./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 ff03de63 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-dev-ff03de6 [2021-12-21 16:12:58,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:12:58,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:12:58,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:12:58,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:12:58,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:12:58,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:12:58,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:12:58,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:12:58,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:12:58,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:12:58,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:12:58,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:12:58,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:12:58,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:12:58,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:12:58,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:12:58,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:12:58,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:12:58,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:12:58,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:12:58,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:12:58,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:12:58,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:12:58,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:12:58,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:12:58,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:12:58,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:12:58,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:12:58,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:12:58,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:12:58,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:12:58,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:12:58,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:12:58,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:12:58,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:12:58,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:12:58,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:12:58,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:12:58,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:12:58,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:12:58,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:12:58,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:12:58,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:12:58,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:12:58,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:12:58,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:12:58,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:12:58,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:12:58,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:12:58,734 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:12:58,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:12:58,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:12:58,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:12:58,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:12:58,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:12:58,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:12:58,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:12:58,736 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:12:58,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:12:58,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:12:58,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:12:58,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:12:58,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:12:58,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:12:58,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:12:58,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:12:58,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:12:58,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:12:58,738 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:12:58,738 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:12:58,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:12:58,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:12:58,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf [2021-12-21 16:12:58,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:12:58,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:12:58,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:12:58,932 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:12:58,933 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:12:58,933 INFO L432 ainManager$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 [2021-12-21 16:12:58,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0d571e88/13b5b72853844affa897071ae91cb136/FLAG68fba3cad [2021-12-21 16:12:59,564 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:12:59,565 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 [2021-12-21 16:12:59,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0d571e88/13b5b72853844affa897071ae91cb136/FLAG68fba3cad [2021-12-21 16:12:59,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0d571e88/13b5b72853844affa897071ae91cb136 [2021-12-21 16:12:59,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:12:59,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:12:59,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:12:59,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:12:59,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:12:59,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:12:59" (1/1) ... [2021-12-21 16:12:59,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccfb2be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:12:59, skipping insertion in model container [2021-12-21 16:12:59,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:12:59" (1/1) ... [2021-12-21 16:12:59,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:12:59,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:13:00,850 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] [2021-12-21 16:13:01,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:13:02,024 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:13:02,118 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] [2021-12-21 16:13:02,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:13:02,561 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:13:02,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02 WrapperNode [2021-12-21 16:13:02,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:13:02,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:13:02,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:13:02,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:13:02,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02" (1/1) ... [2021-12-21 16:13:02,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02" (1/1) ... [2021-12-21 16:13:02,832 INFO L137 Inliner]: procedures = 449, calls = 2520, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 6344 [2021-12-21 16:13:02,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:13:02,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:13:02,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:13:02,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:13:02,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02" (1/1) ... [2021-12-21 16:13:02,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02" (1/1) ... [2021-12-21 16:13:02,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02" (1/1) ... [2021-12-21 16:13:02,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02" (1/1) ... [2021-12-21 16:13:03,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02" (1/1) ... [2021-12-21 16:13:03,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02" (1/1) ... [2021-12-21 16:13:03,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02" (1/1) ... [2021-12-21 16:13:03,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:13:03,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:13:03,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:13:03,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:13:03,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02" (1/1) ... [2021-12-21 16:13:03,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:13:03,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:13:03,124 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) [2021-12-21 16:13:03,145 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 [2021-12-21 16:13:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-21 16:13:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-21 16:13:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2021-12-21 16:13:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2021-12-21 16:13:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2021-12-21 16:13:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2021-12-21 16:13:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2021-12-21 16:13:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2021-12-21 16:13:03,156 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-12-21 16:13:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-12-21 16:13:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2021-12-21 