./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD --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 ee999ed96c2e11e8c79c8e801efba28c5e284ad7a680c54e25629f5d115980a9 ....................................................................................................................................................................... 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_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD --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 ee999ed96c2e11e8c79c8e801efba28c5e284ad7a680c54e25629f5d115980a9 .............................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:22:31,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:22:31,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:22:31,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:22:31,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:22:31,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:22:31,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:22:31,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:22:31,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:22:31,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:22:31,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:22:31,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:22:31,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:22:31,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:22:31,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:22:31,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:22:31,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:22:31,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:22:31,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:22:31,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:22:31,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:22:31,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:22:31,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:22:31,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:22:31,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:22:31,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:22:31,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:22:31,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:22:31,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:22:31,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:22:31,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:22:31,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:22:31,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:22:31,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:22:31,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:22:31,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:22:31,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:22:31,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:22:31,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:22:31,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:22:31,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:22:31,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:22:31,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:22:31,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:22:31,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:22:31,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:22:31,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:22:31,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:22:31,754 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:22:31,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:22:31,754 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:22:31,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:22:31,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:22:31,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:22:31,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:22:31,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:22:31,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:22:31,756 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:22:31,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:22:31,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:22:31,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:22:31,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:22:31,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:22:31,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:22:31,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:22:31,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:22:31,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:22:31,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:22:31,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:22:31,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:22:31,759 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:22:31,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:22:31,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:22:31,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:22:31,760 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_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee999ed96c2e11e8c79c8e801efba28c5e284ad7a680c54e25629f5d115980a9 [2021-10-28 23:22:32,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:22:32,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:22:32,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:22:32,090 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:22:32,091 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:22:32,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/floats-cbmc-regression/float14.i [2021-10-28 23:22:32,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/data/e4bffe343/7b533c66810b4b3fb078940c08e4a278/FLAGf478b1f4e [2021-10-28 23:22:32,782 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:22:32,782 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/sv-benchmarks/c/floats-cbmc-regression/float14.i [2021-10-28 23:22:32,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/data/e4bffe343/7b533c66810b4b3fb078940c08e4a278/FLAGf478b1f4e [2021-10-28 23:22:33,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/data/e4bffe343/7b533c66810b4b3fb078940c08e4a278 [2021-10-28 23:22:33,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:22:33,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:22:33,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:22:33,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:22:33,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:22:33,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:22:33" (1/1) ... [2021-10-28 23:22:33,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fcb412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:33, skipping insertion in model container [2021-10-28 23:22:33,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:22:33" (1/1) ... [2021-10-28 23:22:33,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:22:33,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:22:33,883 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: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1694) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2355) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2355) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2355) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1582) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1436) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-28 23:22:33,896 INFO L168 Benchmark]: Toolchain (without parser) took 871.70 ms. Allocated memory is still 102.8 MB. Free memory was 57.7 MB in the beginning and 76.8 MB in the end (delta: -19.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:33,898 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:22:33,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 868.49 ms. Allocated memory is still 102.8 MB. Free memory was 57.5 MB in the beginning and 76.8 MB in the end (delta: -19.3 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:33,903 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 868.49 ms. Allocated memory is still 102.8 MB. Free memory was 57.5 MB in the beginning and 76.8 MB in the end (delta: -19.3 MB). Peak memory consumption was 6.7 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: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:22:36,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:22:36,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:22:36,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:22:36,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:22:36,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:22:36,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:22:36,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:22:36,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:22:36,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:22:36,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:22:36,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:22:36,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:22:36,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:22:36,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:22:36,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:22:36,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:22:36,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:22:36,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:22:36,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:22:36,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:22:36,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:22:36,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:22:36,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:22:36,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:22:36,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:22:36,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:22:36,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:22:36,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:22:36,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:22:36,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:22:36,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:22:36,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:22:36,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:22:36,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:22:36,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:22:36,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:22:36,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:22:36,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:22:36,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:22:36,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:22:36,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 23:22:36,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:22:36,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:22:36,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:22:36,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:22:36,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:22:36,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:22:36,576 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:22:36,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:22:36,576 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:22:36,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:22:36,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:22:36,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:22:36,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:22:36,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:22:36,578 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:22:36,578 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:22:36,579 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:22:36,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:22:36,579 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:22:36,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:22:36,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:22:36,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:22:36,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:22:36,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:22:36,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:22:36,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:22:36,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:22:36,582 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:22:36,582 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:22:36,583 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:22:36,583 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:22:36,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:22:36,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:22:36,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:22:36,584 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_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee999ed96c2e11e8c79c8e801efba28c5e284ad7a680c54e25629f5d115980a9 [2021-10-28 23:22:36,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:22:37,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:22:37,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:22:37,028 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:22:37,029 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:22:37,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/floats-cbmc-regression/float14.i [2021-10-28 23:22:37,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/data/e5da1f366/d2d57a9141ed437493ac74b6e650c517/FLAG1b0b11cdb [2021-10-28 23:22:37,779 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:22:37,780 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/sv-benchmarks/c/floats-cbmc-regression/float14.i [2021-10-28 23:22:37,803 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/data/e5da1f366/d2d57a9141ed437493ac74b6e650c517/FLAG1b0b11cdb [2021-10-28 23:22:38,012 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/data/e5da1f366/d2d57a9141ed437493ac74b6e650c517 [2021-10-28 23:22:38,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:22:38,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:22:38,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:22:38,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:22:38,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:22:38,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:38,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4d98a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38, skipping insertion in model container [2021-10-28 23:22:38,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:38,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:22:38,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:22:38,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/sv-benchmarks/c/floats-cbmc-regression/float14.i[40812,40825] [2021-10-28 23:22:38,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/sv-benchmarks/c/floats-cbmc-regression/float14.i[40998,41011] [2021-10-28 23:22:38,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:22:38,702 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:22:38,748 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/sv-benchmarks/c/floats-cbmc-regression/float14.i[40812,40825] [2021-10-28 23:22:38,750 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/sv-benchmarks/c/floats-cbmc-regression/float14.i[40998,41011] [2021-10-28 23:22:38,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:22:38,963 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:22:38,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38 WrapperNode [2021-10-28 23:22:38,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:22:38,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:22:38,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:22:38,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:22:38,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:39,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:39,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:22:39,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:22:39,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:22:39,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:22:39,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:39,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:39,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:39,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:39,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:39,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:39,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:39,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:22:39,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:22:39,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:22:39,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:22:39,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38" (1/1) ... [2021-10-28 23:22:39,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:22:39,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:22:39,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:22:39,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:22:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 23:22:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:22:39,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:22:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:22:39,517 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:22:39,517 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 23:22:39,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:22:39 BoogieIcfgContainer [2021-10-28 23:22:39,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:22:39,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:22:39,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:22:39,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:22:39,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:22:38" (1/3) ... [2021-10-28 23:22:39,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777c67dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:22:39, skipping insertion in model container [2021-10-28 23:22:39,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:22:38" (2/3) ... [2021-10-28 23:22:39,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777c67dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:22:39, skipping insertion in model container [2021-10-28 23:22:39,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:22:39" (3/3) ... [2021-10-28 23:22:39,528 INFO L111 eAbstractionObserver]: Analyzing ICFG float14.i [2021-10-28 23:22:39,550 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:22:39,551 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-28 23:22:39,616 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:22:39,622 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:22:39,622 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-28 23:22:39,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:22:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 23:22:39,641 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:22:39,641 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 23:22:39,642 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:22:39,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:22:39,649 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-10-28 23:22:39,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:22:39,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541715354] [2021-10-28 23:22:39,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:22:39,666 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:22:39,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:22:39,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:22:39,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:22:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:22:39,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:22:39,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:22:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:22:39,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 23:22:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:22:40,265 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 23:22:40,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541715354] [2021-10-28 23:22:40,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541715354] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 23:22:40,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:22:40,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-28 23:22:40,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414301756] [2021-10-28 23:22:40,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:22:40,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 23:22:40,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:22:40,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:22:40,300 INFO L87 Difference]: Start difference. First operand has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:22:40,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:22:40,396 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2021-10-28 23:22:40,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:22:40,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-28 23:22:40,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:22:40,402 INFO L225 Difference]: With dead ends: 17 [2021-10-28 23:22:40,403 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:22:40,405 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:22:40,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:22:40,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:22:40,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:22:40,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:22:40,428 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-28 23:22:40,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:22:40,429 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:22:40,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:22:40,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:22:40,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:22:40,432 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:22:40,432 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:22:40,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:22:40,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:22:40,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:22:40,651 INFO L857 garLoopResultBuilder]: For program point L961(lines 961 974) no Hoare annotation was computed. [2021-10-28 23:22:40,651 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:22:40,651 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:22:40,651 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:22:40,652 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:22:40,652 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 973) no Hoare annotation was computed. [2021-10-28 23:22:40,652 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 966) no Hoare annotation was computed. [2021-10-28 23:22:40,652 INFO L857 garLoopResultBuilder]: For program point L973(line 973) no Hoare annotation was computed. [2021-10-28 23:22:40,660 INFO L857 garLoopResultBuilder]: For program point L973-1(line 973) no Hoare annotation was computed. [2021-10-28 23:22:40,661 INFO L857 garLoopResultBuilder]: For program point L966(line 966) no Hoare annotation was computed. [2021-10-28 23:22:40,661 INFO L857 garLoopResultBuilder]: For program point L966-1(line 966) no Hoare annotation was computed. [2021-10-28 23:22:40,661 INFO L857 garLoopResultBuilder]: For program point L966-3(line 966) no Hoare annotation was computed. [2021-10-28 23:22:40,665 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 23:22:40,667 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:22:40,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:22:40 BoogieIcfgContainer [2021-10-28 23:22:40,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:22:40,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:22:40,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:22:40,672 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:22:40,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:22:39" (3/4) ... [2021-10-28 23:22:40,676 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:22:40,687 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-28 23:22:40,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:22:40,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:22:40,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:22:40,725 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:22:40,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:22:40,727 INFO L168 Benchmark]: Toolchain (without parser) took 2710.15 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 38.8 MB in the beginning and 53.8 MB in the end (delta: -15.0 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:40,727 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:22:40,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 948.28 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 38.5 MB in the beginning and 46.9 MB in the end (delta: -8.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:40,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.15 ms. Allocated memory is still 77.6 MB. Free memory was 46.9 MB in the beginning and 44.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:40,729 INFO L168 Benchmark]: Boogie Preprocessor took 51.89 ms. Allocated memory is still 77.6 MB. Free memory was 44.6 MB in the beginning and 43.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:40,730 INFO L168 Benchmark]: RCFGBuilder took 416.54 ms. Allocated memory is still 77.6 MB. Free memory was 43.3 MB in the beginning and 54.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:40,731 INFO L168 Benchmark]: TraceAbstraction took 1149.04 ms. Allocated memory is still 77.6 MB. Free memory was 54.0 MB in the beginning and 55.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:40,731 INFO L168 Benchmark]: Witness Printer took 53.61 ms. Allocated memory is still 77.6 MB. Free memory was 55.9 MB in the beginning and 53.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:22:40,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 948.28 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 38.5 MB in the beginning and 46.9 MB in the end (delta: -8.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.15 ms. Allocated memory is still 77.6 MB. Free memory was 46.9 MB in the beginning and 44.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.89 ms. Allocated memory is still 77.6 MB. Free memory was 44.6 MB in the beginning and 43.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 416.54 ms. Allocated memory is still 77.6 MB. Free memory was 43.3 MB in the beginning and 54.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1149.04 ms. Allocated memory is still 77.6 MB. Free memory was 54.0 MB in the beginning and 55.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. * Witness Printer took 53.61 ms. Allocated memory is still 77.6 MB. Free memory was 55.9 MB in the beginning and 53.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 966]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 973]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 22 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 2 NumberOfNonLiveVariables, 21 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-28 23:22:40,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3316e8b8-e1a9-4d93-b98c-2b05d052b87a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...