./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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 03:45:55,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:45:55,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:45:55,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:45:55,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:45:55,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:45:55,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:45:55,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:45:55,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:45:55,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:45:55,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:45:55,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:45:55,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:45:55,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:45:55,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:45:55,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:45:55,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:45:55,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:45:55,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:45:55,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:45:55,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:45:55,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:45:55,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:45:55,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:45:55,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:45:55,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:45:55,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:45:55,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:45:55,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:45:55,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:45:55,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:45:55,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:45:55,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:45:55,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:45:55,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:45:55,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:45:55,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:45:55,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:45:55,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:45:55,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:45:55,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:45:55,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:45:55,926 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:45:55,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:45:55,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:45:55,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:45:55,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:45:55,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:45:55,930 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:45:55,930 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:45:55,931 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:45:55,931 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:45:55,932 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:45:55,933 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:45:55,933 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:45:55,933 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:45:55,934 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:45:55,934 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:45:55,934 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:45:55,934 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:45:55,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:45:55,936 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:45:55,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:45:55,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:45:55,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:45:55,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:45:55,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:45:55,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:45:55,940 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:45:55,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:45:55,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:45:55,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:45:55,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:45:55,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:45:55,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:45:55,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:45:55,942 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:45:55,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:45:55,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:45:55,943 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:45:55,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:45:55,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:45:55,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:45:55,944 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_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-03 03:45:56,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:45:56,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:45:56,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:45:56,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:45:56,368 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:45:56,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-03 03:45:56,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/data/bb2b60dda/56c2f63cbeb64da6bb62fb1239844da2/FLAGb3394fc39 [2022-11-03 03:45:57,083 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:45:57,088 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-03 03:45:57,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/data/bb2b60dda/56c2f63cbeb64da6bb62fb1239844da2/FLAGb3394fc39 [2022-11-03 03:45:57,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/data/bb2b60dda/56c2f63cbeb64da6bb62fb1239844da2 [2022-11-03 03:45:57,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:45:57,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:45:57,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:57,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:45:57,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:45:57,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:57" (1/1) ... [2022-11-03 03:45:57,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a8d42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:57, skipping insertion in model container [2022-11-03 03:45:57,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:57" (1/1) ... [2022-11-03 03:45:57,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:45:57,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:45:58,096 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_33c09ff1-8953-4c52-9c6c-669a741f01ff/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-03 03:45:58,109 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-03 03:45:58,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1862c5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:58, skipping insertion in model container [2022-11-03 03:45:58,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:58,111 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 03:45:58,114 INFO L158 Benchmark]: Toolchain (without parser) took 802.83ms. Allocated memory is still 121.6MB. Free memory was 83.7MB in the beginning and 93.5MB in the end (delta: -9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 03:45:58,116 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 93.2MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:45:58,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.06ms. Allocated memory is still 121.6MB. Free memory was 83.5MB in the beginning and 93.5MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 03:45:58,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 93.2MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 797.06ms. Allocated memory is still 121.6MB. Free memory was 83.5MB in the beginning and 93.5MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 03:46:00,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:46:00,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:46:00,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:46:00,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:46:00,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:46:00,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:46:00,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:46:00,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:46:00,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:46:00,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:46:00,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:46:00,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:46:00,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:46:00,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:46:00,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:46:00,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:46:00,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:46:00,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:46:00,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:46:00,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:46:00,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:46:00,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:46:00,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:46:00,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:46:00,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:46:00,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:46:00,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:46:00,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:46:00,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:46:00,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:46:00,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:46:00,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:46:00,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:46:00,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:46:00,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:46:00,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:46:00,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:46:00,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:46:00,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:46:00,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:46:00,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 03:46:00,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:46:00,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:46:00,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:46:00,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:46:00,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:46:00,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:46:00,831 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:46:00,831 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:46:00,831 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:46:00,831 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:46:00,832 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:46:00,832 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:46:00,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:46:00,835 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:46:00,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:46:00,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:46:00,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:46:00,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:46:00,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:46:00,837 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 03:46:00,837 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:46:00,837 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:46:00,837 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:46:00,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:46:00,838 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:46:00,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:46:00,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:46:00,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:46:00,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:46:00,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:46:00,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:46:00,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:46:00,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:46:00,842 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:46:00,842 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:46:00,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:46:00,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:46:00,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:46:00,844 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_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-03 03:46:01,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:46:01,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:46:01,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:46:01,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:46:01,369 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:46:01,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-03 03:46:01,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/data/a002415de/2f80b8a303d544f9898de0bd830bd5a2/FLAG48c374703 [2022-11-03 03:46:02,211 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:46:02,211 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-03 03:46:02,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/data/a002415de/2f80b8a303d544f9898de0bd830bd5a2/FLAG48c374703 [2022-11-03 03:46:02,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c09ff1-8953-4c52-9c6c-669a741f01ff/bin/utaipan-7li7fVZpFI/data/a002415de/2f80b8a303d544f9898de0bd830bd5a2 [2022-11-03 03:46:02,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:46:02,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:46:02,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:46:02,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:46:02,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:46:02,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:46:02" (1/1) ... [2022-11-03 03:46:02,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b597b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:46:02, skipping insertion in model container [2022-11-03 03:46:02,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:46:02" (1/1) ... [2022-11-03 03:46:02,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:46:02,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:46:03,299 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_33c09ff1-8953-4c52-9c6c-669a741f01ff/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-03 03:46:03,327 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-03 03:46:03,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@579e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:46:03, skipping insertion in model container [2022-11-03 03:46:03,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:46:03,330 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 03:46:03,332 INFO L158 Benchmark]: Toolchain (without parser) took 841.23ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 42.2MB in the end (delta: -3.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 03:46:03,334 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:46:03,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 838.39ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 42.2MB in the end (delta: -4.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 03:46:03,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 838.39ms. Allocated memory is still 60.8MB. Free memory was 38.2MB in the beginning and 42.2MB in the end (delta: -4.0MB). Peak memory consumption was 14.7MB. 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