./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float_lib2.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_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/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 bb715f893a8d779115a1e4ab8c45115be341dce1 ...................................................................................................................................................................... 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_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/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 bb715f893a8d779115a1e4ab8c45115be341dce1 ............................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:35:50,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:35:50,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:35:50,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:35:50,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:35:50,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:35:50,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:35:50,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:35:50,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:35:50,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:35:50,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:35:50,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:35:50,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:35:50,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:35:50,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:35:50,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:35:50,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:35:50,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:35:50,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:35:50,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:35:50,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:35:50,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:35:50,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:35:50,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:35:50,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:35:50,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:35:50,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:35:50,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:35:50,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:35:50,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:35:50,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:35:50,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:35:50,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:35:50,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:35:50,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:35:50,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:35:50,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:35:50,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:35:50,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:35:50,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:35:50,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:35:50,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:35:51,021 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:35:51,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:35:51,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:35:51,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:35:51,024 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:35:51,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:35:51,025 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:35:51,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:35:51,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:35:51,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:35:51,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:35:51,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:35:51,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:35:51,027 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:35:51,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:35:51,028 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:35:51,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:35:51,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:35:51,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:35:51,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:35:51,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:35:51,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:35:51,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:35:51,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:35:51,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:35:51,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:35:51,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:35:51,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:35:51,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:35:51,031 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_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb715f893a8d779115a1e4ab8c45115be341dce1 [2020-11-29 18:35:51,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:35:51,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:35:51,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:35:51,419 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:35:51,420 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:35:51,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2020-11-29 18:35:51,525 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/data/1426ae22f/a57faccbac284e8b85c3722020980754/FLAGb31641f33 [2020-11-29 18:35:52,150 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:35:52,151 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2020-11-29 18:35:52,192 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/data/1426ae22f/a57faccbac284e8b85c3722020980754/FLAGb31641f33 [2020-11-29 18:35:52,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/data/1426ae22f/a57faccbac284e8b85c3722020980754 [2020-11-29 18:35:52,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:35:52,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:35:52,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:35:52,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:35:52,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:35:52,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197e1c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52, skipping insertion in model container [2020-11-29 18:35:52,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:35:52,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:35:53,233 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: fpclassify 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:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) 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.base.CHandler.visit(CHandler.java:1569) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) 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 18:35:53,239 INFO L168 Benchmark]: Toolchain (without parser) took 839.21 ms. Allocated memory is still 81.8 MB. Free memory was 47.6 MB in the beginning and 57.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:53,242 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:35:53,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 834.43 ms. Allocated memory is still 81.8 MB. Free memory was 47.4 MB in the beginning and 57.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:53,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 834.43 ms. Allocated memory is still 81.8 MB. Free memory was 47.4 MB in the beginning and 57.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.5 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: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: 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 18:35:55,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:35:55,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:35:55,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:35:55,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:35:55,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:35:55,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:35:55,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:35:55,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:35:55,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:35:55,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:35:55,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:35:55,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:35:55,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:35:55,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:35:55,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:35:55,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:35:55,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:35:55,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:35:55,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:35:55,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:35:55,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:35:55,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:35:55,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:35:55,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:35:56,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:35:56,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:35:56,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:35:56,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:35:56,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:35:56,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:35:56,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:35:56,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:35:56,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:35:56,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:35:56,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:35:56,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:35:56,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:35:56,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:35:56,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:35:56,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:35:56,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 18:35:56,082 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:35:56,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:35:56,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:35:56,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:35:56,084 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:35:56,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:35:56,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:35:56,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:35:56,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:35:56,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:35:56,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:35:56,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:35:56,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 18:35:56,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 18:35:56,086 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:35:56,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:35:56,087 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:35:56,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:35:56,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:35:56,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:35:56,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:35:56,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:35:56,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:35:56,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:35:56,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:35:56,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:35:56,089 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 18:35:56,089 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 18:35:56,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:35:56,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:35:56,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 18:35:56,090 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_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb715f893a8d779115a1e4ab8c45115be341dce1 [2020-11-29 18:35:56,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:35:56,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:35:56,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:35:56,661 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:35:56,662 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:35:56,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2020-11-29 18:35:56,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/data/db587659c/0baec1e85fda4c88bb9e524fc266e9a7/FLAG767a26eba [2020-11-29 18:35:57,515 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:35:57,516 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2020-11-29 18:35:57,540 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/data/db587659c/0baec1e85fda4c88bb9e524fc266e9a7/FLAG767a26eba [2020-11-29 18:35:57,722 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/data/db587659c/0baec1e85fda4c88bb9e524fc266e9a7 [2020-11-29 18:35:57,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:35:57,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:35:57,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:35:57,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:35:57,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:35:57,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:57" (1/1) ... [2020-11-29 18:35:57,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339ec247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:57, skipping insertion in model container [2020-11-29 18:35:57,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:57" (1/1) ... [2020-11-29 18:35:57,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:35:57,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:35:58,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:35:58,729 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:35:58,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:35:59,221 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:35:59,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59 WrapperNode [2020-11-29 18:35:59,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:35:59,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:35:59,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:35:59,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:35:59,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59" (1/1) ... [2020-11-29 18:35:59,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59" (1/1) ... [2020-11-29 18:35:59,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:35:59,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:35:59,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:35:59,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:35:59,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59" (1/1) ... [2020-11-29 18:35:59,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59" (1/1) ... [2020-11-29 18:35:59,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59" (1/1) ... [2020-11-29 18:35:59,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59" (1/1) ... [2020-11-29 18:35:59,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59" (1/1) ... [2020-11-29 18:35:59,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59" (1/1) ... [2020-11-29 18:35:59,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59" (1/1) ... [2020-11-29 18:35:59,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:35:59,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:35:59,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:35:59,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:35:59,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/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 18:35:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 18:35:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:35:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:35:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:36:00,120 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:36:00,122 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-29 18:36:00,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:00 BoogieIcfgContainer [2020-11-29 18:36:00,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:36:00,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:36:00,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:36:00,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:36:00,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:35:57" (1/3) ... [2020-11-29 18:36:00,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2560df4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:36:00, skipping insertion in model container [2020-11-29 18:36:00,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:59" (2/3) ... [2020-11-29 18:36:00,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2560df4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:36:00, skipping insertion in model container [2020-11-29 18:36:00,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:00" (3/3) ... [2020-11-29 18:36:00,136 INFO L111 eAbstractionObserver]: Analyzing ICFG float_lib2.i [2020-11-29 18:36:00,149 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:36:00,159 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-11-29 18:36:00,173 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-29 18:36:00,217 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:36:00,217 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:36:00,218 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:36:00,218 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:36:00,218 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:36:00,218 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:36:00,219 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:36:00,219 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:36:00,239 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-11-29 18:36:00,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 18:36:00,247 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:36:00,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-29 18:36:00,249 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:36:00,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:00,256 INFO L82 PathProgramCache]: Analyzing trace with hash 28693859, now seen corresponding path program 1 times [2020-11-29 18:36:00,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:36:00,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067787633] [2020-11-29 18:36:00,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/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 18:36:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:00,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:36:00,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:36:00,440 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 18:36:00,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:36:00,533 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 18:36:00,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2067787633] [2020-11-29 18:36:00,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:36:00,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 18:36:00,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335402353] [2020-11-29 18:36:00,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:36:00,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:36:00,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:36:00,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:36:00,559 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 4 states. [2020-11-29 18:36:00,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:36:00,650 INFO L93 Difference]: Finished difference Result 56 states and 75 transitions. [2020-11-29 18:36:00,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:36:00,654 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-11-29 18:36:00,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:36:00,670 INFO L225 Difference]: With dead ends: 56 [2020-11-29 18:36:00,671 INFO L226 Difference]: Without dead ends: 13 [2020-11-29 18:36:00,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:36:00,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-11-29 18:36:00,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-11-29 18:36:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-29 18:36:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2020-11-29 18:36:00,712 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 5 [2020-11-29 18:36:00,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:36:00,714 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2020-11-29 18:36:00,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:36:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-11-29 18:36:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 18:36:00,715 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:36:00,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:36:00,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 18:36:00,933 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:36:00,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:36:00,934 INFO L82 PathProgramCache]: Analyzing trace with hash 492667700, now seen corresponding path program 1 times [2020-11-29 18:36:00,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:36:00,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899475582] [2020-11-29 18:36:00,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/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 18:36:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:36:01,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:36:01,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:36:01,035 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:36:01,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:36:01,044 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:36:01,048 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:36:01,050 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,054 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,065 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,066 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,080 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:36:01,081 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:36:01,082 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,083 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,091 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,092 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,099 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:36:01,100 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:36:01,101 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:36:01,102 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:36:01,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,104 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,113 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,114 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,126 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:36:01,127 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 18:36:01,128 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,129 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,137 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,138 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 18:36:01,156 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 18:36:01,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:36:01,288 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 3 [2020-11-29 18:36:01,297 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 18:36:01,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899475582] [2020-11-29 18:36:01,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:36:01,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2020-11-29 18:36:01,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304645856] [2020-11-29 18:36:01,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:36:01,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:36:01,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:36:01,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:36:01,302 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 5 states. [2020-11-29 18:36:01,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:36:01,373 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-11-29 18:36:01,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:36:01,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-11-29 18:36:01,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:36:01,374 INFO L225 Difference]: With dead ends: 13 [2020-11-29 18:36:01,374 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:36:01,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:36:01,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:36:01,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:36:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:36:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:36:01,376 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-11-29 18:36:01,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:36:01,376 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:36:01,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:36:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:36:01,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:36:01,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 18:36:01,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:36:01,637 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,637 INFO L274 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-11-29 18:36:01,637 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,638 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:36:01,638 INFO L274 CegarLoopResult]: For program point L383-2(line 383) no Hoare annotation was computed. [2020-11-29 18:36:01,638 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:36:01,638 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,638 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,639 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,639 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,639 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,639 INFO L274 CegarLoopResult]: For program point L12-7(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,639 INFO L274 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,639 INFO L274 CegarLoopResult]: For program point L12-10(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,640 INFO L274 CegarLoopResult]: For program point L12-11(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,640 INFO L274 CegarLoopResult]: For program point L12-12(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,640 INFO L270 CegarLoopResult]: At program point L384(lines 373 385) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_main_~largestSubnormalFloat~0 ((_ to_fp 8 24) currentRoundingMode (/ 8388607.0 713623846352979940529142984724747568191373312.0)))) [2020-11-29 18:36:01,640 INFO L274 CegarLoopResult]: For program point L12-14(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,641 INFO L274 CegarLoopResult]: For program point L12-15(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,641 INFO L274 CegarLoopResult]: For program point L12-16(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,641 INFO L274 CegarLoopResult]: For program point L12-18(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,641 INFO L274 CegarLoopResult]: For program point L12-19(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,641 INFO L274 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-11-29 18:36:01,642 INFO L274 CegarLoopResult]: For program point L12-20(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,642 INFO L274 CegarLoopResult]: For program point L376-2(lines 374 385) no Hoare annotation was computed. [2020-11-29 18:36:01,642 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,642 INFO L274 CegarLoopResult]: For program point L12-22(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,642 INFO L274 CegarLoopResult]: For program point L12-23(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,643 INFO L274 CegarLoopResult]: For program point L12-24(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,643 INFO L274 CegarLoopResult]: For program point L12-26(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,643 INFO L274 CegarLoopResult]: For program point L12-27(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,643 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,643 INFO L274 CegarLoopResult]: For program point L377-1(lines 374 385) no Hoare annotation was computed. [2020-11-29 18:36:01,644 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,644 INFO L274 CegarLoopResult]: For program point L378-1(lines 374 385) no Hoare annotation was computed. [2020-11-29 18:36:01,646 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:36:01,646 INFO L274 CegarLoopResult]: For program point L379-1(lines 374 385) no Hoare annotation was computed. [2020-11-29 18:36:01,646 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,647 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:36:01,647 INFO L274 CegarLoopResult]: For program point L380-1(lines 374 385) no Hoare annotation was computed. [2020-11-29 18:36:01,647 INFO L274 CegarLoopResult]: For program point L381-1(line 381) no Hoare annotation was computed. [2020-11-29 18:36:01,647 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:36:01,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 18:36:01,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 18:36:01,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:36:01 BoogieIcfgContainer [2020-11-29 18:36:01,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:36:01,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:36:01,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:36:01,670 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:36:01,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:00" (3/4) ... [2020-11-29 18:36:01,675 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:36:01,694 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-29 18:36:01,695 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:36:01,695 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:36:01,696 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:36:01,733 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: largestSubnormalFloat == ~to_fp~LONGDOUBLE(currentRoundingMode, 8388607/713623846352979940529142984724747568191373312)) [2020-11-29 18:36:01,773 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5ad69b75-e69a-454c-b1b5-f8f9a55888f6/bin/uautomizer/witness.graphml [2020-11-29 18:36:01,774 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:36:01,775 INFO L168 Benchmark]: Toolchain (without parser) took 4047.35 ms. Allocated memory was 56.6 MB in the beginning and 92.3 MB in the end (delta: 35.7 MB). Free memory was 33.0 MB in the beginning and 61.2 MB in the end (delta: -28.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:01,776 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 31.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:36:01,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1492.00 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 32.8 MB in the beginning and 36.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:01,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.69 ms. Allocated memory is still 75.5 MB. Free memory was 36.7 MB in the beginning and 34.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:01,779 INFO L168 Benchmark]: Boogie Preprocessor took 43.28 ms. Allocated memory is still 75.5 MB. Free memory was 34.5 MB in the beginning and 33.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:01,779 INFO L168 Benchmark]: RCFGBuilder took 785.14 ms. Allocated memory is still 75.5 MB. Free memory was 33.0 MB in the beginning and 47.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:01,780 INFO L168 Benchmark]: TraceAbstraction took 1541.56 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 46.9 MB in the beginning and 65.4 MB in the end (delta: -18.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:36:01,781 INFO L168 Benchmark]: Witness Printer took 104.34 ms. Allocated memory is still 92.3 MB. Free memory was 65.4 MB in the beginning and 61.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:36:01,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 31.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1492.00 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 32.8 MB in the beginning and 36.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.69 ms. Allocated memory is still 75.5 MB. Free memory was 36.7 MB in the beginning and 34.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.28 ms. Allocated memory is still 75.5 MB. Free memory was 34.5 MB in the beginning and 33.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 785.14 ms. Allocated memory is still 75.5 MB. Free memory was 33.0 MB in the beginning and 47.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1541.56 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 46.9 MB in the beginning and 65.4 MB in the end (delta: -18.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 104.34 ms. Allocated memory is still 92.3 MB. Free memory was 65.4 MB in the beginning and 61.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 373]: Loop Invariant [2020-11-29 18:36:01,795 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 18:36:01,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: largestSubnormalFloat == ~to_fp~LONGDOUBLE(currentRoundingMode, 8388607/713623846352979940529142984724747568191373312)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 16 SDslu, 4 SDs, 0 SdLazy, 21 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 6 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 8 QuantifiedInterpolants, 885 SizeOfPredicates, 6 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...