./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-ethernet-cisco-enic-enic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa --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 1cfa724a0e5488a49a255704f489ef5170fce458d5f4c6e72fccac09d818b317 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:09:42,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:09:42,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:09:42,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:09:42,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:09:42,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:09:42,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:09:42,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:09:42,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:09:42,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:09:42,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:09:42,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:09:42,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:09:42,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:09:42,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:09:42,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:09:42,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:09:42,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:09:42,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:09:42,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:09:42,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:09:42,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:09:42,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:09:42,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:09:42,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:09:42,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:09:42,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:09:42,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:09:42,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:09:42,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:09:42,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:09:42,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:09:42,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:09:42,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:09:42,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:09:42,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:09:42,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:09:42,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:09:42,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:09:42,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:09:42,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:09:42,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:09:42,779 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:09:42,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:09:42,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:09:42,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:09:42,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:09:42,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:09:42,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:09:42,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:09:42,781 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:09:42,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:09:42,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:09:42,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:09:42,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:09:42,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:09:42,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:09:42,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:09:42,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:09:42,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:09:42,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:09:42,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:09:42,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:09:42,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:09:42,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:09:42,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:09:42,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:09:42,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:09:42,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:09:42,783 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:09:42,783 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:09:42,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:09:42,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:09:42,784 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_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cfa724a0e5488a49a255704f489ef5170fce458d5f4c6e72fccac09d818b317 [2021-12-07 00:09:42,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:09:42,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:09:42,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:09:42,982 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:09:42,983 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:09:42,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-07 00:09:43,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/data/8c5424758/ceef4daf59eb42c2ada8b819638f7be6/FLAG6b84b007a [2021-12-07 00:09:43,686 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:09:43,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-07 00:09:43,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/data/8c5424758/ceef4daf59eb42c2ada8b819638f7be6/FLAG6b84b007a [2021-12-07 00:09:44,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/data/8c5424758/ceef4daf59eb42c2ada8b819638f7be6 [2021-12-07 00:09:44,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:09:44,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:09:44,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:09:44,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:09:44,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:09:44,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:09:44" (1/1) ... [2021-12-07 00:09:44,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35eba505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:44, skipping insertion in model container [2021-12-07 00:09:44,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:09:44" (1/1) ... [2021-12-07 00:09:44,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:09:44,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:09:48,126 WARN L230 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_3f6002ca-d902-4403-8e9a-404babe8a3fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522832,522845] [2021-12-07 00:09:48,128 WARN L230 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_3f6002ca-d902-4403-8e9a-404babe8a3fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522979,522992] [2021-12-07 00:09:48,129 WARN L230 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_3f6002ca-d902-4403-8e9a-404babe8a3fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523118,523131] [2021-12-07 00:09:48,129 WARN L230 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_3f6002ca-d902-4403-8e9a-404babe8a3fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523276,523289] [2021-12-07 00:09:48,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:09:48,214 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:09:48,727 WARN L230 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_3f6002ca-d902-4403-8e9a-404babe8a3fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522832,522845] [2021-12-07 00:09:48,728 WARN L230 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_3f6002ca-d902-4403-8e9a-404babe8a3fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522979,522992] [2021-12-07 00:09:48,728 WARN L230 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_3f6002ca-d902-4403-8e9a-404babe8a3fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523118,523131] [2021-12-07 00:09:48,728 WARN L230 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_3f6002ca-d902-4403-8e9a-404babe8a3fe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523276,523289] [2021-12-07 00:09:48,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:09:49,002 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:09:49,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49 WrapperNode [2021-12-07 00:09:49,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:09:49,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:09:49,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:09:49,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:09:49,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49" (1/1) ... [2021-12-07 00:09:49,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49" (1/1) ... [2021-12-07 00:09:49,347 INFO L137 Inliner]: procedures = 663, calls = 4929, calls flagged for inlining = 350, calls inlined = 347, statements flattened = 12888 [2021-12-07 00:09:49,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:09:49,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:09:49,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:09:49,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:09:49,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49" (1/1) ... [2021-12-07 00:09:49,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49" (1/1) ... [2021-12-07 00:09:49,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49" (1/1) ... [2021-12-07 00:09:49,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49" (1/1) ... [2021-12-07 00:09:49,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49" (1/1) ... [2021-12-07 00:09:49,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49" (1/1) ... [2021-12-07 00:09:49,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49" (1/1) ... [2021-12-07 00:09:49,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:09:49,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:09:49,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:09:49,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:09:49,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49" (1/1) ... [2021-12-07 00:09:49,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:09:49,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:09:49,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:09:49,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6002ca-d902-4403-8e9a-404babe8a3fe/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:09:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-12-07 00:09:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-12-07 00:09:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-07 00:09:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-07 00:09:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-12-07 00:09:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-12-07 00:09:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-12-07 00:09:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-12-07 00:09:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-07 00:09:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-07 00:09:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 00:09:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 00:09:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-07 00:09:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-07 00:09:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-12-07 00:09:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-12-07 00:09:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-12-07 00:09:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-12-07 00:09:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-12-07 00:09:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-12-07 00:09:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-12-07 00:09:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-12-07 00:09:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 00:09:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 00:09:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-12-07 00:09:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-12-07 00:09:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-07 00:09:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-07 00:09:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-12-07 00:09:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-12-07 00:09:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-12-07 00:09:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-12-07 00:09:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-12-07 00:09:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-12-07 00:09:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-12-07 00:09:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-12-07 00:09:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-12-07 00:09:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-12-07 00:09:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-12-07 00:09:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-12-07 00:09:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-12-07 00:09:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-12-07 00:09:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-07 00:09:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-07 00:09:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-12-07 00:09:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-12-07 00:09:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-12-07 00:09:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-12-07 00:09:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 00:09:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 00:09:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 00:09:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 00:09:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-12-07 00:09:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-12-07 00:09:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-07 00:09:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-07 00:09:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-12-07 00:09:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-12-07 00:09:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 00:09:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 00:09:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-12-07 00:09:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-12-07 00:09:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-12-07 00:09:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-12-07 00:09:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-07 00:09:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-12-07 00:09:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-12-07 00:09:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-12-07 00:09:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-12-07 00:09:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-07 00:09:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-07 00:09:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 00:09:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 00:09:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-07 00:09:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-07 00:09:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-07 00:09:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-07 00:09:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-07 00:09:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-07 00:09:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-12-07 00:09:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-12-07 00:09:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 00:09:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 00:09:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 00:09:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 00:09:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-12-07 00:09:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-12-07 00:09:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-07 00:09:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-07 00:09:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:09:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-12-07 00:09:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-12-07 00:09:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-12-07 00:09:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-12-07 00:09:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-12-07 00:09:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-12-07 00:09:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-12-07 00:09:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-12-07 00:09:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-12-07 00:09:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-12-07 00:09:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-07 00:09:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-07 00:09:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-07 00:09:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-07 00:09:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-12-07 00:09:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-12-07 00:09:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-12-07 00:09:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-12-07 00:09:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 00:09:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 00:09:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 00:09:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 00:09:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-12-07 00:09:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-12-07 00:09:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-12-07 00:09:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-12-07 00:09:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-07 00:09:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-07 00:09:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-12-07 00:09:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-12-07 00:09:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-07 00:09:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-07 00:09:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 00:09:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-07 00:09:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-07 00:09:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-12-07 00:09:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-12-07 00:09:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 00:09:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 00:09:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 00:09:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 00:09:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 00:09:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-12-07 00:09:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-12-07 00:09:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-07 00:09:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-07 00:09:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:09:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-07 00:09:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-07 00:09:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-12-07 00:09:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-12-07 00:09:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 00:09:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 00:09:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-07 00:09:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-07 00:09:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-07 00:09:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-07 00:09:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-07 00:09:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-07 00:09:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-12-07 00:09:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-12-07 00:09:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-07 00:09:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-07 00:09:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-07 00:09:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-07 00:09:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-07 00:09:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-07 00:09:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 00:09:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 00:09:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-12-07 00:09:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-12-07 00:09:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-07 00:09:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-07 00:09:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-12-07 00:09:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-12-07 00:09:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-07 00:09:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-07 00:09:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-12-07 00:09:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-12-07 00:09:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:09:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-07 00:09:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-07 00:09:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-07 00:09:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-07 00:09:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-12-07 00:09:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-12-07 00:09:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-07 00:09:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-07 00:09:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-12-07 00:09:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-12-07 00:09:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:09:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-07 00:09:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-07 00:09:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-12-07 00:09:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-12-07 00:09:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-07 00:09:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-07 00:09:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-07 00:09:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-07 00:09:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:09:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-12-07 00:09:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-12-07 00:09:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 00:09:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:09:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 00:09:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-07 00:09:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-07 00:09:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-07 00:09:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-07 00:09:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 00:09:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 00:09:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-12-07 00:09:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-12-07 00:09:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-12-07 00:09:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-12-07 00:09:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-12-07 00:09:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-12-07 00:09:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-07 00:09:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-07 00:09:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-12-07 00:09:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-12-07 00:09:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-07 00:09:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-07 00:09:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-12-07 00:09:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-12-07 00:09:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-07 00:09:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-07 00:09:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-07 00:09:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-07 00:09:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-07 00:09:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-07 00:09:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 00:09:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 00:09:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-12-07 00:09:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-12-07 00:09:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-07 00:09:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-07 00:09:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-12-07 00:09:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-12-07 00:09:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-07 00:09:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-07 00:09:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-12-07 00:09:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-12-07 00:09:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 00:09:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 00:09:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-12-07 00:09:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-12-07 00:09:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-07 00:09:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-07 00:09:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-12-07 00:09:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-12-07 00:09:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-12-07 00:09:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-12-07 00:09:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:09:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:09:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-12-07 00:09:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-12-07 00:09:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-07 00:09:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-07 00:09:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-07 00:09:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-07 00:09:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-12-07 00:09:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-12-07 00:09:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-12-07 00:09:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-12-07 00:09:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-12-07 00:09:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-12-07 00:09:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-12-07 00:09:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-12-07 00:09:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 00:09:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 00:09:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 00:09:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 00:09:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-12-07 00:09:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-12-07 00:09:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 00:09:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-07 00:09:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-07 00:09:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-07 00:09:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-12-07 00:09:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-12-07 00:09:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-12-07 00:09:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-12-07 00:09:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-07 00:09:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-07 00:09:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 00:09:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 00:09:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-07 00:09:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-07 00:09:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-07 00:09:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-07 00:09:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-07 00:09:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-07 00:09:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-07 00:09:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-12-07 00:09:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-12-07 00:09:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-07 00:09:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-07 00:09:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-07 00:09:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-07 00:09:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-07 00:09:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-07 00:09:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 00:09:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 00:09:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-12-07 00:09:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-12-07 00:09:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-07 00:09:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-07 00:09:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-12-07 00:09:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-12-07 00:09:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-07 00:09:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-07 00:09:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-07 00:09:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-07 00:09:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-12-07 00:09:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-12-07 00:09:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-12-07 00:09:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-12-07 00:09:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-07 00:09:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-07 00:09:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:09:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 00:09:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 00:09:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-12-07 00:09:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-12-07 00:09:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-12-07 00:09:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-12-07 00:09:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 00:09:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 00:09:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:09:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-12-07 00:09:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-12-07 00:09:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-12-07 00:09:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-12-07 00:09:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-12-07 00:09:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-12-07 00:09:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-07 00:09:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-07 00:09:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:09:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-12-07 00:09:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-12-07 00:09:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 00:09:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 00:09:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-12-07 00:09:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-12-07 00:09:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-12-07 00:09:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-12-07 00:09:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 00:09:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 