./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer --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 21e1a9abd162140b5f110bcc242ded04ef0b9d4e ....................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer --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 21e1a9abd162140b5f110bcc242ded04ef0b9d4e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:31:16,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:31:16,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:31:16,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:31:16,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:31:16,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:31:16,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:31:16,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:31:16,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:31:16,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:31:16,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:31:16,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:31:16,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:31:16,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:31:16,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:31:16,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:31:16,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:31:16,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:31:16,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:31:16,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:31:16,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:31:16,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:31:16,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:31:16,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:31:16,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:31:16,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:31:16,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:31:16,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:31:16,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:31:16,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:31:16,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:31:16,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:31:16,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:31:16,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:31:16,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:31:16,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:31:16,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:31:16,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:31:16,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:31:16,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:31:16,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:31:16,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:31:16,941 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:31:16,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:31:16,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:31:16,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:31:16,953 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:31:16,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:31:16,953 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:31:16,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:31:16,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:31:16,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:31:16,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:31:16,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:31:16,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:31:16,955 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:31:16,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:31:16,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:31:16,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:31:16,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:31:16,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:31:16,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:31:16,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:31:16,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:31:16,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:31:16,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:31:16,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:31:16,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:31:16,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:31:16,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:31:16,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:31:16,959 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-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e1a9abd162140b5f110bcc242ded04ef0b9d4e [2020-11-29 23:31:17,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:31:17,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:31:17,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:31:17,257 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:31:17,259 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:31:17,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-11-29 23:31:17,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/data/1a29d26a2/a80465dbf9a6463285fc7901fe6d77ed/FLAG62e671245 [2020-11-29 23:31:17,956 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:31:17,966 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-11-29 23:31:17,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/data/1a29d26a2/a80465dbf9a6463285fc7901fe6d77ed/FLAG62e671245 [2020-11-29 23:31:18,183 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/data/1a29d26a2/a80465dbf9a6463285fc7901fe6d77ed [2020-11-29 23:31:18,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:31:18,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:31:18,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:31:18,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:31:18,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:31:18,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:31:18" (1/1) ... [2020-11-29 23:31:18,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116bea2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:18, skipping insertion in model container [2020-11-29 23:31:18,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:31:18" (1/1) ... [2020-11-29 23:31:18,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:31:18,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:31:18,854 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: isnan 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:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:1080) 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:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) 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:1408) 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:1352) 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:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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) [2020-11-29 23:31:18,860 INFO L168 Benchmark]: Toolchain (without parser) took 671.60 ms. Allocated memory is still 100.7 MB. Free memory was 69.3 MB in the beginning and 76.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:18,861 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 73.4 MB. Free memory was 35.8 MB in the beginning and 35.7 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:31:18,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.27 ms. Allocated memory is still 100.7 MB. Free memory was 69.0 MB in the beginning and 76.1 MB in the end (delta: -7.