16:13:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2021-12-21 16:13:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-21 16:13:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-21 16:13:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:13:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:13:03,157 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-12-21 16:13:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-12-21 16:13:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-12-21 16:13:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-12-21 16:13:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-12-21 16:13:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-12-21 16:13:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-21 16:13:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-21 16:13:03,158 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2021-12-21 16:13:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2021-12-21 16:13:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-21 16:13:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-21 16:13:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-21 16:13:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-21 16:13:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-21 16:13:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-21 16:13:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-12-21 16:13:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-12-21 16:13:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2021-12-21 16:13:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2021-12-21 16:13:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2021-12-21 16:13:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2021-12-21 16:13:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2021-12-21 16:13:03,160 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2021-12-21 16:13:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2021-12-21 16:13:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2021-12-21 16:13:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-21 16:13:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-21 16:13:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 16:13:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 16:13:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2021-12-21 16:13:03,161 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2021-12-21 16:13:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-21 16:13:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-21 16:13:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2021-12-21 16:13:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2021-12-21 16:13:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-12-21 16:13:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-12-21 16:13:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2021-12-21 16:13:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2021-12-21 16:13:03,163 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_tx_queues [2021-12-21 16:13:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_tx_queues [2021-12-21 16:13:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2021-12-21 16:13:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2021-12-21 16:13:03,164 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2021-12-21 16:13:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2021-12-21 16:13:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:13:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-12-21 16:13:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-12-21 16:13:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_kill_vid [2021-12-21 16:13:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_kill_vid [2021-12-21 16:13:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2021-12-21 16:13:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2021-12-21 16:13:03,165 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2021-12-21 16:13:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2021-12-21 16:13:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2021-12-21 16:13:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2021-12-21 16:13:03,166 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:13:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:13:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2021-12-21 16:13:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2021-12-21 16:13:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:13:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:13:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2021-12-21 16:13:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2021-12-21 16:13:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2021-12-21 16:13:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2021-12-21 16:13:03,167 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_carrier [2021-12-21 16:13:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_carrier [2021-12-21 16:13:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:13:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:13:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2021-12-21 16:13:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2021-12-21 16:13:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:13:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2021-12-21 16:13:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2021-12-21 16:13:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2021-12-21 16:13:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2021-12-21 16:13:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure team_fix_features [2021-12-21 16:13:03,169 INFO L138 BoogieDeclarations]: Found implementation of procedure team_fix_features [2021-12-21 16:13:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2021-12-21 16:13:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2021-12-21 16:13:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2021-12-21 16:13:03,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2021-12-21 16:13:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:13:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2021-12-21 16:13:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2021-12-21 16:13:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2021-12-21 16:13:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2021-12-21 16:13:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:13:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure team_select_queue [2021-12-21 16:13:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure team_select_queue [2021-12-21 16:13:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2021-12-21 16:13:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2021-12-21 16:13:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:13:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:13:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-12-21 16:13:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-12-21 16:13:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2021-12-21 16:13:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2021-12-21 16:13:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-12-21 16:13:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-12-21 16:13:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-21 16:13:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-21 16:13:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2021-12-21 16:13:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2021-12-21 16:13:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-21 16:13:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-21 16:13:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-21 16:13:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-21 16:13:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2021-12-21 16:13:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2021-12-21 16:13:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2021-12-21 16:13:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2021-12-21 16:13:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2021-12-21 16:13:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2021-12-21 16:13:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2021-12-21 16:13:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2021-12-21 16:13:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2021-12-21 16:13:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2021-12-21 16:13:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-21 16:13:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-21 16:13:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-21 16:13:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:13:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 16:13:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 16:13:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:13:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2021-12-21 16:13:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2021-12-21 16:13:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 16:13:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 16:13:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2021-12-21 16:13:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2021-12-21 