./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float8.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_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG --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 b2f5701869f9766db0f7f0b6ad09798a01e8d8c8a5b26f4c243605e8a91bc641 ............................................................................................................................................................................... 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_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG --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 b2f5701869f9766db0f7f0b6ad09798a01e8d8c8a5b26f4c243605e8a91bc641 ......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:45:09,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:45:09,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:45:09,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:45:09,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:45:09,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:45:09,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:45:09,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:45:09,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:45:09,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:45:09,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:45:09,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:45:09,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:45:09,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:45:09,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:45:09,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:45:09,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:45:09,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:45:09,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:45:09,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:45:09,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:45:09,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:45:09,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:45:09,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:45:09,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:45:09,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:45:09,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:45:09,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:45:09,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:45:09,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:45:09,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:45:09,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:45:09,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:45:09,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:45:09,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:45:09,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:45:09,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:45:09,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:45:09,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:45:09,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:45:09,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:45:09,913 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:45:09,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:45:09,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:45:09,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:45:09,965 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:45:09,966 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:45:09,966 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:45:09,966 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:45:09,966 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:45:09,967 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:45:09,967 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:45:09,967 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:45:09,967 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:45:09,968 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:45:09,968 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:45:09,974 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:45:09,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:45:09,975 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:45:09,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:45:09,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:45:09,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:45:09,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:45:09,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:45:09,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:45:09,977 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:45:09,977 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:45:09,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:45:09,978 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:45:09,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:45:09,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:45:09,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:45:09,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:45:09,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:45:09,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:45:09,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:45:09,981 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:45:09,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:45:09,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:45:09,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:45:09,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:45:09,983 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2f5701869f9766db0f7f0b6ad09798a01e8d8c8a5b26f4c243605e8a91bc641 [2021-10-29 05:45:10,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:45:10,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:45:10,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:45:10,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:45:10,297 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:45:10,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-cbmc-regression/float8.i [2021-10-29 05:45:10,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/data/a8cccee8d/6a9a524b312b45eb889cc8cbd17c624d/FLAG9932fd541 [2021-10-29 05:45:10,883 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:45:10,884 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/sv-benchmarks/c/floats-cbmc-regression/float8.i [2021-10-29 05:45:10,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/data/a8cccee8d/6a9a524b312b45eb889cc8cbd17c624d/FLAG9932fd541 [2021-10-29 05:45:11,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/data/a8cccee8d/6a9a524b312b45eb889cc8cbd17c624d [2021-10-29 05:45:11,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:45:11,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:45:11,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:45:11,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:45:11,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:45:11,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:45:11" (1/1) ... [2021-10-29 05:45:11,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcf920d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:11, skipping insertion in model container [2021-10-29 05:45:11,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:45:11" (1/1) ... [2021-10-29 05:45:11,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:45:11,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:45:11,775 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: finite at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1694) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2355) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1365) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1436) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 05:45:11,780 INFO L168 Benchmark]: Toolchain (without parser) took 612.36 ms. Allocated memory is still 125.8 MB. Free memory was 82.8 MB in the beginning and 98.1 MB in the end (delta: -15.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:45:11,781 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 125.8 MB. Free memory is still 100.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:45:11,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.86 ms. Allocated memory is still 125.8 MB. Free memory was 82.6 MB in the beginning and 98.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:45:11,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 125.8 MB. Free memory is still 100.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.86 ms. Allocated memory is still 125.8 MB. Free memory was 82.6 MB in the beginning and 98.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: finite de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: finite: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) 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 [2021-10-29 05:45:14,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:45:14,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:45:14,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:45:14,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:45:14,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:45:14,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:45:14,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:45:14,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:45:14,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:45:14,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:45:14,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:45:14,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:45:14,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:45:14,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:45:14,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:45:14,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:45:14,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:45:14,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:45:14,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:45:14,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:45:14,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:45:14,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:45:14,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:45:14,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:45:14,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:45:14,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:45:14,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:45:14,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:45:14,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:45:14,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:45:14,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:45:14,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:45:14,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:45:14,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:45:14,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:45:14,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:45:14,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:45:14,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:45:14,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:45:14,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:45:14,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:45:14,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:45:14,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:45:14,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:45:14,237 