./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 13:19:15,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 13:19:15,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 13:19:15,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 13:19:15,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 13:19:15,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 13:19:15,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 13:19:15,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 13:19:15,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 13:19:15,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 13:19:15,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 13:19:15,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 13:19:15,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 13:19:15,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 13:19:15,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 13:19:15,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 13:19:15,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 13:19:15,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 13:19:15,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 13:19:15,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 13:19:15,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 13:19:15,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 13:19:15,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 13:19:15,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 13:19:15,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 13:19:15,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 13:19:15,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 13:19:15,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 13:19:15,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 13:19:15,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 13:19:15,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 13:19:15,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 13:19:15,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 13:19:15,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 13:19:15,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 13:19:15,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 13:19:15,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 13:19:15,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 13:19:15,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 13:19:15,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 13:19:15,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 13:19:15,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 13:19:15,785 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 13:19:15,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 13:19:15,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 13:19:15,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 13:19:15,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 13:19:15,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 13:19:15,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 13:19:15,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 13:19:15,787 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 13:19:15,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 13:19:15,788 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 13:19:15,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 13:19:15,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 13:19:15,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 13:19:15,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 13:19:15,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 13:19:15,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 13:19:15,790 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 13:19:15,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 13:19:15,790 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 13:19:15,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 13:19:15,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 13:19:15,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 13:19:15,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 13:19:15,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 13:19:15,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 13:19:15,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 13:19:15,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 13:19:15,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 13:19:15,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 13:19:15,791 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 13:19:15,792 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 13:19:15,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 13:19:15,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 13:19:15,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-12-14 13:19:15,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 13:19:15,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 13:19:15,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 13:19:15,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 13:19:15,954 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 13:19:15,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-14 13:19:16,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bb467fd9/cf3eb4aae6c0410d957d6740fe4abab2/FLAG68016a039 [2021-12-14 13:19:16,432 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 13:19:16,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-14 13:19:16,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bb467fd9/cf3eb4aae6c0410d957d6740fe4abab2/FLAG68016a039 [2021-12-14 13:19:16,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bb467fd9/cf3eb4aae6c0410d957d6740fe4abab2 [2021-12-14 13:19:16,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 13:19:16,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 13:19:16,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 13:19:16,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 13:19:16,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 13:19:16,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:19:16" (1/1) ... [2021-12-14 13:19:16,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef71f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:19:16, skipping insertion in model container [2021-12-14 13:19:16,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:19:16" (1/1) ... [2021-12-14 13:19:16,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 13:19:16,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 13:19:16,799 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] [2021-12-14 13:19:16,804 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-12-14 13:19:16,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e927bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:19:16, skipping insertion in model container [2021-12-14 13:19:16,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 13:19:16,806 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 13:19:16,808 INFO L158 Benchmark]: Toolchain (without parser) took 356.52ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 94.9MB in the end (delta: -8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 13:19:16,809 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 13:19:16,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.51ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 94.9MB in the end (delta: -8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 13:19:16,811 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 81.8MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.51ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 94.9MB in the end (delta: -8.3MB). 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 13:19:18,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 13:19:18,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 13:19:18,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 13:19:18,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 13:19:18,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 13:19:18,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 13:19:18,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 13:19:18,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 13:19:18,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 13:19:18,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 13:19:18,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 13:19:18,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 13:19:18,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 13:19:18,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 13:19:18,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 13:19:18,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 13:19:18,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 13:19:18,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 13:19:18,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 13:19:18,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 13:19:18,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 13:19:18,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 13:19:18,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 13:19:18,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 13:19:18,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 13:19:18,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 13:19:18,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 13:19:18,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 13:19:18,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 13:19:18,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 13:19:18,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 13:19:18,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 13:19:18,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 13:19:18,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 13:19:18,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 13:19:18,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 13:19:18,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 13:19:18,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 13:19:18,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 13:19:18,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 13:19:18,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-14 13:19:18,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 13:19:18,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 13:19:18,297 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 13:19:18,297 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 13:19:18,298 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 13:19:18,298 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 13:19:18,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 13:19:18,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 13:19:18,299 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 13:19:18,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 13:19:18,300 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 13:19:18,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 13:19:18,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 13:19:18,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 13:19:18,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 13:19:18,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 13:19:18,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 13:19:18,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 13:19:18,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 13:19:18,301 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 13:19:18,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 13:19:18,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 13:19:18,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 13:19:18,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 13:19:18,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 13:19:18,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 13:19:18,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 13:19:18,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 13:19:18,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 13:19:18,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 13:19:18,303 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 13:19:18,303 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 13:19:18,304 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 13:19:18,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 13:19:18,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 13:19:18,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 13:19:18,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 13:19:18,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-12-14 13:19:18,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 13:19:18,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 13:19:18,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 13:19:18,579 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 13:19:18,579 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 13:19:18,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-14 13:19:18,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae71be83/c23697a0f236433383f854ab94dd969c/FLAG9817cd46e [2021-12-14 13:19:19,050 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 13:19:19,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-12-14 13:19:19,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae71be83/c23697a0f236433383f854ab94dd969c/FLAG9817cd46e [2021-12-14 13:19:19,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae71be83/c23697a0f236433383f854ab94dd969c [2021-12-14 13:19:19,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 13:19:19,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 13:19:19,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 13:19:19,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 13:19:19,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 13:19:19,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:19:19" (1/1) ... [2021-12-14 13:19:19,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7baa03eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:19:19, skipping insertion in model container [2021-12-14 13:19:19,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:19:19" (1/1) ... [2021-12-14 13:19:19,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 13:19:19,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 13:19:19,402 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] [2021-12-14 13:19:19,423 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-12-14 13:19:19,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20b49c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:19:19, skipping insertion in model container [2021-12-14 13:19:19,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 13:19:19,424 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 13:19:19,425 INFO L158 Benchmark]: Toolchain (without parser) took 348.62ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.3MB in the beginning and 51.7MB in the end (delta: -17.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-12-14 13:19:19,426 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 13:19:19,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.79ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.2MB in the beginning and 51.7MB in the end (delta: -17.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-12-14 13:19:19,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 47.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.79ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.2MB in the beginning and 51.7MB in the end (delta: -17.5MB). Peak memory consumption was 15.4MB. 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