./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 9a8b2e8d 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_1.3.100.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46ed7e350d328defc86a68888178327eb8983b18 ........................................................................................................................... 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 -Xmx15G -Xms4m -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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 46ed7e350d328defc86a68888178327eb8983b18 ............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:25:41,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:25:41,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:25:41,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:25:41,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:25:41,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:25:41,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:25:41,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:25:41,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:25:41,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:25:41,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:25:41,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:25:41,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:25:41,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:25:41,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:25:41,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:25:41,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:25:41,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:25:41,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:25:41,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:25:41,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:25:41,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:25:41,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:25:41,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:25:41,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:25:41,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:25:41,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:25:41,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:25:41,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:25:41,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:25:41,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:25:41,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:25:41,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:25:41,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:25:41,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:25:41,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:25:41,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:25:41,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:25:41,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:25:41,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:25:41,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:25:41,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:25:41,628 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:25:41,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:25:41,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:25:41,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:25:41,629 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:25:41,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:25:41,630 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:25:41,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:25:41,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:25:41,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:25:41,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:25:41,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:25:41,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:25:41,632 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:25:41,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:25:41,632 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:25:41,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:25:41,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:25:41,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:25:41,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:25:41,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:25:41,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:25:41,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:25:41,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:25:41,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:25:41,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:25:41,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:25:41,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:25:41,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:25:41,635 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(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 -> 46ed7e350d328defc86a68888178327eb8983b18 [2020-10-20 00:25:41,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:25:41,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:25:41,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:25:41,865 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:25:41,866 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:25:41,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-10-20 00:25:41,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0979670eb/f65b84dbae1d46acb660d1f81604313c/FLAGe3ff17ec6 [2020-10-20 00:25:42,518 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:25:42,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-10-20 00:25:42,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0979670eb/f65b84dbae1d46acb660d1f81604313c/FLAGe3ff17ec6 [2020-10-20 00:25:42,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0979670eb/f65b84dbae1d46acb660d1f81604313c [2020-10-20 00:25:42,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:25:42,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:25:42,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:25:42,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:25:42,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:25:42,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:25:42" (1/1) ... [2020-10-20 00:25:42,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f69a23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:25:42, skipping insertion in model container [2020-10-20 00:25:42,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:25:42" (1/1) ... [2020-10-20 00:25:42,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:25:42,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:25:43,459 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-10-20 00:25:43,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ecaf219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:25:43, skipping insertion in model container [2020-10-20 00:25:43,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:25:43,460 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 00:25:43,463 INFO L168 Benchmark]: Toolchain (without parser) took 648.11 ms. Allocated memory was 34.1 MB in the beginning and 43.0 MB in the end (delta: 8.9 MB). Free memory was 13.5 MB in the beginning and 24.5 MB in the end (delta: -11.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:25:43,464 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 33.6 MB. Free memory was 11.0 MB in the beginning and 10.9 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. [2020-10-20 00:25:43,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.37 ms. Allocated memory was 34.1 MB in the beginning and 43.0 MB in the end (delta: 8.9 MB). Free memory was 12.7 MB in the beginning and 24.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:25:43,467 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 33.6 MB. Free memory was 11.0 MB in the beginning and 10.9 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 639.37 ms. Allocated memory was 34.1 MB in the beginning and 43.0 MB in the end (delta: 8.9 MB). Free memory was 12.7 MB in the beginning and 24.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. * 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... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:25:45,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:25:45,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:25:45,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:25:45,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:25:45,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:25:45,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:25:45,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:25:45,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:25:45,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:25:45,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:25:45,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:25:45,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:25:45,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:25:45,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:25:45,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:25:45,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:25:45,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:25:45,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:25:45,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:25:45,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:25:45,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:25:45,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:25:45,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:25:45,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:25:45,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:25:45,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:25:45,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:25:45,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:25:45,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:25:45,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:25:45,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:25:45,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:25:45,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:25:45,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:25:45,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:25:45,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:25:45,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:25:45,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:25:45,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:25:45,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:25:45,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:25:45,487 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:25:45,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:25:45,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:25:45,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:25:45,489 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:25:45,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:25:45,490 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:25:45,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:25:45,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:25:45,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:25:45,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:25:45,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:25:45,491 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:25:45,492 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:25:45,492 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:25:45,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:25:45,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:25:45,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:25:45,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:25:45,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:25:45,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:25:45,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:25:45,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:25:45,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:25:45,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:25:45,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:25:45,495 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:25:45,495 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:25:45,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:25:45,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:25:45,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:25:45,496 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(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 -> 46ed7e350d328defc86a68888178327eb8983b18 [2020-10-20 00:25:45,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:25:45,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:25:45,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:25:45,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:25:45,721 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:25:45,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-10-20 00:25:45,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e304d672e/555c40fb120c472cbdd3c9913089ff46/FLAGf17b4a4d5 [2020-10-20 00:25:46,438 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:25:46,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-10-20 00:25:46,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e304d672e/555c40fb120c472cbdd3c9913089ff46/FLAGf17b4a4d5 [2020-10-20 00:25:46,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e304d672e/555c40fb120c472cbdd3c9913089ff46 [2020-10-20 00:25:46,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:25:46,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:25:46,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:25:46,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:25:46,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:25:46,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:25:46" (1/1) ... [2020-10-20 00:25:46,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626752ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:25:46, skipping insertion in model container [2020-10-20 00:25:46,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:25:46" (1/1) ... [2020-10-20 00:25:46,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:25:46,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:25:47,386 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-10-20 00:25:47,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a843f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:25:47, skipping insertion in model container [2020-10-20 00:25:47,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:25:47,387 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 00:25:47,391 INFO L168 Benchmark]: Toolchain (without parser) took 613.97 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 15.8 MB in the beginning and 11.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:25:47,393 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 30.9 MB. Free memory was 17.0 MB in the beginning and 17.0 MB in the end (delta: 30.4 kB). Peak memory consumption was 30.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:25:47,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.13 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 15.0 MB in the beginning and 11.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:25:47,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 30.9 MB. Free memory was 17.0 MB in the beginning and 17.0 MB in the end (delta: 30.4 kB). Peak memory consumption was 30.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 606.13 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 15.0 MB in the beginning and 11.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. * 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...