./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN --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 64bit --witnessprinter.graph.data.programhash 4563fb48b218cac09962388194a4fe7badc3233d57fadb64f098099e939ebf4f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:34:03,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:34:03,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:34:03,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:34:03,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:34:03,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:34:03,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:34:03,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:34:03,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:34:03,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:34:03,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:34:03,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:34:03,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:34:03,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:34:03,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:34:03,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:34:03,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:34:03,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:34:03,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:34:03,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:34:03,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:34:03,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:34:03,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:34:03,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:34:03,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:34:03,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:34:03,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:34:03,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:34:03,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:34:03,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:34:03,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:34:03,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:34:03,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:34:03,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:34:03,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:34:03,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:34:03,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:34:03,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:34:03,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:34:03,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:34:03,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:34:03,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:34:03,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:34:03,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:34:03,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:34:03,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:34:03,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:34:03,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:34:03,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:34:03,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:34:03,954 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:34:03,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:34:03,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:34:03,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:34:03,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:34:03,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:34:03,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:34:03,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:34:03,957 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:34:03,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:34:03,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:34:03,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:34:03,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:34:03,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:34:03,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:34:03,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:34:03,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:34:03,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:34:03,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:34:03,960 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:34:03,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:34:03,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:34:03,961 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4563fb48b218cac09962388194a4fe7badc3233d57fadb64f098099e939ebf4f [2022-11-20 10:34:04,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:34:04,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:34:04,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:34:04,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:34:04,319 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:34:04,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i [2022-11-20 10:34:07,425 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:34:08,278 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:34:08,278 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i [2022-11-20 10:34:08,348 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/data/103674e69/71cbf0eac6b84e9f8557eeb233e3d23c/FLAG6475ba7e8 [2022-11-20 10:34:08,363 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/data/103674e69/71cbf0eac6b84e9f8557eeb233e3d23c [2022-11-20 10:34:08,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:34:08,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:34:08,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:34:08,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:34:08,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:34:08,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:08" (1/1) ... [2022-11-20 10:34:08,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eccacfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:08, skipping insertion in model container [2022-11-20 10:34:08,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:08" (1/1) ... [2022-11-20 10:34:08,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:34:08,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:34:09,623 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) 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:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) 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:232) 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:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) 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:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-11-20 10:34:09,633 INFO L158 Benchmark]: Toolchain (without parser) took 1263.05ms. Allocated memory is still 178.3MB. Free memory was 129.7MB in the beginning and 97.2MB in the end (delta: 32.5MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2022-11-20 10:34:09,633 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:34:09,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1258.89ms. Allocated memory is still 178.3MB. Free memory was 128.8MB in the beginning and 97.2MB in the end (delta: 31.6MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2022-11-20 10:34:09,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1258.89ms. Allocated memory is still 178.3MB. Free memory was 128.8MB in the beginning and 97.2MB in the end (delta: 31.6MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN --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 64bit --witnessprinter.graph.data.programhash 4563fb48b218cac09962388194a4fe7badc3233d57fadb64f098099e939ebf4f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:34:11,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:34:11,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:34:11,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:34:11,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:34:11,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:34:11,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:34:11,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:34:11,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:34:11,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:34:11,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:34:11,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:34:11,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:34:11,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:34:11,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:34:11,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:34:11,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:34:11,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:34:11,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:34:11,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:34:11,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:34:11,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:34:11,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:34:11,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:34:11,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:34:11,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:34:11,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:34:11,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:34:11,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:34:11,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:34:11,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:34:11,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:34:11,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:34:11,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:34:11,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:34:11,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:34:11,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:34:11,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:34:11,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:34:11,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:34:11,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:34:11,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:34:11,912 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:34:11,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:34:11,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:34:11,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:34:11,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:34:11,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:34:11,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:34:11,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:34:11,918 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:34:11,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:34:11,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:34:11,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:34:11,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:34:11,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:34:11,921 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:34:11,921 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:34:11,921 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:34:11,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:34:11,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:34:11,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:34:11,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:34:11,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:34:11,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:34:11,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:34:11,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:34:11,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:34:11,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:34:11,923 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:34:11,924 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:34:11,924 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:34:11,924 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:34:11,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:34:11,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:34:11,925 