./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 8393723b 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_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS --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 Taipan --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-8393723 [2022-11-19 07:27:00,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:27:00,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:27:00,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:27:00,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:27:00,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:27:00,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:27:00,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:27:00,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:27:00,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:27:00,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:27:00,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:27:00,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:27:00,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:27:00,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:27:00,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:27:00,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:27:00,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:27:00,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:27:00,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:27:00,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:27:00,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:27:00,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:27:00,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:27:00,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:27:00,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:27:00,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:27:00,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:27:00,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:27:00,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:27:00,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:27:00,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:27:00,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:27:00,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:27:00,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:27:00,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:27:00,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:27:00,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:27:00,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:27:00,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:27:00,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:27:00,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:27:00,844 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:27:00,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:27:00,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:27:00,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:27:00,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:27:00,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:27:00,847 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:27:00,847 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:27:00,848 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:27:00,848 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:27:00,848 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:27:00,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:27:00,849 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:27:00,849 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:27:00,849 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:27:00,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:27:00,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:27:00,851 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:27:00,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:27:00,852 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:27:00,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:27:00,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:27:00,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:27:00,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:27:00,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:27:00,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:27:00,854 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:27:00,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:27:00,855 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:27:00,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:27:00,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:27:00,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:27:00,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:27:00,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:27:00,857 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:27:00,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:27:00,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:27:00,858 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:27:00,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:27:00,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:27:00,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:27:00,859 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_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-19 07:27:01,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:27:01,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:27:01,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:27:01,145 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:27:01,147 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:27:01,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-19 07:27:01,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/data/46433ec6a/e6478dea06794f79a7c17ae0a25cacf0/FLAG4f86b14aa [2022-11-19 07:27:01,803 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:27:01,803 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-19 07:27:01,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/data/46433ec6a/e6478dea06794f79a7c17ae0a25cacf0/FLAG4f86b14aa [2022-11-19 07:27:02,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/data/46433ec6a/e6478dea06794f79a7c17ae0a25cacf0 [2022-11-19 07:27:02,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:27:02,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:27:02,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:27:02,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:27:02,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:27:02,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:27:02" (1/1) ... [2022-11-19 07:27:02,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da69902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:27:02, skipping insertion in model container [2022-11-19 07:27:02,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:27:02" (1/1) ... [2022-11-19 07:27:02,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:27:02,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:27:02,808 WARN L234 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_949722a5-b8a0-4924-acb4-c080a718fe54/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-19 07:27:02,816 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-19 07:27:02,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@397f856c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:27:02, skipping insertion in model container [2022-11-19 07:27:02,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:27:02,818 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:27:02,820 INFO L158 Benchmark]: Toolchain (without parser) took 697.33ms. Allocated memory is still 144.7MB. Free memory was 109.6MB in the beginning and 118.3MB in the end (delta: -8.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:27:02,821 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 76.1MB in the beginning and 76.1MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:27:02,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.83ms. Allocated memory is still 144.7MB. Free memory was 109.6MB in the beginning and 118.3MB in the end (delta: -8.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:27:02,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 76.1MB in the beginning and 76.1MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.83ms. Allocated memory is still 144.7MB. Free memory was 109.6MB in the beginning and 118.3MB in the end (delta: -8.7MB). 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_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS --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 Taipan --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-8393723 [2022-11-19 07:27:04,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:27:04,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:27:04,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:27:04,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:27:04,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:27:04,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:27:04,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:27:04,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:27:04,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:27:04,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:27:04,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:27:04,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:27:04,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:27:04,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:27:04,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:27:04,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:27:04,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:27:04,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:27:04,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:27:04,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:27:04,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:27:04,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:27:04,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:27:04,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:27:04,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:27:04,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:27:04,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:27:04,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:27:04,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:27:04,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:27:04,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:27:04,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:27:04,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:27:04,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:27:04,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:27:04,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:27:04,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:27:04,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:27:04,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:27:04,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:27:04,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-19 07:27:05,025 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:27:05,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:27:05,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:27:05,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:27:05,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:27:05,027 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:27:05,027 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:27:05,027 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:27:05,027 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:27:05,027 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:27:05,028 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:27:05,028 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:27:05,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:27:05,029 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:27:05,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:27:05,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:27:05,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:27:05,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:27:05,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:27:05,030 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:27:05,030 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:27:05,030 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:27:05,031 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:27:05,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:27:05,031 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:27:05,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:27:05,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:27:05,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:27:05,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:27:05,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:27:05,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:27:05,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:27:05,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:27:05,038 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:27:05,039 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:27:05,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:27:05,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:27:05,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:27:05,039 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_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-19 07:27:05,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:27:05,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:27:05,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:27:05,417 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:27:05,419 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:27:05,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-19 07:27:05,506 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/data/09431db78/899f68acd01e4de085c53f85486e83fe/FLAGe98d46c14 [2022-11-19 07:27:06,163 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:27:06,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-19 07:27:06,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/data/09431db78/899f68acd01e4de085c53f85486e83fe/FLAGe98d46c14 [2022-11-19 07:27:06,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_949722a5-b8a0-4924-acb4-c080a718fe54/bin/utaipan-I9t0OCRTmS/data/09431db78/899f68acd01e4de085c53f85486e83fe [2022-11-19 07:27:06,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:27:06,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:27:06,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:27:06,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:27:06,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:27:06,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:27:06" (1/1) ... [2022-11-19 07:27:06,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c2e3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:27:06, skipping insertion in model container [2022-11-19 07:27:06,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:27:06" (1/1) ... [2022-11-19 07:27:06,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:27:06,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:27:07,076 WARN L234 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_949722a5-b8a0-4924-acb4-c080a718fe54/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-19 07:27:07,086 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-19 07:27:07,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c6c90c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:27:07, skipping insertion in model container [2022-11-19 07:27:07,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:27:07,087 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:27:07,090 INFO L158 Benchmark]: Toolchain (without parser) took 652.30ms. Allocated memory is still 71.3MB. Free memory was 53.1MB in the beginning and 53.8MB in the end (delta: -765.9kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 07:27:07,091 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:27:07,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.18ms. Allocated memory is still 71.3MB. Free memory was 52.7MB in the beginning and 54.1MB in the end (delta: -1.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:27:07,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.18ms. Allocated memory is still 71.3MB. Free memory was 52.7MB in the beginning and 54.1MB in the end (delta: -1.3MB). 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 Writing output log to file Ultimate.log Result: UNKNOWN