./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_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_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/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_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/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_3d048bcc-7af2-402e-9750-76f9d6278af9/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 e8978491afc5f8634ce8df2cd7fd9b2b712577ff9b4bcfdd175bc15f749a867e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:10:07,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:10:07,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:10:07,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:10:07,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:10:07,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:10:07,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:10:07,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:10:07,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:10:07,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:10:07,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:10:07,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:10:07,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:10:07,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:10:07,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:10:07,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:10:07,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:10:07,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:10:07,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:10:07,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:10:07,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:10:07,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:10:07,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:10:07,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:10:07,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:10:07,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:10:07,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:10:07,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:10:07,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:10:07,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:10:07,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:10:07,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:10:07,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:10:07,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:10:07,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:10:07,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:10:07,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:10:07,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:10:07,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:10:07,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:10:07,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:10:07,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 20:10:07,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:10:07,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:10:07,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:10:07,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:10:07,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:10:07,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:10:07,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:10:07,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:10:07,921 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:10:07,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:10:07,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:10:07,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:10:07,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:10:07,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:10:07,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:10:07,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:10:07,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:10:07,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:10:07,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:10:07,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:10:07,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:10:07,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:10:07,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:10:07,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:10:07,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:10:07,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:10:07,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:10:07,923 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:10:07,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:10:07,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:10:07,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:10:07,923 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_3d048bcc-7af2-402e-9750-76f9d6278af9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8978491afc5f8634ce8df2cd7fd9b2b712577ff9b4bcfdd175bc15f749a867e [2021-12-06 20:10:08,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:10:08,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:10:08,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:10:08,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:10:08,140 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:10:08,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-06 20:10:08,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa/data/e56e58f4f/d4ec3c7d72264e17b87841c2203cb4d8/FLAG6c2cd2e66 [2021-12-06 20:10:08,907 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:10:08,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-06 20:10:08,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa/data/e56e58f4f/d4ec3c7d72264e17b87841c2203cb4d8/FLAG6c2cd2e66 [2021-12-06 20:10:09,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa/data/e56e58f4f/d4ec3c7d72264e17b87841c2203cb4d8 [2021-12-06 20:10:09,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:10:09,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:10:09,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:10:09,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:10:09,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:10:09,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:10:09" (1/1) ... [2021-12-06 20:10:09,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55805182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:09, skipping insertion in model container [2021-12-06 20:10:09,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:10:09" (1/1) ... [2021-12-06 20:10:09,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:10:09,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:10:14,141 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_3d048bcc-7af2-402e-9750-76f9d6278af9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571795,571808] [2021-12-06 20:10:14,143 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_3d048bcc-7af2-402e-9750-76f9d6278af9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571940,571953] [2021-12-06 20:10:14,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:10:14,240 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:10:14,828 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_3d048bcc-7af2-402e-9750-76f9d6278af9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571795,571808] [2021-12-06 20:10:14,828 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_3d048bcc-7af2-402e-9750-76f9d6278af9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571940,571953] [2021-12-06 20:10:14,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:10:15,166 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:10:15,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15 WrapperNode [2021-12-06 20:10:15,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:10:15,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:10:15,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:10:15,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:10:15,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15" (1/1) ... [2021-12-06 20:10:15,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15" (1/1) ... [2021-12-06 20:10:15,548 INFO L137 Inliner]: procedures = 793, calls = 5287, calls flagged for inlining = 369, calls inlined = 351, statements flattened = 12993 [2021-12-06 20:10:15,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:10:15,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:10:15,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:10:15,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:10:15,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15" (1/1) ... [2021-12-06 20:10:15,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15" (1/1) ... [2021-12-06 20:10:15,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15" (1/1) ... [2021-12-06 20:10:15,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15" (1/1) ... [2021-12-06 20:10:15,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15" (1/1) ... [2021-12-06 20:10:15,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15" (1/1) ... [2021-12-06 20:10:15,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15" (1/1) ... [2021-12-06 20:10:15,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:10:15,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:10:15,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:10:15,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:10:15,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15" (1/1) ... [2021-12-06 20:10:15,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:10:15,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:10:15,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:10:15,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d048bcc-7af2-402e-9750-76f9d6278af9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:10:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_129 [2021-12-06 20:10:15,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_129 [2021-12-06 20:10:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-12-06 20:10:15,951 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-12-06 20:10:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-06 20:10:15,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-06 20:10:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-12-06 20:10:15,951 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-12-06 20:10:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-12-06 20:10:15,951 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-12-06 20:10:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-12-06 20:10:15,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-12-06 20:10:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-12-06 20:10:15,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-12-06 20:10:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-12-06 20:10:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-12-06 20:10:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-12-06 20:10:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-12-06 20:10:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-12-06 20:10:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-12-06 20:10:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-12-06 20:10:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-12-06 20:10:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-12-06 20:10:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-12-06 20:10:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-12-06 20:10:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-12-06 20:10:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 20:10:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 20:10:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 20:10:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 20:10:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-06 20:10:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-06 20:10:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-12-06 20:10:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-12-06 20:10:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 20:10:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-12-06 20:10:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-12-06 20:10:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 20:10:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 20:10:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-12-06 20:10:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-12-06 20:10:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-12-06 20:10:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-12-06 20:10:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-06 20:10:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-06 20:10:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-12-06 20:10:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-12-06 20:10:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_107 [2021-12-06 20:10:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_107 [2021-12-06 20:10:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-12-06 20:10:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-12-06 20:10:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-12-06 20:10:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-12-06 20:10:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-12-06 20:10:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-12-06 20:10:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 20:10:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 20:10:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-12-06 20:10:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-12-06 20:10:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-06 20:10:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-06 20:10:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-12-06 20:10:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-12-06 20:10:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-06 20:10:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-06 20:10:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-12-06 20:10:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-12-06 20:10:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 20:10:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 20:10:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 20:10:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 20:10:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:10:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-12-06 20:10:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-12-06 20:10:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-06 20:10:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-06 20:10:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-12-06 20:10:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-12-06 20:10:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 20:10:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 20:10:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-06 20:10:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-06 20:10:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 20:10:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 20:10:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 20:10:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 20:10:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-12-06 20:10:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-12-06 20:10:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-06 20:10:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-06 20:10:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:10:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:10:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-12-06 20:10:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-12-06 20:10:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:10:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 20:10:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 20:10:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 20:10:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 20:10:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-06 20:10:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-06 20:10:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-12-06 20:10:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-12-06 20:10:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-06 20:10:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-06 20:10:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-12-06 20:10:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-12-06 20:10:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:10:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 20:10:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 20:10:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 20:10:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 20:10:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:10:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-12-06 20:10:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-12-06 20:10:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 20:10:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-06 20:10:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-06 20:10:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-12-06 20:10:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-12-06 20:10:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 20:10:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 20:10:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-12-06 20:10:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-12-06 20:10:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-06 20:10:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-06 20:10:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 20:10:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 20:10:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 20:10:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 20:10:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-12-06 20:10:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-12-06 20:10:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-12-06 20:10:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-12-06 20:10:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 20:10:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 20:10:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-12-06 20:10:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-12-06 20:10:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-06 20:10:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-06 20:10:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:10:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:10:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-12-06 20:10:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-12-06 20:10:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-12-06 20:10:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-12-06 20:10:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-12-06 20:10:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-12-06 20:10:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:10:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 20:10:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 20:10:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-06 20:10:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-06 20:10:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 20:10:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 20:10:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 20:10:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 20:10:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 