16:13:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:13:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:13:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:13:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:13:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-12-21 16:13:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-12-21 16:13:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:13:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:13:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2021-12-21 16:13:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2021-12-21 16:13:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-12-21 16:13:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-12-21 16:13:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2021-12-21 16:13:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2021-12-21 16:13:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2021-12-21 16:13:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2021-12-21 16:13:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-21 16:13:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-21 16:13:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mtu [2021-12-21 16:13:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mtu [2021-12-21 16:13:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:13:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:13:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-12-21 16:13:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-12-21 16:13:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-21 16:13:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-21 16:13:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2021-12-21 16:13:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2021-12-21 16:13:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2021-12-21 16:13:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2021-12-21 16:13:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-21 16:13:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-21 16:13:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-21 16:13:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-21 16:13:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:13:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:13:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2021-12-21 16:13:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2021-12-21 16:13:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2021-12-21 16:13:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2021-12-21 16:13:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2021-12-21 16:13:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2021-12-21 16:13:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-12-21 16:13:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-12-21 16:13:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-12-21 16:13:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-12-21 16:13:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:13:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:13:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:13:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:13:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-21 16:13:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-21 16:13:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-12-21 16:13:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-12-21 16:13:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 16:13:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 16:13:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2021-12-21 16:13:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2021-12-21 16:13:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2021-12-21 16:13:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2021-12-21 16:13:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-12-21 16:13:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-12-21 16:13:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_stats64 [2021-12-21 16:13:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_stats64 [2021-12-21 16:13:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-21 16:13:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2021-12-21 16:13:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2021-12-21 16:13:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2021-12-21 16:13:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2021-12-21 16:13:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-21 16:13:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-21 16:13:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2021-12-21 16:13:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2021-12-21 16:13:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2021-12-21 16:13:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2021-12-21 16:13:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-21 16:13:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-21 16:13:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_add_vid [2021-12-21 16:13:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_add_vid [2021-12-21 16:13:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:13:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:13:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:13:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:13:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2021-12-21 16:13:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2021-12-21 16:13:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2021-12-21 16:13:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2021-12-21 16:13:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2021-12-21 16:13:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2021-12-21 16:13:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:13:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:13:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2021-12-21 16:13:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2021-12-21 16:13:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:13:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:13:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2021-12-21 16:13:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2021-12-21 16:13:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2021-12-21 16:13:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2021-12-21 16:13:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2021-12-21 16:13:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2021-12-21 16:13:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:13:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:13:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:13:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2021-12-21 16:13:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2021-12-21 16:13:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-21 16:13:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-21 16:13:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2021-12-21 16:13:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2021-12-21 16:13:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 16:13:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 16:13:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:13:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-21 16:13:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-21 16:13:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-21 16:13:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-21 16:13:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2021-12-21 16:13:03,199 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2021-12-21 16:13:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-12-21 16:13:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-12-21 16:13:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:13:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2021-12-21 16:13:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2021-12-21 16:13:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2021-12-21 16:13:03,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2021-12-21 16:13:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-12-21 16:13:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-12-21 16:13:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:13:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:13:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:13:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:13:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:13:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:13:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-21 16:13:03,201 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-21 16:13:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-12-21 16:13:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-12-21 16:13:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2021-12-21 16:13:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2021-12-21 16:13:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:13:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:13:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2021-12-21 16:13:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2021-12-21 16:13:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:13:03,202 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:13:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_rx_queues [2021-12-21 16:13:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_rx_queues [2021-12-21 16:13:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2021-12-21 16:13:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2021-12-21 16:13:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-12-21 16:13:03,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-12-21 16:13:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2021-12-21 16:13:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2021-12-21 16:13:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2021-12-21 16:13:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2021-12-21 16:13:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-21 16:13:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-21 16:13:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2021-12-21 16:13:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2021-12-21 16:13:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2021-12-21 16:13:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2021-12-21 16:13:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:13:03,204 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:13:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-21 16:13:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-21 16:13:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2021-12-21 16:13:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2021-12-21 16:13:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:13:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:13:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2021-12-21 16:13:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2021-12-21 16:13:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:13:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-12-21 16:13:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-12-21 16:13:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2021-12-21 16:13:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2021-12-21 16:13:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:13:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:13:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-12-21 16:13:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-12-21 16:13:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2021-12-21 16:13:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2021-12-21 16:13:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2021-12-21 16:13:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2021-12-21 16:13:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-12-21 16:13:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-12-21 16:13:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-12-21 16:13:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-12-21 16:13:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2021-12-21 16:13:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2021-12-21 16:13:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-12-21 16:13:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-12-21 16:13:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2021-12-21 16:13:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2021-12-21 16:13:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-12-21 16:13:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-12-21 16:13:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-21 16:13:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-21 16:13:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-21 16:13:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-21 16:13:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-12-21 16:13:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-12-21 16:13:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_rx_flags [2021-12-21 16:13:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_rx_flags [2021-12-21 16:13:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2021-12-21 16:13:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2021-12-21 16:13:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2021-12-21 16:13:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2021-12-21 16:13:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-21 16:13:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-21 16:13:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2021-12-21 16:13:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2021-12-21 16:13:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-21 16:13:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-21 16:13:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2021-12-21 16:13:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2021-12-21 16:13:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:13:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:13:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2021-12-21 16:13:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2021-12-21 16:13:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:13:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:13:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2021-12-21 16:13:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2021-12-21 16:13:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-12-21 16:13:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-12-21 16:13:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-21 16:13:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-21 16:13:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2021-12-21 16:13:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2021-12-21 16:13:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:13:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 16:13:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 16:13:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-12-21 16:13:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-12-21 16:13:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2021-12-21 16:13:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2021-12-21 16:13:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-12-21 16:13:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-12-21 16:13:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-12-21 16:13:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-12-21 16:13:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2021-12-21 16:13:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2021-12-21 16:13:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure team_newlink [2021-12-21 16:13:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure team_newlink [2021-12-21 16:13:04,039 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:13:04,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:13:04,257 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:13:07,025 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:13:07,038 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:13:07,038 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-21 16:13:07,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:13:07 BoogieIcfgContainer [2021-12-21 16:13:07,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:13:07,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:13:07,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:13:07,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:13:07,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:12:59" (1/3) ... [2021-12-21 16:13:07,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bccebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:13:07, skipping insertion in model container [2021-12-21 16:13:07,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:02" (2/3) ... [2021-12-21 16:13:07,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bccebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:13:07, skipping insertion in model container [2021-12-21 16:13:07,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:13:07" (3/3) ... [2021-12-21 16:13:07,047 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 [2021-12-21 16:13:07,050 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:13:07,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:13:07,087 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:13:07,091 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 [2021-12-21 16:13:07,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:13:07,129 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) [2021-12-21 16:13:07,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-21 16:13:07,140 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:13:07,140 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] [2021-12-21 16:13:07,141 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:13:07,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:13:07,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1787358380, now seen corresponding path program 1 times [2021-12-21 16:13:07,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:13:07,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821947849] [2021-12-21 16:13:07,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:13:07,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:13:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:13:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:13:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:13:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:13:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:13:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:13:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:13:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:13:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:13:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:13:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 