./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:45:18,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:45:18,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:45:18,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:45:18,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:45:18,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:45:18,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:45:18,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:45:18,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:45:18,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:45:18,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:45:18,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:45:18,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:45:18,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:45:18,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:45:18,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:45:18,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:45:18,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:45:18,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:45:18,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:45:18,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:45:18,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:45:18,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:45:18,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:45:18,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:45:18,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:45:18,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:45:18,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:45:18,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:45:18,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:45:18,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:45:18,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:45:18,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:45:18,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:45:18,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:45:18,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:45:18,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:45:18,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:45:18,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:45:18,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:45:18,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:45:18,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:45:18,831 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:45:18,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:45:18,832 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:45:18,832 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:45:18,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:45:18,833 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:45:18,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:45:18,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:45:18,834 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:45:18,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:45:18,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:45:18,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:45:18,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:45:18,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:45:18,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:45:18,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:45:18,835 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:45:18,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:45:18,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:45:18,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:45:18,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:45:18,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:45:18,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:45:18,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:45:18,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:45:18,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:45:18,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:45:18,837 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:45:18,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:45:18,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:45:18,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:45:18,837 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf [2021-12-14 17:45:19,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:45:19,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:45:19,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:45:19,039 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:45:19,040 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:45:19,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2021-12-14 17:45:19,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5042b0293/984511eda5f64239981bad905cfadc9d/FLAG18505475c [2021-12-14 17:45:19,748 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:45:19,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2021-12-14 17:45:19,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5042b0293/984511eda5f64239981bad905cfadc9d/FLAG18505475c [2021-12-14 17:45:19,849 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5042b0293/984511eda5f64239981bad905cfadc9d [2021-12-14 17:45:19,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:45:19,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:45:19,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:45:19,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:45:19,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:45:19,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:45:19" (1/1) ... [2021-12-14 17:45:19,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d6f300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:19, skipping insertion in model container [2021-12-14 17:45:19,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:45:19" (1/1) ... [2021-12-14 17:45:19,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:45:19,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:45:20,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2021-12-14 17:45:21,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:45:22,040 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:45:22,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2021-12-14 17:45:22,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:45:22,648 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:45:22,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22 WrapperNode [2021-12-14 17:45:22,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:45:22,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:45:22,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:45:22,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:45:22,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22" (1/1) ... [2021-12-14 17:45:22,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22" (1/1) ... [2021-12-14 17:45:22,874 INFO L137 Inliner]: procedures = 449, calls = 2520, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 6344 [2021-12-14 17:45:22,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:45:22,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:45:22,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:45:22,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:45:22,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22" (1/1) ... [2021-12-14 17:45:22,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22" (1/1) ... [2021-12-14 17:45:22,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22" (1/1) ... [2021-12-14 17:45:22,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22" (1/1) ... [2021-12-14 17:45:23,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22" (1/1) ... [2021-12-14 17:45:23,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22" (1/1) ... [2021-12-14 17:45:23,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22" (1/1) ... [2021-12-14 17:45:23,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:45:23,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:45:23,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:45:23,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:45:23,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22" (1/1) ... [2021-12-14 17:45:23,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:45:23,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:45:23,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 17:45:23,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 17:45:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 17:45:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 17:45:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2021-12-14 17:45:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2021-12-14 17:45:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2021-12-14 17:45:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2021-12-14 17:45:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2021-12-14 17:45:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2021-12-14 17:45:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-12-14 17:45:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-12-14 17:45:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2021-12-14 17:45:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2021-12-14 17:45:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-14 17:45:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-14 17:45:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:45:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:45:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-12-14 