./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 5e519f3a 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_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc --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-5e519f3 [2022-11-02 20:53:17,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:53:17,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:53:17,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:53:17,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:53:17,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:53:17,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:53:17,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:53:17,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:53:17,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:53:17,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:53:17,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:53:17,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:53:17,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:53:17,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:53:17,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:53:17,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:53:17,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:53:17,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:53:17,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:53:17,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:53:17,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:53:17,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:53:17,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:53:17,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:53:17,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:53:17,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:53:17,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:53:17,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:53:17,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:53:17,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:53:17,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:53:17,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:53:17,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:53:17,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:53:17,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:53:17,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:53:17,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:53:17,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:53:17,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:53:17,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:53:17,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:53:17,940 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:53:17,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:53:17,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:53:17,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:53:17,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:53:17,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:53:17,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:53:17,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:53:17,943 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:53:17,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:53:17,945 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:53:17,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:53:17,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:53:17,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:53:17,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:53:17,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:53:17,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:53:17,946 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:53:17,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:53:17,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:53:17,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:53:17,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:53:17,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:53:17,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:53:17,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:53:17,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:53:17,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:53:17,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:53:17,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:53:17,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:53:17,949 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:53:17,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:53:17,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:53:17,950 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_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-02 20:53:18,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:53:18,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:53:18,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:53:18,299 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:53:18,301 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:53:18,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-02 20:53:18,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/data/2d4f84a75/eb117ffb6f9d498f9ddcfd36c9ac3fe3/FLAGd76263c57 [2022-11-02 20:53:18,933 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:53:18,933 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-02 20:53:18,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/data/2d4f84a75/eb117ffb6f9d498f9ddcfd36c9ac3fe3/FLAGd76263c57 [2022-11-02 20:53:19,258 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/data/2d4f84a75/eb117ffb6f9d498f9ddcfd36c9ac3fe3 [2022-11-02 20:53:19,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:53:19,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:53:19,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:53:19,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:53:19,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:53:19,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:19" (1/1) ... [2022-11-02 20:53:19,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48000539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:19, skipping insertion in model container [2022-11-02 20:53:19,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:19" (1/1) ... [2022-11-02 20:53:19,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:53:19,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:53:19,855 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_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-02 20:53:19,862 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-02 20:53:19,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f286751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:19, skipping insertion in model container [2022-11-02 20:53:19,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:53:19,864 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-02 20:53:19,865 INFO L158 Benchmark]: Toolchain (without parser) took 603.31ms. Allocated memory is still 140.5MB. Free memory was 103.2MB in the beginning and 114.5MB in the end (delta: -11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:53:19,867 INFO L158 Benchmark]: CDTParser took 9.80ms. Allocated memory was 88.1MB in the beginning and 140.5MB in the end (delta: 52.4MB). Free memory was 58.1MB in the beginning and 121.5MB in the end (delta: -63.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:53:19,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.90ms. Allocated memory is still 140.5MB. Free memory was 103.2MB in the beginning and 114.5MB in the end (delta: -11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:53:19,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 9.80ms. Allocated memory was 88.1MB in the beginning and 140.5MB in the end (delta: 52.4MB). Free memory was 58.1MB in the beginning and 121.5MB in the end (delta: -63.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.90ms. Allocated memory is still 140.5MB. Free memory was 103.2MB in the beginning and 114.5MB in the end (delta: -11.3MB). 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_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc --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-5e519f3 [2022-11-02 20:53:22,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:53:22,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:53:22,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:53:22,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:53:22,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:53:22,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:53:22,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:53:22,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:53:22,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:53:22,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:53:22,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:53:22,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:53:22,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:53:22,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:53:22,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:53:22,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:53:22,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:53:22,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:53:22,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:53:22,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:53:22,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:53:22,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:53:22,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:53:22,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:53:22,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:53:22,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:53:22,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:53:22,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:53:22,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:53:22,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:53:22,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:53:22,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:53:22,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:53:22,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:53:22,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:53:22,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:53:22,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:53:22,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:53:22,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:53:22,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:53:22,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-02 20:53:22,256 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:53:22,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:53:22,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:53:22,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:53:22,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:53:22,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:53:22,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:53:22,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:53:22,260 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:53:22,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:53:22,262 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:53:22,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:53:22,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:53:22,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:53:22,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:53:22,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:53:22,263 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:53:22,263 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:53:22,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:53:22,263 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:53:22,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:53:22,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:53:22,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:53:22,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:53:22,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:53:22,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:53:22,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:53:22,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:53:22,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:53:22,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:53:22,266 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:53:22,266 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:53:22,266 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:53:22,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:53:22,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:53:22,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:53:22,267 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_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-02 20:53:22,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:53:22,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:53:22,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:53:22,661 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:53:22,664 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:53:22,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-02 20:53:22,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/data/3d3be2050/097ad4ed2aea4b358264e3d97f58dfba/FLAG22de0a2e5 [2022-11-02 20:53:23,381 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:53:23,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-02 20:53:23,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/data/3d3be2050/097ad4ed2aea4b358264e3d97f58dfba/FLAG22de0a2e5 [2022-11-02 20:53:23,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/bin/uautomizer-Dbtcem3rbc/data/3d3be2050/097ad4ed2aea4b358264e3d97f58dfba [2022-11-02 20:53:23,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:53:23,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:53:23,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:53:23,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:53:23,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:53:23,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:23" (1/1) ... [2022-11-02 20:53:23,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3466ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:23, skipping insertion in model container [2022-11-02 20:53:23,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:23" (1/1) ... [2022-11-02 20:53:23,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:53:23,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:53:24,241 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_4f2cea49-d7ec-475a-a0ee-cb72bbc23763/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-02 20:53:24,251 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-02 20:53:24,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27ac84c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:24, skipping insertion in model container [2022-11-02 20:53:24,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:53:24,253 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-02 20:53:24,256 INFO L158 Benchmark]: Toolchain (without parser) took 616.00ms. Allocated memory is still 65.0MB. Free memory was 40.4MB in the beginning and 45.4MB in the end (delta: -5.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:53:24,257 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 31.8MB in the beginning and 31.8MB in the end (delta: 42.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:53:24,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.02ms. Allocated memory is still 65.0MB. Free memory was 40.3MB in the beginning and 45.4MB in the end (delta: -5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:53:24,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 31.8MB in the beginning and 31.8MB in the end (delta: 42.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.02ms. Allocated memory is still 65.0MB. Free memory was 40.3MB in the beginning and 45.4MB in the end (delta: -5.2MB). 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 Writing output log to file Ultimate.log Result: UNKNOWN