16:13:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 16:13:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 16:13:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:13:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 16:13:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 16:13:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-12-21 16:13:07,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:13:07,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821947849] [2021-12-21 16:13:07,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821947849] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:13:07,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:13:07,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:13:07,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845533391] [2021-12-21 16:13:07,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:13:07,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:13:07,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:13:07,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:13:07,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:13:07,794 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) [2021-12-21 16:13:15,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:13:15,965 INFO L93 Difference]: Finished difference Result 9276 states and 13674 transitions. [2021-12-21 16:13:15,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:13:15,967 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 [2021-12-21 16:13:15,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:13:16,011 INFO L225 Difference]: With dead ends: 9276 [2021-12-21 16:13:16,011 INFO L226 Difference]: Without dead ends: 6442 [2021-12-21 16:13:16,028 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 [2021-12-21 16:13:16,034 INFO L933 BasicCegarLoop]: 4009 mSDtfsCounter, 9001 mSDsluCounter, 5958 mSDsCounter, 0 mSdLazyCounter, 4471 mSolverCounterSat, 4288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9358 SdHoareTripleChecker+Valid, 9967 SdHoareTripleChecker+Invalid, 8759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4288 IncrementalHoareTripleChecker+Valid, 4471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-12-21 16:13:16,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9358 Valid, 9967 Invalid, 8759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4288 Valid, 4471 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-12-21 16:13:16,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6442 states. [2021-12-21 16:13:16,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6442 to 5512. [2021-12-21 16:13:16,329 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) [2021-12-21 16:13:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5512 states to 5512 states and 7819 transitions. [2021-12-21 16:13:16,361 INFO L78 Accepts]: Start accepts. Automaton has 5512 states and 7819 transitions. Word has length 112 [2021-12-21 16:13:16,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:13:16,363 INFO L470 AbstractCegarLoop]: Abstraction has 5512 states and 7819 transitions. [2021-12-21 16:13:16,363 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) [2021-12-21 16:13:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 5512 states and 7819 transitions. [2021-12-21 16:13:16,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-12-21 16:13:16,369 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:13:16,369 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] [2021-12-21 16:13:16,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:13:16,370 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:13:16,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:13:16,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1654104793, now seen corresponding path program 1 times [2021-12-21 16:13:16,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:13:16,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286857447] [2021-12-21 16:13:16,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:13:16,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:13:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:13:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:13:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:13:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:13:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:13:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:13:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:13:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:13:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:13:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:13:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 16:13:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 16:13:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 16:13:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:13:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-12-21 16:13:16,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:13:16,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286857447] [2021-12-21 16:13:16,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286857447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:13:16,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:13:16,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:13:16,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582346777] [2021-12-21 16:13:16,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:13:16,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:13:16,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:13:16,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:13:16,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:13:16,747 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) [2021-12-21 16:13:22,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:13:22,614 INFO L93 Difference]: Finished difference Result 12374 states and 17899 transitions. [2021-12-21 16:13:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:13:22,614 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 [2021-12-21 16:13:22,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:13:22,648 INFO L225 Difference]: With dead ends: 12374 [2021-12-21 16:13:22,648 INFO L226 Difference]: Without dead ends: 6894 [2021-12-21 16:13:22,668 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 [2021-12-21 16:13:22,670 INFO L933 BasicCegarLoop]: 4201 mSDtfsCounter, 6932 mSDsluCounter, 6841 mSDsCounter, 0 mSdLazyCounter, 3767 mSolverCounterSat, 2733 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7250 SdHoareTripleChecker+Valid, 11042 SdHoareTripleChecker+Invalid, 6500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2733 IncrementalHoareTripleChecker+Valid, 3767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-21 16:13:22,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7250 Valid, 11042 Invalid, 6500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2733 Valid, 3767 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-12-21 16:13:22,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6894 states. [2021-12-21 16:13:22,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6894 to 5514. [2021-12-21 16:13:22,955 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) [2021-12-21 16:13:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5514 states to 5514 states and 7820 transitions. [2021-12-21 16:13:22,973 INFO L78 Accepts]: Start accepts. Automaton has 5514 states and 7820 transitions. Word has length 110 [2021-12-21 16:13:22,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:13:22,973 INFO L470 AbstractCegarLoop]: Abstraction has 5514 states and 7820 transitions. [2021-12-21 16:13:22,973 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) [2021-12-21 16:13:22,974 INFO L276 IsEmpty]: Start isEmpty. Operand 5514 states and 7820 transitions. [2021-12-21 16:13:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-21 16:13:22,980 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:13:22,981 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] [2021-12-21 16:13:22,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:13:22,981 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:13:22,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:13:22,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1595905571, now seen corresponding path program 1 times [2021-12-21 16:13:22,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:13:22,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664558783] [2021-12-21 16:13:22,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:13:22,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:13:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:13:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:13:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:13:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:13:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:13:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:13:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:13:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:13:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:13:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:13:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 