./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 f4b24e32 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-?-f4b24e3 [2022-07-13 14:30:57,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:30:57,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:30:57,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:30:57,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:30:57,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:30:57,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:30:57,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:30:57,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:30:57,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:30:57,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:30:57,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:30:57,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:30:57,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:30:57,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:30:57,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:30:57,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:30:57,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:30:57,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:30:57,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:30:57,954 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:30:57,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:30:57,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:30:57,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:30:57,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:30:57,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:30:57,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:30:57,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:30:57,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:30:57,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:30:57,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:30:57,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:30:57,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:30:57,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:30:57,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:30:57,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:30:57,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:30:57,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:30:57,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:30:57,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:30:57,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:30:57,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:30:57,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 14:30:57,997 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:30:57,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:30:57,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:30:57,998 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:30:57,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:30:57,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:30:57,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:30:57,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:30:58,000 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:30:58,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:30:58,001 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:30:58,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 14:30:58,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:30:58,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:30:58,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:30:58,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:30:58,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:30:58,002 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:30:58,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:30:58,003 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:30:58,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:30:58,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:30:58,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:30:58,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:30:58,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:30:58,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:30:58,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:30:58,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:30:58,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 14:30:58,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 14:30:58,005 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:30:58,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:30:58,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:30:58,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-07-13 14:30:58,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:30:58,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:30:58,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:30:58,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:30:58,232 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:30:58,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-07-13 14:30:58,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc47e062/b852b47bab96499d94cc0df531b342f1/FLAGaf111e4ac [2022-07-13 14:30:58,704 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:30:58,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-07-13 14:30:58,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc47e062/b852b47bab96499d94cc0df531b342f1/FLAGaf111e4ac [2022-07-13 14:30:58,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bc47e062/b852b47bab96499d94cc0df531b342f1 [2022-07-13 14:30:58,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:30:58,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:30:58,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:30:58,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:30:58,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:30:58,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:30:58" (1/1) ... [2022-07-13 14:30:58,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c97589e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:58, skipping insertion in model container [2022-07-13 14:30:58,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:30:58" (1/1) ... [2022-07-13 14:30:58,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:30:58,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:30:59,138 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] [2022-07-13 14:30:59,143 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-07-13 14:30:59,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48e26625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:59, skipping insertion in model container [2022-07-13 14:30:59,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:30:59,145 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-13 14:30:59,147 INFO L158 Benchmark]: Toolchain (without parser) took 409.52ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 65.5MB in the end (delta: -9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 14:30:59,148 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory was 60.7MB in the beginning and 60.7MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:30:59,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.51ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 65.5MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 14:30:59,150 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 92.3MB. Free memory was 60.7MB in the beginning and 60.7MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.51ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 65.5MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. 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-?-f4b24e3 [2022-07-13 14:31:00,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:31:00,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:31:00,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:31:00,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:31:00,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:31:00,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:31:00,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:31:00,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:31:00,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:31:00,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:31:00,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:31:00,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:31:00,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:31:00,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:31:00,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:31:00,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:31:00,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:31:00,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:31:00,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:31:00,697 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:31:00,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:31:00,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:31:00,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:31:00,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:31:00,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:31:00,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:31:00,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:31:00,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:31:00,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:31:00,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:31:00,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:31:00,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:31:00,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:31:00,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:31:00,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:31:00,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:31:00,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:31:00,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:31:00,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:31:00,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:31:00,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:31:00,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 14:31:00,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:31:00,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:31:00,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:31:00,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:31:00,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:31:00,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:31:00,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:31:00,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:31:00,743 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:31:00,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:31:00,744 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:31:00,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:31:00,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:31:00,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:31:00,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:31:00,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:31:00,745 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 14:31:00,745 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 14:31:00,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 14:31:00,745 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:31:00,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:31:00,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:31:00,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:31:00,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:31:00,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:31:00,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:31:00,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:31:00,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:31:00,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:31:00,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:31:00,747 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 14:31:00,747 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 14:31:00,748 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:31:00,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:31:00,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:31:00,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 14:31:00,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-07-13 14:31:00,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:31:01,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:31:01,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:31:01,014 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:31:01,014 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:31:01,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-07-13 14:31:01,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ef0766be/b9ce52e3e91b40bf88ab8212b846a255/FLAG371c353bf [2022-07-13 14:31:01,474 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:31:01,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-07-13 14:31:01,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ef0766be/b9ce52e3e91b40bf88ab8212b846a255/FLAG371c353bf [2022-07-13 14:31:01,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ef0766be/b9ce52e3e91b40bf88ab8212b846a255 [2022-07-13 14:31:01,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:31:01,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:31:01,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:31:01,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:31:01,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:31:01,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:31:01" (1/1) ... [2022-07-13 14:31:01,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d87918e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:01, skipping insertion in model container [2022-07-13 14:31:01,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:31:01" (1/1) ... [2022-07-13 14:31:01,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:31:01,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:31:01,942 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] [2022-07-13 14:31:01,953 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-07-13 14:31:01,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bd0578e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:01, skipping insertion in model container [2022-07-13 14:31:01,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:31:01,954 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-13 14:31:01,956 INFO L158 Benchmark]: Toolchain (without parser) took 453.32ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 26.4MB in the beginning and 49.4MB in the end (delta: -22.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-07-13 14:31:01,957 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 32.1MB in the beginning and 32.0MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:31:01,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.18ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 26.2MB in the beginning and 49.4MB in the end (delta: -23.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-07-13 14:31:01,960 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 50.3MB. Free memory was 32.1MB in the beginning and 32.0MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.18ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 26.2MB in the beginning and 49.4MB in the end (delta: -23.2MB). Peak memory consumption was 5.2MB. 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