./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 5f08f0f0 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-wip.dd.seqcomp-5f08f0f [2021-11-05 20:00:14,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 20:00:14,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 20:00:14,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 20:00:14,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 20:00:14,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 20:00:14,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 20:00:14,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 20:00:14,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 20:00:14,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 20:00:14,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 20:00:14,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 20:00:14,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 20:00:14,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 20:00:14,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 20:00:14,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 20:00:14,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 20:00:14,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 20:00:14,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 20:00:14,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 20:00:14,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 20:00:14,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 20:00:14,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 20:00:14,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 20:00:14,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 20:00:14,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 20:00:14,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 20:00:14,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 20:00:14,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 20:00:14,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 20:00:14,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 20:00:14,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 20:00:14,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 20:00:14,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 20:00:14,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 20:00:14,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 20:00:14,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 20:00:14,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 20:00:14,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 20:00:14,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 20:00:14,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 20:00:14,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 20:00:14,631 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 20:00:14,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 20:00:14,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 20:00:14,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 20:00:14,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 20:00:14,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 20:00:14,635 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 20:00:14,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 20:00:14,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 20:00:14,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 20:00:14,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 20:00:14,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 20:00:14,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 20:00:14,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 20:00:14,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 20:00:14,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 20:00:14,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 20:00:14,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 20:00:14,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 20:00:14,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:00:14,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 20:00:14,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 20:00:14,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 20:00:14,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 20:00:14,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 20:00:14,638 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 20:00:14,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 20:00:14,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 20:00:14,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 20:00:14,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 [2021-11-05 20:00:14,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 20:00:14,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 20:00:14,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 20:00:14,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 20:00:14,941 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 20:00:14,942 INFO L432 ainManager$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 [2021-11-05 20:00:14,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba49002b/81624959b42c4aa591a5d2923aa8276f/FLAG3e0ad7143 [2021-11-05 20:00:15,763 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 20:00:15,763 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 [2021-11-05 20:00:15,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba49002b/81624959b42c4aa591a5d2923aa8276f/FLAG3e0ad7143 [2021-11-05 20:00:16,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba49002b/81624959b42c4aa591a5d2923aa8276f [2021-11-05 20:00:16,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 20:00:16,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 20:00:16,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 20:00:16,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 20:00:16,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 20:00:16,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:00:16" (1/1) ... [2021-11-05 20:00:16,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9c1a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:16, skipping insertion in model container [2021-11-05 20:00:16,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:00:16" (1/1) ... [2021-11-05 20:00:16,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 20:00:16,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 20:00:19,606 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] [2021-11-05 20:00:19,608 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] [2021-11-05 20:00:19,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:00:19,671 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 20:00:19,991 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] [2021-11-05 20:00:19,992 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] [2021-11-05 20:00:19,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:00:20,175 INFO L208 MainTranslator]: Completed translation [2021-11-05 20:00:20,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20 WrapperNode [2021-11-05 20:00:20,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 20:00:20,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 20:00:20,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 20:00:20,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 20:00:20,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20" (1/1) ... [2021-11-05 20:00:20,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20" (1/1) ... [2021-11-05 20:00:20,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 20:00:20,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 20:00:20,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 20:00:20,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 20:00:20,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20" (1/1) ... [2021-11-05 20:00:20,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20" (1/1) ... [2021-11-05 20:00:20,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20" (1/1) ... [2021-11-05 