./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 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 -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 0.1.24-30f4e4a [2019-11-27 23:39:57,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:39:57,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:39:57,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:39:57,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:39:57,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:39:57,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:39:57,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:39:57,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:39:57,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:39:57,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:39:57,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:39:57,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:39:57,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:39:57,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:39:57,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:39:57,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:39:57,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:39:57,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:39:57,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:39:57,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:39:57,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:39:57,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:39:57,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:39:57,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:39:57,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:39:57,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:39:57,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:39:57,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:39:57,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:39:57,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:39:57,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:39:57,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:39:57,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:39:57,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:39:57,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:39:57,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:39:57,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:39:57,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:39:57,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:39:57,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:39:57,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:39:57,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:39:57,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:39:57,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:39:57,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:39:57,682 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:39:57,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:39:57,683 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:39:57,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:39:57,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:39:57,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:39:57,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:39:57,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:39:57,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:39:57,685 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:39:57,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:39:57,685 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:39:57,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:39:57,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:39:57,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:39:57,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:39:57,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:39:57,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:39:57,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:39:57,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:39:57,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:39:57,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:39:57,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:39:57,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:39:57,689 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 [2019-11-27 23:39:58,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:39:58,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:39:58,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:39:58,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:39:58,035 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:39:58,037 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2019-11-27 23:39:58,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea5646f5d/89d59e6d9be1439c8489596f8af555eb/FLAG0015091ca [2019-11-27 23:39:58,727 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:39:58,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2019-11-27 23:39:58,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea5646f5d/89d59e6d9be1439c8489596f8af555eb/FLAG0015091ca [2019-11-27 23:39:58,942 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea5646f5d/89d59e6d9be1439c8489596f8af555eb [2019-11-27 23:39:58,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:39:58,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:39:58,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:39:58,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:39:58,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:39:58,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:39:58" (1/1) ... [2019-11-27 23:39:58,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e7655c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:58, skipping insertion in model container [2019-11-27 23:39:58,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:39:58" (1/1) ... [2019-11-27 23:39:58,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:39:59,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:39:59,555 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2019-11-27 23:39:59,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@718c8e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:59, skipping insertion in model container [2019-11-27 23:39:59,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:39:59,557 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-27 23:39:59,560 INFO L168 Benchmark]: Toolchain (without parser) took 612.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:39:59,561 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:39:59,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:39:59,564 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 26.7 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 0.1.24-30f4e4a [2019-11-27 23:40:01,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:40:01,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:40:01,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:40:01,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:40:01,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:40:01,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:40:01,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:40:01,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:40:01,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:40:01,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:40:01,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:40:01,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:40:01,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:40:01,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:40:01,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:40:01,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:40:01,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:40:01,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:40:01,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:40:01,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:40:01,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:40:01,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:40:01,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:40:01,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:40:01,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:40:01,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:40:01,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:40:01,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:40:01,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:40:01,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:40:01,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:40:01,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:40:01,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:40:01,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:40:01,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:40:01,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:40:01,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:40:01,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:40:01,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:40:01,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:40:01,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:40:01,628 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:40:01,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:40:01,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:40:01,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:40:01,631 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:40:01,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:40:01,631 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:40:01,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:40:01,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:40:01,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:40:01,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:40:01,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:40:01,633 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:40:01,633 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:40:01,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:40:01,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:40:01,634 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:40:01,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:40:01,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:40:01,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:40:01,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:40:01,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:40:01,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:40:01,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:40:01,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:40:01,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:40:01,637 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:40:01,637 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:40:01,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:40:01,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:40:01,638 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 [2019-11-27 23:40:01,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:40:01,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:40:01,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:40:01,974 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:40:01,974 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:40:01,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2019-11-27 23:40:02,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbe85b076/95a3aaf1707042c984af5d3add8d0d00/FLAG7231df302 [2019-11-27 23:40:02,602 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:40:02,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2019-11-27 23:40:02,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbe85b076/95a3aaf1707042c984af5d3add8d0d00/FLAG7231df302 [2019-11-27 23:40:02,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbe85b076/95a3aaf1707042c984af5d3add8d0d00 [2019-11-27 23:40:02,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:40:02,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:40:02,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:40:02,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:40:02,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:40:02,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:40:02" (1/1) ... [2019-11-27 23:40:02,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4f4d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:02, skipping insertion in model container [2019-11-27 23:40:02,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:40:02" (1/1) ... [2019-11-27 23:40:02,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:40:02,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:40:03,676 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2019-11-27 23:40:03,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6675ad4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:03, skipping insertion in model container [2019-11-27 23:40:03,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:40:03,678 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-27 23:40:03,680 INFO L168 Benchmark]: Toolchain (without parser) took 788.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:03,681 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:40:03,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:40:03,685 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 785.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 21.3 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...