./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/nan.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/nan.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC --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 3e02dda953fda6e28db6d2654d097947742b4f5d ................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/nan.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC --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 3e02dda953fda6e28db6d2654d097947742b4f5d ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:19:55,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:19:55,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:19:55,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:19:55,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:19:55,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:19:55,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:19:55,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:19:55,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:19:55,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:19:55,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:19:55,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:19:55,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:19:55,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:19:55,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:19:55,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:19:55,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:19:55,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:19:55,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:19:55,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:19:55,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:19:55,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:19:55,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:19:55,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:19:55,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:19:55,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:19:55,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:19:55,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:19:55,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:19:55,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:19:55,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:19:55,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:19:55,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:19:55,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:19:55,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:19:55,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:19:55,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:19:55,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:19:55,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:19:55,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:19:55,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:19:55,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:19:55,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:19:55,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:19:55,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:19:55,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:19:55,397 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:19:55,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:19:55,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:19:55,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:19:55,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:19:55,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:19:55,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:19:55,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:19:55,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:19:55,399 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:19:55,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:19:55,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:19:55,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:19:55,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:19:55,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:19:55,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:19:55,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:19:55,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:19:55,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:19:55,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:19:55,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:19:55,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:19:55,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:19:55,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:19:55,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e02dda953fda6e28db6d2654d097947742b4f5d [2021-10-11 00:19:55,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:19:55,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:19:55,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:19:55,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:19:55,745 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:19:55,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/floats-esbmc-regression/nan.i [2021-10-11 00:19:55,851 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/data/7241fe614/4d31887fab824693b19c4501fa351369/FLAGbc056d2ae [2021-10-11 00:19:56,386 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:19:56,386 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/sv-benchmarks/c/floats-esbmc-regression/nan.i [2021-10-11 00:19:56,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/data/7241fe614/4d31887fab824693b19c4501fa351369/FLAGbc056d2ae [2021-10-11 00:19:56,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/data/7241fe614/4d31887fab824693b19c4501fa351369 [2021-10-11 00:19:56,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:19:56,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:19:56,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:19:56,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:19:56,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:19:56,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4008ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:19:56, skipping insertion in model container [2021-10-11 00:19:56,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:19:56" (1/1) ... [2021-10-11 00:19:56,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:19:56,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:19:57,336 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/sv-benchmarks/c/floats-esbmc-regression/nan.i[38357,38370] [2021-10-11 00:19:57,342 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$38(StandardFunctionHandler.java:355) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) 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:1341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2904) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2763) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1097) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1046) 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:1424) 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:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-11 00:19:57,348 INFO L168 Benchmark]: Toolchain (without parser) took 663.86 ms. Allocated memory is still 130.0 MB. Free memory was 97.4 MB in the beginning and 102.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:57,349 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:19:57,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.19 ms. Allocated memory is still 130.0 MB. Free memory was 97.4 MB in the beginning and 102.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:19:57,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory is still 44.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 661.19 ms. Allocated memory is still 130.0 MB. Free memory was 97.4 MB in the beginning and 102.9 MB in the end (delta: -5.5 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: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:19:59,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:19:59,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:19:59,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:19:59,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:19:59,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:19:59,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:19:59,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:19:59,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:19:59,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:19:59,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:19:59,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:19:59,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:19:59,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:19:59,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:19:59,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:19:59,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:19:59,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:19:59,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:19:59,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:19:59,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:19:59,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:19:59,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:19:59,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:19:59,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:19:59,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:19:59,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:19:59,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:19:59,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:19:59,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:19:59,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:19:59,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:19:59,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:19:59,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:19:59,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:19:59,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:19:59,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:19:59,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:19:59,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:19:59,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:19:59,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:19:59,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-11 00:19:59,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:19:59,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:19:59,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:19:59,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:19:59,883 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:19:59,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:19:59,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:19:59,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:19:59,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:19:59,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:19:59,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:19:59,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:19:59,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:19:59,887 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:19:59,887 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:19:59,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:19:59,888 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:19:59,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:19:59,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:19:59,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:19:59,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:19:59,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:19:59,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:19:59,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:19:59,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:19:59,891 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:19:59,891 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:19:59,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:19:59,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:19:59,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:19:59,893 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e02dda953fda6e28db6d2654d097947742b4f5d [2021-10-11 00:20:00,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:00,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:00,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:00,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:00,302 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:00,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/floats-esbmc-regression/nan.i [2021-10-11 00:20:00,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/data/0921ec27f/c4091b3d5ac5484fb74b2582985a5929/FLAG2cb33109e [2021-10-11 00:20:01,061 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:01,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/sv-benchmarks/c/floats-esbmc-regression/nan.i [2021-10-11 00:20:01,088 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/data/0921ec27f/c4091b3d5ac5484fb74b2582985a5929/FLAG2cb33109e [2021-10-11 00:20:01,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/data/0921ec27f/c4091b3d5ac5484fb74b2582985a5929 [2021-10-11 00:20:01,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:01,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:01,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:01,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:01,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:01,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ace7830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:01, skipping insertion in model container [2021-10-11 00:20:01,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:01" (1/1) ... [2021-10-11 00:20:01,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:01,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:02,013 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/sv-benchmarks/c/floats-esbmc-regression/nan.i[38357,38370] [2021-10-11 00:20:02,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:02,051 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:02,088 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/sv-benchmarks/c/floats-esbmc-regression/nan.i[38357,38370] [2021-10-11 00:20:02,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:02,497 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:02,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02 WrapperNode [2021-10-11 00:20:02,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:02,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:02,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:02,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:02,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02" (1/1) ... [2021-10-11 00:20:02,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02" (1/1) ... [2021-10-11 00:20:02,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:02,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:02,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:02,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:02,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02" (1/1) ... [2021-10-11 00:20:02,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02" (1/1) ... [2021-10-11 00:20:02,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02" (1/1) ... [2021-10-11 00:20:02,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02" (1/1) ... [2021-10-11 00:20:02,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02" (1/1) ... [2021-10-11 00:20:02,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02" (1/1) ... [2021-10-11 00:20:02,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02" (1/1) ... [2021-10-11 00:20:02,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:02,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:02,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:02,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:02,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 00:20:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:02,971 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:02,972 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-11 00:20:02,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:02 BoogieIcfgContainer [2021-10-11 00:20:02,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:02,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:20:02,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:20:02,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:20:02,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:20:01" (1/3) ... [2021-10-11 00:20:02,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eaeca45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:02, skipping insertion in model container [2021-10-11 00:20:02,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:02" (2/3) ... [2021-10-11 00:20:02,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eaeca45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:02, skipping insertion in model container [2021-10-11 00:20:02,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:02" (3/3) ... [2021-10-11 00:20:02,982 INFO L111 eAbstractionObserver]: Analyzing ICFG nan.i [2021-10-11 00:20:02,997 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:20:03,014 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-10-11 00:20:03,027 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-11 00:20:03,078 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:20:03,078 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:20:03,078 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:20:03,078 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:03,079 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:03,079 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:20:03,079 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:03,079 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:20:03,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2021-10-11 00:20:03,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 00:20:03,123 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:03,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 00:20:03,124 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:03,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:03,130 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-11 00:20:03,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:20:03,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102923829] [2021-10-11 00:20:03,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:20:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:03,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:20:03,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:03,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:03,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:20:03,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102923829] [2021-10-11 00:20:03,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:03,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:03,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174929478] [2021-10-11 00:20:03,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:03,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:20:03,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:03,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:03,440 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 3 states. [2021-10-11 00:20:03,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:03,473 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2021-10-11 00:20:03,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:03,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2021-10-11 00:20:03,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:03,481 INFO L225 Difference]: With dead ends: 17 [2021-10-11 00:20:03,482 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:20:03,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:03,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:20:03,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:20:03,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:20:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:20:03,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-11 00:20:03,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:03,511 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:03,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:03,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:20:03,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:20:03,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 00:20:03,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:20:03,773 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:20:03,773 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2021-10-11 00:20:03,774 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:20:03,774 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:20:03,774 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:20:03,774 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2021-10-11 00:20:03,774 INFO L262 CegarLoopResult]: For program point L1011(line 1011) no Hoare annotation was computed. [2021-10-11 00:20:03,774 INFO L262 CegarLoopResult]: For program point L1011-1(line 1011) no Hoare annotation was computed. [2021-10-11 00:20:03,775 INFO L258 CegarLoopResult]: At program point L1011-3(line 1011) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2021-10-11 00:20:03,775 INFO L262 CegarLoopResult]: For program point L1011-4(line 1011) no Hoare annotation was computed. [2021-10-11 00:20:03,775 INFO L262 CegarLoopResult]: For program point L1011-5(line 1011) no Hoare annotation was computed. [2021-10-11 00:20:03,775 INFO L258 CegarLoopResult]: At program point L1011-7(lines 1 1022) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2021-10-11 00:20:03,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:20:03 BoogieIcfgContainer [2021-10-11 00:20:03,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:20:03,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:03,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:03,796 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:03,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:02" (3/4) ... [2021-10-11 00:20:03,800 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:20:03,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-11 00:20:03,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:20:03,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:20:03,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:03,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:03,849 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_953dfc65-ad33-45ce-9140-cfbb7b2c03a4/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:20:03,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:03,852 INFO L168 Benchmark]: Toolchain (without parser) took 2553.10 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 35.9 MB in the beginning and 45.1 MB in the end (delta: -9.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:03,852 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory was 39.8 MB in the beginning and 39.7 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:03,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1200.89 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 35.7 MB in the beginning and 58.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:03,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.07 ms. Allocated memory is still 79.7 MB. Free memory was 58.3 MB in the beginning and 55.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:03,855 INFO L168 Benchmark]: Boogie Preprocessor took 53.85 ms. Allocated memory is still 79.7 MB. Free memory was 55.7 MB in the beginning and 54.7 MB in the end (delta: 949.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:03,856 INFO L168 Benchmark]: RCFGBuilder took 335.22 ms. Allocated memory is still 79.7 MB. Free memory was 54.2 MB in the beginning and 41.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:03,856 INFO L168 Benchmark]: TraceAbstraction took 816.57 ms. Allocated memory is still 79.7 MB. Free memory was 41.6 MB in the beginning and 47.2 MB in the end (delta: -5.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:03,857 INFO L168 Benchmark]: Witness Printer took 54.46 ms. Allocated memory is still 79.7 MB. Free memory was 47.2 MB in the beginning and 45.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:03,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory was 39.8 MB in the beginning and 39.7 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1200.89 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 35.7 MB in the beginning and 58.3 MB in the end (delta: -22.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.07 ms. Allocated memory is still 79.7 MB. Free memory was 58.3 MB in the beginning and 55.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.85 ms. Allocated memory is still 79.7 MB. Free memory was 55.7 MB in the beginning and 54.7 MB in the end (delta: 949.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 335.22 ms. Allocated memory is still 79.7 MB. Free memory was 54.2 MB in the beginning and 41.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 816.57 ms. Allocated memory is still 79.7 MB. Free memory was 41.6 MB in the beginning and 47.2 MB in the end (delta: -5.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 54.46 ms. Allocated memory is still 79.7 MB. Free memory was 47.2 MB in the beginning and 45.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1011]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1011]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 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: 5 SDtfs, 4 SDslu, 1 SDs, 0 SdLazy, 2 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 3 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...