./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.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 fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 18:14:56,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 18:14:56,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 18:14:56,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 18:14:56,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 18:14:56,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 18:14:56,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 18:14:56,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 18:14:56,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 18:14:56,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 18:14:56,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 18:14:56,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 18:14:56,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 18:14:56,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 18:14:56,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 18:14:56,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 18:14:56,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 18:14:56,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 18:14:56,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 18:14:56,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 18:14:56,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 18:14:56,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 18:14:56,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 18:14:56,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 18:14:56,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 18:14:56,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 18:14:56,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 18:14:56,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 18:14:56,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 18:14:56,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 18:14:56,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 18:14:56,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 18:14:56,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 18:14:56,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 18:14:56,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 18:14:56,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 18:14:56,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 18:14:56,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 18:14:56,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 18:14:56,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 18:14:56,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 18:14:56,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 18:14:56,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 18:14:56,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 18:14:56,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 18:14:56,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 18:14:56,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 18:14:56,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 18:14:56,974 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 18:14:56,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 18:14:56,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 18:14:56,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 18:14:56,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 18:14:56,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 18:14:56,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 18:14:56,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 18:14:56,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 18:14:56,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 18:14:56,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 18:14:56,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 18:14:56,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 18:14:56,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 18:14:56,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 18:14:56,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 18:14:56,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 18:14:56,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 18:14:56,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 18:14:56,978 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 18:14:56,978 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 18:14:56,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 18:14:56,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 18:14:56,978 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 [2021-11-06 18:14:57,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 18:14:57,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 18:14:57,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 18:14:57,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 18:14:57,215 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 18:14:57,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-06 18:14:57,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f26cd9997/29c157b8f4974e9c81f4a784a67c9a1c/FLAG7fb081d3e [2021-11-06 18:14:57,973 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 18:14:57,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-06 18:14:58,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f26cd9997/29c157b8f4974e9c81f4a784a67c9a1c/FLAG7fb081d3e [2021-11-06 18:14:58,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f26cd9997/29c157b8f4974e9c81f4a784a67c9a1c [2021-11-06 18:14:58,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 18:14:58,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 18:14:58,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 18:14:58,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 18:14:58,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 18:14:58,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:14:58" (1/1) ... [2021-11-06 18:14:58,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b93dcf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:14:58, skipping insertion in model container [2021-11-06 18:14:58,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:14:58" (1/1) ... [2021-11-06 18:14:58,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 18:14:58,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 18:15:02,114 WARN L228 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2021-11-06 18:15:02,116 WARN L228 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2021-11-06 18:15:02,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 18:15:02,205 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 18:15:02,535 WARN L228 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2021-11-06 18:15:02,535 WARN L228 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2021-11-06 18:15:02,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 18:15:02,789 INFO L208 MainTranslator]: Completed translation [2021-11-06 18:15:02,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02 WrapperNode [2021-11-06 18:15:02,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 18:15:02,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 18:15:02,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 18:15:02,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 18:15:02,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02" (1/1) ... [2021-11-06 18:15:02,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02" (1/1) ... [2021-11-06 18:15:03,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 18:15:03,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 18:15:03,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 18:15:03,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 18:15:03,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02" (1/1) ... [2021-11-06 18:15:03,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02" (1/1) ... [2021-11-06 18:15:03,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02" (1/1) ... [2021-11-06 18:15:03,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02" (1/1) ... [2021-11-06 18:15:04,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02" (1/1) ... [2021-11-06 18:15:04,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02" (1/1) ... [2021-11-06 18:15:04,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02" (1/1) ... [2021-11-06 18:15:04,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 