./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/addsub_float_inexact.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/addsub_float_inexact.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 a9ad6ad46925d70ccfe8113c6806757723d44310 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_inexact.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 a9ad6ad46925d70ccfe8113c6806757723d44310 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:06:47,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:47,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:47,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:47,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:47,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:47,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:47,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:47,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:47,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:47,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:47,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:47,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:47,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:47,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:47,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:47,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:47,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:47,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:47,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:47,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:47,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:47,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:47,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:47,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:47,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:47,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:47,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:47,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:47,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:47,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:47,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:47,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:47,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:47,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:47,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:47,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:47,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:47,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:47,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:48,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:48,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:48,041 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:48,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:48,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:48,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:48,049 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:48,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:48,052 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:48,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:48,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:48,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:48,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:48,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:48,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:48,058 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:48,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:48,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:48,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:48,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:48,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:48,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:48,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:48,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:48,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:48,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:48,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:48,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:48,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:48,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:48,066 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 -> a9ad6ad46925d70ccfe8113c6806757723d44310 [2019-11-27 16:06:48,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:48,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:48,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:48,702 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:48,705 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:48,709 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2019-11-27 16:06:48,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11df173b/44acd5d691204f709bc7522ca12d0b13/FLAG58eb2c195 [2019-11-27 16:06:49,878 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:49,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2019-11-27 16:06:49,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11df173b/44acd5d691204f709bc7522ca12d0b13/FLAG58eb2c195 [2019-11-27 16:06:49,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11df173b/44acd5d691204f709bc7522ca12d0b13 [2019-11-27 16:06:49,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:49,950 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:49,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:49,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:49,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:49,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:49" (1/1) ... [2019-11-27 16:06:49,976 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 04:06:49, skipping insertion in model container [2019-11-27 16:06:49,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:49" (1/1) ... [2019-11-27 16:06:49,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:50,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:50,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:50,483 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:50,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:50,561 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:50,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:50 WrapperNode [2019-11-27 16:06:50,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:50,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:50,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:50,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:50,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:50" (1/1) ... [2019-11-27 16:06:50,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:50" (1/1) ... [2019-11-27 16:06:50,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:50,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:50,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:50,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:50,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:50" (1/1) ... [2019-11-27 16:06:50,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:50" (1/1) ... [2019-11-27 16:06:50,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:50" (1/1) ... [2019-11-27 16:06:50,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:50" (1/1) ... [2019-11-27 16:06:50,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:50" (1/1) ... [2019-11-27 16:06:50,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:50" (1/1) ... [2019-11-27 16:06:50,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:50" (1/1) ... [2019-11-27 16:06:50,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:50,764 INFO L168 Benchmark]: Toolchain (without parser) took 806.85 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 16:06:50,767 INFO L168 Benchmark]: CDTParser took 0.54 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 16:06:50,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.98 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 16:06:50,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.62 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 16:06:50,785 INFO L168 Benchmark]: Boogie Preprocessor took 24.07 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 16:06:50,797 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 610.98 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 162.62 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 24.07 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 0.1.24-509859d [2019-11-27 16:06:54,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:54,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:54,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:54,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:54,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:54,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:54,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:54,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:54,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:54,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:54,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:54,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:54,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:54,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:54,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:54,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:54,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:54,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:54,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:54,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:54,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:54,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:54,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:54,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:54,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:55,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:55,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:55,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:55,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:55,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:55,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:55,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:55,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:55,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:55,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:55,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:55,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:55,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:55,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:55,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:55,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:06:55,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:55,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:55,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:55,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:55,080 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:55,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:55,081 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:55,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:55,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:55,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:55,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:55,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:55,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:06:55,087 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:06:55,089 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:55,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:55,090 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:55,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:55,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:55,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:55,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:55,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:55,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:55,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:55,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:55,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:55,096 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:06:55,096 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:06:55,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:55,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:06:55,100 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 -> a9ad6ad46925d70ccfe8113c6806757723d44310 [2019-11-27 16:06:55,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:55,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:55,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:55,733 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:55,735 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:55,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2019-11-27 16:06:55,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78c5be14/8a32e6f510854d32a9b4c6326ea9ba97/FLAGac922133c [2019-11-27 16:06:56,981 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:56,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2019-11-27 16:06:56,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78c5be14/8a32e6f510854d32a9b4c6326ea9ba97/FLAGac922133c [2019-11-27 16:06:57,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e78c5be14/8a32e6f510854d32a9b4c6326ea9ba97 [2019-11-27 16:06:57,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:57,056 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:57,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:57,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:57,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:57,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:57" (1/1) ... [2019-11-27 16:06:57,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36afd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:57, skipping insertion in model container [2019-11-27 16:06:57,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:57" (1/1) ... [2019-11-27 16:06:57,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:57,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:57,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:57,619 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:57,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:57,704 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:57,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:57 WrapperNode [2019-11-27 16:06:57,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:57,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:57,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:57,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:57,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:57" (1/1) ... [2019-11-27 16:06:57,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:57" (1/1) ... [2019-11-27 16:06:57,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:57,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:57,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:57,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:57,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:57" (1/1) ... [2019-11-27 16:06:57,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:57" (1/1) ... [2019-11-27 16:06:57,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:57" (1/1) ... [2019-11-27 16:06:57,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:57" (1/1) ... [2019-11-27 16:06:57,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:57" (1/1) ... [2019-11-27 16:06:57,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:57" (1/1) ... [2019-11-27 16:06:57,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:57" (1/1) ... [2019-11-27 16:06:57,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:57,988 INFO L168 Benchmark]: Toolchain (without parser) took 926.15 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 16:06:57,992 INFO L168 Benchmark]: CDTParser took 1.68 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 16:06:57,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.76 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 16:06:57,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:58,002 INFO L168 Benchmark]: Boogie Preprocessor took 70.19 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 16:06:58,013 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.68 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 648.76 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 198.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 70.19 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...