738 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:44:58,740 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:44:58,741 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/addsub_float_exact.c [2019-11-27 09:44:58,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f32b412/f2c688e2dc1d427993f0ee1d931b4055/FLAG3d9ab2350 [2019-11-27 09:44:59,997 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:00,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/addsub_float_exact.c [2019-11-27 09:45:00,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f32b412/f2c688e2dc1d427993f0ee1d931b4055/FLAG3d9ab2350 [2019-11-27 09:45:00,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f32b412/f2c688e2dc1d427993f0ee1d931b4055 [2019-11-27 09:45:00,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:00,065 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:00,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:00,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:00,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:00,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00, skipping insertion in model container [2019-11-27 09:45:00,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:00,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:00,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:00,553 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:00,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:00,629 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:00,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00 WrapperNode [2019-11-27 09:45:00,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:00,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:00,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:00,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:00,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:00,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:00,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:00,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:00,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:00" (1/1) ... [2019-11-27 09:45:00,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:00,845 INFO L168 Benchmark]: Toolchain (without parser) took 776.10 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 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:00,847 INFO L168 Benchmark]: CDTParser took 1.37 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 09:45:00,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.96 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:00,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:00,868 INFO L168 Benchmark]: Boogie Preprocessor took 32.95 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:00,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 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 564.96 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 167.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 32.95 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 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-da95e15 [2019-11-27 09:45:04,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:04,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:04,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:04,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:04,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:04,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:04,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:04,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:04,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:04,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:04,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:04,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:04,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:04,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:04,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:04,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:04,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:04,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:04,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:04,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:04,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:04,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:04,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:04,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:04,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:04,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:05,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:05,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:05,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:05,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:05,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:05,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:05,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:05,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:05,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:05,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:05,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:05,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:05,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:05,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:05,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:05,073 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:05,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:05,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:05,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:05,082 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:05,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:05,082 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:05,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:05,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:05,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:05,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:05,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:05,089 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:05,089 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:05,090 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:05,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:05,090 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:05,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:05,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:05,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:05,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:05,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:05,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:05,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:05,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:05,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:05,097 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:05,097 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:05,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:05,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:05,099 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 -> e96842f9a03cb3c7d57e4720c2380ee270a08502 [2019-11-27 09:45:05,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:05,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:05,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:05,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:05,751 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:05,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/addsub_float_exact.c [2019-11-27 09:45:05,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3565f8fcd/c33d30b9c66142489edbf7063e567dc5/FLAG349a558e9 [2019-11-27 09:45:06,978 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:06,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/addsub_float_exact.c [2019-11-27 09:45:06,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3565f8fcd/c33d30b9c66142489edbf7063e567dc5/FLAG349a558e9 [2019-11-27 09:45:07,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3565f8fcd/c33d30b9c66142489edbf7063e567dc5 [2019-11-27 09:45:07,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:07,044 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:07,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:07,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:07,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:07,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cb08cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07, skipping insertion in model container [2019-11-27 09:45:07,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:07,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:07,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:07,595 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:07,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:07,675 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:07,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07 WrapperNode [2019-11-27 09:45:07,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:07,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:07,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:07,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:07,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:07,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:07,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:07,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:07,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:07" (1/1) ... [2019-11-27 09:45:07,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:07,953 INFO L168 Benchmark]: Toolchain (without parser) took 901.56 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:07,956 INFO L168 Benchmark]: CDTParser took 0.49 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 09:45:07,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.23 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:07,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 192.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:07,965 INFO L168 Benchmark]: Boogie Preprocessor took 68.35 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 09:45:07,976 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 629.23 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 192.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.35 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...