18:15:04,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 18:15:04,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 18:15:04,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 18:15:04,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02" (1/1) ... [2021-11-06 18:15:04,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 18:15:04,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 18:15:04,520 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) [2021-11-06 18:15:04,552 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 [2021-11-06 18:15:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-06 18:15:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-06 18:15:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-06 18:15:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-06 18:15:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-06 18:15:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-06 18:15:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-06 18:15:04,575 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-06 18:15:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-06 18:15:04,575 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-06 18:15:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 18:15:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-06 18:15:04,575 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-06 18:15:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 18:15:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 18:15:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 18:15:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-06 18:15:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-06 18:15:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-06 18:15:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-06 18:15:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 18:15:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 18:15:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-06 18:15:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 18:15:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 18:15:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-06 18:15:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-06 18:15:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-06 18:15:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-06 18:15:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-06 18:15:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-06 18:15:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 18:15:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 18:15:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-06 18:15:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-06 18:15:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-06 18:15:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-06 18:15:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 18:15:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 18:15:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-06 18:15:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-06 18:15:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-06 18:15:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-06 18:15:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-06 18:15:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 18:15:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 18:15:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-06 18:15:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-06 18:15:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 18:15:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-06 18:15:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-06 18:15:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 18:15:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-06 18:15:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-06 18:15:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-06 18:15:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-06 18:15:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-06 18:15:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-06 18:15:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-06 18:15:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-06 18:15:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-06 18:15:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-06 18:15:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-06 18:15:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-06 18:15:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-06 18:15:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 18:15:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-06 18:15:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-06 18:15:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-06 18:15:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-06 18:15:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-06 18:15:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-06 18:15:20,917 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#6: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,917 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#7: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,917 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,917 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#5: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,917 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,917 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,917 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,918 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-06 18:15:20,918 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#8: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,918 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#9: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,918 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#19: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#18: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#17: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#16: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#15: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#14: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#13: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#12: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#11: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#10: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#20: ldv_switch_1_#res := 0; [2021-11-06 18:15:20,919 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-06 18:15:20,963 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 18:15:20,964 INFO L299 CfgBuilder]: Removed 5860 assume(true) statements. [2021-11-06 18:15:20,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:15:20 BoogieIcfgContainer [2021-11-06 18:15:20,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 18:15:20,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 18:15:20,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 18:15:20,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 18:15:20,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:14:58" (1/3) ... [2021-11-06 18:15:20,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b4c756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:15:20, skipping insertion in model container [2021-11-06 18:15:20,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:15:02" (2/3) ... [2021-11-06 18:15:20,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b4c756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:15:20, skipping insertion in model container [2021-11-06 18:15:20,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:15:20" (3/3) ... [2021-11-06 18:15:20,979 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-06 18:15:20,985 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 18:15:20,985 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2021-11-06 18:15:21,044 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 18:15:21,049 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 [2021-11-06 18:15:21,049 INFO L340 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2021-11-06 18:15:21,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 6378 states, 6283 states have (on average 1.4037879993633615) internal successors, (8820), 