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4563fb48b218cac09962388194a4fe7badc3233d57fadb64f098099e939ebf4f [2022-11-20 10:34:12,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:34:12,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:34:12,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:34:12,348 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:34:12,348 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:34:12,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i [2022-11-20 10:34:15,480 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:34:16,402 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:34:16,403 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i [2022-11-20 10:34:16,481 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/data/c14a03f5c/58b87faad1174465833876f5ff92864b/FLAG1871a2a79 [2022-11-20 10:34:16,508 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/data/c14a03f5c/58b87faad1174465833876f5ff92864b [2022-11-20 10:34:16,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:34:16,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:34:16,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:34:16,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:34:16,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:34:16,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:16" (1/1) ... [2022-11-20 10:34:16,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db58e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:16, skipping insertion in model container [2022-11-20 10:34:16,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:34:16" (1/1) ... [2022-11-20 10:34:16,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:34:16,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:34:20,500 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-20 10:34:22,620 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619822,619835] [2022-11-20 10:34:22,624 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619969,619982] [2022-11-20 10:34:22,624 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620108,620121] [2022-11-20 10:34:22,625 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620266,620279] [2022-11-20 10:34:22,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:34:22,728 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:34:22,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:34:23,483 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619822,619835] [2022-11-20 10:34:23,484 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619969,619982] [2022-11-20 10:34:23,485 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620108,620121] [2022-11-20 10:34:23,485 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620266,620279] [2022-11-20 10:34:23,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:34:23,572 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:34:24,448 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619822,619835] [2022-11-20 10:34:24,449 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[619969,619982] [2022-11-20 10:34:24,450 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620108,620121] [2022-11-20 10:34:24,450 WARN L237 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_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i[620266,620279] [2022-11-20 10:34:24,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:34:24,794 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:34:24,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24 WrapperNode [2022-11-20 10:34:24,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:34:24,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:34:24,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:34:24,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:34:24,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:25,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:25,483 INFO L138 Inliner]: procedures = 660, calls = 6875, calls flagged for inlining = 340, calls inlined = 331, statements flattened = 13980 [2022-11-20 10:34:25,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:34:25,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:34:25,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:34:25,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:34:25,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:25,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:25,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:25,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:25,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:25,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:25,989 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:26,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:26,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:34:26,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:34:26,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:34:26,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:34:26,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (1/1) ... [2022-11-20 10:34:26,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:34:26,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:34:26,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:34:26,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:34:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-11-20 10:34:26,362 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-11-20 10:34:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-11-20 10:34:26,363 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-11-20 10:34:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-20 10:34:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-11-20 10:34:26,363 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-11-20 10:34:26,363 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-20 10:34:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-11-20 10:34:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-11-20 10:34:26,364 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-20 10:34:26,364 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-20 10:34:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-11-20 10:34:26,365 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-11-20 10:34:26,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:34:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:34:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-11-20 10:34:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-11-20 10:34:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 10:34:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 10:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:34:26,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-11-20 10:34:26,368 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-11-20 10:34:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-11-20 10:34:26,368 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-11-20 10:34:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-11-20 10:34:26,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-11-20 10:34:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-11-20 10:34:26,369 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-11-20 10:34:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-20 10:34:26,369 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-20 10:34:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-20 10:34:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-20 10:34:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 10:34:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 10:34:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-11-20 10:34:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-11-20 10:34:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-11-20 10:34:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-11-20 10:34:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-11-20 10:34:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-11-20 10:34:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 10:34:26,372 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 10:34:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-11-20 10:34:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-11-20 10:34:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-20 10:34:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-20 10:34:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-20 10:34:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-20 10:34:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-20 10:34:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-20 10:34:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-11-20 10:34:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-11-20 10:34:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 10:34:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-11-20 10:34:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-11-20 10:34:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 10:34:26,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 10:34:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 10:34:26,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 10:34:26,376 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-20 10:34:26,377 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-20 10:34:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-11-20 10:34:26,377 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-11-20 10:34:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-20 10:34:26,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-20 10:34:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 10:34:26,378 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 10:34:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:34:26,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:34:26,378 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-11-20 10:34:26,379 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-11-20 10:34:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:34:26,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:34:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-11-20 10:34:26,380 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-11-20 10:34:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:34:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 10:34:26,380 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 10:34:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-11-20 10:34:26,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-11-20 10:34:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-11-20 10:34:26,381 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-11-20 10:34:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:34:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:34:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-20 10:34:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-20 10:34:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:34:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-11-20 10:34:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-11-20 10:34:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:34:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 10:34:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 10:34:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 10:34:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 10:34:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 10:34:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 10:34:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-11-20 10:34:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-11-20 10:34:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-20 10:34:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-20 10:34:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-11-20 10:34:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-11-20 10:34:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 10:34:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 10:34:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-11-20 10:34:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-11-20 