./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46ed7e350d328defc86a68888178327eb8983b18 ................................................................................................................................. 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46ed7e350d328defc86a68888178327eb8983b18 ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:04:50,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:04:50,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:04:50,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:04:50,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:04:50,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:04:50,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:04:50,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:04:50,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:04:50,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:04:50,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:04:50,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:04:50,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:04:50,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:04:50,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:04:50,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:04:50,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:04:50,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:04:50,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:04:50,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:04:50,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:04:50,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:04:50,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:04:50,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:04:50,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:04:50,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:04:50,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:04:50,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:04:50,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:04:50,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:04:50,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:04:50,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:04:50,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:04:50,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:04:50,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:04:50,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:04:50,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:04:50,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:04:50,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:04:50,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:04:50,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:04:50,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:04:50,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:04:50,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:04:50,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:04:50,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:04:50,866 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:04:50,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:04:50,867 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:04:50,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:04:50,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:04:50,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:04:50,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:04:50,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:04:50,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:04:50,870 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:04:50,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:04:50,870 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:04:50,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:04:50,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:04:50,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:04:50,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:04:50,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:04:50,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:04:50,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:04:50,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:04:50,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:04:50,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:04:50,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:04:50,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:04:50,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:04:50,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46ed7e350d328defc86a68888178327eb8983b18 [2020-12-02 15:04:51,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:04:51,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:04:51,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:04:51,357 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:04:51,358 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:04:51,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-12-02 15:04:51,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0742c6d33/e41a30e57f66433993ab38fbf5724f1b/FLAG372051293 [2020-12-02 15:04:52,160 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:04:52,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-12-02 15:04:52,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0742c6d33/e41a30e57f66433993ab38fbf5724f1b/FLAG372051293 [2020-12-02 15:04:52,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0742c6d33/e41a30e57f66433993ab38fbf5724f1b [2020-12-02 15:04:52,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:04:52,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:04:52,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:04:52,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:04:52,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:04:52,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:04:52" (1/1) ... [2020-12-02 15:04:52,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99b4ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:52, skipping insertion in model container [2020-12-02 15:04:52,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:04:52" (1/1) ... [2020-12-02 15:04:52,395 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:04:52,458 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:04:53,106 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i[36279,36292] [2020-12-02 15:04:53,123 ERROR L337 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-12-02 15:04:53,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@292ab8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:53, skipping insertion in model container [2020-12-02 15:04:53,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:04:53,127 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-02 15:04:53,131 INFO L168 Benchmark]: Toolchain (without parser) took 758.53 ms. Allocated memory is still 44.0 MB. Free memory was 27.9 MB in the beginning and 26.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:04:53,132 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 35.7 MB. Free memory was 22.8 MB in the beginning and 22.7 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:04:53,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.67 ms. Allocated memory is still 44.0 MB. Free memory was 27.8 MB in the beginning and 26.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:04:53,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 35.7 MB. Free memory was 22.8 MB in the beginning and 22.7 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 754.67 ms. Allocated memory is still 44.0 MB. Free memory was 27.8 MB in the beginning and 26.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 885]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:04:55,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:04:55,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:04:55,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:04:55,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:04:55,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:04:55,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:04:55,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:04:55,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:04:55,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:04:55,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:04:55,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:04:55,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:04:55,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:04:55,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:04:55,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:04:55,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:04:55,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:04:55,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:04:55,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:04:55,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:04:55,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:04:55,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:04:55,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:04:55,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:04:55,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:04:55,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:04:55,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:04:55,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:04:55,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:04:55,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:04:55,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:04:55,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:04:55,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:04:55,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:04:55,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:04:55,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:04:55,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:04:55,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:04:55,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:04:55,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:04:55,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:04:55,920 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:04:55,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:04:55,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:04:55,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:04:55,926 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:04:55,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:04:55,927 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:04:55,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:04:55,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:04:55,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:04:55,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:04:55,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:04:55,929 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:04:55,930 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:04:55,930 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:04:55,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:04:55,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:04:55,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:04:55,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:04:55,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:04:55,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:04:55,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:04:55,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:04:55,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:04:55,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:04:55,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:04:55,933 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:04:55,933 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:04:55,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:04:55,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:04:55,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:04:55,934 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46ed7e350d328defc86a68888178327eb8983b18 [2020-12-02 15:04:56,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:04:56,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:04:56,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:04:56,418 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:04:56,419 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:04:56,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-12-02 15:04:56,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6f9e8b5/97cb639e82c84c5b952ed9300effda64/FLAG032133160 [2020-12-02 15:04:57,212 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:04:57,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i [2020-12-02 15:04:57,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6f9e8b5/97cb639e82c84c5b952ed9300effda64/FLAG032133160 [2020-12-02 15:04:57,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6f9e8b5/97cb639e82c84c5b952ed9300effda64 [2020-12-02 15:04:57,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:04:57,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:04:57,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:04:57,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:04:57,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:04:57,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:04:57" (1/1) ... [2020-12-02 15:04:57,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39939c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:57, skipping insertion in model container [2020-12-02 15:04:57,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:04:57" (1/1) ... [2020-12-02 15:04:57,528 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:04:57,601 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:04:58,160 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/modf.i[36279,36292] [2020-12-02 15:04:58,172 ERROR L337 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-12-02 15:04:58,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bc26c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:58, skipping insertion in model container [2020-12-02 15:04:58,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:04:58,173 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-02 15:04:58,176 INFO L168 Benchmark]: Toolchain (without parser) took 673.43 ms. Allocated memory is still 52.4 MB. Free memory was 35.5 MB in the beginning and 34.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:04:58,177 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 41.9 MB. Free memory was 27.0 MB in the beginning and 26.9 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:04:58,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.54 ms. Allocated memory is still 52.4 MB. Free memory was 35.3 MB in the beginning and 34.5 MB in the end (delta: 748.5 kB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:04:58,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 41.9 MB. Free memory was 27.0 MB in the beginning and 26.9 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 667.54 ms. Allocated memory is still 52.4 MB. Free memory was 35.3 MB in the beginning and 34.5 MB in the end (delta: 748.5 kB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 885]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...