17:45:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-12-14 17:45:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-12-14 17:45:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-12-14 17:45:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-12-14 17:45:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-12-14 17:45:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-14 17:45:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-14 17:45:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2021-12-14 17:45:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2021-12-14 17:45:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-14 17:45:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-14 17:45:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 17:45:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 17:45:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 17:45:23,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 17:45:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-12-14 17:45:23,177 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-12-14 17:45:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2021-12-14 17:45:23,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2021-12-14 17:45:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2021-12-14 17:45:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2021-12-14 17:45:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2021-12-14 17:45:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2021-12-14 17:45:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2021-12-14 17:45:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2021-12-14 17:45:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-14 17:45:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-14 17:45:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 17:45:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 17:45:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2021-12-14 17:45:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2021-12-14 17:45:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-14 17:45:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-14 17:45:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2021-12-14 17:45:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2021-12-14 17:45:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-12-14 17:45:23,179 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-12-14 17:45:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2021-12-14 17:45:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2021-12-14 17:45:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_tx_queues [2021-12-14 17:45:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_tx_queues [2021-12-14 17:45:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2021-12-14 17:45:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2021-12-14 17:45:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2021-12-14 17:45:23,182 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2021-12-14 17:45:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:45:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-12-14 17:45:23,182 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-12-14 17:45:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_kill_vid [2021-12-14 17:45:23,182 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_kill_vid [2021-12-14 17:45:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2021-12-14 17:45:23,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2021-12-14 17:45:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2021-12-14 17:45:23,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2021-12-14 17:45:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2021-12-14 17:45:23,183 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2021-12-14 17:45:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 17:45:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 17:45:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2021-12-14 17:45:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2021-12-14 17:45:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:45:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:45:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2021-12-14 17:45:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2021-12-14 17:45:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2021-12-14 17:45:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2021-12-14 17:45:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_carrier [2021-12-14 17:45:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_carrier [2021-12-14 17:45:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:45:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:45:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2021-12-14 17:45:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2021-12-14 17:45:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:45:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2021-12-14 17:45:23,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2021-12-14 17:45:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2021-12-14 17:45:23,186 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2021-12-14 17:45:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure team_fix_features [2021-12-14 17:45:23,186 INFO L138 BoogieDeclarations]: Found implementation of procedure team_fix_features [2021-12-14 17:45:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2021-12-14 17:45:23,187 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2021-12-14 17:45:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2021-12-14 17:45:23,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2021-12-14 17:45:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:45:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2021-12-14 17:45:23,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2021-12-14 17:45:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2021-12-14 17:45:23,188 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2021-12-14 17:45:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:45:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure team_select_queue [2021-12-14 17:45:23,189 INFO L138 BoogieDeclarations]: Found implementation of procedure team_select_queue [2021-12-14 17:45:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2021-12-14 17:45:23,189 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2021-12-14 17:45:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:45:23,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:45:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-12-14 17:45:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-12-14 17:45:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2021-12-14 17:45:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2021-12-14 17:45:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-12-14 17:45:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-12-14 17:45:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-14 17:45:23,192 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-14 17:45:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2021-12-14 17:45:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2021-12-14 17:45:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-14 17:45:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-14 17:45:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 17:45:23,194 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 17:45:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2021-12-14 17:45:23,194 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2021-12-14 17:45:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2021-12-14 17:45:23,198 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2021-12-14 17:45:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2021-12-14 17:45:23,199 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2021-12-14 17:45:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2021-12-14 17:45:23,199 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2021-12-14 17:45:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2021-12-14 17:45:23,199 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2021-12-14 17:45:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-14 17:45:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-14 17:45:23,199 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-14 17:45:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:45:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 17:45:23,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 17:45:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:45:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2021-12-14 17:45:23,200 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2021-12-14 17:45:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 17:45:23,200 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 17:45:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2021-12-14 17:45:23,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2021-12-14 17:45:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:45:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:45:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:45:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:45:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-12-14 17:45:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-12-14 17:45:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:45:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:45:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2021-12-14 