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:31:18,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 73.4 MB. Free memory was 35.8 MB in the beginning and 35.7 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 669.27 ms. Allocated memory is still 100.7 MB. Free memory was 69.0 MB in the beginning and 76.1 MB in the end (delta: -7.1 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: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: 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 0.2.0-a4ecdab [2020-11-29 23:31:21,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:31:21,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:31:21,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:31:21,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:31:21,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:31:21,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:31:21,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:31:21,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:31:21,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:31:21,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:31:21,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:31:21,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:31:21,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:31:21,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:31:21,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:31:21,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:31:21,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:31:21,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:31:21,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:31:21,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:31:21,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:31:21,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:31:21,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:31:21,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:31:21,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:31:21,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:31:21,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:31:21,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:31:21,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:31:21,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:31:21,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:31:21,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:31:21,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:31:21,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:31:21,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:31:21,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:31:21,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:31:21,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:31:21,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:31:21,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:31:21,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 23:31:21,413 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:31:21,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:31:21,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:31:21,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:31:21,418 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:31:21,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:31:21,419 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:31:21,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:31:21,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:31:21,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:31:21,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:31:21,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:31:21,422 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:31:21,422 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:31:21,423 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:31:21,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:31:21,423 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:31:21,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:31:21,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:31:21,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:31:21,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:31:21,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:31:21,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:31:21,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:31:21,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:31:21,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:31:21,426 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 23:31:21,427 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:31:21,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:31:21,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:31:21,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:31:21,428 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-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21e1a9abd162140b5f110bcc242ded04ef0b9d4e [2020-11-29 23:31:21,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:31:21,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:31:21,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:31:21,923 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:31:21,923 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:31:21,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-11-29 23:31:21,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/data/52134b218/3504af2d29a24e3a996c5fd76293c766/FLAG81e9f3aef [2020-11-29 23:31:22,705 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:31:22,706 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-11-29 23:31:22,727 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/data/52134b218/3504af2d29a24e3a996c5fd76293c766/FLAG81e9f3aef [2020-11-29 23:31:22,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/data/52134b218/3504af2d29a24e3a996c5fd76293c766 [2020-11-29 23:31:22,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:31:22,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:31:22,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:31:22,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:31:22,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:31:22,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:31:22" (1/1) ... [2020-11-29 23:31:22,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@833ae01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:22, skipping insertion in model container [2020-11-29 23:31:22,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:31:22" (1/1) ... [2020-11-29 23:31:22,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:31:23,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:31:23,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:31:23,587 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:31:23,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:31:23,971 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:31:23,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23 WrapperNode [2020-11-29 23:31:23,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:31:23,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:31:23,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:31:23,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:31:23,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23" (1/1) ... [2020-11-29 23:31:24,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23" (1/1) ... [2020-11-29 23:31:24,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:31:24,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:31:24,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:31:24,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:31:24,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23" (1/1) ... [2020-11-29 23:31:24,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23" (1/1) ... [2020-11-29 23:31:24,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23" (1/1) ... [2020-11-29 23:31:24,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23" (1/1) ... [2020-11-29 23:31:24,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23" (1/1) ... [2020-11-29 23:31:24,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23" (1/1) ... [2020-11-29 23:31:24,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23" (1/1) ... [2020-11-29 23:31:24,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:31:24,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:31:24,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:31:24,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:31:24,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:31:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 23:31:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:31:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:31:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:31:26,633 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:31:26,634 INFO L298 CfgBuilder]: Removed 94 assume(true) statements. [2020-11-29 23:31:26,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:31:26 BoogieIcfgContainer [2020-11-29 23:31:26,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:31:26,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:31:26,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:31:26,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:31:26,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:31:22" (1/3) ... [2020-11-29 23:31:26,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1cf5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:31:26, skipping insertion in model container [2020-11-29 23:31:26,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:31:23" (2/3) ... [2020-11-29 23:31:26,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1cf5a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:31:26, skipping insertion in model container [2020-11-29 23:31:26,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:31:26" (3/3) ... [2020-11-29 23:31:26,643 INFO L111 eAbstractionObserver]: Analyzing ICFG float4.i [2020-11-29 23:31:26,654 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:31:26,658 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 43 error locations. [2020-11-29 23:31:26,670 INFO L253 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2020-11-29 23:31:26,694 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:31:26,694 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:31:26,694 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:31:26,694 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:31:26,694 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:31:26,695 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:31:26,695 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:31:26,695 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:31:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-11-29 23:31:26,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 23:31:26,719 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:26,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:31:26,720 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:26,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:26,725 INFO L82 PathProgramCache]: Analyzing trace with hash -594068727, now seen corresponding path program 1 times [2020-11-29 23:31:26,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:31:26,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827802287] [2020-11-29 23:31:26,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 23:31:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:26,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 23:31:26,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:31:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:31:26,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:31:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:31:26,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827802287] [2020-11-29 23:31:26,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:31:26,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 23:31:26,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581183332] [2020-11-29 23:31:26,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:31:26,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:31:26,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:31:26,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:31:26,844 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 2 states. [2020-11-29 23:31:26,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:31:26,870 INFO L93 Difference]: Finished difference Result 312 states and 455 transitions. [2020-11-29 23:31:26,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:31:26,871 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-29 23:31:26,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:31:26,880 INFO L225 Difference]: With dead ends: 312 [2020-11-29 23:31:26,880 INFO L226 Difference]: Without dead ends: 71 [2020-11-29 23:31:26,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:31:26,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-29 23:31:26,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-29 23:31:26,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-29 23:31:26,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 70 transitions. [2020-11-29 23:31:26,925 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 70 transitions. Word has length 9 [2020-11-29 23:31:26,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:31:26,926 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 70 transitions. [2020-11-29 23:31:26,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:31:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 70 transitions. [2020-11-29 23:31:26,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 23:31:26,927 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:26,927 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:31:27,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 23:31:27,148 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:27,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:27,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1988011892, now seen corresponding path program 1 times [2020-11-29 23:31:27,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:31:27,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704301146] [2020-11-29 23:31:27,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 23:31:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:28,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-29 23:31:28,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:31:28,132 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:31:28,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:31:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:31:28,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:31:28,484 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:31:28,543 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:31:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:31:28,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704301146] [2020-11-29 23:31:28,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:31:28,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 11 [2020-11-29 23:31:28,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927634419] [2020-11-29 23:31:28,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-29 23:31:28,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:31:28,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-29 23:31:28,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-11-29 23:31:28,588 