10:34:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 10:34:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 10:34:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-20 10:34:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-20 10:34:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 10:34:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 10:34:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-11-20 10:34:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-11-20 10:34:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 10:34:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 10:34:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-11-20 10:34:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-11-20 10:34:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-11-20 10:34:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-11-20 10:34:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-11-20 10:34:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-11-20 10:34:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:34:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:34:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 10:34:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 10:34:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-11-20 10:34:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-11-20 10:34:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-20 10:34:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-20 10:34:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-20 10:34:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-20 10:34:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 10:34:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 10:34:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-20 10:34:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-20 10:34:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 10:34:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 10:34:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 10:34:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 10:34:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 10:34:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 10:34:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-20 10:34:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-20 10:34:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-11-20 10:34:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-11-20 10:34:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-11-20 10:34:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-11-20 10:34:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:34:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 10:34:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 10:34:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 10:34:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 10:34:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 10:34:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 10:34:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-20 10:34:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-20 10:34:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-11-20 10:34:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-11-20 10:34:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:34:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 10:34:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 10:34:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 10:34:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 10:34:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:34:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-11-20 10:34:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-11-20 10:34:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 10:34:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:34:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-11-20 10:34:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-11-20 10:34:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 10:34:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-20 10:34:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-20 10:34:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:34:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:34:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:34:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 10:34:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 10:34:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-11-20 10:34:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-11-20 10:34:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-20 10:34:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-20 10:34:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-11-20 10:34:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-11-20 10:34:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:34:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:34:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-11-20 10:34:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-11-20 10:34:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 10:34:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 10:34:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 10:34:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 10:34:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-11-20 10:34:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-11-20 10:34:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-11-20 10:34:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-11-20 10:34:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 10:34:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 10:34:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:34:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-11-20 10:34:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-11-20 10:34:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:34:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:34:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-11-20 10:34:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-11-20 10:34:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 10:34:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 10:34:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-20 10:34:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-20 10:34:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-20 10:34:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-20 10:34:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-11-20 10:34:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-11-20 10:34:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:34:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-20 10:34:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-20 10:34:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 10:34:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 10:34:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-20 10:34:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-20 10:34:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:34:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-11-20 10:34:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-11-20 10:34:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-20 10:34:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-20 10:34:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:34:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:34:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:34:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:34:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:34:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:34:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-20 10:34:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-20 10:34:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 10:34:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 10:34:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-11-20 10:34:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-11-20 10:34:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-11-20 10:34:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-11-20 10:34:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-11-20 10:34:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-11-20 10:34:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-11-20 10:34:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-11-20 10:34:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-20 10:34:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-20 10:34:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-11-20 10:34:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-11-20 10:34:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:34:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:34:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-11-20 10:34:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-11-20 10:34:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 10:34:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 10:34:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2022-11-20 10:34:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_airo_cleanup_module_23_2 [2022-11-20 10:34:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-11-20 10:34:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-11-20 10:34:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-20 10:34:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-20 10:34:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-11-20 10:34:26,426 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-11-20 10:34:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 10:34:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 10:34:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 10:34:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 10:34:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:34:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 10:34:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 10:34:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-11-20 10:34:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-11-20 10:34:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-20 10:34:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-20 10:34:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:34:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-20 10:34:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-20 10:34:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-11-20 10:34:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-11-20 10:34:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-11-20 10:34:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-11-20 10:34:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 10:34:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 10:34:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-11-20 10:34:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-11-20 10:34:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:34:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:34:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:34:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:34:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:34:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 10:34:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 10:34:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-11-20 10:34:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-11-20 10:34:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-11-20 10:34:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-11-20 10:34:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 10:34:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 10:34:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 10:34:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 10:34:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 10:34:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 10:34:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-11-20 10:34:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-11-20 10:34:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 10:34:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 10:34:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 10:34:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 10:34:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-11-20 10:34:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-11-20 10:34:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-11-20 10:34:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-11-20 10:34:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 10:34:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 10:34:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-20 10:34:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-20 10:34:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-11-20 10:34:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-11-20 10:34:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-11-20 10:34:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-11-20 10:34:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 10:34:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 10:34:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-11-20 10:34:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-11-20 10:34:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-11-20 10:34:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-11-20 10:34:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 10:34:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 10:34:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 10:34:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 10:34:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-11-20 10:34:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-11-20 10:34:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-11-20 10:34:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-11-20 10:34:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-11-20 10:34:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-11-20 10:34:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 10:34:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 10:34:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-20 10:34:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-20 10:34:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:34:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:34:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-20 10:34:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-20 10:34:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-20 10:34:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-20 10:34:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-11-20 10:34:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-11-20 10:34:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-11-20 10:34:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-11-20 10:34:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:34:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 10:34:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:34:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:34:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-11-20 10:34:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-11-20 10:34:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-20 10:34:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-20 10:34:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-20 10:34:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-20 10:34:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:34:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:34:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-11-20 10:34:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-11-20 10:34:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-20 10:34:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-20 10:34:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-11-20 10:34:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-11-20 10:34:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 10:34:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 10:34:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-20 10:34:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-20 10:34:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-11-20 10:34:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-11-20 10:34:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 10:34:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 10:34:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-20 10:34:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-20 10:34:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 10:34:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 10:34:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-11-20 10:34:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-11-20 10:34:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-11-20 10:34:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-11-20 10:34:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 10:34:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 10:34:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-11-20 10:34:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-11-20 10:34:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-11-20 10:34:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-11-20 10:34:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-11-20 10:34:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-11-20 10:34:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-20 10:34:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-20 10:34:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-11-20 10:34:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-11-20 10:34:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-20 10:34:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-20 10:34:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-20 10:34:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-20 10:34:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-11-20 10:34:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-11-20 10:34:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 10:34:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 10:34:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-11-20 10:34:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-11-20 10:34:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-20 10:34:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-20 10:34:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-11-20 10:34:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-11-20 10:34:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-11-20 10:34:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-11-20 10:34:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-11-20 10:34:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-11-20 10:34:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-11-20 10:34:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-11-20 10:34:28,299 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:34:28,306 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:34:30,817 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:37:25,840 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 10:37:27,776 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:37:27,897 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:37:27,897 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 10:37:27,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:37:27 BoogieIcfgContainer [2022-11-20 10:37:27,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:37:27,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:37:27,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:37:27,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:37:27,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:34:16" (1/3) ... [2022-11-20 10:37:27,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dfd8c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:37:27, skipping insertion in model container [2022-11-20 10:37:27,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:34:24" (2/3) ... [2022-11-20 10:37:27,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dfd8c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:37:27, skipping insertion in model container [2022-11-20 10:37:27,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:37:27" (3/3) ... [2022-11-20 10:37:27,921 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-wireless-airo.cil.i [2022-11-20 10:37:27,940 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:37:27,941 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 10:37:28,095 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:37:28,103 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38b43011, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:37:28,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 10:37:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 4813 states, 3226 states have (on average 1.3248605083694978) internal successors, (4274), 3341 states have internal predecessors, (4274), 1396 states have call successors, (1396), 191 states have call predecessors, (1396), 190 states have return successors, (1389), 1342 states have call predecessors, (1389), 1389 states have call successors, (1389) [2022-11-20 10:37:28,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2022-11-20 10:37:28,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:28,188 INFO L195 NwaCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:28,189 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:28,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:28,196 INFO L85 PathProgramCache]: Analyzing trace with hash 663847764, now seen corresponding path program 1 times [2022-11-20 10:37:28,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:37:28,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101148029] [2022-11-20 10:37:28,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:28,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:37:28,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:37:28,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:37:28,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:37:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:33,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 4709 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:37:33,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:37:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 15399 trivial. 0 not checked. [2022-11-20 10:37:34,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:37:34,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:37:34,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101148029] [2022-11-20 10:37:34,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101148029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:34,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:34,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:37:34,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918060584] [2022-11-20 10:37:34,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:34,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:34,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:37:34,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:34,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:34,714 INFO L87 Difference]: Start difference. First operand has 4813 states, 3226 states have (on average 1.3248605083694978) internal successors, (4274), 3341 states have internal predecessors, (4274), 1396 states have call successors, (1396), 191 states have call predecessors, (1396), 190 states have return successors, (1389), 1342 states have call predecessors, (1389), 1389 states have call successors, (1389) Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-20 10:37:37,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:37,145 INFO L93 Difference]: Finished difference Result 14002 states and 20964 transitions. [2022-11-20 10:37:37,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:37,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 680 [2022-11-20 10:37:37,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:37,260 INFO L225 Difference]: With dead ends: 14002 [2022-11-20 10:37:37,260 INFO L226 Difference]: Without dead ends: 9300 [2022-11-20 10:37:37,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:37,329 INFO L413 NwaCegarLoop]: 8323 mSDtfsCounter, 6712 mSDsluCounter, 6888 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6712 SdHoareTripleChecker+Valid, 15211 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:37,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6712 Valid, 15211 Invalid, 54 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 10:37:37,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9300 states. [2022-11-20 10:37:38,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9300 to 9298. [2022-11-20 10:37:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9298 states, 6245 states have (on average 1.3240992794235389) internal successors, (8269), 6476 states have internal predecessors, (8269), 2676 states have call successors, (2676), 376 states have call predecessors, (2676), 375 states have return successors, (2673), 2579 states have call predecessors, (2673), 2673 states have call successors, (2673) [2022-11-20 10:37:38,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9298 states to 9298 states and 13618 transitions. [2022-11-20 10:37:38,191 INFO L78 Accepts]: Start accepts. Automaton has 9298 states and 13618 transitions. Word has length 680 [2022-11-20 10:37:38,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:38,195 INFO L495 AbstractCegarLoop]: Abstraction has 9298 states and 13618 transitions. [2022-11-20 10:37:38,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-20 10:37:38,196 INFO L276 IsEmpty]: Start isEmpty. Operand 9298 states and 13618 transitions. [2022-11-20 10:37:38,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2022-11-20 10:37:38,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:38,232 INFO L195 NwaCegarLoop]: trace histogram [60, 60, 59, 59, 59, 59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:38,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:37:38,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:37:38,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:38,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1870124868, now seen corresponding path program 1 times [2022-11-20 10:37:38,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:37:38,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22036954] [2022-11-20 10:37:38,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:38,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:37:38,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:37:38,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:37:38,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:37:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:44,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 4760 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:37:44,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:37:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 15399 trivial. 0 not checked. [2022-11-20 10:37:45,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:37:45,351 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:37:45,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22036954] [2022-11-20 10:37:45,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22036954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:45,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:45,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:37:45,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660656161] [2022-11-20 10:37:45,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:45,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:45,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:37:45,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:45,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:45,356 INFO L87 Difference]: Start difference. First operand 9298 states and 13618 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-20 10:37:48,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:48,504 INFO L93 Difference]: Finished difference Result 22790 states and 33259 transitions. [2022-11-20 10:37:48,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:48,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 701 [2022-11-20 10:37:48,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:48,623 INFO L225 Difference]: With dead ends: 22790 [2022-11-20 10:37:48,623 INFO L226 Difference]: Without dead ends: 13615 [2022-11-20 10:37:48,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:48,691 INFO L413 NwaCegarLoop]: 8252 mSDtfsCounter, 5990 mSDsluCounter, 6935 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5990 SdHoareTripleChecker+Valid, 15187 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:48,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5990 Valid, 15187 Invalid, 86 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-20 10:37:48,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13615 states. [2022-11-20 10:37:49,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13615 to 13608. [2022-11-20 10:37:49,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13608 states, 9164 states have (on average 1.3219118288956788) internal successors, (12114), 9500 states have internal predecessors, (12114), 3837 states have call successors, (3837), 607 states have call predecessors, (3837), 605 states have return successors, (3834), 3713 states have call predecessors, (3834), 3834 states have call successors, (3834) [2022-11-20 10:37:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13608 states to 13608 states and 19785 transitions. [2022-11-20 10:37:49,716 INFO L78 Accepts]: Start accepts. Automaton has 13608 states and 19785 transitions. Word has length 701 [2022-11-20 10:37:49,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:49,719 INFO L495 AbstractCegarLoop]: Abstraction has 13608 states and 19785 transitions. [2022-11-20 10:37:49,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-20 10:37:49,719 INFO L276 IsEmpty]: Start isEmpty. Operand 13608 states and 19785 transitions. [2022-11-20 10:37:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2022-11-20 10:37:49,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:49,765 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:49,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:37:49,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:37:49,987 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:49,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:49,987 INFO L85 PathProgramCache]: Analyzing trace with hash -962015772, now seen corresponding path program 1 times [2022-11-20 10:37:49,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:37:50,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797692255] [2022-11-20 10:37:50,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:50,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:37:50,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:37:50,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:37:50,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:37:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:56,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 5291 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:37:56,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:37:57,371 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 15637 trivial. 0 not checked. [2022-11-20 10:37:57,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:37:57,372 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:37:57,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797692255] [2022-11-20 10:37:57,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797692255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:57,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:57,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:37:57,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511118202] [2022-11-20 10:37:57,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:57,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:37:57,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:37:57,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:37:57,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:37:57,376 INFO L87 Difference]: Start difference. First operand 13608 states and 19785 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-20 10:37:59,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:38:01,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:38:06,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:38:08,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:38:09,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:09,707 INFO L93 Difference]: Finished difference Result 31129 states and 45850 transitions. [2022-11-20 10:38:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:38:09,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 785 [2022-11-20 10:38:09,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:09,844 INFO L225 Difference]: With dead ends: 31129 [2022-11-20 10:38:09,845 INFO L226 Difference]: Without dead ends: 20340 [2022-11-20 10:38:09,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 788 GetRequests, 783 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:38:09,902 INFO L413 NwaCegarLoop]: 11044 mSDtfsCounter, 6305 mSDsluCounter, 27432 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1724 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6878 SdHoareTripleChecker+Valid, 38476 SdHoareTripleChecker+Invalid, 1741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1724 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:09,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6878 Valid, 38476 Invalid, 1741 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1724 Valid, 13 Invalid, 4 Unknown, 0 Unchecked, 10.6s Time] [2022-11-20 10:38:09,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20340 states. [2022-11-20 10:38:10,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20340 to 13614. [2022-11-20 10:38:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13614 states, 9170 states have (on average 1.321701199563795) internal successors, (12120), 9506 states have internal predecessors, (12120), 3837 states have call successors, (3837), 607 states have call predecessors, (3837), 605 states have return successors, (3834), 3713 states have call predecessors, (3834), 3834 states have call successors, (3834) [2022-11-20 10:38:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13614 states to 13614 states and 19791 transitions. [2022-11-20 10:38:11,057 INFO L78 Accepts]: Start accepts. Automaton has 13614 states and 19791 transitions. Word has length 785 [2022-11-20 10:38:11,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:11,060 INFO L495 AbstractCegarLoop]: Abstraction has 13614 states and 19791 transitions. [2022-11-20 10:38:11,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-20 10:38:11,060 INFO L276 IsEmpty]: Start isEmpty. Operand 13614 states and 19791 transitions. [2022-11-20 10:38:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2022-11-20 10:38:11,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:11,106 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:11,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:11,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:11,327 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:38:11,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:11,327 INFO L85 PathProgramCache]: Analyzing trace with hash -977534490, now seen corresponding path program 1 times [2022-11-20 10:38:11,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:38:11,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074316727] [2022-11-20 10:38:11,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:11,334 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:11,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:38:11,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:38:11,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:38:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 5291 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:38:17,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 15830 trivial. 0 not checked. [2022-11-20 10:38:18,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:18,542 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:38:18,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074316727] [2022-11-20 10:38:18,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074316727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:18,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:18,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:18,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073874614] [2022-11-20 10:38:18,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:18,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:18,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:38:18,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:18,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:18,549 INFO L87 Difference]: Start difference. First operand 13614 states and 19791 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (75), 3 states have call predecessors, (75), 3 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2022-11-20 10:38:20,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:20,889 INFO L93 Difference]: Finished difference Result 32309 states and 46976 transitions. [2022-11-20 10:38:20,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:20,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (75), 3 states have call predecessors, (75), 3 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) Word has length 785 [2022-11-20 10:38:20,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:21,028 INFO L225 Difference]: With dead ends: 32309 [2022-11-20 10:38:21,028 INFO L226 Difference]: Without dead ends: 21514 [2022-11-20 10:38:21,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 783 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:21,096 INFO L413 NwaCegarLoop]: 12864 mSDtfsCounter, 6603 mSDsluCounter, 6963 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6603 SdHoareTripleChecker+Valid, 19827 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:21,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6603 Valid, 19827 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 10:38:21,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21514 states. [2022-11-20 10:38:22,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21514 to 21512. [2022-11-20 10:38:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21512 states, 14510 states have (on average 1.3270158511371468) internal successors, (19255), 15043 states have internal predecessors, (19255), 6075 states have call successors, (6075), 927 states have call predecessors, (6075), 925 states have return successors, (6072), 5871 states have call predecessors, (6072), 6072 states have call successors, (6072) [2022-11-20 10:38:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21512 states to 21512 states and 31402 transitions. [2022-11-20 10:38:22,785 INFO L78 Accepts]: Start accepts. Automaton has 21512 states and 31402 transitions. Word has length 785 [2022-11-20 10:38:22,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:22,787 INFO L495 AbstractCegarLoop]: Abstraction has 21512 states and 31402 transitions. [2022-11-20 10:38:22,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (75), 3 states have call predecessors, (75), 3 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2022-11-20 10:38:22,787 INFO L276 IsEmpty]: Start isEmpty. Operand 21512 states and 31402 transitions. [2022-11-20 10:38:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2022-11-20 10:38:22,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:22,819 INFO L195 NwaCegarLoop]: trace histogram [62, 62, 59, 59, 59, 59, 59, 59, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:22,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:23,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:23,043 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:38:23,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:23,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1487007580, now seen corresponding path program 1 times [2022-11-20 10:38:23,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:38:23,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203878891] [2022-11-20 10:38:23,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:23,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:23,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:38:23,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:38:23,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 10:38:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:29,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 5291 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:38:29,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:58,125 INFO L134 CoverageAnalysis]: Checked inductivity of 16051 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16051 trivial. 0 not checked. [2022-11-20 10:38:58,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:58,126 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:38:58,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203878891] [2022-11-20 10:38:58,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203878891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:58,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:58,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:38:58,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456689631] [2022-11-20 10:38:58,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:58,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:38:58,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:38:58,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:38:58,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:58,129 INFO L87 Difference]: Start difference. First operand 21512 states and 31402 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2022-11-20 10:38:59,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:59,985 INFO L93 Difference]: Finished difference Result 21512 states and 31402 transitions. [2022-11-20 10:38:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:38:59,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 785 [2022-11-20 10:38:59,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:00,098 INFO L225 Difference]: With dead ends: 21512 [2022-11-20 10:39:00,098 INFO L226 Difference]: Without dead ends: 21272 [2022-11-20 10:39:00,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 782 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:39:00,115 INFO L413 NwaCegarLoop]: 6998 mSDtfsCounter, 6734 mSDsluCounter, 6998 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6734 SdHoareTripleChecker+Valid, 13996 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:00,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6734 Valid, 13996 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 10:39:00,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21272 states. [2022-11-20 10:39:01,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21272 to 21272. [2022-11-20 10:39:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21272 states, 14366 states have (on average 1.3284143115689824) internal successors, (19084), 14889 states have internal predecessors, (19084), 6001 states have call successors, (6001), 904 states have call predecessors, (6001), 904 states have return successors, (6001), 5804 states have call predecessors, (6001), 6001 states have call successors, (6001) [2022-11-20 10:39:01,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21272 states to 21272 states and 31086 transitions. [2022-11-20 10:39:01,783 INFO L78 Accepts]: Start accepts. Automaton has 21272 states and 31086 transitions. Word has length 785 [2022-11-20 10:39:01,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:01,784 INFO L495 AbstractCegarLoop]: Abstraction has 21272 states and 31086 transitions. [2022-11-20 10:39:01,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 1 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2022-11-20 10:39:01,785 INFO L276 IsEmpty]: Start isEmpty. Operand 21272 states and 31086 transitions. [2022-11-20 10:39:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2022-11-20 10:39:01,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:01,882 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 60, 60, 60, 60, 60, 60, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:01,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:02,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:02,099 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:39:02,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:02,099 INFO L85 PathProgramCache]: Analyzing trace with hash -415037887, now seen corresponding path program 1 times [2022-11-20 10:39:02,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:39:02,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825913558] [2022-11-20 10:39:02,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:02,105 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:02,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:39:02,106 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:39:02,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 10:39:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:09,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 5744 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:39:09,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 16832 backedges. 1157 proven. 0 refuted. 0 times theorem prover too weak. 15675 trivial. 0 not checked. [2022-11-20 10:39:09,856 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:09,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:39:09,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825913558] [2022-11-20 10:39:09,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1825913558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:09,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:09,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:39:09,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806976237] [2022-11-20 10:39:09,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:09,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:39:09,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:39:09,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:39:09,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:39:09,860 INFO L87 Difference]: Start difference. First operand 21272 states and 31086 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-20 10:39:11,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:12,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:12,243 INFO L93 Difference]: Finished difference Result 46139 states and 67977 transitions. [2022-11-20 10:39:12,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:39:12,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 869 [2022-11-20 10:39:12,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:12,488 INFO L225 Difference]: With dead ends: 46139 [2022-11-20 10:39:12,488 INFO L226 Difference]: Without dead ends: 27686 [2022-11-20 10:39:12,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 868 GetRequests, 867 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:39:12,578 INFO L413 NwaCegarLoop]: 9748 mSDtfsCounter, 1693 mSDsluCounter, 7511 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 17259 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:12,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 17259 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 10:39:12,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27686 states. [2022-11-20 10:39:14,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27686 to 21274. [2022-11-20 10:39:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21274 states, 14368 states have (on average 1.3283685968819599) internal successors, (19086), 14891 states have internal predecessors, (19086), 6001 states have call successors, (6001), 904 states have