./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:21:18,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:21:18,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:21:18,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:21:18,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:21:18,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:21:18,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:21:18,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:21:18,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:21:18,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:21:18,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:21:18,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:21:18,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:21:18,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:21:18,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:21:18,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:21:18,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:21:18,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:21:18,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:21:18,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:21:18,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:21:18,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:21:18,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:21:18,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:21:18,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:21:18,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:21:18,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:21:18,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:21:18,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:21:18,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:21:18,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:21:18,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:21:18,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:21:18,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:21:18,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:21:18,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:21:18,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:21:18,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:21:18,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:21:18,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:21:18,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:21:18,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:21:18,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:21:18,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:21:18,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:21:18,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:21:18,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:21:18,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:21:18,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:21:18,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:21:18,902 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:21:18,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:21:18,902 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:21:18,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:21:18,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:21:18,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:21:18,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:21:18,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:21:18,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:21:18,905 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:21:18,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:21:18,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:21:18,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:21:18,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:21:18,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:21:18,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:21:18,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:21:18,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:21:18,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:21:18,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:21:18,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:21:18,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:21:18,909 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:21:18,910 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:21:18,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:21:18,910 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_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-16 11:21:19,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:21:19,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:21:19,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:21:19,209 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:21:19,210 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:21:19,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-16 11:21:19,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/data/54c671995/9deafd73098b4b88bfd170d84e152c53/FLAGec3c1ec76 [2022-11-16 11:21:19,884 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:21:19,884 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-16 11:21:19,899 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/data/54c671995/9deafd73098b4b88bfd170d84e152c53/FLAGec3c1ec76 [2022-11-16 11:21:20,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/data/54c671995/9deafd73098b4b88bfd170d84e152c53 [2022-11-16 11:21:20,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:21:20,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:21:20,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:21:20,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:21:20,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:21:20,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:20" (1/1) ... [2022-11-16 11:21:20,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0f5543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:20, skipping insertion in model container [2022-11-16 11:21:20,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:20" (1/1) ... [2022-11-16 11:21:20,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:21:20,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:21:20,911 WARN L229 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_09466213-7141-44f1-8123-bbd8f24e8922/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-16 11:21:20,920 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-16 11:21:20,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47a1f656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:20, skipping insertion in model container [2022-11-16 11:21:20,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:21:20,923 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 11:21:20,926 INFO L158 Benchmark]: Toolchain (without parser) took 772.53ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 75.3MB in the end (delta: -11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:21:20,928 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory was 71.2MB in the beginning and 71.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:21:20,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.75ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 75.3MB in the end (delta: -11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:21:20,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory was 71.2MB in the beginning and 71.1MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.75ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 75.3MB in the end (delta: -11.8MB). Peak memory consumption was 12.6MB. 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:21:23,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:21:23,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:21:23,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:21:23,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:21:23,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:21:23,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:21:23,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:21:23,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:21:23,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:21:23,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:21:23,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:21:23,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:21:23,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:21:23,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:21:23,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:21:23,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:21:23,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:21:23,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:21:23,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:21:23,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:21:23,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:21:23,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:21:23,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:21:23,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:21:23,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:21:23,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:21:23,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:21:23,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:21:23,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:21:23,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:21:23,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:21:23,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:21:23,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:21:23,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:21:23,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:21:23,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:21:23,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:21:23,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:21:23,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:21:23,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:21:23,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 11:21:23,156 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:21:23,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:21:23,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:21:23,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:21:23,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:21:23,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:21:23,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:21:23,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:21:23,159 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:21:23,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:21:23,160 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:21:23,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:21:23,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:21:23,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:21:23,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:21:23,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:21:23,161 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:21:23,161 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:21:23,161 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:21:23,162 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:21:23,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:21:23,162 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:21:23,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:21:23,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:21:23,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:21:23,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:21:23,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:21:23,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:21:23,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:21:23,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:21:23,164 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:21:23,165 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:21:23,165 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:21:23,165 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:21:23,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:21:23,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:21:23,168 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_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-16 11:21:23,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:21:23,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:21:23,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:21:23,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:21:23,592 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:21:23,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-16 11:21:23,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/data/0d375182c/b22bc57bcaed49fc87dd7efd6d8cc410/FLAG0a883f9d6 [2022-11-16 11:21:24,322 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:21:24,323 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-16 11:21:24,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/data/0d375182c/b22bc57bcaed49fc87dd7efd6d8cc410/FLAG0a883f9d6 [2022-11-16 11:21:24,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09466213-7141-44f1-8123-bbd8f24e8922/bin/uautomizer-tPACEb0tL8/data/0d375182c/b22bc57bcaed49fc87dd7efd6d8cc410 [2022-11-16 11:21:24,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:21:24,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:21:24,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:21:24,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:21:24,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:21:24,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:24" (1/1) ... [2022-11-16 11:21:24,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ecfbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:24, skipping insertion in model container [2022-11-16 11:21:24,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:21:24" (1/1) ... [2022-11-16 11:21:24,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:21:24,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:21:25,238 WARN L229 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_09466213-7141-44f1-8123-bbd8f24e8922/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-16 11:21:25,255 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-16 11:21:25,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b92fad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:21:25, skipping insertion in model container [2022-11-16 11:21:25,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:21:25,257 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 11:21:25,259 INFO L158 Benchmark]: Toolchain (without parser) took 657.25ms. Allocated memory is still 77.6MB. Free memory was 61.8MB in the beginning and 59.3MB in the end (delta: 2.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-16 11:21:25,260 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:21:25,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.66ms. Allocated memory is still 77.6MB. Free memory was 61.6MB in the beginning and 59.3MB in the end (delta: 2.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-16 11:21:25,265 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 is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 654.66ms. Allocated memory is still 77.6MB. Free memory was 61.6MB in the beginning and 59.3MB in the end (delta: 2.3MB). Peak memory consumption was 14.0MB. 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