20:10:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-06 20:10:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-06 20:10:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-06 20:10:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-06 20:10:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-06 20:10:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-06 20:10:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 20:10:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 20:10:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-12-06 20:10:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-12-06 20:10:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 20:10:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 20:10:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 20:10:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 20:10:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-12-06 20:10:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-12-06 20:10:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:10:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 20:10:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 20:10:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-12-06 20:10:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-12-06 20:10:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:10:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-12-06 20:10:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-12-06 20:10:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-12-06 20:10:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-12-06 20:10:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2021-12-06 20:10:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2021-12-06 20:10:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-12-06 20:10:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-12-06 20:10:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-12-06 20:10:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-12-06 20:10:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 20:10:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 20:10:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-12-06 20:10:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-12-06 20:10:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 20:10:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 20:10:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 20:10:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 20:10:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-12-06 20:10:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-12-06 20:10:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-12-06 20:10:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-12-06 20:10:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 20:10:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 20:10:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-12-06 20:10:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-12-06 20:10:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-12-06 20:10:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-12-06 20:10:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-12-06 20:10:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-12-06 20:10:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-06 20:10:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-06 20:10:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-06 20:10:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-06 20:10:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 20:10:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 20:10:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:10:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-12-06 20:10:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-12-06 20:10:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-12-06 20:10:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-12-06 20:10:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 20:10:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 20:10:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-12-06 20:10:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-12-06 20:10:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-12-06 20:10:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-12-06 20:10:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-12-06 20:10:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-12-06 20:10:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-12-06 20:10:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-12-06 20:10:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_106 [2021-12-06 20:10:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_106 [2021-12-06 20:10:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-12-06 20:10:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-12-06 20:10:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-12-06 20:10:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-12-06 20:10:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-06 20:10:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-06 20:10:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-12-06 20:10:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-12-06 20:10:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-06 20:10:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-06 20:10:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-12-06 20:10:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-12-06 20:10:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 20:10:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 20:10:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_128 [2021-12-06 20:10:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_128 [2021-12-06 20:10:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-12-06 20:10:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-12-06 20:10:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-06 20:10:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-06 20:10:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-12-06 20:10:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-12-06 20:10:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-12-06 20:10:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-12-06 20:10:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-12-06 20:10:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-12-06 20:10:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-06 20:10:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-06 20:10:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 20:10:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 20:10:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-06 20:10:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-06 20:10:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-12-06 20:10:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-12-06 20:10:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 20:10:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 20:10:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 20:10:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 20:10:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-12-06 20:10:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-12-06 20:10:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-12-06 20:10:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-12-06 20:10:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-12-06 20:10:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-12-06 20:10:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-06 20:10:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-06 20:10:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-12-06 20:10:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-12-06 20:10:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-12-06 20:10:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-12-06 20:10:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 20:10:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 20:10:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-12-06 20:10:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-12-06 20:10:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-12-06 20:10:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-12-06 20:10:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-12-06 20:10:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-12-06 20:10:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 20:10:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 20:10:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-06 20:10:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-06 20:10:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 20:10:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 20:10:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 20:10:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 20:10:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 20:10:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 20:10:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:10:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-12-06 20:10:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-12-06 20:10:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-12-06 20:10:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-12-06 20:10:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-06 20:10:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-06 20:10:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-06 20:10:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-06 20:10:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-12-06 20:10:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-12-06 20:10:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 20:10:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 