./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/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_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/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 0.2.0-69874e2 [2020-12-01 17:11:47,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:11:47,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:11:47,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:11:47,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:11:47,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:11:47,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:11:47,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:11:47,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:11:47,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:11:47,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:11:47,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:11:47,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:11:47,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:11:47,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:11:47,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:11:47,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:11:47,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:11:47,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:11:47,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:11:47,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:11:47,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:11:47,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:11:47,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:11:47,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:11:47,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:11:47,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:11:47,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:11:47,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:11:47,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:11:47,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:11:47,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:11:47,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:11:47,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:11:47,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:11:47,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:11:47,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:11:47,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:11:47,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:11:47,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:11:47,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:11:47,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:11:47,829 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:11:47,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:11:47,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:11:47,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:11:47,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:11:47,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:11:47,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:11:47,834 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:11:47,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:11:47,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:11:47,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:11:47,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:11:47,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:11:47,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:11:47,837 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:11:47,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:11:47,838 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:11:47,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:11:47,839 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:11:47,839 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:11:47,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:11:47,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:11:47,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:11:47,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:11:47,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:11:47,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:11:47,842 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:11:47,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:11:47,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:11:47,843 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_5e1bc5cc-602d-421c-8fad-b439a5151404/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46ed7e350d328defc86a68888178327eb8983b18 [2020-12-01 17:11:48,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:11:48,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:11:48,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:11:48,291 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:11:48,299 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:11:48,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-12-01 17:11:48,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/data/f98c806ea/52354995581047c691fd771af1e0a8f0/FLAG5b95f42d3 [2020-12-01 17:11:48,997 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:11:48,998 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-12-01 17:11:49,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/data/f98c806ea/52354995581047c691fd771af1e0a8f0/FLAG5b95f42d3 [2020-12-01 17:11:49,269 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/data/f98c806ea/52354995581047c691fd771af1e0a8f0 [2020-12-01 17:11:49,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:11:49,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:11:49,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:11:49,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:11:49,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:11:49,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:11:49" (1/1) ... [2020-12-01 17:11:49,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5682ae7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:11:49, skipping insertion in model container [2020-12-01 17:11:49,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:11:49" (1/1) ... [2020-12-01 17:11:49,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:11:49,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:11:50,203 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-12-01 17:11:50,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47083472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:11:50, skipping insertion in model container [2020-12-01 17:11:50,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:11:50,205 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 17:11:50,208 INFO L168 Benchmark]: Toolchain (without parser) took 916.62 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 55.8 MB in the beginning and 86.2 MB in the end (delta: -30.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:11:50,209 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 88.1 MB. Free memory was 49.4 MB in the beginning and 49.3 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:11:50,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 909.77 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 55.5 MB in the beginning and 86.2 MB in the end (delta: -30.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:11:50,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 88.1 MB. Free memory was 49.4 MB in the beginning and 49.3 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 909.77 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 55.5 MB in the beginning and 86.2 MB in the end (delta: -30.7 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 0.2.0-69874e2 [2020-12-01 17:11:53,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:11:53,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:11:53,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:11:53,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:11:53,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:11:53,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:11:53,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:11:53,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:11:53,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:11:53,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:11:53,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:11:53,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:11:53,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:11:53,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:11:53,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:11:53,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:11:53,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:11:53,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:11:53,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:11:53,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:11:53,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:11:53,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:11:53,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:11:53,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:11:53,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:11:53,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:11:53,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:11:53,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:11:53,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:11:53,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:11:53,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:11:53,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:11:53,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:11:53,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:11:53,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:11:53,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:11:53,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:11:53,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:11:53,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:11:53,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:11:53,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 17:11:53,376 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:11:53,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:11:53,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:11:53,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:11:53,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:11:53,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:11:53,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:11:53,381 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:11:53,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:11:53,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:11:53,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:11:53,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:11:53,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:11:53,383 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:11:53,383 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:11:53,383 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:11:53,384 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:11:53,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:11:53,397 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:11:53,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:11:53,402 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:11:53,402 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:11:53,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:11:53,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:11:53,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:11:53,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:11:53,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:11:53,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:11:53,406 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:11:53,407 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:11:53,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:11:53,408 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:11:53,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:11:53,409 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_5e1bc5cc-602d-421c-8fad-b439a5151404/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46ed7e350d328defc86a68888178327eb8983b18 [2020-12-01 17:11:53,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:11:53,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:11:54,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:11:54,008 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:11:54,009 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:11:54,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-12-01 17:11:54,131 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/data/ddeb8bda6/41cd6216503647059d6615df36d1d5df/FLAG45650b21f [2020-12-01 17:11:55,122 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:11:55,123 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/sv-benchmarks/c/floats-esbmc-regression/modf.i [2020-12-01 17:11:55,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/data/ddeb8bda6/41cd6216503647059d6615df36d1d5df/FLAG45650b21f [2020-12-01 17:11:55,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5e1bc5cc-602d-421c-8fad-b439a5151404/bin/ukojak/data/ddeb8bda6/41cd6216503647059d6615df36d1d5df [2020-12-01 17:11:55,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:11:55,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:11:55,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:11:55,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:11:55,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:11:55,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:11:55" (1/1) ... [2020-12-01 17:11:55,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116f5f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:11:55, skipping insertion in model container [2020-12-01 17:11:55,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:11:55" (1/1) ... [2020-12-01 17:11:55,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:11:55,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:11:56,154 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2020-12-01 17:11:56,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@331e5ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:11:56, skipping insertion in model container [2020-12-01 17:11:56,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:11:56,156 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 17:11:56,159 INFO L168 Benchmark]: Toolchain (without parser) took 819.66 ms. Allocated memory is still 56.6 MB. Free memory was 34.8 MB in the beginning and 38.0 MB in the end (delta: -3.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:11:56,161 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 56.6 MB. Free memory was 39.0 MB in the beginning and 38.9 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:11:56,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.42 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 38.0 MB in the end (delta: -3.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:11:56,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 56.6 MB. Free memory was 39.0 MB in the beginning and 38.9 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 816.42 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 38.0 MB in the end (delta: -3.3 MB). Peak memory consumption was 14.4 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...