00:09:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-07 00:09:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-07 00:09:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-12-07 00:09:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-12-07 00:09:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-12-07 00:09:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-12-07 00:09:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 00:09:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 00:09:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-07 00:09:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-07 00:09:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-07 00:09:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-07 00:09:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-07 00:09:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-07 00:09:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-12-07 00:09:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-12-07 00:09:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-12-07 00:09:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-12-07 00:09:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-07 00:09:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-07 00:09:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-12-07 00:09:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-12-07 00:09:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-07 00:09:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-07 00:09:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-12-07 00:09:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-12-07 00:09:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-12-07 00:09:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-12-07 00:09:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-12-07 00:09:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-12-07 00:09:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-12-07 00:09:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-12-07 00:09:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-12-07 00:09:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-12-07 00:09:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-12-07 00:09:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-12-07 00:09:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-12-07 00:09:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-12-07 00:09:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-12-07 00:09:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-12-07 00:09:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-12-07 00:09:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-12-07 00:09:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-12-07 00:09:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-12-07 00:09:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-12-07 00:09:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-12-07 00:09:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 00:09:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 00:09:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-07 00:09:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-07 00:09:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-12-07 00:09:49,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-12-07 00:09:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-07 00:09:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-07 00:09:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-12-07 00:09:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-12-07 00:09:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 00:09:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 00:09:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-07 00:09:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-07 00:09:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 00:09:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 00:09:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:09:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-12-07 00:09:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-12-07 00:09:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-12-07 00:09:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-12-07 00:09:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-12-07 00:09:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-12-07 00:09:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-12-07 00:09:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-12-07 00:09:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 00:09:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 00:09:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-12-07 00:09:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-12-07 00:09:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-12-07 00:09:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-12-07 00:09:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-12-07 00:09:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-12-07 00:09:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-07 00:09:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-07 00:09:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-12-07 00:09:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-12-07 00:09:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-12-07 00:09:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-12-07 00:09:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-07 00:09:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-07 00:09:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-12-07 00:09:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-12-07 00:09:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-07 00:09:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-07 00:09:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-12-07 00:09:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-12-07 00:09:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-12-07 00:09:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-12-07 00:09:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-12-07 00:09:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-12-07 00:09:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-12-07 00:09:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-12-07 00:09:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-12-07 00:09:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-12-07 00:09:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-07 00:09:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-07 00:09:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-12-07 00:09:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-12-07 00:09:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-07 00:09:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-07 00:09:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-07 00:09:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-07 00:09:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-12-07 00:09:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-12-07 00:09:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-12-07 00:09:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-12-07 00:09:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-07 00:09:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-07 00:09:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-07 00:09:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-07 00:09:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 00:09:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-07 00:09:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-12-07 00:09:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-12-07 00:09:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-07 00:09:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-07 00:09:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 00:09:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 00:09:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-07 00:09:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-07 00:09:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-12-07 00:09:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-12-07 00:09:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:09:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 00:09:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 00:09:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-12-07 00:09:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-12-07 00:09:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-12-07 00:09:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-12-07 00:09:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-07 00:09:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-07 00:09:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-07 00:09:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-07 00:09:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-12-07 00:09:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-12-07 00:09:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-12-07 00:09:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-12-07 00:09:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-12-07 00:09:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-12-07 00:09:50,663 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:09:50,667 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:09:50,989 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 00:21:44,544 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-07 00:21:44,668 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:21:44,691 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:21:44,691 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-07 00:21:44,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:21:44 BoogieIcfgContainer [2021-12-07 00:21:44,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:21:44,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:21:44,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:21:44,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:21:44,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:09:44" (1/3) ... [2021-12-07 00:21:44,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6597e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:21:44, skipping insertion in model container [2021-12-07 00:21:44,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:49" (2/3) ... [2021-12-07 00:21:44,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6597e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:21:44, skipping