20:00:20,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20" (1/1) ... [2021-11-05 20:00:21,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20" (1/1) ... [2021-11-05 20:00:21,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20" (1/1) ... [2021-11-05 20:00:21,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20" (1/1) ... [2021-11-05 20:00:21,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 20:00:21,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 20:00:21,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 20:00:21,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 20:00:21,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20" (1/1) ... [2021-11-05 20:00:21,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:00:22,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 20:00:22,056 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) [2021-11-05 20:00:22,068 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 [2021-11-05 20:00:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-05 20:00:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-05 20:00:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-05 20:00:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-05 20:00:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-05 20:00:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-05 20:00:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-05 20:00:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-05 20:00:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-05 20:00:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-05 20:00:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 20:00:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-05 20:00:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-05 20:00:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 20:00:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 20:00:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 20:00:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-05 20:00:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-05 20:00:22,112 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-05 20:00:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-05 20:00:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 20:00:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 20:00:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 20:00:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 20:00:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 20:00:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-05 20:00:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-05 20:00:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-05 20:00:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-05 20:00:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-05 20:00:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-05 20:00:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 20:00:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 20:00:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-05 20:00:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-05 20:00:22,113 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-05 20:00:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-05 20:00:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 20:00:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 20:00:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-05 20:00:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-05 20:00:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-05 20:00:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-05 20:00:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-05 20:00:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 20:00:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 20:00:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-05 20:00:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-05 20:00:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 20:00:22,114 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-05 20:00:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-05 20:00:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 20:00:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-05 20:00:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-05 20:00:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-05 20:00:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-05 20:00:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-05 20:00:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-05 20:00:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-05 20:00:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-05 20:00:22,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-05 20:00:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-05 20:00:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-05 20:00:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-05 20:00:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-05 20:00:22,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 20:00:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-05 20:00:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-05 20:00:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-05 20:00:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-05 20:00:22,117 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-05 20:00:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-05 20:00:38,336 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#6: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,336 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#7: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,336 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,336 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#5: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,336 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,336 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,337 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,337 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-05 20:00:38,337 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#8: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,337 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#9: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,337 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-05 20:00:38,337 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#19: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,337 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#18: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,337 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#17: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,338 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#16: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,338 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#15: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,338 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#14: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,338 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#13: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,338 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#12: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,338 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#11: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,338 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#10: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,338 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#20: ldv_switch_1_#res := 0; [2021-11-05 20:00:38,338 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-05 20:00:38,389 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 20:00:38,393 INFO L299 CfgBuilder]: Removed 5860 assume(true) statements. [2021-11-05 20:00:38,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:00:38 BoogieIcfgContainer [2021-11-05 20:00:38,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 20:00:38,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 20:00:38,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 20:00:38,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 20:00:38,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:00:16" (1/3) ... [2021-11-05 20:00:38,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ed866e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:00:38, skipping insertion in model container [2021-11-05 20:00:38,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:00:20" (2/3) ... [2021-11-05 20:00:38,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ed866e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:00:38, skipping insertion in model container [2021-11-05 20:00:38,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:00:38" (3/3) ... [2021-11-05 20:00:38,421 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-05 20:00:38,425 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 20:00:38,425 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2021-11-05 20:00:38,476 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 20:00:38,480 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 [2021-11-05 20:00:38,481 INFO L340 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2021-11-05 20:00:38,536 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) [2021-11-05 20:00:38,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-05 20:00:38,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:00:38,549 INFO L514 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] [2021-11-05 20:00:38,550 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)] === [2021-11-05 20:00:38,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:00:38,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1601781280, now seen corresponding path program 1 times [2021-11-05 20:00:38,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:00:38,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431712067] [2021-11-05 20:00:38,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:00:38,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:00:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:00:39,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:00:39,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:00:39,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431712067] [2021-11-05 20:00:39,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431712067] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:00:39,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:00:39,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:00:39,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982416634] [2021-11-05 20:00:39,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:00:39,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:00:39,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:00:39,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:00:39,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:00:39,293 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) [2021-11-05 20:00:41,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:00:41,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:00:41,930 INFO L93 Difference]: Finished difference Result 17617 states and 24623 transitions. [2021-11-05 20:00:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:00:41,933 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 [2021-11-05 20:00:41,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:00:41,987 INFO L225 Difference]: With dead ends: 17617 [2021-11-05 20:00:41,987 INFO L226 Difference]: Without dead ends: 11119 [2021-11-05 20:00:42,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.88ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:00:42,024 INFO L933 BasicCegarLoop]: 8343 mSDtfsCounter, 7641 mSDsluCounter, 8281 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2098.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7641 SdHoareTripleChecker+Valid, 16624 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.78ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2256.78ms IncrementalHoareTripleChecker+Time [2021-11-05 20:00:42,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7641 Valid, 16624 Invalid, 32 Unknown, 0 Unchecked, 36.78ms Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2256.78ms Time] [2021-11-05 20:00:42,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11119 states. [2021-11-05 20:00:42,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11119 to 11067. [2021-11-05 20:00:42,272 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) [2021-11-05 20:00:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11067 states to 11067 states and 14982 transitions. [2021-11-05 20:00:42,562 INFO L78 Accepts]: Start accepts. Automaton has 11067 states and 14982 transitions. Word has length 147 [2021-11-05 20:00:42,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:00:42,564 INFO L470 AbstractCegarLoop]: Abstraction has 11067 states and 14982 transitions. [2021-11-05 20:00:42,564 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) [2021-11-05 20:00:42,565 INFO L276 IsEmpty]: Start isEmpty. Operand 11067 states and 14982 transitions. [2021-11-05 20:00:42,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-05 20:00:42,574 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:00:42,574 INFO L514 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] [2021-11-05 20:00:42,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 20:00:42,575 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)] === [2021-11-05 20:00:42,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:00:42,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1469449811, now seen corresponding path program 1 times [2021-11-05 20:00:42,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:00:42,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25644886] [2021-11-05 20:00:42,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:00:42,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:00:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:00:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:00:42,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:00:42,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25644886] [2021-11-05 20:00:42,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25644886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:00:42,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:00:42,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:00:42,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719607714] [2021-11-05 20:00:42,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:00:42,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:00:42,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:00:42,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:00:42,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:00:42,857 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) [2021-11-05 20:00:44,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:00:45,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:00:45,436 INFO L93 Difference]: Finished difference Result 32495 states and 44150 transitions. [2021-11-05 20:00:45,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:00:45,437 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 [2021-11-05 20:00:45,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:00:45,536 INFO L225 Difference]: With dead ends: 32495 [2021-11-05 20:00:45,537 INFO L226 Difference]: Without dead ends: 21768 [2021-11-05 20:00:45,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.75ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:00:45,573 INFO L933 BasicCegarLoop]: 7929 mSDtfsCounter, 7333 mSDsluCounter, 7723 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2072.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7333 SdHoareTripleChecker+Valid, 15652 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.67ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2236.16ms IncrementalHoareTripleChecker+Time [2021-11-05 20:00:45,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7333 Valid, 15652 Invalid, 32 Unknown, 0 Unchecked, 21.67ms Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2236.16ms Time] [2021-11-05 20:00:45,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21768 states. [2021-11-05 20:00:46,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21768 to 21712. [2021-11-05 20:00:46,337 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) [2021-11-05 20:00:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21712 states to 21712 states and 29508 transitions. [2021-11-05 20:00:46,417 INFO L78 Accepts]: Start accepts. Automaton has 21712 states and 29508 transitions. Word has length 163 [2021-11-05 20:00:46,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:00:46,418 INFO L470 AbstractCegarLoop]: Abstraction has 21712 states and 29508 transitions. [2021-11-05 20:00:46,419 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) [2021-11-05 20:00:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 21712 states and 29508 transitions. [2021-11-05 20:00:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-05 20:00:46,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:00:46,424 INFO L514 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] [2021-11-05 20:00:46,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 20:00:46,424 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)] === [2021-11-05 20:00:46,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:00:46,425 INFO L85 PathProgramCache]: Analyzing trace with hash -37847282, now seen corresponding path program 1 times [2021-11-05 20:00:46,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:00:46,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067447774] [2021-11-05 20:00:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:00:46,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:00:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:00:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:00:46,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:00:46,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067447774] [2021-11-05 20:00:46,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067447774] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:00:46,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:00:46,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:00:46,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454457423] [2021-11-05 20:00:46,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:00:46,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:00:46,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:00:46,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:00:46,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:00:46,685 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) [2021-11-05 20:00:48,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:00:49,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:00:49,752 INFO L93 Difference]: Finished difference Result 63054 states and 85892 transitions. [2021-11-05 20:00:49,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:00:49,753 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 [2021-11-05 20:00:49,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:00:49,880 INFO L225 Difference]: With dead ends: 63054 [2021-11-05 20:00:49,881 INFO L226 Difference]: Without dead ends: 41682 [2021-11-05 20:00:49,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.81ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:00:49,937 INFO L933 BasicCegarLoop]: 7947 mSDtfsCounter, 6878 mSDsluCounter, 7725 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2078.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6878 SdHoareTripleChecker+Valid, 15672 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.68ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2257.89ms IncrementalHoareTripleChecker+Time [2021-11-05 20:00:49,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6878 Valid, 15672 Invalid, 32 Unknown, 0 Unchecked, 19.68ms Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2257.89ms Time] [2021-11-05 20:00:49,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41682 states. [2021-11-05 20:00:50,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41682 to 41626. [2021-11-05 20:00:50,810 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) [2021-11-05 20:00:50,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41626 states to 41626 states and 56712 transitions. [2021-11-05 20:00:50,916 INFO L78 Accepts]: Start accepts. Automaton has 41626 states and 56712 transitions. Word has length 162 [2021-11-05 20:00:50,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:00:50,916 INFO L470 AbstractCegarLoop]: Abstraction has 41626 states and 56712 transitions. [2021-11-05 20:00:50,917 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) [2021-11-05 20:00:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 41626 states and 56712 transitions. [2021-11-05 20:00:50,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-05 20:00:50,924 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:00:50,924 INFO L514 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] [2021-11-05 20:00:50,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 20:00:50,925 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)] === [2021-11-05 20:00:50,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:00:50,927 INFO L85 PathProgramCache]: Analyzing trace with hash 303527663, now seen corresponding path program 1 times [2021-11-05 20:00:50,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:00:50,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872184799] [2021-11-05 20:00:50,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:00:50,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:00:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:00:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:00:51,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:00:51,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872184799] [2021-11-05 20:00:51,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872184799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:00:51,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:00:51,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:00:51,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416864702] [2021-11-05 20:00:51,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:00:51,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:00:51,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:00:51,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:00:51,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:00:51,169 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) [2021-11-05 20:00:53,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:00:54,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:00:54,958 INFO L93 Difference]: Finished difference Result 122766 states and 168076 transitions. [2021-11-05 20:00:54,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:00:54,958 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 [2021-11-05 20:00:54,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:00:55,327 INFO L225 Difference]: With dead ends: 122766 [2021-11-05 20:00:55,329 INFO L226 Difference]: Without dead ends: 81480 [2021-11-05 20:00:55,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.94ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:00:55,433 INFO L933 BasicCegarLoop]: 7845 mSDtfsCounter, 7186 mSDsluCounter, 7709 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2095.