call predecessors, (6001), 904 states have return successors, (6001), 5804 states have call predecessors, (6001), 6001 states have call successors, (6001) [2022-11-20 10:39:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21274 states to 21274 states and 31088 transitions. [2022-11-20 10:39:14,445 INFO L78 Accepts]: Start accepts. Automaton has 21274 states and 31088 transitions. Word has length 869 [2022-11-20 10:39:14,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:14,446 INFO L495 AbstractCegarLoop]: Abstraction has 21274 states and 31088 transitions. [2022-11-20 10:39:14,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-20 10:39:14,447 INFO L276 IsEmpty]: Start isEmpty. Operand 21274 states and 31088 transitions. [2022-11-20 10:39:14,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2022-11-20 10:39:14,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:14,580 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 60, 60, 60, 60, 60, 60, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:14,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:14,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:14,803 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:39:14,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:14,804 INFO L85 PathProgramCache]: Analyzing trace with hash -360615683, now seen corresponding path program 1 times [2022-11-20 10:39:14,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:39:14,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896932162] [2022-11-20 10:39:14,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:14,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:14,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:39:14,813 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:39:14,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 10:39:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:22,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 5744 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:39:22,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 16832 backedges. 1157 proven. 0 refuted. 0 times theorem prover too weak. 15675 trivial. 0 not checked. [2022-11-20 10:39:23,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:23,208 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:39:23,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896932162] [2022-11-20 10:39:23,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896932162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:23,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:23,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:39:23,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607545279] [2022-11-20 10:39:23,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:23,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:39:23,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:39:23,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:39:23,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:39:23,212 INFO L87 Difference]: Start difference. First operand 21274 states and 31088 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-20 10:39:24,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:26,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:31,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:32,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:36,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:36,708 INFO L93 Difference]: Finished difference Result 59137 states and 88299 transitions. [2022-11-20 10:39:36,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:39:36,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 869 [2022-11-20 10:39:36,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:36,948 INFO L225 Difference]: With dead ends: 59137 [2022-11-20 10:39:36,948 INFO L226 Difference]: Without dead ends: 40682 [2022-11-20 10:39:37,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 867 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:39:37,058 INFO L413 NwaCegarLoop]: 12043 mSDtfsCounter, 9319 mSDsluCounter, 29987 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2823 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9885 SdHoareTripleChecker+Valid, 42030 SdHoareTripleChecker+Invalid, 2839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2823 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:37,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9885 Valid, 42030 Invalid, 2839 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2823 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-20 10:39:37,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40682 states. [2022-11-20 10:39:39,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40682 to 21280. [2022-11-20 10:39:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21280 states, 14374 states have (on average 1.3282315291498539) internal successors, (19092), 14897 states have internal predecessors, (19092), 6001 states have call successors, (6001), 904 states have call predecessors, (6001), 904 states have return successors, (6001), 5804 states have call predecessors, (6001), 6001 states have call successors, (6001) [2022-11-20 10:39:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21280 states to 21280 states and 31094 transitions. [2022-11-20 10:39:39,445 INFO L78 Accepts]: Start accepts. Automaton has 21280 states and 31094 transitions. Word has length 869 [2022-11-20 10:39:39,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:39,447 INFO L495 AbstractCegarLoop]: Abstraction has 21280 states and 31094 transitions. [2022-11-20 10:39:39,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-20 10:39:39,447 INFO L276 IsEmpty]: Start isEmpty. Operand 21280 states and 31094 transitions. [2022-11-20 10:39:39,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2022-11-20 10:39:39,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:39,520 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 60, 60, 60, 60, 60, 60, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:39,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:39,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:39,735 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:39:39,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:39,736 INFO L85 PathProgramCache]: Analyzing trace with hash -2082618369, now seen corresponding path program 1 times [2022-11-20 10:39:39,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:39:39,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1246746987] [2022-11-20 10:39:39,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:39,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:39,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:39:39,742 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:39:39,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 10:39:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:47,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 5744 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:39:47,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 16832 backedges. 1157 proven. 0 refuted. 0 times theorem prover too weak. 15675 trivial. 0 not checked. [2022-11-20 10:39:47,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:47,654 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:39:47,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1246746987] [2022-11-20 10:39:47,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1246746987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:47,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:47,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:39:47,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011415188] [2022-11-20 10:39:47,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:47,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:39:47,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:39:47,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:39:47,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:39:47,658 INFO L87 Difference]: Start difference. First operand 21280 states and 31094 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-20 10:39:49,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:49,856 INFO L93 Difference]: Finished difference Result 46155 states and 67993 transitions. [2022-11-20 10:39:49,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:39:49,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 869 [2022-11-20 10:39:49,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:49,977 INFO L225 Difference]: With dead ends: 46155 [2022-11-20 10:39:49,978 INFO L226 Difference]: Without dead ends: 27694 [2022-11-20 10:39:50,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 868 GetRequests, 867 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:39:50,062 INFO L413 NwaCegarLoop]: 9769 mSDtfsCounter, 1693 mSDsluCounter, 7514 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 17283 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:50,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 17283 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:39:50,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27694 states. [2022-11-20 10:39:51,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27694 to 21282. [2022-11-20 10:39:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21282 states, 14376 states have (on average 1.3281858653311074) internal successors, (19094), 14899 states have internal predecessors, (19094), 6001 states have call successors, (6001), 904 states have call predecessors, (6001), 904 states have return successors, (6001), 5804 states have call predecessors, (6001), 6001 states have call successors, (6001) [2022-11-20 10:39:51,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21282 states to 21282 states and 31096 transitions. [2022-11-20 10:39:51,925 INFO L78 Accepts]: Start accepts. Automaton has 21282 states and 31096 transitions. Word has length 869 [2022-11-20 10:39:51,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:51,926 INFO L495 AbstractCegarLoop]: Abstraction has 21282 states and 31096 transitions. [2022-11-20 10:39:51,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-11-20 10:39:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 21282 states and 31096 transitions. [2022-11-20 10:39:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2022-11-20 10:39:52,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:52,002 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 60, 60, 60, 60, 60, 60, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:52,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:52,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:52,231 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:39:52,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:52,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1453250885, now seen corresponding path program 1 times [2022-11-20 10:39:52,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:39:52,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1966270232] [2022-11-20 10:39:52,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:52,235 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:52,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:39:52,236 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:39:52,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 10:39:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:59,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 5744 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:39:59,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:00,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16832 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 16200 trivial. 0 not checked. [2022-11-20 10:40:00,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:40:00,192 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:00,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1966270232] [2022-11-20 10:40:00,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1966270232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:00,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:00,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:40:00,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375642756] [2022-11-20 10:40:00,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:00,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:40:00,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:00,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:40:00,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:40:00,196 INFO L87 Difference]: Start difference. First operand 21282 states and 31096 transitions. Second operand has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2022-11-20 10:40:03,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:03,296 INFO L93 Difference]: Finished difference Result 46200 states and 68054 transitions. [2022-11-20 10:40:03,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:40:03,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 869 [2022-11-20 10:40:03,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:03,399 INFO L225 Difference]: With dead ends: 46200 [2022-11-20 10:40:03,399 INFO L226 Difference]: Without dead ends: 27737 [2022-11-20 10:40:03,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 869 GetRequests, 866 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:40:03,451 INFO L413 NwaCegarLoop]: 9353 mSDtfsCounter, 1711 mSDsluCounter, 16748 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2274 SdHoareTripleChecker+Valid, 26101 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:03,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2274 Valid, 26101 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 10:40:03,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27737 states. [2022-11-20 10:40:05,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27737 to 21286. [2022-11-20 10:40:05,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21286 states, 14380 states have (on average 1.3280945757997218) internal successors, (19098), 14903 states have internal predecessors, (19098), 6001 states have call successors, (6001), 904 states have call predecessors, (6001), 904 states have return successors, (6001), 5804 states have call predecessors, (6001), 6001 states have call successors, (6001) [2022-11-20 10:40:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21286 states to 21286 states and 31100 transitions. [2022-11-20 10:40:05,262 INFO L78 Accepts]: Start accepts. Automaton has 21286 states and 31100 transitions. Word has length 869 [2022-11-20 10:40:05,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:05,264 INFO L495 AbstractCegarLoop]: Abstraction has 21286 states and 31100 transitions. [2022-11-20 10:40:05,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2022-11-20 10:40:05,264 INFO L276 IsEmpty]: Start isEmpty. Operand 21286 states and 31100 transitions. [2022-11-20 10:40:05,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2022-11-20 10:40:05,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:05,331 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 60, 60, 60, 60, 60, 60, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:05,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:05,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:05,531 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:40:05,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:05,532 INFO L85 PathProgramCache]: Analyzing trace with hash -396519683, now seen corresponding path program 1 times [2022-11-20 10:40:05,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:05,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237538374] [2022-11-20 10:40:05,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:05,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:05,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:05,540 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:05,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 10:40:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:13,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 5746 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:40:13,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16832 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 16397 trivial. 0 not checked. [2022-11-20 10:40:15,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:40:15,792 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:15,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237538374] [2022-11-20 10:40:15,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1237538374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:15,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:15,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:40:15,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386850119] [2022-11-20 10:40:15,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:15,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:40:15,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:15,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:40:15,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:40:15,796 INFO L87 Difference]: Start difference. First operand 21286 states and 31100 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2022-11-20 10:40:19,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:19,841 INFO L93 Difference]: Finished difference Result 47861 states and 69806 transitions. [2022-11-20 10:40:19,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:40:19,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) Word has length 869 [2022-11-20 10:40:19,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:19,945 INFO L225 Difference]: With dead ends: 47861 [2022-11-20 10:40:19,945 INFO L226 Difference]: Without dead ends: 29394 [2022-11-20 10:40:19,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 868 GetRequests, 867 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:40:19,997 INFO L413 NwaCegarLoop]: 12806 mSDtfsCounter, 5815 mSDsluCounter, 6896 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5815 SdHoareTripleChecker+Valid, 19702 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:19,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5815 Valid, 19702 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-20 10:40:20,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29394 states. [2022-11-20 10:40:22,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29394 to 29393. [2022-11-20 10:40:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29393 states, 19877 states have (on average 1.3291241132967753) internal successors, (26419), 20601 states have internal predecessors, (26419), 8246 states have call successors, (8246), 1269 states have call predecessors, (8246), 1269 states have return successors, (8246), 7980 states have call predecessors, (8246), 8246 states have call successors, (8246) [2022-11-20 10:40:22,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29393 states to 29393 states and 42911 transitions. [2022-11-20 10:40:22,469 INFO L78 Accepts]: Start accepts. Automaton has 29393 states and 42911 transitions. Word has length 869 [2022-11-20 10:40:22,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:22,470 INFO L495 AbstractCegarLoop]: Abstraction has 29393 states and 42911 transitions. [2022-11-20 10:40:22,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 3 states have call predecessors, (81), 3 states have call successors, (81) [2022-11-20 10:40:22,470 INFO L276 IsEmpty]: Start isEmpty. Operand 29393 states and 42911 transitions. [2022-11-20 10:40:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 953 [2022-11-20 10:40:22,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:22,558 INFO L195 NwaCegarLoop]: trace histogram [66, 66, 60, 60, 60, 60, 60, 60, 13, 13, 13, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:22,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:22,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:22,759 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:40:22,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:22,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1553777174, now seen corresponding path program 1 times [2022-11-20 10:40:22,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:22,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707564910] [2022-11-20 10:40:22,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:22,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:22,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:22,764 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:22,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 10:40:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:30,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 5895 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:40:30,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 17475 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17475 trivial. 0 not checked. [2022-11-20 10:41:07,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:07,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:07,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707564910] [2022-11-20 10:41:07,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707564910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:07,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:07,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:41:07,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397815852] [2022-11-20 10:41:07,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:07,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:41:07,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:07,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:41:07,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:41:07,623 INFO L87 Difference]: Start difference. First operand 29393 states and 42911 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2022-11-20 10:41:25,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:25,072 INFO L93 Difference]: Finished difference Result 38869 states and 57708 transitions. [2022-11-20 10:41:25,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:41:25,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) Word has length 952 [2022-11-20 10:41:25,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:25,082 INFO L225 Difference]: With dead ends: 38869 [2022-11-20 10:41:25,082 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:41:25,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 952 GetRequests, 949 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:41:25,285 INFO L413 NwaCegarLoop]: 9266 mSDtfsCounter, 8910 mSDsluCounter, 7528 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8910 SdHoareTripleChecker+Valid, 16794 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 573 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:25,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8910 Valid, 16794 Invalid, 1148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [573 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2022-11-20 10:41:25,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:41:25,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:41:25,287 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) [2022-11-20 10:41:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:41:25,291 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 952 [2022-11-20 10:41:25,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:25,291 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:41:25,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 1 states have call successors, (83), 1 states have call predecessors, (83), 1 states have return successors, (83), 1 states have call predecessors, (83), 1 states have call successors, (83) [2022-11-20 10:41:25,292 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:41:25,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:41:25,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-20 10:41:25,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-11-20 10:41:25,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:25,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0942cbeb-e10b-4a76-a63c-0a7a038cfcbf/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:25,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.