insertion in model container [2021-12-07 00:21:44,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:21:44" (3/3) ... [2021-12-07 00:21:44,703 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-07 00:21:44,708 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:21:44,708 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-07 00:21:44,756 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:21:44,761 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:21:44,761 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 00:21:44,829 INFO L276 IsEmpty]: Start isEmpty. Operand has 4312 states, 3037 states have (on average 1.2881132696740205) internal successors, (3912), 3082 states have internal predecessors, (3912), 1041 states have call successors, (1041), 233 states have call predecessors, (1041), 232 states have return successors, (1036), 1024 states have call predecessors, (1036), 1036 states have call successors, (1036) [2021-12-07 00:21:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-07 00:21:44,841 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:21:44,841 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:21:44,842 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:21:44,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:21:44,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1431583952, now seen corresponding path program 1 times [2021-12-07 00:21:44,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:21:44,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676652404] [2021-12-07 00:21:44,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:21:44,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:21:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:21:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:21:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:21:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:21:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:21:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:21:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:21:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:21:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:21:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:21:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:21:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:21:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:21:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:21:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:21:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:21:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:21:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:21:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:21:46,536 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-07 00:21:46,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:21:46,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676652404] [2021-12-07 00:21:46,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676652404] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:21:46,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:21:46,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:21:46,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106889387] [2021-12-07 00:21:46,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:21:46,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:21:46,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:21:46,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:21:46,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:21:46,571 INFO L87 Difference]: Start difference. First operand has 4312 states, 3037 states have (on average 1.2881132696740205) internal successors, (3912), 3082 states have internal predecessors, (3912), 1041 states have call successors, (1041), 233 states have call predecessors, (1041), 232 states have return successors, (1036), 1024 states have call predecessors, (1036), 1036 states have call successors, (1036) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-07 00:21:48,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:21:51,005 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:15,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:18,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:22:18,594 INFO L93 Difference]: Finished difference Result 13088 states and 18484 transitions. [2021-12-07 00:22:18,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:22:18,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 188 [2021-12-07 00:22:18,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:22:18,674 INFO L225 Difference]: With dead ends: 13088 [2021-12-07 00:22:18,674 INFO L226 Difference]: Without dead ends: 8798 [2021-12-07 00:22:18,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:22:18,711 INFO L933 BasicCegarLoop]: 6243 mSDtfsCounter, 7916 mSDsluCounter, 6672 mSDsCounter, 0 mSdLazyCounter, 3892 mSolverCounterSat, 3270 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8819 SdHoareTripleChecker+Valid, 12915 SdHoareTripleChecker+Invalid, 7165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3270 IncrementalHoareTripleChecker+Valid, 3892 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:22:18,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8819 Valid, 12915 Invalid, 7165 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3270 Valid, 3892 Invalid, 3 Unknown, 0 Unchecked, 31.1s Time] [2021-12-07 00:22:18,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8798 states. [2021-12-07 00:22:19,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8798 to 8433. [2021-12-07 00:22:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8433 states, 5936 states have (on average 1.2796495956873315) internal successors, (7596), 6024 states have internal predecessors, (7596), 2033 states have call successors, (2033), 463 states have call predecessors, (2033), 462 states have return successors, (2033), 2007 states have call predecessors, (2033), 2031 states have call successors, (2033) [2021-12-07 00:22:19,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8433 states to 8433 states and 11662 transitions. [2021-12-07 00:22:19,162 INFO L78 Accepts]: Start accepts. Automaton has 8433 states and 11662 transitions. Word has length 188 [2021-12-07 00:22:19,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:22:19,163 INFO L470 AbstractCegarLoop]: Abstraction has 8433 states and 11662 transitions. [2021-12-07 00:22:19,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-07 00:22:19,164 INFO L276 IsEmpty]: Start isEmpty. Operand 8433 states and 11662 transitions. [2021-12-07 00:22:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-07 00:22:19,178 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:22:19,178 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:22:19,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:22:19,179 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:22:19,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:22:19,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1179477301, now seen corresponding path program 1 times [2021-12-07 00:22:19,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:22:19,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012197088] [2021-12-07 00:22:19,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:22:19,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:22:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:22:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:22:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:22:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:22:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:22:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:22:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:22:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:22:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:22:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:22:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:22:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:22:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:22:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:22:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:22:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:22:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-07 00:22:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-07 00:22:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:22:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 00:22:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:22:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-12-07 00:22:20,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:22:20,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012197088] [2021-12-07 00:22:20,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012197088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:22:20,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:22:20,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:22:20,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644256289] [2021-12-07 00:22:20,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:22:20,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:22:20,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:22:20,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:22:20,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:22:20,687 INFO L87 Difference]: Start difference. First operand 8433 states and 11662 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-07 00:22:22,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:25,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:22:37,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:23:04,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:23:08,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:23:08,455 INFO L93 Difference]: Finished difference Result 19506 states and 27136 transitions. [2021-12-07 00:23:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:23:08,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 232 [2021-12-07 00:23:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:23:08,522 INFO L225 Difference]: With dead ends: 19506 [2021-12-07 00:23:08,522 INFO L226 Difference]: Without dead ends: 11108 [2021-12-07 00:23:08,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:23:08,551 INFO L933 BasicCegarLoop]: 6175 mSDtfsCounter, 8190 mSDsluCounter, 6496 mSDsCounter, 0 mSdLazyCounter, 5349 mSolverCounterSat, 5156 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8982 SdHoareTripleChecker+Valid, 12671 SdHoareTripleChecker+Invalid, 