./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu --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 c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:02,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:02,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:02,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:02,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:02,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:02,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:02,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:02,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:02,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:02,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:02,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:02,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:02,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:02,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:02,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:02,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:02,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:02,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:02,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:02,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:02,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:02,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:02,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:02,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:02,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:02,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:02,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:02,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:02,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:02,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:02,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:02,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:02,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:02,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:02,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:02,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:02,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:02,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:02,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:02,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:02,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:02,405 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:02,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:02,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:02,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:02,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:02,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:02,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:02,409 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:02,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:02,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:02,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:02,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:02,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:02,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:02,411 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:02,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:02,411 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:02,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:02,412 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:02,412 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:02,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:02,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:02,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:02,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:02,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:02,414 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:02,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:02,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:02,414 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_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-11-23 15:33:02,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:02,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:02,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:02,724 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:02,725 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:02,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-11-23 15:33:02,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/data/b7ba95c21/8c3af6f0705a41a4ab081010326beae2/FLAG806e9837f [2021-11-23 15:33:03,385 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:03,386 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-11-23 15:33:03,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/data/b7ba95c21/8c3af6f0705a41a4ab081010326beae2/FLAG806e9837f [2021-11-23 15:33:03,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/data/b7ba95c21/8c3af6f0705a41a4ab081010326beae2 [2021-11-23 15:33:03,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:03,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:03,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:03,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:03,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:03,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e15d695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03, skipping insertion in model container [2021-11-23 15:33:03,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:03,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:04,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2021-11-23 15:33:04,334 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-11-23 15:33:04,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3493c696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04, skipping insertion in model container [2021-11-23 15:33:04,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:04,336 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 15:33:04,338 INFO L158 Benchmark]: Toolchain (without parser) took 671.64ms. Allocated memory is still 98.6MB. Free memory was 58.2MB in the beginning and 71.5MB in the end (delta: -13.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:04,341 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 75.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:04,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 668.64ms. Allocated memory is still 98.6MB. Free memory was 58.0MB in the beginning and 71.5MB in the end (delta: -13.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:04,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 75.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 668.64ms. Allocated memory is still 98.6MB. Free memory was 58.0MB in the beginning and 71.5MB in the end (delta: -13.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 885]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu --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 c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:06,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:06,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:06,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:06,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:06,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:06,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:06,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:06,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:06,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:06,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:06,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:06,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:06,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:06,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:06,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:06,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:06,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:06,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:06,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:07,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:07,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:07,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:07,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:07,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:07,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:07,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:07,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:07,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:07,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:07,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:07,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:07,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:07,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:07,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:07,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:07,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:07,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:07,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:07,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:07,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:07,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:07,069 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:07,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:07,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:07,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:07,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:07,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:07,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:07,072 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:07,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:07,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:07,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:07,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:07,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:07,073 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:07,073 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:07,074 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:07,074 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:07,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:07,074 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:07,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:07,075 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:07,075 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:07,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:07,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:07,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:07,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:07,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:07,076 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:07,077 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:07,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:07,077 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:07,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:07,078 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_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-11-23 15:33:07,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:07,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:07,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:07,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:07,569 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:07,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-11-23 15:33:07,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/data/affbf7a6a/eb7423f2e87642b7a10ad899a16d0bf7/FLAG088756ec4 [2021-11-23 15:33:08,342 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:08,343 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-11-23 15:33:08,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/data/affbf7a6a/eb7423f2e87642b7a10ad899a16d0bf7/FLAG088756ec4 [2021-11-23 15:33:08,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/bin/ukojak-CwSLpZB5Qu/data/affbf7a6a/eb7423f2e87642b7a10ad899a16d0bf7 [2021-11-23 15:33:08,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:08,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:08,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:08,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:08,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:08,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:08" (1/1) ... [2021-11-23 15:33:08,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ccf69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:08, skipping insertion in model container [2021-11-23 15:33:08,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:08" (1/1) ... [2021-11-23 15:33:08,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:08,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:09,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba03e92-1d02-4120-8500-2f4f843a3dc6/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2021-11-23 15:33:09,250 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-11-23 15:33:09,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f6519f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:09, skipping insertion in model container [2021-11-23 15:33:09,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:09,252 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 15:33:09,255 INFO L158 Benchmark]: Toolchain (without parser) took 713.04ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 60.4MB in the end (delta: -18.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:09,266 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 65.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:09,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.01ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 60.4MB in the end (delta: -19.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:09,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 65.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.01ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 60.4MB in the end (delta: -19.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 885]: Unsupported Syntax Unsupported function from math.h: modff RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN