./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fmax.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_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/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 f24602a0caa1d47ea4587be7b2b610ea917e2304 ................................................................................................................................................................... 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_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/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 f24602a0caa1d47ea4587be7b2b610ea917e2304 .................................................................................................................................................................................................................................................................................................................. 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 22:35:56,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:35:56,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:35:56,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:35:56,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:35:56,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:35:56,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:35:56,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:35:56,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:35:56,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:35:56,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:35:56,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:35:56,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:35:56,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:35:56,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:35:56,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:35:56,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:35:56,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:35:56,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:35:56,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:35:56,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:35:56,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:35:56,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:35:56,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:35:56,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:35:56,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:35:56,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:35:56,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:35:56,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:35:56,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:35:56,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:35:56,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:35:56,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:35:56,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:35:56,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:35:56,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:35:56,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:35:56,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:35:56,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:35:56,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:35:56,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:35:56,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:35:56,495 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:35:56,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:35:56,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:35:56,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:35:56,499 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:35:56,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:35:56,500 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:35:56,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:35:56,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:35:56,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:35:56,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:35:56,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:35:56,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:35:56,503 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:35:56,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:35:56,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:35:56,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:35:56,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:35:56,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:35:56,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:35:56,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:35:56,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:35:56,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:35:56,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:35:56,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:35:56,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:35:56,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:35:56,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:35:56,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:35:56,508 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_da9028d4-17ab-419c-8a76-4c004be3e9dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f24602a0caa1d47ea4587be7b2b610ea917e2304 [2020-11-29 22:35:56,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:35:56,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:35:56,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:35:56,910 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:35:56,912 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:35:56,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2020-11-29 22:35:57,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/data/436bc583c/b7f08c381abf42399d8420cafd017751/FLAG5a534b19b [2020-11-29 22:35:57,677 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:35:57,678 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2020-11-29 22:35:57,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/data/436bc583c/b7f08c381abf42399d8420cafd017751/FLAG5a534b19b [2020-11-29 22:35:57,917 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/data/436bc583c/b7f08c381abf42399d8420cafd017751 [2020-11-29 22:35:57,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:35:57,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:35:57,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:35:57,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:35:57,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:35:57,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:35:57" (1/1) ... [2020-11-29 22:35:57,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335184fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:35:57, skipping insertion in model container [2020-11-29 22:35:57,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:35:57" (1/1) ... [2020-11-29 22:35:57,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:35:57,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:35:58,714 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: fmax at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1698) 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: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.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 22:35:58,720 INFO L168 Benchmark]: Toolchain (without parser) took 796.60 ms. Allocated memory is still 94.4 MB. Free memory was 63.5 MB in the beginning and 69.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:35:58,721 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory is still 51.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:35:58,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.85 ms. Allocated memory is still 94.4 MB. Free memory was 63.3 MB in the beginning and 69.2 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:35:58,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 94.4 MB. Free memory is still 51.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 793.85 ms. Allocated memory is still 94.4 MB. Free memory was 63.3 MB in the beginning and 69.2 MB in the end (delta: -5.9 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: fmax de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) 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 22:36:01,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:36:01,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:36:01,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:36:01,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:36:01,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:36:01,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:36:01,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:36:01,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:36:01,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:36:01,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:36:01,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:36:01,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:36:01,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:36:01,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:36:01,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:36:01,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:36:01,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:36:01,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:36:01,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:36:01,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:36:01,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:36:01,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:36:01,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:36:01,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:36:01,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:36:01,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:36:01,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:36:01,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:36:01,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:36:01,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:36:01,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:36:01,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:36:01,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:36:01,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:36:01,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:36:01,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:36:01,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:36:01,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:36:01,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:36:01,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:36:01,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 22:36:01,616 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:36:01,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:36:01,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:36:01,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:36:01,620 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:36:01,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:36:01,621 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:36:01,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:36:01,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:36:01,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:36:01,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:36:01,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:36:01,623 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 22:36:01,623 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 22:36:01,623 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:36:01,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:36:01,624 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:36:01,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:36:01,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:36:01,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:36:01,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:36:01,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:36:01,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:36:01,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:36:01,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:36:01,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:36:01,626 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 22:36:01,626 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 22:36:01,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:36:01,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:36:01,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 22:36:01,634 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_da9028d4-17ab-419c-8a76-4c004be3e9dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f24602a0caa1d47ea4587be7b2b610ea917e2304 [2020-11-29 22:36:02,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:36:02,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:36:02,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:36:02,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:36:02,111 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:36:02,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2020-11-29 22:36:02,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/data/1d23e2026/275fbd8f21ca4b798adf009b16015222/FLAGb7c6669a6 [2020-11-29 22:36:02,773 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:36:02,773 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2020-11-29 22:36:02,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/data/1d23e2026/275fbd8f21ca4b798adf009b16015222/FLAGb7c6669a6 [2020-11-29 22:36:03,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/data/1d23e2026/275fbd8f21ca4b798adf009b16015222 [2020-11-29 22:36:03,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:36:03,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:36:03,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:36:03,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:36:03,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:36:03,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:36:03" (1/1) ... [2020-11-29 22:36:03,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64279917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:03, skipping insertion in model container [2020-11-29 22:36:03,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:36:03" (1/1) ... [2020-11-29 22:36:03,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:36:03,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:36:03,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:36:03,842 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:36:03,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:36:04,432 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:36:04,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04 WrapperNode [2020-11-29 22:36:04,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:36:04,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:36:04,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:36:04,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:36:04,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04" (1/1) ... [2020-11-29 22:36:04,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04" (1/1) ... [2020-11-29 22:36:04,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:36:04,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:36:04,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:36:04,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:36:04,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04" (1/1) ... [2020-11-29 22:36:04,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04" (1/1) ... [2020-11-29 22:36:04,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04" (1/1) ... [2020-11-29 22:36:04,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04" (1/1) ... [2020-11-29 22:36:04,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04" (1/1) ... [2020-11-29 22:36:04,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04" (1/1) ... [2020-11-29 22:36:04,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04" (1/1) ... [2020-11-29 22:36:04,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:36:04,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:36:04,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:36:04,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:36:04,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/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 22:36:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 22:36:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:36:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:36:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:36:05,101 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:36:05,111 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-11-29 22:36:05,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:36:05 BoogieIcfgContainer [2020-11-29 22:36:05,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:36:05,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:36:05,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:36:05,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:36:05,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:36:03" (1/3) ... [2020-11-29 22:36:05,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787b4544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:36:05, skipping insertion in model container [2020-11-29 22:36:05,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:36:04" (2/3) ... [2020-11-29 22:36:05,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787b4544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:36:05, skipping insertion in model container [2020-11-29 22:36:05,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:36:05" (3/3) ... [2020-11-29 22:36:05,134 INFO L111 eAbstractionObserver]: Analyzing ICFG fmax.i [2020-11-29 22:36:05,157 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:36:05,161 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-29 22:36:05,175 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-29 22:36:05,216 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:36:05,216 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:36:05,216 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:36:05,217 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:36:05,217 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:36:05,217 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:36:05,217 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:36:05,218 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:36:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-11-29 22:36:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 22:36:05,239 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:36:05,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-29 22:36:05,240 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:36:05,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:36:05,247 INFO L82 PathProgramCache]: Analyzing trace with hash 889506790, now seen corresponding path program 1 times [2020-11-29 22:36:05,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:36:05,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59862282] [2020-11-29 22:36:05,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/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 22:36:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:36:05,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 22:36:05,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:36:05,482 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 22:36:05,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:36:05,532 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 22:36:05,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59862282] [2020-11-29 22:36:05,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:36:05,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 22:36:05,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602200671] [2020-11-29 22:36:05,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:36:05,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:36:05,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:36:05,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:36:05,565 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 4 states. [2020-11-29 22:36:05,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:36:05,624 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2020-11-29 22:36:05,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:36:05,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-29 22:36:05,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:36:05,630 INFO L225 Difference]: With dead ends: 41 [2020-11-29 22:36:05,631 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:36:05,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 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 22:36:05,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:36:05,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:36:05,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:36:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:36:05,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-11-29 22:36:05,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:36:05,660 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:36:05,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:36:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:36:05,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:36:05,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 22:36:05,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:36:05,940 INFO L274 CegarLoopResult]: For program point L877-12(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,940 INFO L274 CegarLoopResult]: For program point L877-14(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,940 INFO L274 CegarLoopResult]: For program point L877-15(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,940 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,941 INFO L274 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-11-29 22:36:05,941 INFO L274 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-11-29 22:36:05,941 INFO L270 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 22:36:05,941 INFO L274 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-11-29 22:36:05,941 INFO L274 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-11-29 22:36:05,941 INFO L270 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 22:36:05,941 INFO L274 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-11-29 22:36:05,941 INFO L274 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-11-29 22:36:05,942 INFO L270 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 22:36:05,942 INFO L274 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-11-29 22:36:05,942 INFO L274 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-11-29 22:36:05,942 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:36:05,942 INFO L270 CegarLoopResult]: At program point L878-15(lines 1 886) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 22:36:05,942 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:36:05,942 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:36:05,942 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,943 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:36:05,943 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,943 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,943 INFO L274 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,943 INFO L274 CegarLoopResult]: For program point L877-2(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,943 INFO L274 CegarLoopResult]: For program point L877-3(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,943 INFO L274 CegarLoopResult]: For program point L877-4(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,943 INFO L274 CegarLoopResult]: For program point L877-6(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,943 INFO L274 CegarLoopResult]: For program point L877-7(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,944 INFO L274 CegarLoopResult]: For program point L877-8(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,944 INFO L274 CegarLoopResult]: For program point L877-10(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,944 INFO L274 CegarLoopResult]: For program point L877-11(line 877) no Hoare annotation was computed. [2020-11-29 22:36:05,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:36:05 BoogieIcfgContainer [2020-11-29 22:36:05,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:36:05,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:36:05,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:36:05,965 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:36:05,966 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:36:05" (3/4) ... [2020-11-29 22:36:05,969 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:36:05,980 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-11-29 22:36:05,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 22:36:05,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:36:05,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:36:05,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:36:06,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_da9028d4-17ab-419c-8a76-4c004be3e9dd/bin/uautomizer/witness.graphml [2020-11-29 22:36:06,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:36:06,034 INFO L168 Benchmark]: Toolchain (without parser) took 2987.47 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 35.9 MB in the beginning and 41.8 MB in the end (delta: -5.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:06,035 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 40.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:36:06,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1384.90 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 50.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:06,036 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.20 ms. Allocated memory is still 73.4 MB. Free memory was 50.5 MB in the beginning and 48.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:06,037 INFO L168 Benchmark]: Boogie Preprocessor took 62.79 ms. Allocated memory is still 73.4 MB. Free memory was 48.2 MB in the beginning and 46.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:06,037 INFO L168 Benchmark]: RCFGBuilder took 513.20 ms. Allocated memory is still 73.4 MB. Free memory was 46.8 MB in the beginning and 32.5 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:06,038 INFO L168 Benchmark]: TraceAbstraction took 845.87 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 32.1 MB in the beginning and 44.7 MB in the end (delta: -12.6 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:06,039 INFO L168 Benchmark]: Witness Printer took 68.93 ms. Allocated memory is still 88.1 MB. Free memory was 44.7 MB in the beginning and 41.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:36:06,042 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 58.7 MB. Free memory is still 40.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1384.90 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 50.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.20 ms. Allocated memory is still 73.4 MB. Free memory was 50.5 MB in the beginning and 48.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.79 ms. Allocated memory is still 73.4 MB. Free memory was 48.2 MB in the beginning and 46.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 513.20 ms. Allocated memory is still 73.4 MB. Free memory was 46.8 MB in the beginning and 32.5 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 845.87 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 32.1 MB in the beginning and 44.7 MB in the end (delta: -12.6 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * Witness Printer took 68.93 ms. Allocated memory is still 88.1 MB. Free memory was 44.7 MB in the beginning and 41.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 12 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 20 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 4 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...