17:45:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2021-12-14 17:45:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-12-14 17:45:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-12-14 17:45:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2021-12-14 17:45:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2021-12-14 17:45:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2021-12-14 17:45:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2021-12-14 17:45:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 17:45:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 17:45:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mtu [2021-12-14 17:45:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mtu [2021-12-14 17:45:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:45:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:45:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-12-14 17:45:23,203 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-12-14 17:45:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-14 17:45:23,203 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-14 17:45:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2021-12-14 17:45:23,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2021-12-14 17:45:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2021-12-14 17:45:23,203 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2021-12-14 17:45:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-14 17:45:23,203 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-14 17:45:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-14 17:45:23,203 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-14 17:45:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:45:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:45:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2021-12-14 17:45:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2021-12-14 17:45:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2021-12-14 17:45:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2021-12-14 17:45:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2021-12-14 17:45:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2021-12-14 17:45:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-12-14 17:45:23,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-12-14 17:45:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-12-14 17:45:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-12-14 17:45:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:45:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:45:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:45:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:45:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-14 17:45:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-14 17:45:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-12-14 17:45:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-12-14 17:45:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 17:45:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 17:45:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2021-12-14 17:45:23,207 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2021-12-14 17:45:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2021-12-14 17:45:23,207 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2021-12-14 17:45:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-12-14 17:45:23,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-12-14 17:45:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_stats64 [2021-12-14 17:45:23,207 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_stats64 [2021-12-14 17:45:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 17:45:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2021-12-14 17:45:23,208 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2021-12-14 17:45:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2021-12-14 17:45:23,208 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2021-12-14 17:45:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-14 17:45:23,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-14 17:45:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2021-12-14 17:45:23,208 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2021-12-14 17:45:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2021-12-14 17:45:23,208 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2021-12-14 17:45:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-14 17:45:23,209 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-14 17:45:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_add_vid [2021-12-14 17:45:23,209 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_add_vid [2021-12-14 17:45:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:45:23,209 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:45:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:45:23,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:45:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2021-12-14 17:45:23,209 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2021-12-14 17:45:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2021-12-14 17:45:23,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2021-12-14 17:45:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2021-12-14 17:45:23,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2021-12-14 17:45:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:45:23,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:45:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2021-12-14 17:45:23,210 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2021-12-14 17:45:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:45:23,210 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:45:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2021-12-14 17:45:23,211 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2021-12-14 17:45:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2021-12-14 17:45:23,214 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2021-12-14 17:45:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2021-12-14 17:45:23,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2021-12-14 17:45:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:45:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:45:23,215 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:45:23,215 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2021-12-14 17:45:23,215 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2021-12-14 17:45:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-14 17:45:23,216 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-14 17:45:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2021-12-14 17:45:23,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2021-12-14 17:45:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 17:45:23,216 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 17:45:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:45:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-14 17:45:23,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-14 17:45:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-14 17:45:23,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-14 17:45:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2021-12-14 17:45:23,217 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2021-12-14 17:45:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-12-14 17:45:23,217 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-12-14 17:45:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:45:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2021-12-14 17:45:23,217 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2021-12-14 17:45:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2021-12-14 17:45:23,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2021-12-14 17:45:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-12-14 17:45:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-12-14 17:45:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 17:45:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 17:45:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 17:45:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 17:45:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 17:45:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 17:45:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 17:45:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 17:45:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-12-14 17:45:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-12-14 17:45:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2021-12-14 17:45:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2021-12-14 17:45:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:45:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:45:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2021-12-14 17:45:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2021-12-14 17:45:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 17:45:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 17:45:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_rx_queues [2021-12-14 17:45:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_rx_queues [2021-12-14 17:45:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2021-12-14 17:45:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2021-12-14 17:45:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-12-14 