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:45:14,238 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:45:14,238 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:45:14,238 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:45:14,238 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:45:14,238 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:45:14,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:45:14,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:45:14,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:45:14,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:45:14,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:45:14,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:45:14,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:45:14,243 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:45:14,243 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:45:14,243 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:45:14,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:45:14,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:45:14,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:45:14,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:45:14,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:45:14,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:45:14,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:45:14,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:45:14,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:45:14,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:45:14,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:45:14,246 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:45:14,246 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:45:14,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:45:14,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:45:14,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:45:14,248 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_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2f5701869f9766db0f7f0b6ad09798a01e8d8c8a5b26f4c243605e8a91bc641 [2021-10-29 05:45:14,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:45:14,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:45:14,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:45:14,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:45:14,694 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:45:14,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-cbmc-regression/float8.i [2021-10-29 05:45:14,764 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/data/514bea982/b7751adef52245cc98d9e3cada212819/FLAGd3a47033c [2021-10-29 05:45:15,457 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:45:15,457 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/sv-benchmarks/c/floats-cbmc-regression/float8.i [2021-10-29 05:45:15,479 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/data/514bea982/b7751adef52245cc98d9e3cada212819/FLAGd3a47033c [2021-10-29 05:45:15,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/data/514bea982/b7751adef52245cc98d9e3cada212819 [2021-10-29 05:45:15,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:45:15,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:45:15,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:45:15,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:45:15,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:45:15,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:45:15" (1/1) ... [2021-10-29 05:45:15,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61335c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:15, skipping insertion in model container [2021-10-29 05:45:15,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:45:15" (1/1) ... [2021-10-29 05:45:15,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:45:15,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:45:16,426 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_176fb3da-2806-4a10-a761-5fffc7410555/sv-benchmarks/c/floats-cbmc-regression/float8.i[40985,40998] [2021-10-29 05:45:16,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:45:16,446 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:45:16,482 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_176fb3da-2806-4a10-a761-5fffc7410555/sv-benchmarks/c/floats-cbmc-regression/float8.i[40985,40998] [2021-10-29 05:45:16,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:45:16,640 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:45:16,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16 WrapperNode [2021-10-29 05:45:16,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:45:16,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:45:16,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:45:16,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:45:16,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16" (1/1) ... [2021-10-29 05:45:16,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16" (1/1) ... [2021-10-29 05:45:16,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:45:16,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:45:16,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:45:16,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:45:16,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16" (1/1) ... [2021-10-29 05:45:16,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16" (1/1) ... [2021-10-29 05:45:16,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16" (1/1) ... [2021-10-29 05:45:16,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16" (1/1) ... [2021-10-29 05:45:16,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16" (1/1) ... [2021-10-29 05:45:16,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16" (1/1) ... [2021-10-29 05:45:16,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16" (1/1) ... [2021-10-29 05:45:16,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:45:16,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:45:16,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:45:16,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:45:16,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16" (1/1) ... [2021-10-29 05:45:16,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:45:16,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:45:16,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:45:16,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:45:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:45:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:45:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:45:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:45:17,100 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:45:17,101 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 05:45:17,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:45:17 BoogieIcfgContainer [2021-10-29 05:45:17,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:45:17,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:45:17,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:45:17,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:45:17,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:45:15" (1/3) ... [2021-10-29 05:45:17,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3342e1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:45:17, skipping insertion in model container [2021-10-29 05:45:17,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:45:16" (2/3) ... [2021-10-29 05:45:17,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3342e1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:45:17, skipping insertion in model container [2021-10-29 05:45:17,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:45:17" (3/3) ... [2021-10-29 05:45:17,112 INFO L111 eAbstractionObserver]: Analyzing ICFG float8.i [2021-10-29 05:45:17,118 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:45:17,119 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:45:17,179 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:45:17,188 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:45:17,189 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 05:45:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:45:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 05:45:17,212 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:45:17,213 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 05:45:17,214 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:45:17,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:45:17,231 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2021-10-29 05:45:17,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:45:17,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334108723] [2021-10-29 05:45:17,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:45:17,249 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:45:17,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:45:17,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:45:17,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:45:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:45:17,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:45:17,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:45:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:45:17,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:45:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:45:17,535 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:45:17,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334108723] [2021-10-29 05:45:17,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [334108723] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:45:17,536 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:45:17,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:45:17,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111556246] [2021-10-29 05:45:17,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:45:17,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:45:17,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:45:17,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:45:17,562 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:45:17,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:45:17,574 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2021-10-29 05:45:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:45:17,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-29 05:45:17,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:45:17,584 INFO L225 Difference]: With dead ends: 17 [2021-10-29 05:45:17,584 INFO L226 Difference]: Without dead ends: 7 [2021-10-29 05:45:17,587 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:45:17,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-29 05:45:17,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-29 05:45:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:45:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-10-29 05:45:17,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-10-29 05:45:17,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:45:17,616 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-10-29 05:45:17,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:45:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-10-29 05:45:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 05:45:17,617 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:45:17,618 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 05:45:17,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:45:17,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:45:17,838 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:45:17,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:45:17,839 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-10-29 05:45:17,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:45:17,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988690569] [2021-10-29 05:45:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:45:17,840 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:45:17,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:45:17,842 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:45:17,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:45:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:45:18,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:45:18,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:45:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:45:19,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:45:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:45:19,413 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:45:19,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1988690569] [2021-10-29 05:45:19,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1988690569] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:45:19,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:45:19,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-10-29 05:45:19,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432276721] [2021-10-29 05:45:19,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-29 05:45:19,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:45:19,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-29 05:45:19,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:45:19,419 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:45:19,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:45:19,700 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2021-10-29 05:45:19,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:45:19,700 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-29 05:45:19,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:45:19,700 INFO L225 Difference]: With dead ends: 7 [2021-10-29 05:45:19,700 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:45:19,701 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-10-29 05:45:19,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:45:19,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:45:19,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:45:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:45:19,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-10-29 05:45:19,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:45:19,703 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:45:19,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:45:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:45:19,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:45:19,713 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:45:19,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:45:19,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:45:19,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:45:19,930 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:45:19,930 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:45:19,931 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:45:19,931 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:45:19,931 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 973) no Hoare annotation was computed. [2021-10-29 05:45:19,934 INFO L857 garLoopResultBuilder]: For program point L973(line 973) no Hoare annotation was computed. [2021-10-29 05:45:19,934 INFO L857 garLoopResultBuilder]: For program point L973-1(line 973) no Hoare annotation was computed. [2021-10-29 05:45:19,935 INFO L857 garLoopResultBuilder]: For program point L966(lines 966 974) no Hoare annotation was computed. [2021-10-29 05:45:19,935 INFO L857 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2021-10-29 05:45:19,935 INFO L857 garLoopResultBuilder]: For program point L2(lines 2 4) no Hoare annotation was computed. [2021-10-29 05:45:19,938 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-29 05:45:19,942 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:45:19,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:45:19 BoogieIcfgContainer [2021-10-29 05:45:19,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:45:19,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:45:19,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:45:19,948 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:45:19,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:45:17" (3/4) ... [2021-10-29 05:45:19,951 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:45:19,961 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 05:45:19,962 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:45:19,962 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:45:19,962 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:45:19,997 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:45:20,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:45:20,004 INFO L168 Benchmark]: Toolchain (without parser) took 4282.41 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 36.9 MB in the beginning and 50.0 MB in the end (delta: -13.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:45:20,005 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 58.7 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:45:20,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.47 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 36.7 MB in the beginning and 51.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:45:20,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.50 ms. Allocated memory is still 88.1 MB. Free memory was 51.9 MB in the beginning and 49.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:45:20,007 INFO L168 Benchmark]: Boogie Preprocessor took 25.03 ms. Allocated memory is still 88.1 MB. Free memory was 49.6 MB in the beginning and 48.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:45:20,010 INFO L168 Benchmark]: RCFGBuilder took 381.53 ms. Allocated memory is still 88.1 MB. Free memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: -16.8 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:45:20,011 INFO L168 Benchmark]: TraceAbstraction took 2840.37 ms. Allocated memory is still 88.1 MB. Free memory was 64.5 MB in the beginning and 52.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:45:20,014 INFO L168 Benchmark]: Witness Printer took 54.97 ms. Allocated memory is still 88.1 MB. Free memory was 52.1 MB in the beginning and 50.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:45:20,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 58.7 MB. Free memory is still 39.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 907.47 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 36.7 MB in the beginning and 51.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.50 ms. Allocated memory is still 88.1 MB. Free memory was 51.9 MB in the beginning and 49.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.03 ms. Allocated memory is still 88.1 MB. Free memory was 49.6 MB in the beginning and 48.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 381.53 ms. Allocated memory is still 88.1 MB. Free memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: -16.8 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2840.37 ms. Allocated memory is still 88.1 MB. Free memory was 64.5 MB in the beginning and 52.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * Witness Printer took 54.97 ms. Allocated memory is still 88.1 MB. Free memory was 52.1 MB in the beginning and 50.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 973]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 1 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 6 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 05:45:20,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176fb3da-2806-4a10-a761-5fffc7410555/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...