./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float13.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/floats-cbmc-regression/float13.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 f0b260d5621e751a2a11e1abae0e8375b5cfb29c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float13.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 f0b260d5621e751a2a11e1abae0e8375b5cfb29c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:06:34,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:34,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:34,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:34,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:34,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:34,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:34,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:34,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:34,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:34,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:34,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:34,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:34,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:34,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:34,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:34,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:34,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:34,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:34,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:34,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:34,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:34,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:34,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:34,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:34,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:34,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:34,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:34,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:34,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:34,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:34,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:34,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:34,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:34,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:34,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:34,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:34,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:34,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:34,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:34,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:34,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:34,907 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:34,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:34,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:34,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:34,916 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:34,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:34,919 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:34,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:34,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:34,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:34,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:34,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:34,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:34,922 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:34,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:34,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:34,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:34,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:34,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:34,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:34,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:34,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:34,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:34,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:34,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:34,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:34,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:34,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:34,934 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 -> f0b260d5621e751a2a11e1abae0e8375b5cfb29c [2019-11-27 16:06:35,546 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:35,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:35,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:35,590 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:35,591 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:35,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float13.c [2019-11-27 16:06:35,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f439dba4/f08c5d15d2c94513a583b103567f1c92/FLAGb06b58e8c [2019-11-27 16:06:36,699 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:36,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c [2019-11-27 16:06:36,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f439dba4/f08c5d15d2c94513a583b103567f1c92/FLAGb06b58e8c [2019-11-27 16:06:36,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f439dba4/f08c5d15d2c94513a583b103567f1c92 [2019-11-27 16:06:36,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:36,910 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:36,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:36,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:36,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:36,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:36" (1/1) ... [2019-11-27 16:06:36,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a51836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:36, skipping insertion in model container [2019-11-27 16:06:36,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:36" (1/1) ... [2019-11-27 16:06:36,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:37,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:37,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:37,456 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:37,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:37,535 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:37,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:37 WrapperNode [2019-11-27 16:06:37,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:37,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:37,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:37,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:37,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:37" (1/1) ... [2019-11-27 16:06:37,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:37" (1/1) ... [2019-11-27 16:06:37,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:37,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:37,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:37,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:37,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:37" (1/1) ... [2019-11-27 16:06:37,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:37" (1/1) ... [2019-11-27 16:06:37,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:37" (1/1) ... [2019-11-27 16:06:37,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:37" (1/1) ... [2019-11-27 16:06:37,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:37" (1/1) ... [2019-11-27 16:06:37,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:37" (1/1) ... [2019-11-27 16:06:37,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:37" (1/1) ... [2019-11-27 16:06:37,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:37,795 INFO L168 Benchmark]: Toolchain (without parser) took 884.71 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 991.4 MB in the end (delta: -29.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:37,797 INFO L168 Benchmark]: CDTParser took 0.86 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 16:06:37,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.08 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 16:06:37,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:37,819 INFO L168 Benchmark]: Boogie Preprocessor took 62.24 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:37,828 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 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 629.08 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 176.56 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.24 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:06:41,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:41,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:41,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:41,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:41,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:41,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:41,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:41,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:41,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:41,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:41,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:41,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:41,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:41,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:41,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:41,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:41,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:41,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:41,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:41,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:41,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:41,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:41,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:41,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:41,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:41,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:41,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:41,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:41,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:41,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:41,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:41,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:41,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:41,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:41,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:41,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:41,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:41,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:41,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:41,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:41,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:06:41,940 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:41,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:41,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:41,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:41,950 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:41,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:41,951 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:41,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:41,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:41,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:41,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:41,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:41,955 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:06:41,956 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:06:41,957 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:41,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:41,958 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:41,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:41,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:41,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:41,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:41,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:41,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:41,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:41,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:41,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:41,963 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:06:41,964 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:06:41,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:41,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:06:41,968 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 -> f0b260d5621e751a2a11e1abae0e8375b5cfb29c [2019-11-27 16:06:42,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:42,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:42,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:42,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:42,596 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:42,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float13.c [2019-11-27 16:06:42,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a999714d7/ecfc206368ce4467905105eb480335e4/FLAGee8b644e8 [2019-11-27 16:06:43,765 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:43,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float13.c [2019-11-27 16:06:43,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a999714d7/ecfc206368ce4467905105eb480335e4/FLAGee8b644e8 [2019-11-27 16:06:43,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a999714d7/ecfc206368ce4467905105eb480335e4 [2019-11-27 16:06:43,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:43,833 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:43,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:43,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:43,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:43,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:43" (1/1) ... [2019-11-27 16:06:43,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f8899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:43, skipping insertion in model container [2019-11-27 16:06:43,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:43" (1/1) ... [2019-11-27 16:06:43,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:43,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:44,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:44,394 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:44,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:44,505 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:44,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:44 WrapperNode [2019-11-27 16:06:44,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:44,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:44,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:44,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:44,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:44" (1/1) ... [2019-11-27 16:06:44,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:44" (1/1) ... [2019-11-27 16:06:44,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:44,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:44,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:44,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:44,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:44" (1/1) ... [2019-11-27 16:06:44,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:44" (1/1) ... [2019-11-27 16:06:44,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:44" (1/1) ... [2019-11-27 16:06:44,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:44" (1/1) ... [2019-11-27 16:06:44,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:44" (1/1) ... [2019-11-27 16:06:44,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:44" (1/1) ... [2019-11-27 16:06:44,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:44" (1/1) ... [2019-11-27 16:06:44,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:44,814 INFO L168 Benchmark]: Toolchain (without parser) took 973.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.1 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:44,816 INFO L168 Benchmark]: CDTParser took 2.90 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:44,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.16 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 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. [2019-11-27 16:06:44,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.64 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 996.9 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:44,824 INFO L168 Benchmark]: Boogie Preprocessor took 88.13 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:44,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.90 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 674.16 ms. Allocated memory is still 1.0 GB. Free memory was 966.0 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 205.64 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 996.9 MB in the end (delta: -42.4 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.13 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 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...