20:10:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-12-06 20:10:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-12-06 20:10:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-06 20:10:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-06 20:10:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 20:10:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 20:10:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 20:10:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 20:10:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-12-06 20:10:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-12-06 20:10:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 20:10:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 20:10:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-06 20:10:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-06 20:10:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 20:10:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 20:10:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 20:10:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 20:10:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 20:10:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 20:10:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 20:10:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 20:10:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-12-06 20:10:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-12-06 20:10:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-12-06 20:10:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-12-06 20:10:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 20:10:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 20:10:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-12-06 20:10:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-12-06 20:10:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 20:10:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 20:10:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-06 20:10:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-06 20:10:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:10:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 20:10:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-12-06 20:10:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-12-06 20:10:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-06 20:10:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-06 20:10:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-06 20:10:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-06 20:10:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-12-06 20:10:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-12-06 20:10:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-12-06 20:10:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-12-06 20:10:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-06 20:10:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-06 20:10:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 20:10:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 20:10:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 20:10:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 20:10:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-12-06 20:10:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-12-06 20:10:15,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-06 20:10:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-06 20:10:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-12-06 20:10:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-12-06 20:10:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-12-06 20:10:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-12-06 20:10:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-12-06 20:10:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-12-06 20:10:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-06 20:10:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-06 20:10:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-06 20:10:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-06 20:10:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-12-06 20:10:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-12-06 20:10:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 20:10:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 20:10:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 20:10:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-12-06 20:10:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-12-06 20:10:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-12-06 20:10:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-12-06 20:10:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-12-06 20:10:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-12-06 20:10:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 20:10:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 20:10:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-06 20:10:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-06 20:10:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 20:10:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 20:10:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-12-06 20:10:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-12-06 20:10:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-12-06 20:10:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-12-06 20:10:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-06 20:10:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-06 20:10:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-12-06 20:10:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-12-06 20:10:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 20:10:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 20:10:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-12-06 20:10:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-12-06 20:10:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 20:10:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 20:10:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-12-06 20:10:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-12-06 20:10:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-12-06 20:10:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-12-06 20:10:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-06 20:10:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-06 20:10:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:10:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-12-06 20:10:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-12-06 20:10:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 20:10:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 20:10:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 20:10:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 20:10:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-12-06 20:10:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-12-06 20:10:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 20:10:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 20:10:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 20:10:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 20:10:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-12-06 20:10:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-12-06 20:10:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 20:10:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 20:10:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-12-06 20:10:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-12-06 20:10:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-12-06 20:10:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-12-06 20:10:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-12-06 20:10:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-12-06 20:10:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-12-06 20:10:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-12-06 20:10:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-12-06 20:10:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-12-06 20:10:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-12-06 20:10:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-12-06 20:10:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-12-06 20:10:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-12-06 20:10:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-12-06 20:10:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-12-06 20:10:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 20:10:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 20:10:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-12-06 20:10:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-12-06 20:10:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-12-06 20:10:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-12-06 20:10:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-06 20:10:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-06 20:10:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 20:10:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 20:10:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-12-06 20:10:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-12-06 20:10:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-12-06 20:10:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-12-06 20:10:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 20:10:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 20:10:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-12-06 20:10:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-12-06 20:10:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 20:10:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 20:10:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-12-06 20:10:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-12-06 