17:45:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-12-14 17:45:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2021-12-14 17:45:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2021-12-14 17:45:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2021-12-14 17:45:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2021-12-14 17:45:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-14 17:45:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-14 17:45:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2021-12-14 17:45:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2021-12-14 17:45:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2021-12-14 17:45:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2021-12-14 17:45:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 17:45:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 17:45:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-14 17:45:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-14 17:45:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2021-12-14 17:45:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2021-12-14 17:45:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:45:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:45:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2021-12-14 17:45:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2021-12-14 17:45:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:45:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-12-14 17:45:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-12-14 17:45:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2021-12-14 17:45:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2021-12-14 17:45:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:45:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:45:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-12-14 17:45:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-12-14 17:45:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2021-12-14 17:45:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2021-12-14 17:45:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2021-12-14 17:45:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2021-12-14 17:45:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-12-14 17:45:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-12-14 17:45:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-12-14 17:45:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-12-14 17:45:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2021-12-14 17:45:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2021-12-14 17:45:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-12-14 17:45:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-12-14 17:45:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2021-12-14 17:45:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2021-12-14 17:45:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-12-14 17:45:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-12-14 17:45:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-14 17:45:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-14 17:45:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-14 17:45:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-14 17:45:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-12-14 17:45:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-12-14 17:45:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_rx_flags [2021-12-14 17:45:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_rx_flags [2021-12-14 17:45:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2021-12-14 17:45:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2021-12-14 17:45:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2021-12-14 17:45:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2021-12-14 17:45:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-14 17:45:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-14 17:45:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2021-12-14 17:45:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2021-12-14 17:45:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 17:45:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 17:45:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2021-12-14 17:45:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2021-12-14 17:45:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:45:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:45:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2021-12-14 17:45:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2021-12-14 17:45:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:45:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:45:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2021-12-14 17:45:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2021-12-14 17:45:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-12-14 17:45:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-12-14 17:45:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-14 17:45:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-14 17:45:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2021-12-14 17:45:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2021-12-14 17:45:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:45:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:45:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 17:45:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-12-14 17:45:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-12-14 17:45:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2021-12-14 17:45:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2021-12-14 17:45:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-12-14 17:45:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-12-14 17:45:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-12-14 17:45:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-12-14 17:45:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2021-12-14 17:45:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2021-12-14 17:45:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure team_newlink [2021-12-14 17:45:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure team_newlink [2021-12-14 17:45:24,012 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:45:24,015 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:45:24,247 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:45:26,860 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:45:26,873 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:45:26,874 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-14 17:45:26,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:45:26 BoogieIcfgContainer [2021-12-14 17:45:26,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:45:26,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:45:26,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:45:26,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:45:26,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:45:19" (1/3) ... [2021-12-14 17:45:26,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91f4bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:45:26, skipping insertion in model container [2021-12-14 17:45:26,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:45:22" (2/3) ... [2021-12-14 17:45:26,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91f4bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:45:26, skipping insertion in model container [2021-12-14 17:45:26,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:45:26" (3/3) ... [2021-12-14 17:45:26,883 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2021-12-14 17:45:26,886 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:45:26,887 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:45:26,923 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:45:26,928 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 [2021-12-14 17:45:26,928 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:45:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 2809 states, 2008 states have (on average 1.3834661354581674) internal successors, (2778), 2058 states have internal predecessors, (2778), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) [2021-12-14 17:45:26,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-14 17:45:26,982 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:26,983 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:45:26,983 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:26,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:26,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1787358380, now seen corresponding path program 1 times [2021-12-14 17:45:26,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:26,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785858953] [2021-12-14 17:45:26,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:26,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:45:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:45:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:45:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:45:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:45:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:45:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:45:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:45:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 17:45:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 17:45:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 17:45:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:45:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-14 17:45:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-14 17:45:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-12-14 17:45:27,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:27,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785858953] [2021-12-14 17:45:27,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785858953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:27,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:45:27,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:45:27,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341733116] [2021-12-14 17:45:27,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:27,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:45:27,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:27,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:45:27,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:45:27,647 INFO L87 Difference]: Start difference. First operand has 2809 states, 2008 states have (on average 1.3834661354581674) internal successors, (2778), 2058 states have internal predecessors, (2778), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 17:45:36,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:45:36,111 INFO L93 Difference]: Finished difference Result 9276 states and 13674 transitions. [2021-12-14 17:45:36,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:45:36,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 112 [2021-12-14 17:45:36,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:45:36,160 INFO L225 Difference]: With dead ends: 9276 [2021-12-14 17:45:36,160 INFO L226 Difference]: Without dead ends: 6442 [2021-12-14 17:45:36,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:45:36,188 INFO L933 BasicCegarLoop]: 3985 mSDtfsCounter, 9055 mSDsluCounter, 5963 mSDsCounter, 0 mSdLazyCounter, 4455 mSolverCounterSat, 4318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9411 SdHoareTripleChecker+Valid, 9948 SdHoareTripleChecker+Invalid, 8773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4318 IncrementalHoareTripleChecker+Valid, 4455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-14 17:45:36,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9411 Valid, 9948 Invalid, 8773 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4318 Valid, 4455 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-12-14 17:45:36,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6442 states. [2021-12-14 17:45:36,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6442 to 5512. [2021-12-14 17:45:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5512 states, 3951 states have (on average 1.3778790179701341) internal successors, (5444), 4034 states have internal predecessors, (5444), 1188 states have call successors, (1188), 373 states have call predecessors, (1188), 372 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2021-12-14 17:45:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5512 states to 5512 states and 7819 transitions. [2021-12-14 17:45:36,512 INFO L78 Accepts]: Start accepts. Automaton has 5512 states and 7819 transitions. Word has length 112 [2021-12-14 17:45:36,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:45:36,513 INFO L470 AbstractCegarLoop]: Abstraction has 5512 states and 7819 transitions. [2021-12-14 17:45:36,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 17:45:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5512 states and 7819 transitions. [2021-12-14 17:45:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-14 17:45:36,517 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:36,518 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:45:36,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:45:36,518 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:36,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:36,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1654104793, now seen corresponding path program 1 times [2021-12-14 17:45:36,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:36,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235572718] [2021-12-14 17:45:36,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:36,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:45:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:45:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:45:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:45:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:45:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:45:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:45:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:45:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 17:45:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 17:45:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 17:45:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:45:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-12-14 17:45:36,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:36,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235572718] [2021-12-14 17:45:36,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235572718] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:36,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:45:36,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:45:36,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982659539] [2021-12-14 17:45:36,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:36,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:45:36,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:36,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:45:36,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:45:36,878 INFO L87 Difference]: Start difference. First operand 5512 states and 7819 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-14 17:45:43,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:45:43,193 INFO L93 Difference]: Finished difference Result 12374 states and 17899 transitions. [2021-12-14 17:45:43,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:45:43,193 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 110 [2021-12-14 17:45:43,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:45:43,229 INFO L225 Difference]: With dead ends: 12374 [2021-12-14 17:45:43,229 INFO L226 Difference]: Without dead ends: 6894 [2021-12-14 17:45:43,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-12-14 17:45:43,251 INFO L933 BasicCegarLoop]: 4172 mSDtfsCounter, 6976 mSDsluCounter, 6820 mSDsCounter, 0 mSdLazyCounter, 3756 mSolverCounterSat, 2746 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7297 SdHoareTripleChecker+Valid, 10992 SdHoareTripleChecker+Invalid, 6502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2746 IncrementalHoareTripleChecker+Valid, 3756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-14 17:45:43,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7297 Valid, 10992 Invalid, 6502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2746 Valid, 3756 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-14 17:45:43,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6894 states. [2021-12-14 17:45:43,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6894 to 5514. [2021-12-14 17:45:43,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5514 states, 3953 states have (on average 1.3774348596003037) internal successors, (5445), 4036 states have internal predecessors, (5445), 1188 states have call successors, (1188), 373 states have call predecessors, (1188), 372 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2021-12-14 17:45:43,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5514 states to 5514 states and 7820 transitions. [2021-12-14 17:45:43,430 INFO L78 Accepts]: Start accepts. Automaton has 5514 states and 7820 transitions. Word has length 110 [2021-12-14 17:45:43,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:45:43,432 INFO L470 AbstractCegarLoop]: Abstraction has 5514 states and 7820 transitions. [2021-12-14 17:45:43,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-14 17:45:43,432 INFO L276 IsEmpty]: Start isEmpty. Operand 5514 states and 7820 transitions. [2021-12-14 17:45:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-14 17:45:43,436 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:43,437 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:45:43,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:45:43,437 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:43,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:43,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1595905571, now seen corresponding path program 1 times [2021-12-14 17:45:43,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:43,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217864187] [2021-12-14 17:45:43,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:43,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:45:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:45:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:45:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:45:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:45:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:45:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:45:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:45:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 17:45:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 17:45:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 17:45:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:45:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 17:45:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-12-14 17:45:43,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:43,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217864187] [2021-12-14 17:45:43,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217864187] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:43,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:45:43,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 17:45:43,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549331900] [2021-12-14 17:45:43,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:43,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 17:45:43,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:43,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 17:45:43,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 17:45:43,931 INFO L87 Difference]: Start difference. First operand 5514 states and 7820 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 17:45:53,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:45:53,556 INFO L93 Difference]: Finished difference Result 18321 states and 26740 transitions. [2021-12-14 17:45:53,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 17:45:53,557 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 111 [2021-12-14 17:45:53,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:45:53,629 INFO L225 Difference]: With dead ends: 18321 [2021-12-14 17:45:53,630 INFO L226 Difference]: Without dead ends: 12824 [2021-12-14 17:45:53,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-12-14 17:45:53,655 INFO L933 BasicCegarLoop]: 4327 mSDtfsCounter, 8839 mSDsluCounter, 13601 mSDsCounter, 0 mSdLazyCounter, 7621 mSolverCounterSat, 4128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9179 SdHoareTripleChecker+Valid, 17928 SdHoareTripleChecker+Invalid, 11749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4128 IncrementalHoareTripleChecker+Valid, 7621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-12-14 17:45:53,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9179 Valid, 17928 Invalid, 11749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4128 Valid, 7621 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2021-12-14 17:45:53,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12824 states. [2021-12-14 17:45:53,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12824 to 11294. [2021-12-14 17:45:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11294 states, 8084 states have (on average 1.375804057397328) internal successors, (11122), 8270 states have internal predecessors, (11122), 2419 states have call successors, (2419), 743 states have call predecessors, (2419), 790 states have return successors, (2673), 2398 states have call predecessors, (2673), 2418 states have call successors, (2673) [2021-12-14 17:45:54,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11294 states to 11294 states and 16214 transitions. [2021-12-14 17:45:54,053 INFO L78 Accepts]: Start accepts. Automaton has 11294 states and 16214 transitions. Word has length 111 [2021-12-14 17:45:54,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:45:54,054 INFO L470 AbstractCegarLoop]: Abstraction has 11294 states and 16214 transitions. [2021-12-14 17:45:54,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 17:45:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 11294 states and 16214 transitions. [2021-12-14 17:45:54,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-14 17:45:54,076 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:45:54,076 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:45:54,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 17:45:54,077 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:45:54,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:45:54,077 INFO L85 PathProgramCache]: Analyzing trace with hash 209247823, now seen corresponding path program 1 times [2021-12-14 17:45:54,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:45:54,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38266270] [2021-12-14 17:45:54,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:45:54,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:45:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:45:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:45:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:45:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:45:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:45:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:45:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:45:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:45:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:45:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:45:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 17:45:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 17:45:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 17:45:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:45:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 17:45:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 17:45:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 17:45:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-14 17:45:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:45:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:45:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:45:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 17:45:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:45:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:45:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 17:45:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-14 17:45:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-14 17:45:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:45:54,643 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-12-14 17:45:54,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:45:54,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38266270] [2021-12-14 17:45:54,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38266270] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:45:54,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:45:54,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:45:54,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072771272] [2021-12-14 17:45:54,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:45:54,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:45:54,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:45:54,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:45:54,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:45:54,646 INFO L87 Difference]: Start difference. First operand 11294 states and 16214 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-14 17:46:02,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:46:02,915 INFO L93 Difference]: Finished difference Result 30313 states and 44034 transitions. [2021-12-14 17:46:02,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 17:46:02,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 250 [2021-12-14 17:46:02,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:46:03,047 INFO L225 Difference]: With dead ends: 30313 [2021-12-14 17:46:03,047 INFO L226 Difference]: Without dead ends: 19051 [2021-12-14 17:46:03,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-14 17:46:03,093 INFO L933 BasicCegarLoop]: 3980 mSDtfsCounter, 9026 mSDsluCounter, 5960 mSDsCounter, 0 mSdLazyCounter, 4813 mSolverCounterSat, 4129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9533 SdHoareTripleChecker+Valid, 9940 SdHoareTripleChecker+Invalid, 8942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4129 IncrementalHoareTripleChecker+Valid, 4813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-12-14 17:46:03,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9533 Valid, 9940 Invalid, 8942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4129 Valid, 4813 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2021-12-14 17:46:03,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19051 states. [2021-12-14 17:46:03,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19051 to 17006. [2021-12-14 17:46:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17006 states, 12184 states have (on average 1.3721273801707157) internal successors, (16718), 12450 states have internal predecessors, (16718), 3584 states have call successors, (3584), 1111 states have call predecessors, (3584), 1237 states have return successors, (4111), 3616 states have call predecessors, (4111), 3583 states have call successors, (4111) [2021-12-14 17:46:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17006 states to 17006 states and 24413 transitions. [2021-12-14 17:46:03,735 INFO L78 Accepts]: Start accepts. Automaton has 17006 states and 24413 transitions. Word has length 250 [2021-12-14 17:46:03,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:46:03,736 INFO L470 AbstractCegarLoop]: Abstraction has 17006 states and 24413 transitions. [2021-12-14 17:46:03,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-14 17:46:03,736 INFO L276 IsEmpty]: Start isEmpty. Operand 17006 states and 24413 transitions. [2021-12-14 17:46:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-12-14 17:46:03,770 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:03,771 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:46:03,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 17:46:03,771 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:03,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:03,771 INFO L85 PathProgramCache]: Analyzing trace with hash 486852609, now seen corresponding path program 1 times [2021-12-14 17:46:03,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:46:03,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354783074] [2021-12-14 17:46:03,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:03,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:46:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:46:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:46:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:46:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:46:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:46:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:46:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:46:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:46:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:46:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:46:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 17:46:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 17:46:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 17:46:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:46:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-14 17:46:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:46:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:46:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 17:46:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:46:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:46:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-14 17:46:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-14 17:46:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:46:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:46:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 17:46:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:46:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 17:46:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-14 17:46:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 17:46:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-14 17:46:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-12-14 17:46:04,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:46:04,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354783074] [2021-12-14 17:46:04,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354783074] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:04,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:04,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 17:46:04,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836186228] [2021-12-14 17:46:04,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:04,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 17:46:04,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:46:04,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 17:46:04,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:46:04,227 INFO L87 Difference]: Start difference. First operand 17006 states and 24413 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-14 17:46:15,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:46:15,093 INFO L93 Difference]: Finished difference Result 36773 states and 54046 transitions. [2021-12-14 17:46:15,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 17:46:15,095 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 258 [2021-12-14 17:46:15,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:46:15,209 INFO L225 Difference]: With dead ends: 36773 [2021-12-14 17:46:15,209 INFO L226 Difference]: Without dead ends: 19799 [2021-12-14 17:46:15,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2021-12-14 17:46:15,260 INFO L933 BasicCegarLoop]: 5452 mSDtfsCounter, 8243 mSDsluCounter, 15302 mSDsCounter, 0 mSdLazyCounter, 10680 mSolverCounterSat, 4799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8802 SdHoareTripleChecker+Valid, 20754 SdHoareTripleChecker+Invalid, 15479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4799 IncrementalHoareTripleChecker+Valid, 10680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-14 17:46:15,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8802 Valid, 20754 Invalid, 15479 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4799 Valid, 10680 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2021-12-14 17:46:15,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19799 states. [2021-12-14 17:46:15,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19799 to 16583. [2021-12-14 17:46:15,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16583 states, 11797 states have (on average 1.3526320250911248) internal successors, (15957), 12076 states have internal predecessors, (15957), 3520 states have call successors, (3520), 1129 states have call predecessors, (3520), 1265 states have return successors, (4066), 3554 states have call predecessors, (4066), 3519 states have call successors, (4066) [2021-12-14 17:46:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16583 states to 16583 states and 23543 transitions. [2021-12-14 17:46:15,884 INFO L78 Accepts]: Start accepts. Automaton has 16583 states and 23543 transitions. Word has length 258 [2021-12-14 17:46:15,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:46:15,884 INFO L470 AbstractCegarLoop]: Abstraction has 16583 states and 23543 transitions. [2021-12-14 17:46:15,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-14 17:46:15,885 INFO L276 IsEmpty]: Start isEmpty. Operand 16583 states and 23543 transitions. [2021-12-14 17:46:15,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-14 17:46:15,915 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:15,915 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:46:15,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 17:46:15,915 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:15,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:15,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1195977160, now seen corresponding path program 1 times [2021-12-14 17:46:15,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:46:15,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497382775] [2021-12-14 17:46:15,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:15,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:46:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:46:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:46:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:46:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:46:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:46:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:46:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:46:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:46:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:46:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-14 17:46:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-14 17:46:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-14 17:46:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-14 17:46:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:46:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 17:46:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-14 17:46:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-14 17:46:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-14 17:46:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-14 17:46:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 17:46:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-14 17:46:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 17:46:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-14 17:46:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:46:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 17:46:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:46:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 17:46:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 17:46:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:46:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-14 17:46:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-14 17:46:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-14 17:46:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-14 17:46:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-12-14 17:46:16,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:46:16,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497382775] [2021-12-14 17:46:16,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497382775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:16,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:16,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-14 17:46:16,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431807715] [2021-12-14 17:46:16,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:16,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-14 17:46:16,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:46:16,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-14 17:46:16,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-14 17:46:16,589 INFO L87 Difference]: Start difference. First operand 16583 states and 23543 transitions. Second operand has 12 states, 12 states have (on average 13.75) internal successors, (165), 7 states have internal predecessors, (165), 2 states have call successors, (41), 5 states have call predecessors, (41), 4 states have return successors, (40), 4 states have call predecessors, (40), 2 states have call successors, (40)