./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 4e7fbc69 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_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 15:31:33,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:31:33,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:31:33,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:31:33,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:31:33,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:31:33,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:31:33,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:31:33,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:31:33,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:31:33,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:31:33,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:31:33,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:31:33,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:31:33,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:31:33,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:31:33,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:31:33,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:31:33,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:31:33,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:31:33,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:31:33,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:31:33,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:31:33,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:31:33,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:31:33,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:31:33,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:31:33,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:31:33,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:31:33,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:31:33,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:31:33,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:31:33,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:31:33,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:31:33,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:31:33,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:31:33,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:31:33,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:31:33,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:31:33,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:31:33,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:31:33,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:31:33,161 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:31:33,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:31:33,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:31:33,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:31:33,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:31:33,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:31:33,168 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:31:33,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:31:33,169 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:31:33,169 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:31:33,170 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:31:33,171 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:31:33,171 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:31:33,171 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:31:33,172 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:31:33,172 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:31:33,172 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:31:33,172 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:31:33,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:31:33,174 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:31:33,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:31:33,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:31:33,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:31:33,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:31:33,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:31:33,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:31:33,177 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:31:33,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:31:33,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:31:33,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:31:33,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:31:33,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:31:33,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:31:33,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:31:33,180 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:31:33,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:31:33,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:31:33,181 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:31:33,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:31:33,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:31:33,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:31:33,182 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_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-23 15:31:33,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:31:33,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:31:33,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:31:33,479 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:31:33,480 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:31:33,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-23 15:31:36,663 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:31:36,951 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:31:36,951 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-23 15:31:36,963 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/data/f0553e585/555f343a82664db8a914d216831b0703/FLAG0738e4861 [2022-11-23 15:31:36,979 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/data/f0553e585/555f343a82664db8a914d216831b0703 [2022-11-23 15:31:36,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:31:36,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:31:36,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:31:36,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:31:36,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:31:36,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:36" (1/1) ... [2022-11-23 15:31:36,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1dba2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:36, skipping insertion in model container [2022-11-23 15:31:36,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:36" (1/1) ... [2022-11-23 15:31:37,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:31:37,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:31:37,661 WARN L237 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_cedf712d-95d6-4a5b-8f99-59affe02f114/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-23 15:31:37,672 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-23 15:31:37,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19761f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:37, skipping insertion in model container [2022-11-23 15:31:37,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:31:37,674 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 15:31:37,677 INFO L158 Benchmark]: Toolchain (without parser) took 692.12ms. Allocated memory is still 123.7MB. Free memory was 80.5MB in the beginning and 68.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 15:31:37,677 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 123.7MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:31:37,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.33ms. Allocated memory is still 123.7MB. Free memory was 80.5MB in the beginning and 68.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 15:31:37,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 123.7MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.33ms. Allocated memory is still 123.7MB. Free memory was 80.5MB in the beginning and 68.0MB in the end (delta: 12.5MB). 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_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 15:31:39,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:31:39,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:31:40,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:31:40,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:31:40,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:31:40,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:31:40,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:31:40,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:31:40,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:31:40,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:31:40,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:31:40,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:31:40,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:31:40,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:31:40,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:31:40,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:31:40,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:31:40,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:31:40,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:31:40,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:31:40,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:31:40,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:31:40,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:31:40,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:31:40,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:31:40,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:31:40,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:31:40,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:31:40,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:31:40,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:31:40,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:31:40,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:31:40,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:31:40,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:31:40,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:31:40,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:31:40,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:31:40,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:31:40,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:31:40,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:31:40,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-23 15:31:40,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:31:40,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:31:40,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:31:40,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:31:40,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:31:40,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:31:40,128 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:31:40,128 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:31:40,128 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:31:40,128 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:31:40,129 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:31:40,130 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:31:40,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:31:40,131 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:31:40,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:31:40,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:31:40,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:31:40,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:31:40,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:31:40,132 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:31:40,132 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:31:40,133 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:31:40,133 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:31:40,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:31:40,133 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:31:40,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:31:40,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:31:40,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:31:40,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:31:40,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:31:40,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:31:40,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:31:40,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:31:40,136 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:31:40,136 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:31:40,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:31:40,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:31:40,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:31:40,137 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_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2022-11-23 15:31:40,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:31:40,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:31:40,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:31:40,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:31:40,598 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:31:40,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-23 15:31:43,837 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:31:44,162 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:31:44,163 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/sv-benchmarks/c/floats-esbmc-regression/modf.i [2022-11-23 15:31:44,177 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/data/449746c44/7c7b658d22924d26b905406b9487187e/FLAG1b209305b [2022-11-23 15:31:44,201 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cedf712d-95d6-4a5b-8f99-59affe02f114/bin/utaipan-Q6hlc19bkW/data/449746c44/7c7b658d22924d26b905406b9487187e [2022-11-23 15:31:44,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:31:44,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:31:44,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:31:44,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:31:44,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:31:44,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:44" (1/1) ... [2022-11-23 15:31:44,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635a91a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:44, skipping insertion in model container [2022-11-23 15:31:44,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:44" (1/1) ... [2022-11-23 15:31:44,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:31:44,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:31:44,994 WARN L237 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_cedf712d-95d6-4a5b-8f99-59affe02f114/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2022-11-23 15:31:45,005 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2022-11-23 15:31:45,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c693949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:45, skipping insertion in model container [2022-11-23 15:31:45,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:31:45,007 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 15:31:45,010 INFO L158 Benchmark]: Toolchain (without parser) took 802.52ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 28.7MB in the beginning and 60.6MB in the end (delta: -31.9MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-11-23 15:31:45,010 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:31:45,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.12ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 28.5MB in the beginning and 60.6MB in the end (delta: -32.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-11-23 15:31:45,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.12ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 28.5MB in the beginning and 60.6MB in the end (delta: -32.0MB). Peak memory consumption was 3.4MB. 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