./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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-cdfpl/square_2.i -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 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-cdfpl/square_2.i -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 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:03:19,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:19,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:19,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:19,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:19,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:19,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:19,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:19,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:19,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:19,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:19,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:19,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:19,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:19,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:19,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:19,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:19,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:19,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:19,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:19,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:19,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:19,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:19,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:19,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:19,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:19,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:19,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:19,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:19,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:19,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:19,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:19,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:19,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:19,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:19,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:19,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:19,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:19,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:19,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:19,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:19,970 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:20,014 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:20,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:20,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:20,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:20,022 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:20,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:20,022 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:20,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:20,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:20,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:20,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:20,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:20,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:20,028 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:20,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:20,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:20,031 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:20,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:20,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:20,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:20,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:20,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:20,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:20,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:20,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:20,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:20,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:20,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:20,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:20,038 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 -> 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 [2019-11-24 21:03:20,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:20,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:20,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:20,692 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:20,694 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:20,695 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_2.i [2019-11-24 21:03:20,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7682e73df/8aa7eac548564689a3a356b40b8d322c/FLAG5a218215c [2019-11-24 21:03:21,810 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:21,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_2.i [2019-11-24 21:03:21,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7682e73df/8aa7eac548564689a3a356b40b8d322c/FLAG5a218215c [2019-11-24 21:03:22,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7682e73df/8aa7eac548564689a3a356b40b8d322c [2019-11-24 21:03:22,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:22,023 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:22,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:22,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:22,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:22,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb904a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22, skipping insertion in model container [2019-11-24 21:03:22,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:22,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:22,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:22,566 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:22,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:22,643 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:22,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22 WrapperNode [2019-11-24 21:03:22,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:22,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:22,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:22,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:22,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:22,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:22,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:22,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:22,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:22,863 INFO L168 Benchmark]: Toolchain (without parser) took 834.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.2 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:22,867 INFO L168 Benchmark]: CDTParser took 2.14 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. [2019-11-24 21:03:22,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:22,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:22,878 INFO L168 Benchmark]: Boogie Preprocessor took 61.68 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:22,889 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.14 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 623.53 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 140.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 996.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.68 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:03:26,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:26,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:26,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:26,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:26,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:26,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:26,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:26,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:26,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:26,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:26,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:26,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:26,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:26,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:26,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:26,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:26,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:26,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:26,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:26,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:26,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:26,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:27,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:27,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:27,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:27,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:27,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:27,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:27,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:27,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:27,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:27,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:27,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:27,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:27,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:27,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:27,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:27,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:27,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:27,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:27,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:03:27,084 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:27,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:27,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:27,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:27,090 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:27,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:27,091 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:27,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:27,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:27,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:27,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:27,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:27,096 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:27,097 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:03:27,097 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:03:27,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:27,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:27,100 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:27,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:27,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:27,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:27,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:27,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:27,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:27,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:27,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:27,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:27,106 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:03:27,106 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:03:27,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:27,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:03:27,108 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 -> 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 [2019-11-24 21:03:27,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:27,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:27,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:27,727 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:27,731 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:27,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_2.i [2019-11-24 21:03:27,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6401874/7877a060bd0a4608b89662baec1fe6a9/FLAG968e8da97 [2019-11-24 21:03:28,896 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:28,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_2.i [2019-11-24 21:03:28,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6401874/7877a060bd0a4608b89662baec1fe6a9/FLAG968e8da97 [2019-11-24 21:03:28,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6401874/7877a060bd0a4608b89662baec1fe6a9 [2019-11-24 21:03:28,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:28,965 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:28,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:28,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:28,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:28,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:28" (1/1) ... [2019-11-24 21:03:28,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12219ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:28, skipping insertion in model container [2019-11-24 21:03:28,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:28" (1/1) ... [2019-11-24 21:03:29,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:29,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:29,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:29,509 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:29,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:29,603 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:29,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:29 WrapperNode [2019-11-24 21:03:29,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:29,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:29,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:29,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:29,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:29" (1/1) ... [2019-11-24 21:03:29,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:29" (1/1) ... [2019-11-24 21:03:29,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:29,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:29,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:29,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:29,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:29" (1/1) ... [2019-11-24 21:03:29,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:29" (1/1) ... [2019-11-24 21:03:29,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:29" (1/1) ... [2019-11-24 21:03:29,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:29" (1/1) ... [2019-11-24 21:03:29,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:29" (1/1) ... [2019-11-24 21:03:29,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:29" (1/1) ... [2019-11-24 21:03:29,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:29" (1/1) ... [2019-11-24 21:03:29,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:29,878 INFO L168 Benchmark]: Toolchain (without parser) took 903.74 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. [2019-11-24 21:03:29,880 INFO L168 Benchmark]: CDTParser took 1.08 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. [2019-11-24 21:03:29,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.90 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. [2019-11-24 21:03:29,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.05 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. [2019-11-24 21:03:29,890 INFO L168 Benchmark]: Boogie Preprocessor took 79.40 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. [2019-11-24 21:03:29,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 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 637.90 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 181.05 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 79.40 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...