6309 states have internal predecessors, (8820), 44 states have call successors, (44), 27 states have call predecessors, (44), 27 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2021-11-06 18:15:21,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-06 18:15:21,178 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 18:15:21,179 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 18:15:21,179 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_options_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr1ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2021-11-06 18:15:21,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 18:15:21,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1601781280, now seen corresponding path program 1 times [2021-11-06 18:15:21,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 18:15:21,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053800278] [2021-11-06 18:15:21,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 18:15:21,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 18:15:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 18:15:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 18:15:21,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 18:15:21,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053800278] [2021-11-06 18:15:21,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053800278] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 18:15:21,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 18:15:21,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 18:15:21,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36197092] [2021-11-06 18:15:21,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 18:15:21,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 18:15:21,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 18:15:21,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:21,925 INFO L87 Difference]: Start difference. First operand has 6378 states, 6283 states have (on average 1.4037879993633615) internal successors, (8820), 6309 states have internal predecessors, (8820), 44 states have call successors, (44), 27 states have call predecessors, (44), 27 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:24,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 18:15:24,531 INFO L93 Difference]: Finished difference Result 17617 states and 24623 transitions. [2021-11-06 18:15:24,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 18:15:24,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2021-11-06 18:15:24,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 18:15:24,594 INFO L225 Difference]: With dead ends: 17617 [2021-11-06 18:15:24,594 INFO L226 Difference]: Without dead ends: 11119 [2021-11-06 18:15:24,631 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:24,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11119 states. [2021-11-06 18:15:24,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11119 to 11067. [2021-11-06 18:15:24,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11067 states, 10901 states have (on average 1.3582240161453079) internal successors, (14806), 10930 states have internal predecessors, (14806), 88 states have call successors, (88), 54 states have call predecessors, (88), 54 states have return successors, (88), 86 states have call predecessors, (88), 88 states have call successors, (88) [2021-11-06 18:15:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11067 states to 11067 states and 14982 transitions. [2021-11-06 18:15:24,927 INFO L78 Accepts]: Start accepts. Automaton has 11067 states and 14982 transitions. Word has length 147 [2021-11-06 18:15:24,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 18:15:24,930 INFO L470 AbstractCegarLoop]: Abstraction has 11067 states and 14982 transitions. [2021-11-06 18:15:24,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:24,930 INFO L276 IsEmpty]: Start isEmpty. Operand 11067 states and 14982 transitions. [2021-11-06 18:15:24,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-06 18:15:24,935 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 18:15:24,935 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 18:15:24,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 18:15:24,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting team_nl_send_options_getErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_options_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr1ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2021-11-06 18:15:24,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 18:15:24,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1469449811, now seen corresponding path program 1 times [2021-11-06 18:15:24,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 18:15:24,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968355257] [2021-11-06 18:15:24,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 18:15:24,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 18:15:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 18:15:25,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 18:15:25,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 18:15:25,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968355257] [2021-11-06 18:15:25,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968355257] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 18:15:25,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 18:15:25,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 18:15:25,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392207878] [2021-11-06 18:15:25,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 18:15:25,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 18:15:25,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 18:15:25,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:25,255 INFO L87 Difference]: Start difference. First operand 11067 states and 14982 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:27,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 18:15:27,891 INFO L93 Difference]: Finished difference Result 32495 states and 44150 transitions. [2021-11-06 18:15:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 18:15:27,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2021-11-06 18:15:27,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 18:15:27,994 INFO L225 Difference]: With dead ends: 32495 [2021-11-06 18:15:27,995 INFO L226 Difference]: Without dead ends: 21768 [2021-11-06 18:15:28,033 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:28,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21768 states. [2021-11-06 18:15:28,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21768 to 21712. [2021-11-06 18:15:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21712 states, 21406 states have (on average 1.3622348874147436) internal successors, (29160), 21441 states have internal predecessors, (29160), 174 states have call successors, (174), 108 states have call predecessors, (174), 108 states have return successors, (174), 170 states have call predecessors, (174), 174 states have call successors, (174) [2021-11-06 18:15:28,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21712 states to 21712 states and 29508 transitions. [2021-11-06 18:15:28,758 INFO L78 Accepts]: Start accepts. Automaton has 21712 states and 29508 transitions. Word has length 163 [2021-11-06 18:15:28,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 18:15:28,759 INFO L470 AbstractCegarLoop]: Abstraction has 21712 states and 29508 transitions. [2021-11-06 18:15:28,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:28,760 INFO L276 IsEmpty]: Start isEmpty. Operand 21712 states and 29508 transitions. [2021-11-06 18:15:28,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-06 18:15:28,763 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 18:15:28,763 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 18:15:28,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 18:15:28,763 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [__team_options_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr1ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2021-11-06 18:15:28,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 18:15:28,766 INFO L85 PathProgramCache]: Analyzing trace with hash -37847282, now seen corresponding path program 1 times [2021-11-06 18:15:28,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 18:15:28,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497222814] [2021-11-06 18:15:28,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 18:15:28,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 18:15:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 18:15:28,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 18:15:28,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 18:15:28,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497222814] [2021-11-06 18:15:28,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497222814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 18:15:28,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 18:15:28,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 18:15:28,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815931212] [2021-11-06 18:15:28,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 18:15:28,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 18:15:28,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 18:15:28,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:28,973 INFO L87 Difference]: Start difference. First operand 21712 states and 29508 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:31,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 18:15:31,804 INFO L93 Difference]: Finished difference Result 63054 states and 85892 transitions. [2021-11-06 18:15:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 18:15:31,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2021-11-06 18:15:31,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 18:15:31,931 INFO L225 Difference]: With dead ends: 63054 [2021-11-06 18:15:31,932 INFO L226 Difference]: Without dead ends: 41682 [2021-11-06 18:15:31,998 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:32,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41682 states. [2021-11-06 18:15:33,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41682 to 41626. [2021-11-06 18:15:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41626 states, 41038 states have (on average 1.364978800136459) internal successors, (56016), 41085 states have internal predecessors, (56016), 348 states have call successors, (348), 216 states have call predecessors, (348), 216 states have return successors, (348), 340 states have call predecessors, (348), 348 states have call successors, (348) [2021-11-06 18:15:33,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41626 states to 41626 states and 56712 transitions. [2021-11-06 18:15:33,287 INFO L78 Accepts]: Start accepts. Automaton has 41626 states and 56712 transitions. Word has length 162 [2021-11-06 18:15:33,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 18:15:33,287 INFO L470 AbstractCegarLoop]: Abstraction has 41626 states and 56712 transitions. [2021-11-06 18:15:33,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:33,288 INFO L276 IsEmpty]: Start isEmpty. Operand 41626 states and 56712 transitions. [2021-11-06 18:15:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-06 18:15:33,292 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 18:15:33,292 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 18:15:33,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 18:15:33,293 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting team_port_addErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_options_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr1ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2021-11-06 18:15:33,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 18:15:33,293 INFO L85 PathProgramCache]: Analyzing trace with hash 303527663, now seen corresponding path program 1 times [2021-11-06 18:15:33,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 18:15:33,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125107644] [2021-11-06 18:15:33,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 18:15:33,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 18:15:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 18:15:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 18:15:33,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 18:15:33,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125107644] [2021-11-06 18:15:33,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125107644] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 18:15:33,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 18:15:33,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 18:15:33,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643987317] [2021-11-06 18:15:33,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 18:15:33,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 18:15:33,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 18:15:33,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:33,720 INFO L87 Difference]: Start difference. First operand 41626 states and 56712 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:37,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 18:15:37,171 INFO L93 Difference]: Finished difference Result 122766 states and 168076 transitions. [2021-11-06 18:15:37,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 18:15:37,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2021-11-06 18:15:37,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 18:15:37,476 INFO L225 Difference]: With dead ends: 122766 [2021-11-06 18:15:37,477 INFO L226 Difference]: Without dead ends: 81480 [2021-11-06 18:15:37,739 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:37,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81480 states. [2021-11-06 18:15:39,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81480 to 80648. [2021-11-06 18:15:39,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80648 states, 79512 states have (on average 1.3656554985411007) internal successors, (108586), 79575 states have internal predecessors, (108586), 680 states have call successors, (680), 432 states have call predecessors, (680), 432 states have return successors, (1360), 672 states have call predecessors, (1360), 680 states have call successors, (1360) [2021-11-06 18:15:39,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80648 states to 80648 states and 110626 transitions. [2021-11-06 18:15:39,692 INFO L78 Accepts]: Start accepts. Automaton has 80648 states and 110626 transitions. Word has length 167 [2021-11-06 18:15:39,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 18:15:39,693 INFO L470 AbstractCegarLoop]: Abstraction has 80648 states and 110626 transitions. [2021-11-06 18:15:39,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:39,693 INFO L276 IsEmpty]: Start isEmpty. Operand 80648 states and 110626 transitions. [2021-11-06 18:15:39,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-06 18:15:39,696 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 18:15:39,696 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-06 18:15:39,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 18:15:39,697 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_options_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr1ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2021-11-06 18:15:39,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 18:15:39,697 INFO L85 PathProgramCache]: Analyzing trace with hash 82073371, now seen corresponding path program 1 times [2021-11-06 18:15:39,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 18:15:39,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91354152] [2021-11-06 18:15:39,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 18:15:39,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 18:15:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 18:15:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 18:15:40,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 18:15:40,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91354152] [2021-11-06 18:15:40,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91354152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 18:15:40,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 18:15:40,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 18:15:40,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739993886] [2021-11-06 18:15:40,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 18:15:40,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 