./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 .................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/modf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:32:57,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:32:57,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:32:57,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:32:57,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:32:57,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:32:57,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:32:57,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:32:57,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:32:57,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:32:57,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:32:57,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:32:57,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:32:57,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:32:57,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:32:57,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:32:57,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:32:57,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:32:57,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:32:57,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:32:57,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:32:57,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:32:57,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:32:57,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:32:57,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:32:57,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:32:57,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:32:57,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:32:57,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:32:57,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:32:57,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:32:57,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:32:57,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:32:57,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:32:57,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:32:57,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:32:57,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:32:57,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:32:57,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:32:57,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:32:57,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:32:57,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:32:57,195 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:32:57,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:32:57,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:32:57,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:32:57,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:32:57,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:32:57,199 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:32:57,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:32:57,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:32:57,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:32:57,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:32:57,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:32:57,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:32:57,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:32:57,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:32:57,202 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:32:57,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:32:57,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:32:57,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:32:57,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:32:57,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:32:57,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:32:57,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:32:57,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:32:57,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:32:57,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:32:57,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:32:57,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:32:57,207 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:32:57,208 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:32:57,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:32:57,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:32:57,209 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_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-10-28 09:32:57,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:32:57,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:32:57,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:32:57,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:32:57,601 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:32:57,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-10-28 09:32:57,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/data/8929264be/321323151a944dd698fe942c92e3757e/FLAGf5526fa75 [2021-10-28 09:32:58,414 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:32:58,415 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-10-28 09:32:58,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/data/8929264be/321323151a944dd698fe942c92e3757e/FLAGf5526fa75 [2021-10-28 09:32:58,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/data/8929264be/321323151a944dd698fe942c92e3757e [2021-10-28 09:32:58,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:32:58,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:32:58,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:32:58,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:32:58,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:32:58,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:32:58" (1/1) ... [2021-10-28 09:32:58,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caad715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:58, skipping insertion in model container [2021-10-28 09:32:58,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:32:58" (1/1) ... [2021-10-28 09:32:58,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:32:58,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:32:59,602 WARN L228 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_98672ec6-8dbd-4ab5-8853-3d26469051b1/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2021-10-28 09:32:59,626 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-10-28 09:32:59,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33ed9455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:32:59, skipping insertion in model container [2021-10-28 09:32:59,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:32:59,629 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-28 09:32:59,633 INFO L168 Benchmark]: Toolchain (without parser) took 959.46 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.5 MB in the beginning and 82.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:59,637 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory is still 69.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:32:59,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 956.02 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.2 MB in the beginning and 82.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:32:59,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 88.1 MB. Free memory is still 69.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 956.02 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.2 MB in the beginning and 82.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:33:02,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:33:02,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:33:02,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:33:02,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:33:02,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:33:02,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:33:02,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:33:02,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:33:02,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:33:02,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:33:02,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:33:02,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:33:02,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:33:02,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:33:02,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:33:02,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:33:02,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:33:02,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:33:02,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:33:02,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:33:02,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:33:02,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:33:02,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:33:02,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:33:02,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:33:02,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:33:02,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:33:02,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:33:02,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:33:02,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:33:02,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:33:02,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:33:02,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:33:02,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:33:02,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:33:02,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:33:02,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:33:02,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:33:02,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:33:02,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:33:02,913 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 09:33:02,975 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:33:02,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:33:02,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:33:02,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:33:02,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:33:02,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:33:02,982 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:33:02,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:33:02,982 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:33:02,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:33:02,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:33:02,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:33:02,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:33:02,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:33:02,986 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:33:02,987 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:33:02,987 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:33:02,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:33:02,988 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:33:02,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:33:02,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:33:02,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:33:02,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:33:02,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:33:02,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:33:02,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:33:02,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:33:02,991 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:33:02,991 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:33:02,992 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:33:02,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:33:02,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:33:02,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:33:02,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:33:02,994 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_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12516b7f88a77979bac7d21927f517ee201562fb275581e963fe3c8b8b467d7 [2021-10-28 09:33:03,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:33:03,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:33:03,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:33:03,521 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:33:03,523 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:33:03,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-10-28 09:33:03,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/data/c1e7c88cc/c24cd03f49664274ae1a7f2a205aa2e7/FLAGd4628f9e7 [2021-10-28 09:33:04,370 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:33:04,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/sv-benchmarks/c/floats-esbmc-regression/modf.i [2021-10-28 09:33:04,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/data/c1e7c88cc/c24cd03f49664274ae1a7f2a205aa2e7/FLAGd4628f9e7 [2021-10-28 09:33:04,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98672ec6-8dbd-4ab5-8853-3d26469051b1/bin/uautomizer-UnR33cPsHg/data/c1e7c88cc/c24cd03f49664274ae1a7f2a205aa2e7 [2021-10-28 09:33:04,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:33:04,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:33:04,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:33:04,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:33:04,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:33:04,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:33:04" (1/1) ... [2021-10-28 09:33:04,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d683861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:33:04, skipping insertion in model container [2021-10-28 09:33:04,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:33:04" (1/1) ... [2021-10-28 09:33:04,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:33:04,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:33:05,736 WARN L228 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_98672ec6-8dbd-4ab5-8853-3d26469051b1/sv-benchmarks/c/floats-esbmc-regression/modf.i[36279,36292] [2021-10-28 09:33:05,752 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff [2021-10-28 09:33:05,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5082f672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:33:05, skipping insertion in model container [2021-10-28 09:33:05,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:33:05,756 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-28 09:33:05,759 INFO L168 Benchmark]: Toolchain (without parser) took 1171.91 ms. Allocated memory is still 73.4 MB. Free memory was 50.5 MB in the beginning and 55.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:33:05,762 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 54.5 MB. Free memory is still 34.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:33:05,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1166.73 ms. Allocated memory is still 73.4 MB. Free memory was 50.3 MB in the beginning and 55.5 MB in the end (delta: -5.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:33:05,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 54.5 MB. Free memory is still 34.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1166.73 ms. Allocated memory is still 73.4 MB. Free memory was 50.3 MB in the beginning and 55.5 MB in the end (delta: -5.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * 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...