20:10:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 20:10:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 20:10:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-12-06 20:10:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-12-06 20:10:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-12-06 20:10:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-12-06 20:10:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-12-06 20:10:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-12-06 20:10:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-06 20:10:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-06 20:10:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-12-06 20:10:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-12-06 20:10:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 20:10:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 20:10:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-06 20:10:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-06 20:10:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 20:10:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 20:10:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:10:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:10:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:10:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 20:10:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 20:10:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-12-06 20:10:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-12-06 20:10:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-12-06 20:10:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-12-06 20:10:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 20:10:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 20:10:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-06 20:10:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-06 20:10:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-12-06 20:10:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-12-06 20:10:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-12-06 20:10:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-12-06 20:10:16,823 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:10:16,827 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:10:17,113 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 20:23:20,756 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 20:23:20,885 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:23:20,912 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:23:20,912 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 20:23:20,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:23:20 BoogieIcfgContainer [2021-12-06 20:23:20,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:23:20,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:23:20,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:23:20,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:23:20,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:10:09" (1/3) ... [2021-12-06 20:23:20,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c927d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:23:20, skipping insertion in model container [2021-12-06 20:23:20,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:10:15" (2/3) ... [2021-12-06 20:23:20,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c927d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:23:20, skipping insertion in model container [2021-12-06 20:23:20,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:23:20" (3/3) ... [2021-12-06 20:23:20,922 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-06 20:23:20,926 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:23:20,927 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:23:20,980 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:23:20,986 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 [2021-12-06 20:23:20,987 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:23:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 4413 states, 3082 states have (on average 1.2881245944192083) internal successors, (3970), 3126 states have internal predecessors, (3970), 1087 states have call successors, (1087), 244 states have call predecessors, (1087), 243 states have return successors, (1082), 1070 states have call predecessors, (1082), 1082 states have call successors, (1082) [2021-12-06 20:23:21,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-06 20:23:21,097 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:23:21,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:23:21,099 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:23:21,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:23:21,104 INFO L85 PathProgramCache]: Analyzing trace with hash 373864464, now seen corresponding path program 1 times [2021-12-06 20:23:21,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:23:21,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87295914] [2021-12-06 20:23:21,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:23:21,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:23:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:23:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:23:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:23:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:23:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:23:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:23:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:23:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:23:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:23:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:23:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:23:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:23:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:23:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:23:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:23:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 20:23:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-06 20:23:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:23:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-06 20:23:22,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:23:22,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87295914] [2021-12-06 20:23:22,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87295914] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:23:22,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:23:22,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:23:22,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983062621] [2021-12-06 20:23:22,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:23:22,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:23:22,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:23:22,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:23:22,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:23:22,711 INFO L87 Difference]: Start difference. First operand has 4413 states, 3082 states have (on average 1.2881245944192083) internal successors, (3970), 3126 states have internal predecessors, (3970), 1087 states have call successors, (1087), 244 states have call predecessors, (1087), 243 states have return successors, (1082), 1070 states have call predecessors, (1082), 1082 states have call successors, (1082) Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-06 20:23:24,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:27,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:31,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:23:51,911 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 [] [2021-12-06 20:23:53,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:23:53,627 INFO L93 Difference]: Finished difference Result 12012 states and 16861 transitions. [2021-12-06 20:23:53,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:23:53,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 208 [2021-12-06 20:23:53,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:23:53,692 INFO L225 Difference]: With dead ends: 12012 [2021-12-06 20:23:53,693 INFO L226 Difference]: Without dead ends: 7564 [2021-12-06 20:23:53,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:23:53,729 INFO L933 BasicCegarLoop]: 6305 mSDtfsCounter, 5957 mSDsluCounter, 6674 mSDsCounter, 0 mSdLazyCounter, 3833 mSolverCounterSat, 2766 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6704 SdHoareTripleChecker+Valid, 12979 SdHoareTripleChecker+Invalid, 6603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2766 IncrementalHoareTripleChecker+Valid, 3833 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:23:53,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6704 Valid, 12979 Invalid, 6603 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2766 Valid, 3833 Invalid, 4 Unknown, 0 Unchecked, 30.1s Time] [2021-12-06 20:23:53,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7564 states. [2021-12-06 20:23:54,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7564 to 7273. [2021-12-06 20:23:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7273 states, 5092 states have (on average 1.2733699921445405) internal successors, (6484), 5161 states have internal predecessors, (6484), 1747 states have call successors, (1747), 433 states have call predecessors, (1747), 433 states have return successors, (1747), 1727 states have call predecessors, (1747), 1747 states have call successors, (1747) [2021-12-06 20:23:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7273 states to 7273 states and 9978 transitions. [2021-12-06 20:23:54,085 INFO L78 Accepts]: Start accepts. Automaton has 7273 states and 9978 transitions. Word has length 208 [2021-12-06 20:23:54,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:23:54,087 INFO L470 AbstractCegarLoop]: Abstraction has 7273 states and 9978 transitions. [2021-12-06 20:23:54,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-06 20:23:54,087 INFO L276 IsEmpty]: Start isEmpty. Operand 7273 states and 9978 transitions. [2021-12-06 20:23:54,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-06 20:23:54,100 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:23:54,101 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:23:54,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:23:54,101 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:23:54,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:23:54,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1310526115, now seen corresponding path program 1 times [2021-12-06 20:23:54,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:23:54,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582275772] [2021-12-06 20:23:54,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:23:54,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:23:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:23:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:23:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:23:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:23:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:23:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:23:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:54,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:23:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:23:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:23:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:23:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:23:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:23:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:23:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:23:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:23:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 20:23:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-06 20:23:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 20:23:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-06 20:23:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-06 20:23:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 20:23:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:23:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-06 20:23:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-06 20:23:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-06 20:23:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-06 20:23:55,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:23:55,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582275772] [2021-12-06 20:23:55,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582275772] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:23:55,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:23:55,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:23:55,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913949802] [2021-12-06 20:23:55,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:23:55,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:23:55,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:23:55,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:23:55,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:23:55,297 INFO L87 Difference]: Start difference. First operand 7273 states and 9978 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 20:23:57,417 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 [] [2021-12-06 20:23:59,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:24:06,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:24:27,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:24:29,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:29,218 INFO L93 Difference]: Finished difference Result 17836 states and 24506 transitions. [2021-12-06 20:24:29,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:24:29,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 269 [2021-12-06 20:24:29,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:29,283 INFO L225 Difference]: With dead ends: 17836 [2021-12-06 20:24:29,283 INFO L226 Difference]: Without dead ends: 10598 [2021-12-06 20:24:29,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:24:29,313 INFO L933 BasicCegarLoop]: 9277 mSDtfsCounter, 4804 mSDsluCounter, 7843 mSDsCounter, 0 mSdLazyCounter, 3893 mSolverCounterSat, 2001 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5527 SdHoareTripleChecker+Valid, 17120 SdHoareTripleChecker+Invalid, 5898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2001 IncrementalHoareTripleChecker+Valid, 3893 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:29,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5527 Valid, 17120 Invalid, 5898 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2001 Valid, 3893 Invalid, 4 Unknown, 0 Unchecked, 33.3s Time] [2021-12-06 20:24:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10598 states. [2021-12-06 20:24:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10598 to 10201. [2021-12-06 20:24:29,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10201 states, 7141 states have (on average 1.271110488727069) internal successors, (9077), 7236 states have internal predecessors, (9077), 2435 states have call successors, (2435), 624 states have call predecessors, (2435), 624 states have return successors, (2435), 2407 states have call predecessors, (2435), 2435 states have call successors, (2435) [2021-12-06 20:24:29,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10201 states to 10201 states and 13947 transitions. [2021-12-06 20:24:29,642 INFO L78 Accepts]: Start accepts. Automaton has 10201 states and 13947 transitions. Word has length 269 [2021-12-06 20:24:29,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:29,643 INFO L470 AbstractCegarLoop]: Abstraction has 10201 states and 13947 transitions. [2021-12-06 20:24:29,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 20:24:29,643 INFO L276 IsEmpty]: Start isEmpty. Operand 10201 states and 13947 transitions. [2021-12-06 20:24:29,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-12-06 20:24:29,662 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:29,662 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:24:29,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:24:29,663 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:24:29,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:29,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1360189000, now seen corresponding path program 1 times [2021-12-06 20:24:29,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:29,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045097196] [2021-12-06 20:24:29,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:29,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:24:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:24:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:24:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:24:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:24:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:24:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:24:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:24:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:24:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:24:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:24:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:24:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:24:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:24:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:24:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 20:24:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-06 20:24:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:24:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 20:24:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-06 20:24:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:24:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-06 20:24:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-06 20:24:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 20:24:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-06 20:24:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 20:24:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-06 20:24:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-06 20:24:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-06 20:24:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-06 20:24:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 20:24:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:24:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-06 20:24:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1011 trivial. 0 not checked. [2021-12-06 20:24:30,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:30,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045097196] [2021-12-06 20:24:30,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045097196] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:24:30,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:24:30,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:24:30,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127879275] [2021-12-06 20:24:30,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:24:30,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:24:30,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:30,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:24:30,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:30,979 INFO L87 Difference]: Start difference. First operand 10201 states and 13947 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (42), 5 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-06 20:24:33,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:24:35,360 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 []