18:15:40,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 18:15:40,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:40,156 INFO L87 Difference]: Start difference. First operand 80648 states and 110626 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:44,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 18:15:44,043 INFO L93 Difference]: Finished difference Result 170453 states and 233921 transitions. [2021-11-06 18:15:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 18:15:44,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2021-11-06 18:15:44,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 18:15:44,536 INFO L225 Difference]: With dead ends: 170453 [2021-11-06 18:15:44,536 INFO L226 Difference]: Without dead ends: 90145 [2021-11-06 18:15:44,686 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:44,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90145 states. [2021-11-06 18:15:46,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90145 to 90103. [2021-11-06 18:15:46,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90103 states, 88829 states have (on average 1.3660854000382758) internal successors, (121348), 88897 states have internal predecessors, (121348), 764 states have call successors, (764), 486 states have call predecessors, (764), 486 states have return successors, (1528), 755 states have call predecessors, (1528), 764 states have call successors, (1528) [2021-11-06 18:15:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90103 states to 90103 states and 123640 transitions. [2021-11-06 18:15:46,779 INFO L78 Accepts]: Start accepts. Automaton has 90103 states and 123640 transitions. Word has length 166 [2021-11-06 18:15:46,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 18:15:46,779 INFO L470 AbstractCegarLoop]: Abstraction has 90103 states and 123640 transitions. [2021-11-06 18:15:46,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 90103 states and 123640 transitions. [2021-11-06 18:15:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-06 18:15:46,783 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 18:15:46,783 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 18:15:46,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 18:15:46,783 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting team_nl_send_options_getErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_options_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr1ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2021-11-06 18:15:46,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 18:15:46,784 INFO L85 PathProgramCache]: Analyzing trace with hash -2004549038, now seen corresponding path program 1 times [2021-11-06 18:15:46,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 18:15:46,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018932748] [2021-11-06 18:15:46,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 18:15:46,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 18:15:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 18:15:47,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 18:15:47,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 18:15:47,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018932748] [2021-11-06 18:15:47,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018932748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 18:15:47,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 18:15:47,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 18:15:47,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143521526] [2021-11-06 18:15:47,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 18:15:47,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 18:15:47,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 18:15:47,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:47,281 INFO L87 Difference]: Start difference. First operand 90103 states and 123640 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:52,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 18:15:52,443 INFO L93 Difference]: Finished difference Result 259986 states and 356882 transitions. [2021-11-06 18:15:52,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 18:15:52,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2021-11-06 18:15:52,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 18:15:53,014 INFO L225 Difference]: With dead ends: 259986 [2021-11-06 18:15:53,015 INFO L226 Difference]: Without dead ends: 170223 [2021-11-06 18:15:53,247 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:53,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170223 states. [2021-11-06 18:15:56,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170223 to 170155. [2021-11-06 18:15:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170155 states, 167787 states have (on average 1.3660891487421551) internal successors, (229212), 167895 states have internal predecessors, (229212), 1426 states have call successors, (1426), 918 states have call predecessors, (1426), 918 states have return successors, (2852), 1409 states have call predecessors, (2852), 1426 states have call successors, (2852) [2021-11-06 18:15:57,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170155 states to 170155 states and 233490 transitions. [2021-11-06 18:15:57,534 INFO L78 Accepts]: Start accepts. Automaton has 170155 states and 233490 transitions. Word has length 175 [2021-11-06 18:15:57,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 18:15:57,534 INFO L470 AbstractCegarLoop]: Abstraction has 170155 states and 233490 transitions. [2021-11-06 18:15:57,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:15:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 170155 states and 233490 transitions. [2021-11-06 18:15:57,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-06 18:15:57,538 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 18:15:57,539 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 18:15:57,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 18:15:57,539 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [__team_options_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr0ASSERT_VIOLATIONERROR_FUNCTION, team_port_delErr1ASSERT_VIOLATIONERROR_FUNCTION (and 21 more)] === [2021-11-06 18:15:57,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 18:15:57,540 INFO L85 PathProgramCache]: Analyzing trace with hash 264703112, now seen corresponding path program 1 times [2021-11-06 18:15:57,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 18:15:57,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786130768] [2021-11-06 18:15:57,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 18:15:57,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 18:15:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 18:15:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 18:15:57,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 18:15:57,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786130768] [2021-11-06 18:15:57,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786130768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 18:15:57,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 18:15:57,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 18:15:57,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696122876] [2021-11-06 18:15:57,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 18:15:57,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 18:15:57,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 18:15:57,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:15:57,769 INFO L87 Difference]: Start difference. First operand 170155 states and 233490 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 18:16:05,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 18:16:05,930 INFO L93 Difference]: Finished difference Result 464714 states and 638350 transitions. [2021-11-06 18:16:05,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 18:16:05,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186 [2021-11-06 18:16:05,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 18:16:07,002 INFO L225 Difference]: With dead ends: 464714 [2021-11-06 18:16:07,002 INFO L226 Difference]: Without dead ends: 294899 [2021-11-06 18:16:07,809 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 18:16:08,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294899 states.