./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/modf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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 ../sv-benchmarks/c/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 c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:19:24,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:19:24,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:19:24,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:19:24,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:19:24,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:19:24,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:19:24,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:19:24,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:19:24,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:19:24,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:19:24,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:19:24,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:19:24,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:19:24,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:19:24,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:19:24,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:19:24,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:19:24,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:19:24,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:19:24,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:19:24,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:19:24,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:19:24,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:19:24,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:19:24,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:19:24,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:19:24,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:19:24,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:19:24,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:19:24,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:19:24,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:19:24,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:19:24,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:19:24,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:19:24,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:19:24,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:19:24,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:19:24,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:19:24,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:19:24,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:19:24,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 07:19:24,925 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:19:24,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:19:24,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:19:24,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:19:24,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:19:24,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:19:24,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:19:24,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:19:24,929 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:19:24,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:19:24,929 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:19:24,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 07:19:24,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:19:24,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:19:24,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:19:24,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:19:24,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:19:24,930 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:19:24,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:19:24,931 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:19:24,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:19:24,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:19:24,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:19:24,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:19:24,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:19:24,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:19:24,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:19:24,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:19:24,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 07:19:24,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 07:19:24,933 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:19:24,933 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:19:24,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:19:24,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:19:24,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-12-17 07:19:25,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:19:25,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:19:25,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:19:25,138 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:19:25,139 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:19:25,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-17 07:19:25,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ce25bcc5/44a0cfa63ec74d38bd5f4f0aa95ea44a/FLAG4bcd9593d [2021-12-17 07:19:25,608 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:19:25,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-17 07:19:25,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ce25bcc5/44a0cfa63ec74d38bd5f4f0aa95ea44a/FLAG4bcd9593d [2021-12-17 07:19:25,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ce25bcc5/44a0cfa63ec74d38bd5f4f0aa95ea44a [2021-12-17 07:19:25,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:19:25,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:19:25,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:19:25,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:19:25,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:19:25,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:19:25" (1/1) ... [2021-12-17 07:19:25,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec9def0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:19:25, skipping insertion in model container [2021-12-17 07:19:25,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:19:25" (1/1) ... [2021-12-17 07:19:25,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:19:25,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:19:26,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2021-12-17 07:19:26,055 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-12-17 07:19:26,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d771649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:19:26, skipping insertion in model container [2021-12-17 07:19:26,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:19:26,057 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-17 07:19:26,059 INFO L158 Benchmark]: Toolchain (without parser) took 425.70ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 62.1MB in the beginning and 89.1MB in the end (delta: -26.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-17 07:19:26,060 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:19:26,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.35ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.9MB in the beginning and 89.1MB in the end (delta: -27.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-17 07:19:26,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.35ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.9MB in the beginning and 89.1MB in the end (delta: -27.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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 ../sv-benchmarks/c/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 c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:19:27,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:19:27,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:19:27,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:19:27,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:19:27,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:19:27,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:19:27,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:19:27,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:19:27,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:19:27,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:19:27,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:19:27,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:19:27,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:19:27,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:19:27,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:19:27,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:19:27,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:19:27,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:19:27,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:19:27,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:19:27,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:19:27,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:19:27,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:19:27,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:19:27,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:19:27,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:19:27,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:19:27,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:19:27,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:19:27,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:19:27,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:19:27,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:19:27,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:19:27,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:19:27,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:19:27,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:19:27,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:19:27,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:19:27,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:19:27,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:19:27,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 07:19:27,760 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:19:27,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:19:27,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:19:27,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:19:27,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:19:27,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:19:27,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:19:27,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:19:27,764 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:19:27,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:19:27,765 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:19:27,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:19:27,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:19:27,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:19:27,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:19:27,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:19:27,766 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 07:19:27,766 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 07:19:27,766 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 07:19:27,766 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:19:27,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:19:27,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:19:27,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:19:27,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:19:27,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:19:27,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:19:27,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:19:27,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:19:27,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:19:27,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:19:27,768 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 07:19:27,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 07:19:27,768 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:19:27,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:19:27,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:19:27,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:19:27,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 07:19:27,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-12-17 07:19:28,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:19:28,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:19:28,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:19:28,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:19:28,107 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:19:28,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-17 07:19:28,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd9295d5/0bfbbebd40f54180be1146de5f955dff/FLAG72568fbbd [2021-12-17 07:19:28,565 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:19:28,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-17 07:19:28,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd9295d5/0bfbbebd40f54180be1146de5f955dff/FLAG72568fbbd [2021-12-17 07:19:28,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd9295d5/0bfbbebd40f54180be1146de5f955dff [2021-12-17 07:19:28,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:19:28,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:19:28,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:19:28,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:19:28,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:19:28,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:19:28" (1/1) ... [2021-12-17 07:19:28,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2927d2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:19:28, skipping insertion in model container [2021-12-17 07:19:28,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:19:28" (1/1) ... [2021-12-17 07:19:28,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:19:28,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:19:29,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2021-12-17 07:19:29,329 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-12-17 07:19:29,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e3a7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:19:29, skipping insertion in model container [2021-12-17 07:19:29,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:19:29,349 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-17 07:19:29,351 INFO L158 Benchmark]: Toolchain (without parser) took 433.64ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 23.1MB in the beginning and 41.5MB in the end (delta: -18.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-12-17 07:19:29,351 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:19:29,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.25ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 22.9MB in the beginning and 41.8MB in the end (delta: -18.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-12-17 07:19:29,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.25ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 22.9MB in the beginning and 41.8MB in the end (delta: -18.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN