./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak --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 Kojak --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=/tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak --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 Kojak --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 0.2.0-a4ecdab [2020-11-28 04:39:10,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:10,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:10,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:10,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:10,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:10,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:10,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:10,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:10,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:10,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:10,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:10,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:10,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:10,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:10,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:10,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:10,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:10,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:10,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:10,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:10,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:10,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:10,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:10,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:10,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:10,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:10,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:10,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:10,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:10,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:10,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:10,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:10,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:10,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:10,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:10,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:10,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:10,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:10,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:10,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:10,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:39:10,525 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:10,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:10,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:10,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:10,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:10,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:10,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:10,528 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:10,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:10,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:10,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:10,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:10,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:10,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:10,529 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:10,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:10,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:10,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:10,530 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:10,530 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:10,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:10,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:10,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:10,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:10,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:10,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:10,531 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:10,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:10,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:10,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46ed7e350d328defc86a68888178327eb8983b18 [2020-11-28 04:39:10,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:10,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:10,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:10,822 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:10,824 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:10,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-11-28 04:39:10,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/data/db6650934/993b7d8b91cd4871aa2ddeffec78faa2/FLAGdcd5cf724 [2020-11-28 04:39:11,657 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:11,658 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-11-28 04:39:11,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/data/db6650934/993b7d8b91cd4871aa2ddeffec78faa2/FLAGdcd5cf724 [2020-11-28 04:39:11,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/data/db6650934/993b7d8b91cd4871aa2ddeffec78faa2 [2020-11-28 04:39:11,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:11,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:11,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:11,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:11,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:11,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:11" (1/1) ... [2020-11-28 04:39:11,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d165f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:11, skipping insertion in model container [2020-11-28 04:39:11,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:11" (1/1) ... [2020-11-28 04:39:11,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:11,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:12,501 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-11-28 04:39:12,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23fbca46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:12, skipping insertion in model container [2020-11-28 04:39:12,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:12,503 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:39:12,505 INFO L168 Benchmark]: Toolchain (without parser) took 615.98 ms. Allocated memory is still 88.1 MB. Free memory was 55.1 MB in the beginning and 64.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:12,507 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory was 31.7 MB in the beginning and 31.6 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:12,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.22 ms. Allocated memory is still 88.1 MB. Free memory was 54.9 MB in the beginning and 64.0 MB in the end (delta: -9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:12,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory was 31.7 MB in the beginning and 31.6 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 613.22 ms. Allocated memory is still 88.1 MB. Free memory was 54.9 MB in the beginning and 64.0 MB in the end (delta: -9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 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 0.2.0-a4ecdab [2020-11-28 04:39:14,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:14,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:15,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:15,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:15,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:15,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:15,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:15,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:15,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:15,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:15,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:15,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:15,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:15,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:15,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:15,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:15,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:15,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:15,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:15,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:15,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:15,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:15,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:15,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:15,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:15,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:15,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:15,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:15,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:15,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:15,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:15,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:15,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:15,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:15,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:15,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:15,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:15,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:15,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:15,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:15,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-28 04:39:15,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:15,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:15,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:15,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:15,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:15,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:15,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:15,198 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:15,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:15,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:15,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:15,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:15,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:15,201 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:39:15,201 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:39:15,201 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:39:15,202 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:15,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:15,202 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:15,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:15,203 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:15,203 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:15,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:15,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:15,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:15,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:15,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:15,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:15,205 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:39:15,205 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:39:15,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:15,205 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:39:15,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:39:15,206 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46ed7e350d328defc86a68888178327eb8983b18 [2020-11-28 04:39:15,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:15,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:15,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:15,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:15,633 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:15,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-11-28 04:39:15,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/data/f1304d26c/a636de9580454f588eeeb508038be76d/FLAGa8ef487ca [2020-11-28 04:39:16,387 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:16,391 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-11-28 04:39:16,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/data/f1304d26c/a636de9580454f588eeeb508038be76d/FLAGa8ef487ca [2020-11-28 04:39:16,593 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_642ab026-2463-4718-8a56-91c35f39c687/bin/ukojak/data/f1304d26c/a636de9580454f588eeeb508038be76d [2020-11-28 04:39:16,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:16,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:16,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:16,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:16,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:16,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:16" (1/1) ... [2020-11-28 04:39:16,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa3d5d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:16, skipping insertion in model container [2020-11-28 04:39:16,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:16" (1/1) ... [2020-11-28 04:39:16,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:16,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:17,208 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-11-28 04:39:17,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60eeb493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17, skipping insertion in model container [2020-11-28 04:39:17,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:17,211 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:39:17,215 INFO L168 Benchmark]: Toolchain (without parser) took 612.08 ms. Allocated memory is still 60.8 MB. Free memory was 40.7 MB in the beginning and 43.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:17,217 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:17,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.87 ms. Allocated memory is still 60.8 MB. Free memory was 40.4 MB in the beginning and 43.4 MB in the end (delta: -3.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:17,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 43.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 608.87 ms. Allocated memory is still 60.8 MB. Free memory was 40.4 MB in the beginning and 43.4 MB in the end (delta: -3.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 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...