16:13:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 16:13:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 16:13:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:13:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-21 16:13:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:23,280 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-12-21 16:13:23,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:13:23,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664558783] [2021-12-21 16:13:23,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664558783] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:13:23,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:13:23,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:13:23,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474346081] [2021-12-21 16:13:23,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:13:23,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:13:23,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:13:23,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:13:23,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:13:23,286 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) [2021-12-21 16:13:33,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:13:33,320 INFO L93 Difference]: Finished difference Result 18321 states and 26740 transitions. [2021-12-21 16:13:33,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 16:13:33,321 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 [2021-12-21 16:13:33,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:13:33,385 INFO L225 Difference]: With dead ends: 18321 [2021-12-21 16:13:33,385 INFO L226 Difference]: Without dead ends: 12824 [2021-12-21 16:13:33,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-12-21 16:13:33,411 INFO L933 BasicCegarLoop]: 4302 mSDtfsCounter, 8879 mSDsluCounter, 13554 mSDsCounter, 0 mSdLazyCounter, 7616 mSolverCounterSat, 4153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9219 SdHoareTripleChecker+Valid, 17856 SdHoareTripleChecker+Invalid, 11769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4153 IncrementalHoareTripleChecker+Valid, 7616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:13:33,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9219 Valid, 17856 Invalid, 11769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4153 Valid, 7616 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2021-12-21 16:13:33,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12824 states. [2021-12-21 16:13:33,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12824 to 11294. [2021-12-21 16:13:33,828 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) [2021-12-21 16:13:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11294 states to 11294 states and 16214 transitions. [2021-12-21 16:13:33,871 INFO L78 Accepts]: Start accepts. Automaton has 11294 states and 16214 transitions. Word has length 111 [2021-12-21 16:13:33,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:13:33,871 INFO L470 AbstractCegarLoop]: Abstraction has 11294 states and 16214 transitions. [2021-12-21 16:13:33,872 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) [2021-12-21 16:13:33,872 INFO L276 IsEmpty]: Start isEmpty. Operand 11294 states and 16214 transitions. [2021-12-21 16:13:33,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-21 16:13:33,892 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:13:33,892 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] [2021-12-21 16:13:33,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 16:13:33,893 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:13:33,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:13:33,893 INFO L85 PathProgramCache]: Analyzing trace with hash 209247823, now seen corresponding path program 1 times [2021-12-21 16:13:33,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:13:33,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674196108] [2021-12-21 16:13:33,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:13:33,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:13:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:13:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:13:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:13:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:13:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:13:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:13:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:13:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:13:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:13:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:13:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 16:13:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 16:13:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 16:13:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:13:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 16:13:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 16:13:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 16:13:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 16:13:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:13:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 16:13:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:13:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 16:13:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:13:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-21 16:13:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 16:13:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-21 16:13:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-12-21 16:13:34,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:13:34,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674196108] [2021-12-21 16:13:34,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674196108] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:13:34,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:13:34,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:13:34,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904119146] [2021-12-21 16:13:34,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:13:34,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:13:34,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:13:34,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:13:34,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:13:34,487 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) [2021-12-21 16:13:43,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:13:43,749 INFO L93 Difference]: Finished difference Result 30313 states and 44034 transitions. [2021-12-21 16:13:43,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 16:13:43,750 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 [2021-12-21 16:13:43,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:13:43,827 INFO L225 Difference]: With dead ends: 30313 [2021-12-21 16:13:43,827 INFO L226 Difference]: Without dead ends: 19051 [2021-12-21 16:13:43,868 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 [2021-12-21 16:13:43,870 INFO L933 BasicCegarLoop]: 3979 mSDtfsCounter, 8993 mSDsluCounter, 6015 mSDsCounter, 0 mSdLazyCounter, 4819 mSolverCounterSat, 4108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9503 SdHoareTripleChecker+Valid, 9994 SdHoareTripleChecker+Invalid, 8927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4108 IncrementalHoareTripleChecker+Valid, 4819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:13:43,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9503 Valid, 9994 Invalid, 8927 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4108 Valid, 4819 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2021-12-21 16:13:43,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19051 states. [2021-12-21 16:13:44,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19051 to 17006. [2021-12-21 16:13:44,393 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) [2021-12-21 16:13:44,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17006 states to 17006 states and 24413 transitions. [2021-12-21 16:13:44,452 INFO L78 Accepts]: Start accepts. Automaton has 17006 states and 24413 transitions. Word has length 250 [2021-12-21 16:13:44,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:13:44,453 INFO L470 AbstractCegarLoop]: Abstraction has 17006 states and 24413 transitions. [2021-12-21 16:13:44,453 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) [2021-12-21 16:13:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 17006 states and 24413 transitions. [2021-12-21 16:13:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-12-21 16:13:44,601 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:13:44,601 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] [2021-12-21 16:13:44,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 16:13:44,601 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:13:44,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:13:44,603 INFO L85 PathProgramCache]: Analyzing trace with hash 486852609, now seen corresponding path program 1 times [2021-12-21 16:13:44,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:13:44,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861393338] [2021-12-21 16:13:44,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:13:44,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:13:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:13:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:13:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:13:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:13:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:13:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:13:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:13:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:13:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:13:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:13:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 16:13:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 16:13:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 16:13:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:13:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-21 16:13:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:13:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 16:13:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 16:13:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:13:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:13:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 16:13:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:44,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-21 16:13:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:45,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:13:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:13:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:45,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 16:13:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:45,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:45,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:13:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:45,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-21 16:13:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-21 16:13:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:45,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:13:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:45,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-21 16:13:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-12-21 16:13:45,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:13:45,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861393338] [2021-12-21 16:13:45,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861393338] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:13:45,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:13:45,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 16:13:45,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130424008] [2021-12-21 16:13:45,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:13:45,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 16:13:45,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:13:45,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 16:13:45,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:13:45,128 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) [2021-12-21 16:13:58,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:13:58,773 INFO L93 Difference]: Finished difference Result 36773 states and 54046 transitions. [2021-12-21 16:13:58,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 16:13:58,773 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 [2021-12-21 16:13:58,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:13:58,871 INFO L225 Difference]: With dead ends: 36773 [2021-12-21 16:13:58,871 INFO L226 Difference]: Without dead ends: 19799 [2021-12-21 16:13:59,074 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 [2021-12-21 16:13:59,087 INFO L933 BasicCegarLoop]: 5475 mSDtfsCounter, 8223 mSDsluCounter, 15341 mSDsCounter, 0 mSdLazyCounter, 10691 mSolverCounterSat, 4788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8784 SdHoareTripleChecker+Valid, 20816 SdHoareTripleChecker+Invalid, 15479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4788 IncrementalHoareTripleChecker+Valid, 10691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-12-21 16:13:59,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8784 Valid, 20816 Invalid, 15479 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4788 Valid, 10691 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2021-12-21 16:13:59,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19799 states. [2021-12-21 16:13:59,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19799 to 16583. [2021-12-21 16:13:59,560 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) [2021-12-21 16:13:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16583 states to 16583 states and 23543 transitions. [2021-12-21 16:13:59,624 INFO L78 Accepts]: Start accepts. Automaton has 16583 states and 23543 transitions. Word has length 258 [2021-12-21 16:13:59,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:13:59,625 INFO L470 AbstractCegarLoop]: Abstraction has 16583 states and 23543 transitions. [2021-12-21 16:13:59,625 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) [2021-12-21 16:13:59,625 INFO L276 IsEmpty]: Start isEmpty. Operand 16583 states and 23543 transitions. [2021-12-21 16:13:59,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-12-21 16:13:59,655 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:13:59,655 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 3, 3, 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] [2021-12-21 16:13:59,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 16:13:59,657 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:13:59,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:13:59,657 INFO L85 PathProgramCache]: Analyzing trace with hash -271208053, now seen corresponding path program 1 times [2021-12-21 16:13:59,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:13:59,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177426782] [2021-12-21 16:13:59,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:13:59,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:13:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:13:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:13:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:13:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:13:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:13:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:13:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:13:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 16:13:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:13:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 16:13:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 16:13:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 16:13:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 16:13:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:13:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-21 16:13:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-21 16:13:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 16:13:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-21 16:13:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 16:13:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:13:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:13:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:13:59,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-21 16:14:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:14:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:14:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:14:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-21 16:14:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:14:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:14:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 16:14:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:14:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 16:14:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:14:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-21 16:14:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 16:14:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-21 16:14:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 16:14:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-12-21 16:14:00,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:14:00,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177426782] [2021-12-21 16:14:00,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177426782] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:14:00,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:14:00,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 16:14:00,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616628335] [2021-12-21 16:14:00,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:14:00,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 16:14:00,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:14:00,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 16:14:00,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-21 16:14:00,350 INFO L87 Difference]: Start difference. First operand 16583 states and 23543 transitions. Second operand has 12 states, 12 states have (on average 12.75) internal successors, (153), 7 states have internal predecessors, (153), 2 states have call successors, (37), 5 states have call predecessors, (37), 4 states have return successors, (36), 4 states have call predecessors, (36), 2 states have call successors, (36)