INFO L87 Difference]: Start difference. First operand 71 states and 70 transitions. Second operand 11 states. [2020-11-29 23:31:37,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:31:37,447 INFO L93 Difference]: Finished difference Result 71 states and 70 transitions. [2020-11-29 23:31:37,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 23:31:37,466 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 10 [2020-11-29 23:31:37,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:31:37,467 INFO L225 Difference]: With dead ends: 71 [2020-11-29 23:31:37,467 INFO L226 Difference]: Without dead ends: 41 [2020-11-29 23:31:37,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-11-29 23:31:37,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-11-29 23:31:37,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-11-29 23:31:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-29 23:31:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2020-11-29 23:31:37,472 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 10 [2020-11-29 23:31:37,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:31:37,473 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2020-11-29 23:31:37,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-29 23:31:37,473 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2020-11-29 23:31:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 23:31:37,474 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:31:37,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:31:37,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 23:31:37,687 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:31:37,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:31:37,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1073076484, now seen corresponding path program 1 times [2020-11-29 23:31:37,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:31:37,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993328344] [2020-11-29 23:31:37,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 23:31:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:31:39,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 23:31:39,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:31:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:31:43,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:31:48,510 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-11-29 23:31:50,570 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) c_ULTIMATE.start_main_~f~0) (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~f~0 .cse0) .cse0)))) is different from true [2020-11-29 23:31:52,607 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) ULTIMATE.start_main_~f~0)) (not (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) .cse0))))) is different from false [2020-11-29 23:31:54,626 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) ULTIMATE.start_main_~f~0)) (not (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) .cse0))))) is different from true [2020-11-29 23:31:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:31:54,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993328344] [2020-11-29 23:31:54,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:31:54,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-29 23:31:54,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397717198] [2020-11-29 23:31:54,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 23:31:54,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:31:54,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 23:31:54,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=17, Unknown=4, NotChecked=18, Total=56 [2020-11-29 23:31:54,653 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 8 states. [2020-11-29 23:31:57,079 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv1 32))) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) ULTIMATE.start_main_~f~0)) (not (fp.eq (fp.mul c_currentRoundingMode ULTIMATE.start_main_~f~0 .cse0) .cse0)))))) is different from false [2020-11-29 23:32:07,514 WARN L193 SmtUtils]: Spent 6.00 s on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2020-11-29 23:32:21,831 WARN L193 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2020-11-29 23:32:26,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:26,360 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2020-11-29 23:32:26,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 23:32:26,383 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-11-29 23:32:26,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:26,384 INFO L225 Difference]: With dead ends: 41 [2020-11-29 23:32:26,384 INFO L226 Difference]: Without dead ends: 38 [2020-11-29 23:32:26,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 36.0s TimeCoverageRelationStatistics Valid=32, Invalid=29, Unknown=7, NotChecked=42, Total=110 [2020-11-29 23:32:26,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-29 23:32:26,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-11-29 23:32:26,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-11-29 23:32:26,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 37 transitions. [2020-11-29 23:32:26,388 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 37 transitions. Word has length 26 [2020-11-29 23:32:26,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:26,389 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 37 transitions. [2020-11-29 23:32:26,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 23:32:26,389 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 37 transitions. [2020-11-29 23:32:26,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 23:32:26,390 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:26,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:26,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 23:32:26,601 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:26,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:26,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1094029324, now seen corresponding path program 1 times [2020-11-29 23:32:26,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:32:26,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793594230] [2020-11-29 23:32:26,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 23:32:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:27,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:32:27,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:27,376 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-11-29 23:32:27,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:27,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:32:27,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:27,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793594230] [2020-11-29 23:32:27,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:27,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-29 23:32:27,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548651243] [2020-11-29 23:32:27,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:32:27,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:32:27,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:32:27,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:32:27,733 INFO L87 Difference]: Start difference. First operand 38 states and 37 transitions. Second operand 3 states. [2020-11-29 23:32:51,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:51,243 INFO L93 Difference]: Finished difference Result 38 states and 37 transitions. [2020-11-29 23:32:51,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:32:51,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-29 23:32:51,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:51,269 INFO L225 Difference]: With dead ends: 38 [2020-11-29 23:32:51,269 INFO L226 Difference]: Without dead ends: 35 [2020-11-29 23:32:51,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:32:51,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-29 23:32:51,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-29 23:32:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-29 23:32:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2020-11-29 23:32:51,273 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 27 [2020-11-29 23:32:51,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:51,274 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2020-11-29 23:32:51,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:32:51,274 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2020-11-29 23:32:51,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 23:32:51,276 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:51,276 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:51,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 23:32:51,490 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:51,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:51,490 INFO L82 PathProgramCache]: Analyzing trace with hash 831109440, now seen corresponding path program 1 times [2020-11-29 23:32:51,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:32:51,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889680476] [2020-11-29 23:32:51,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-29 23:32:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:54,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-29 23:32:54,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:33:01,047 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from false [2020-11-29 23:33:03,066 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from true [2020-11-29 23:33:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:07,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:33:13,520 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-11-29 23:33:15,933 WARN L860 $PredicateComparison]: unable to prove that (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode .cse0 c_ULTIMATE.start_main_~f~0) .cse0))) (fp.eq (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) c_ULTIMATE.start_main_~f~0)) is different from true [2020-11-29 23:33:17,961 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0)))) is different from false [2020-11-29 23:33:19,986 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0)))) is different from true [2020-11-29 23:33:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:33:20,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889680476] [2020-11-29 23:33:20,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:20,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2020-11-29 23:33:20,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024887804] [2020-11-29 23:33:20,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 23:33:20,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:33:20,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 23:33:20,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=17, Unknown=7, NotChecked=30, Total=72 [2020-11-29 23:33:20,009 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand 9 states. [2020-11-29 23:33:22,858 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (or (not (fp.eq (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.add c_currentRoundingMode .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (fp.eq (fp.div c_currentRoundingMode ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) ULTIMATE.start_main_~f~0))))) is different from false [2020-11-29 23:33:37,183 WARN L193 SmtUtils]: Spent 8.79 s on a formula simplification. DAG size of input: 17 DAG size of output: 9 [2020-11-29 23:33:49,175 WARN L193 SmtUtils]: Spent 3.39 s on a formula simplification that was a NOOP. DAG size: 13 [2020-11-29 23:33:55,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:55,340 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2020-11-29 23:33:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:33:55,363 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2020-11-29 23:33:55,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:33:55,364 INFO L225 Difference]: With dead ends: 35 [2020-11-29 23:33:55,364 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:33:55,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 37.5s TimeCoverageRelationStatistics Valid=32, Invalid=30, Unknown=10, NotChecked=60, Total=132 [2020-11-29 23:33:55,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:33:55,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:33:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:33:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:33:55,365 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2020-11-29 23:33:55,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:33:55,365 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:33:55,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 23:33:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:33:55,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:33:55,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 23:33:55,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:33:55,571 INFO L274 CegarLoopResult]: For program point L2-1(lines 2 4) no Hoare annotation was computed. [2020-11-29 23:33:55,571 INFO L274 CegarLoopResult]: For program point L1026-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,571 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,571 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,571 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 23:33:55,571 INFO L274 CegarLoopResult]: For program point L1027-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,571 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 23:33:55,571 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,571 INFO L274 CegarLoopResult]: For program point L1028-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,572 INFO L274 CegarLoopResult]: For program point L995-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,572 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,572 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,572 INFO L274 CegarLoopResult]: For program point L1029-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,572 INFO L274 CegarLoopResult]: For program point L996-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,572 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,572 INFO L274 CegarLoopResult]: For program point L964(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,572 INFO L274 CegarLoopResult]: For program point L997-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,572 INFO L274 CegarLoopResult]: For program point L964-2(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,572 INFO L274 CegarLoopResult]: For program point L964-3(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,572 INFO L274 CegarLoopResult]: For program point L964-4(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,573 INFO L274 CegarLoopResult]: For program point L964-6(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,573 INFO L274 CegarLoopResult]: For program point L964-7(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,573 INFO L274 CegarLoopResult]: For program point L964-8(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,573 INFO L274 CegarLoopResult]: For program point L964-10(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,573 INFO L274 CegarLoopResult]: For program point L964-11(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,573 INFO L274 CegarLoopResult]: For program point L964-12(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,573 INFO L274 CegarLoopResult]: For program point L964-14(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,573 INFO L274 CegarLoopResult]: For program point L964-15(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,573 INFO L274 CegarLoopResult]: For program point L964-16(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,573 INFO L274 CegarLoopResult]: For program point L964-18(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,573 INFO L274 CegarLoopResult]: For program point L964-19(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,574 INFO L274 CegarLoopResult]: For program point L964-20(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,574 INFO L274 CegarLoopResult]: For program point L964-22(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,574 INFO L274 CegarLoopResult]: For program point L964-23(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,574 INFO L274 CegarLoopResult]: For program point L964-24(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,574 INFO L274 CegarLoopResult]: For program point L964-26(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,574 INFO L274 CegarLoopResult]: For program point L964-27(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,574 INFO L274 CegarLoopResult]: For program point L964-28(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,574 INFO L274 CegarLoopResult]: For program point L964-30(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,574 INFO L274 CegarLoopResult]: For program point L964-31(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,574 INFO L274 CegarLoopResult]: For program point L998-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,574 INFO L274 CegarLoopResult]: For program point L964-32(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point L964-34(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point L964-35(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point L964-36(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point L964-38(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point L964-39(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point L964-40(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point L964-42(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point L964-43(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point L964-44(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point L964-46(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,575 INFO L274 CegarLoopResult]: For program point L964-47(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point L964-48(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point L964-50(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point L964-51(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point L964-52(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point L964-54(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point L964-55(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point L964-56(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point L964-58(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point L964-59(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point L964-60(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,576 INFO L274 CegarLoopResult]: For program point L964-62(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,577 INFO L274 CegarLoopResult]: For program point L999-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,577 INFO L274 CegarLoopResult]: For program point L966(lines 966 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,577 INFO L274 CegarLoopResult]: For program point L964-63(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,577 INFO L274 CegarLoopResult]: For program point L964-64(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,577 INFO L274 CegarLoopResult]: For program point L964-66(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,577 INFO L274 CegarLoopResult]: For program point L964-67(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,577 INFO L274 CegarLoopResult]: For program point L964-68(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,577 INFO L274 CegarLoopResult]: For program point L964-70(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,577 INFO L274 CegarLoopResult]: For program point L964-71(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,579 INFO L274 CegarLoopResult]: For program point L964-72(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,579 INFO L274 CegarLoopResult]: For program point L964-74(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,579 INFO L274 CegarLoopResult]: For program point L964-75(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,579 INFO L274 CegarLoopResult]: For program point L964-76(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,579 INFO L274 CegarLoopResult]: For program point L964-78(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,580 INFO L274 CegarLoopResult]: For program point L964-79(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,580 INFO L274 CegarLoopResult]: For program point L964-80(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,580 INFO L274 CegarLoopResult]: For program point L964-82(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,580 INFO L274 CegarLoopResult]: For program point L964-83(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,580 INFO L274 CegarLoopResult]: For program point L964-84(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,580 INFO L274 CegarLoopResult]: For program point L964-86(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,580 INFO L274 CegarLoopResult]: For program point L964-87(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,581 INFO L274 CegarLoopResult]: For program point L964-88(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,581 INFO L274 CegarLoopResult]: For program point L964-90(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,581 INFO L274 CegarLoopResult]: For program point L964-91(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,581 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,581 INFO L274 CegarLoopResult]: For program point L964-92(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,581 INFO L274 CegarLoopResult]: For program point L1000-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,581 INFO L274 CegarLoopResult]: For program point L964-94(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,582 INFO L274 CegarLoopResult]: For program point L964-95(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,582 INFO L274 CegarLoopResult]: For program point L964-96(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,582 INFO L274 CegarLoopResult]: For program point L964-98(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,582 INFO L274 CegarLoopResult]: For program point L964-99(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,582 INFO L274 CegarLoopResult]: For program point L964-100(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,582 INFO L274 CegarLoopResult]: For program point L964-102(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,582 INFO L274 CegarLoopResult]: For program point L964-103(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,582 INFO L274 CegarLoopResult]: For program point L964-104(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,583 INFO L274 CegarLoopResult]: For program point L964-106(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,583 INFO L274 CegarLoopResult]: For program point L964-107(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,583 INFO L274 CegarLoopResult]: For program point L964-108(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,583 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,583 INFO L274 CegarLoopResult]: For program point L964-110(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,583 INFO L274 CegarLoopResult]: For program point L964-111(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,583 INFO L274 CegarLoopResult]: For program point L964-112(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,584 INFO L274 CegarLoopResult]: For program point L964-114(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,584 INFO L274 CegarLoopResult]: For program point L964-115(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,584 INFO L274 CegarLoopResult]: For program point L964-116(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,584 INFO L274 CegarLoopResult]: For program point L964-118(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,584 INFO L274 CegarLoopResult]: For program point L964-119(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,584 INFO L274 CegarLoopResult]: For program point L964-120(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,584 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,585 INFO L274 CegarLoopResult]: For program point L964-122(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,585 INFO L274 CegarLoopResult]: For program point L964-123(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,585 INFO L274 CegarLoopResult]: For program point L1001-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,585 INFO L274 CegarLoopResult]: For program point L964-124(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,585 INFO L274 CegarLoopResult]: For program point L964-126(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,585 INFO L274 CegarLoopResult]: For program point L964-127(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,585 INFO L274 CegarLoopResult]: For program point L964-128(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,585 INFO L274 CegarLoopResult]: For program point L964-130(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,586 INFO L274 CegarLoopResult]: For program point L964-131(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,586 INFO L274 CegarLoopResult]: For program point L964-132(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,586 INFO L274 CegarLoopResult]: For program point L964-134(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,586 INFO L274 CegarLoopResult]: For program point L964-135(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,586 INFO L274 CegarLoopResult]: For program point L964-136(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,586 INFO L274 CegarLoopResult]: For program point L964-138(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,586 INFO L274 CegarLoopResult]: For program point L964-139(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,587 INFO L274 CegarLoopResult]: For program point L964-140(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,587 INFO L274 CegarLoopResult]: For program point L964-142(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,587 INFO L274 CegarLoopResult]: For program point L964-143(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,587 INFO L274 CegarLoopResult]: For program point L964-144(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,587 INFO L274 CegarLoopResult]: For program point L964-146(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,587 INFO L274 CegarLoopResult]: For program point L964-147(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,587 INFO L274 CegarLoopResult]: For program point L964-148(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,587 INFO L274 CegarLoopResult]: For program point L964-150(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,588 INFO L274 CegarLoopResult]: For program point L964-151(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,588 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,588 INFO L274 CegarLoopResult]: For program point L964-152(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,588 INFO L274 CegarLoopResult]: For program point L964-154(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,588 INFO L274 CegarLoopResult]: For program point L964-155(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,588 INFO L274 CegarLoopResult]: For program point L964-156(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,588 INFO L274 CegarLoopResult]: For program point L964-158(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,588 INFO L274 CegarLoopResult]: For program point L964-159(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,589 INFO L274 CegarLoopResult]: For program point L964-160(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,589 INFO L274 CegarLoopResult]: For program point L964-162(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,589 INFO L274 CegarLoopResult]: For program point L964-163(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,589 INFO L274 CegarLoopResult]: For program point L964-164(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,589 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,589 INFO L274 CegarLoopResult]: For program point L964-166(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,589 INFO L274 CegarLoopResult]: For program point L964-167(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,589 INFO L274 CegarLoopResult]: For program point L964-168(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,590 INFO L274 CegarLoopResult]: For program point L964-170(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,590 INFO L274 CegarLoopResult]: For program point L964-171(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,590 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,590 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,590 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,590 INFO L274 CegarLoopResult]: For program point L1004-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,590 INFO L274 CegarLoopResult]: For program point L1005-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,591 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,591 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,591 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,591 INFO L274 CegarLoopResult]: For program point L1006-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,591 INFO L274 CegarLoopResult]: For program point L1007-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,591 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,591 INFO L274 CegarLoopResult]: For program point L1008-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,592 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,592 INFO L274 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2020-11-29 23:33:55,592 INFO L274 CegarLoopResult]: For program point L1009-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,592 INFO L274 CegarLoopResult]: For program point L976-2(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,592 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,592 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,592 INFO L274 CegarLoopResult]: For program point L977-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,592 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:33:55,593 INFO L274 CegarLoopResult]: For program point L978-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,593 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,593 INFO L274 CegarLoopResult]: For program point L1012-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,593 INFO L274 CegarLoopResult]: For program point L979-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,593 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,593 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,593 INFO L274 CegarLoopResult]: For program point L1013-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,594 INFO L274 CegarLoopResult]: For program point L980-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,594 INFO L274 CegarLoopResult]: For program point L1014-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,594 INFO L274 CegarLoopResult]: For program point L1015-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,595 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:33:55,595 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,595 INFO L274 CegarLoopResult]: For program point L1016-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,595 INFO L274 CegarLoopResult]: For program point L983-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,595 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,595 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,595 INFO L274 CegarLoopResult]: For program point L1017-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,595 INFO L274 CegarLoopResult]: For program point L984-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,596 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,596 INFO L274 CegarLoopResult]: For program point L1018-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,596 INFO L274 CegarLoopResult]: For program point L985-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,596 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,596 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:33:55,596 INFO L274 CegarLoopResult]: For program point L1019-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,596 INFO L274 CegarLoopResult]: For program point L986-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,596 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,597 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,597 INFO L274 CegarLoopResult]: For program point L987-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,597 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,597 INFO L274 CegarLoopResult]: For program point L1022-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,597 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,597 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:33:55,597 INFO L274 CegarLoopResult]: For program point L1023-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,598 INFO L274 CegarLoopResult]: For program point L990-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,598 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,598 INFO L274 CegarLoopResult]: For program point L1024-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,598 INFO L274 CegarLoopResult]: For program point L991-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,598 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,598 INFO L274 CegarLoopResult]: For program point L1025-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,598 INFO L274 CegarLoopResult]: For program point L992-1(lines 967 1031) no Hoare annotation was computed. [2020-11-29 23:33:55,598 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,599 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-29 23:33:55,599 INFO L274 CegarLoopResult]: For program point L2(lines 2 4) no Hoare annotation was computed. [2020-11-29 23:33:55,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:33:55 BoogieIcfgContainer [2020-11-29 23:33:55,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:33:55,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:33:55,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:33:55,605 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:33:55,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:31:26" (3/4) ... [2020-11-29 23:33:55,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:33:55,632 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 23:33:55,633 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:33:55,634 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:33:55,635 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:33:55,772 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_81efe2df-9090-4b63-ac53-cf815d20cf02/bin/uautomizer/witness.graphml [2020-11-29 23:33:55,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:33:55,774 INFO L168 Benchmark]: Toolchain (without parser) took 152846.85 ms. Allocated memory was 58.7 MB in the beginning and 96.5 MB in the end (delta: 37.7 MB). Free memory was 34.9 MB in the beginning and 35.2 MB in the end (delta: -348.8 kB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:55,774 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 58.7 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:33:55,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1042.84 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 34.7 MB in the beginning and 56.4 MB in the end (delta: -21.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:55,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.79 ms. Allocated memory is still 79.7 MB. Free memory was 56.4 MB in the beginning and 52.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:55,776 INFO L168 Benchmark]: Boogie Preprocessor took 41.15 ms. Allocated memory is still 79.7 MB. Free memory was 52.9 MB in the beginning and 50.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:55,776 INFO L168 Benchmark]: RCFGBuilder took 2554.16 ms. Allocated memory is still 79.7 MB. Free memory was 50.2 MB in the beginning and 43.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:55,777 INFO L168 Benchmark]: TraceAbstraction took 148967.35 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 43.8 MB in the beginning and 43.6 MB in the end (delta: 188.6 kB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:55,777 INFO L168 Benchmark]: Witness Printer took 167.46 ms. Allocated memory is still 96.5 MB. Free memory was 43.6 MB in the beginning and 35.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:33:55,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 58.7 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1042.84 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 34.7 MB in the beginning and 56.4 MB in the end (delta: -21.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.79 ms. Allocated memory is still 79.7 MB. Free memory was 56.4 MB in the beginning and 52.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.15 ms. Allocated memory is still 79.7 MB. Free memory was 52.9 MB in the beginning and 50.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2554.16 ms. Allocated memory is still 79.7 MB. Free memory was 50.2 MB in the beginning and 43.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 148967.35 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 43.8 MB in the beginning and 43.6 MB in the end (delta: 188.6 kB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * Witness Printer took 167.46 ms. Allocated memory is still 96.5 MB. Free memory was 43.6 MB in the beginning and 35.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 43 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 224 locations, 43 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 148.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 99.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 130 SDtfs, 243 SDslu, 43 SDs, 0 SdLazy, 134 SolverSat, 12 SolverUnsat, 15 SolverUnknown, 0 SolverNotchecked, 52.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 176 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 74.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=0, 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, 5 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, 6.5s SatisfiabilityAnalysisTime, 41.3s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 202 ConstructedInterpolants, 17 QuantifiedInterpolants, 52093 SizeOfPredicates, 15 NumberOfNonLiveVariables, 206 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...