10508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5156 IncrementalHoareTripleChecker+Valid, 5349 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.4s IncrementalHoareTripleChecker+Time [2021-12-07 00:23:08,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8982 Valid, 12671 Invalid, 10508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5156 Valid, 5349 Invalid, 3 Unknown, 0 Unchecked, 46.4s Time] [2021-12-07 00:23:08,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11108 states. [2021-12-07 00:23:09,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11108 to 9974. [2021-12-07 00:23:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9974 states, 7006 states have (on average 1.2691978304310592) internal successors, (8892), 7104 states have internal predecessors, (8892), 2367 states have call successors, (2367), 600 states have call predecessors, (2367), 599 states have return successors, (2365), 2336 states have call predecessors, (2365), 2365 states have call successors, (2365) [2021-12-07 00:23:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9974 states to 9974 states and 13624 transitions. [2021-12-07 00:23:09,172 INFO L78 Accepts]: Start accepts. Automaton has 9974 states and 13624 transitions. Word has length 232 [2021-12-07 00:23:09,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:23:09,172 INFO L470 AbstractCegarLoop]: Abstraction has 9974 states and 13624 transitions. [2021-12-07 00:23:09,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-07 00:23:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 9974 states and 13624 transitions. [2021-12-07 00:23:09,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-12-07 00:23:09,178 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:23:09,179 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2021-12-07 00:23:09,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:23:09,179 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:23:09,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:23:09,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1017232664, now seen corresponding path program 1 times [2021-12-07 00:23:09,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:23:09,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649043156] [2021-12-07 00:23:09,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:23:09,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:23:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:23:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:23:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:23:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:23:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:23:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:23:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:23:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:23:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:23:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:23:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:23:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:23:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:23:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:23:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:23:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:23:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 00:23:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-07 00:23:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:23:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-07 00:23:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 00:23:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:23:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-07 00:23:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-07 00:23:10,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:23:10,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649043156] [2021-12-07 00:23:10,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649043156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:23:10,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:23:10,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:23:10,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202099459] [2021-12-07 00:23:10,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:23:10,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 00:23:10,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:23:10,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:23:10,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:23:10,221 INFO L87 Difference]: Start difference. First operand 9974 states and 13624 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-07 00:23:12,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:23:14,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:23:43,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 00:23:45,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:23:45,737 INFO L93 Difference]: Finished difference Result 24768 states and 34036 transitions. [2021-12-07 00:23:45,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:23:45,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 240 [2021-12-07 00:23:45,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:23:45,827 INFO L225 Difference]: With dead ends: 24768 [2021-12-07 00:23:45,827 INFO L226 Difference]: Without dead ends: 17650 [2021-12-07 00:23:45,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:23:45,859 INFO L933 BasicCegarLoop]: 8838 mSDtfsCounter, 6977 mSDsluCounter, 7822 mSDsCounter, 0 mSdLazyCounter, 3995 mSolverCounterSat, 2715 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7878 SdHoareTripleChecker+Valid, 16660 SdHoareTripleChecker+Invalid, 6713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2715 IncrementalHoareTripleChecker+Valid, 3995 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2021-12-07 00:23:45,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7878 Valid, 16660 Invalid, 6713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2715 Valid, 3995 Invalid, 3 Unknown, 0 Unchecked, 34.1s Time] [2021-12-07 00:23:45,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17650 states. [2021-12-07 00:23:46,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17650 to 16960. [2021-12-07 00:23:46,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16960 states, 11923 states have (on average 1.2712404596158684) internal successors, (15157), 12089 states have internal predecessors, (15157), 4023 states have call successors, (4023), 1013 states have call predecessors, (4023), 1012 states have return successors, (4023), 3973 states have call predecessors, (4023), 4021 states have call successors, (4023) [2021-12-07 00:23:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16960 states to 16960 states and 23203 transitions. [2021-12-07 00:23:46,689 INFO L78 Accepts]: Start accepts. Automaton has 16960 states and 23203 transitions. Word has length 240 [2021-12-07 00:23:46,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:23:46,689 INFO L470 AbstractCegarLoop]: Abstraction has 16960 states and 23203 transitions. [2021-12-07 00:23:46,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-07 00:23:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 16960 states and 23203 transitions. [2021-12-07 00:23:46,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-12-07 00:23:46,695 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:23:46,696 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2021-12-07 00:23:46,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:23:46,696 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:23:46,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:23:46,696 INFO L85 PathProgramCache]: Analyzing trace with hash 199584214, now seen corresponding path program 1 times [2021-12-07 00:23:46,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:23:46,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159360687] [2021-12-07 00:23:46,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:23:46,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:23:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 00:23:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 00:23:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 00:23:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-07 00:23:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 00:23:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:23:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 00:23:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-07 00:23:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:23:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-07 00:23:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:23:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-07 00:23:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-07 00:23:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 00:23:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 00:23:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-07 00:23:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-07 00:23:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-07 00:23:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:23:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-07 00:23:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:23:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 00:23:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 00:23:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-07 00:23:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:23:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-12-07 00:23:47,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:23:47,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159360687] [2021-12-07 00:23:47,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159360687] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:23:47,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:23:47,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:23:47,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96158980] [2021-12-07 00:23:47,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:23:47,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:23:47,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:23:47,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:23:47,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:23:47,908 INFO L87 Difference]: Start difference. First operand 16960 states and 23203 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-07 00:23:50,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []