./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/modf.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 527e040d46fd13f052781cd3bb4409f7548c45aa ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 527e040d46fd13f052781cd3bb4409f7548c45aa ............................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:32:13,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:32:13,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:32:13,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:32:13,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:32:13,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:32:13,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:32:13,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:32:13,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:32:13,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:32:13,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:32:13,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:32:13,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:32:13,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:32:13,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:32:13,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:32:13,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:32:13,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:32:13,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:32:13,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:32:13,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:32:13,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:32:13,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:32:13,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:32:13,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:32:13,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:32:13,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:32:13,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:32:13,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:32:13,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:32:13,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:32:13,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:32:13,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:32:13,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:32:13,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:32:13,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:32:13,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:32:13,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:32:13,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:32:13,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:32:13,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:32:13,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:32:13,447 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:32:13,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:32:13,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:32:13,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:32:13,453 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:32:13,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:32:13,453 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:32:13,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:32:13,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:32:13,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:32:13,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:32:13,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:32:13,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:32:13,456 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:32:13,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:32:13,457 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:32:13,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:32:13,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:32:13,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:32:13,458 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:32:13,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:32:13,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:32:13,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:32:13,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:32:13,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:32:13,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:32:13,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:32:13,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:32:13,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:32:13,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 527e040d46fd13f052781cd3bb4409f7548c45aa [2020-07-28 17:32:13,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:32:13,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:32:13,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:32:13,776 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:32:13,776 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:32:13,777 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-07-28 17:32:13,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c30b7ee/3995ad6654904330b9f334638ffd7c63/FLAG290858cad [2020-07-28 17:32:14,362 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:32:14,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-07-28 17:32:14,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c30b7ee/3995ad6654904330b9f334638ffd7c63/FLAG290858cad [2020-07-28 17:32:14,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c30b7ee/3995ad6654904330b9f334638ffd7c63 [2020-07-28 17:32:14,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:32:14,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:32:14,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:32:14,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:32:14,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:32:14,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:32:14" (1/1) ... [2020-07-28 17:32:14,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6003ba22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:14, skipping insertion in model container [2020-07-28 17:32:14,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:32:14" (1/1) ... [2020-07-28 17:32:14,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:32:14,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:32:15,087 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-07-28 17:32:15,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b538f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:15, skipping insertion in model container [2020-07-28 17:32:15,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:32:15,088 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-07-28 17:32:15,092 INFO L168 Benchmark]: Toolchain (without parser) took 512.66 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 938.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:15,092 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:32:15,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.65 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 938.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:15,095 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 506.65 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 938.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 874]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:32:16,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:32:16,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:32:16,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:32:16,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:32:16,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:32:16,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:32:16,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:32:16,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:32:16,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:32:16,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:32:16,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:32:16,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:32:16,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:32:16,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:32:16,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:32:16,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:32:16,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:32:16,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:32:16,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:32:16,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:32:16,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:32:16,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:32:16,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:32:16,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:32:16,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:32:16,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:32:16,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:32:16,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:32:16,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:32:16,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:32:16,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:32:16,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:32:16,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:32:16,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:32:16,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:32:16,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:32:16,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:32:16,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:32:16,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:32:16,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:32:16,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:32:16,973 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:32:16,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:32:16,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:32:16,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:32:16,975 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:32:16,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:32:16,976 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:32:16,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:32:16,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:32:16,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:32:16,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:32:16,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:32:16,977 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:32:16,977 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:32:16,978 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:32:16,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:32:16,978 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:32:16,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:32:16,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:32:16,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:32:16,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:32:16,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:32:16,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:32:16,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:32:16,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:32:16,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:32:16,981 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:32:16,981 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:32:16,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:32:16,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:32:16,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:32:16,982 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 527e040d46fd13f052781cd3bb4409f7548c45aa [2020-07-28 17:32:17,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:32:17,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:32:17,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:32:17,307 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:32:17,308 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:32:17,308 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-07-28 17:32:17,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291c140be/6b7629f547794332aec729e33e354181/FLAG4403dcb36 [2020-07-28 17:32:17,872 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:32:17,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-07-28 17:32:17,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291c140be/6b7629f547794332aec729e33e354181/FLAG4403dcb36 [2020-07-28 17:32:18,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291c140be/6b7629f547794332aec729e33e354181 [2020-07-28 17:32:18,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:32:18,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:32:18,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:32:18,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:32:18,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:32:18,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:32:18" (1/1) ... [2020-07-28 17:32:18,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a573360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:18, skipping insertion in model container [2020-07-28 17:32:18,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:32:18" (1/1) ... [2020-07-28 17:32:18,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:32:18,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:32:18,850 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-07-28 17:32:18,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5fbbbb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:18, skipping insertion in model container [2020-07-28 17:32:18,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:32:18,851 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-07-28 17:32:18,855 INFO L168 Benchmark]: Toolchain (without parser) took 698.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:18,856 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:32:18,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:18,860 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 693.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 874]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...