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7186 SdHoareTripleChecker+Valid, 15554 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.13ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2336.59ms IncrementalHoareTripleChecker+Time [2021-11-05 20:00:55,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7186 Valid, 15554 Invalid, 53 Unknown, 0 Unchecked, 17.13ms Time], IncrementalHoareTripleChecker [9 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 2336.59ms Time] [2021-11-05 20:00:55,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81480 states. [2021-11-05 20:00:57,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81480 to 80648. [2021-11-05 20:00:57,254 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) [2021-11-05 20:00:57,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80648 states to 80648 states and 110626 transitions. [2021-11-05 20:00:57,692 INFO L78 Accepts]: Start accepts. Automaton has 80648 states and 110626 transitions. Word has length 167 [2021-11-05 20:00:57,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:00:57,692 INFO L470 AbstractCegarLoop]: Abstraction has 80648 states and 110626 transitions. [2021-11-05 20:00:57,692 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) [2021-11-05 20:00:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 80648 states and 110626 transitions. [2021-11-05 20:00:57,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-05 20:00:57,699 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:00:57,699 INFO L514 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] [2021-11-05 20:00:57,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 20:00:57,700 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)] === [2021-11-05 20:00:57,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:00:57,700 INFO L85 PathProgramCache]: Analyzing trace with hash 82073371, now seen corresponding path program 1 times [2021-11-05 20:00:57,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:00:57,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133756528] [2021-11-05 20:00:57,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:00:57,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:00:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:00:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:00:57,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:00:57,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133756528] [2021-11-05 20:00:57,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133756528] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:00:57,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:00:57,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:00:57,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290812256] [2021-11-05 20:00:57,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:00:57,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:00:57,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:00:57,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:00:57,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:00:57,936 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) [2021-11-05 20:01:00,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:01:02,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:01:02,038 INFO L93 Difference]: Finished difference Result 170453 states and 233921 transitions. [2021-11-05 20:01:02,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:01:02,038 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 [2021-11-05 20:01:02,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:01:02,315 INFO L225 Difference]: With dead ends: 170453 [2021-11-05 20:01:02,315 INFO L226 Difference]: Without dead ends: 90145 [2021-11-05 20:01:02,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.84ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:01:02,695 INFO L933 BasicCegarLoop]: 7832 mSDtfsCounter, 6706 mSDsluCounter, 7677 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2096.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6706 SdHoareTripleChecker+Valid, 15509 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.47ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2282.74ms IncrementalHoareTripleChecker+Time [2021-11-05 20:01:02,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6706 Valid, 15509 Invalid, 48 Unknown, 0 Unchecked, 18.47ms Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2282.74ms Time] [2021-11-05 20:01:02,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90145 states. [2021-11-05 20:01:04,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90145 to 90103. [2021-11-05 20:01:04,355 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) [2021-11-05 20:01:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90103 states to 90103 states and 123640 transitions. [2021-11-05 20:01:04,591 INFO L78 Accepts]: Start accepts. Automaton has 90103 states and 123640 transitions. Word has length 166 [2021-11-05 20:01:04,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:01:04,591 INFO L470 AbstractCegarLoop]: Abstraction has 90103 states and 123640 transitions. [2021-11-05 20:01:04,591 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) [2021-11-05 20:01:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 90103 states and 123640 transitions. [2021-11-05 20:01:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-05 20:01:04,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:01:04,595 INFO L514 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] [2021-11-05 20:01:04,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 20:01:04,595 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)] === [2021-11-05 20:01:04,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:01:04,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2004549038, now seen corresponding path program 1 times [2021-11-05 20:01:04,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:01:04,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322233000] [2021-11-05 20:01:04,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:01:04,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:01:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:01:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:01:05,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:01:05,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322233000] [2021-11-05 20:01:05,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322233000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:01:05,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:01:05,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:01:05,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713979880] [2021-11-05 20:01:05,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:01:05,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:01:05,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:01:05,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:01:05,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:01:05,116 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) [2021-11-05 20:01:07,166 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:01:10,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:01:10,750 INFO L93 Difference]: Finished difference Result 259986 states and 356882 transitions. [2021-11-05 20:01:10,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:01:10,751 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 [2021-11-05 20:01:10,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:01:11,328 INFO L225 Difference]: With dead ends: 259986 [2021-11-05 20:01:11,329 INFO L226 Difference]: Without dead ends: 170223 [2021-11-05 20:01:11,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.83ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:01:11,534 INFO L933 BasicCegarLoop]: 9267 mSDtfsCounter, 7333 mSDsluCounter, 7724 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2071.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7333 SdHoareTripleChecker+Valid, 16991 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.79ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2253.74ms IncrementalHoareTripleChecker+Time [2021-11-05 20:01:11,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7333 Valid, 16991 Invalid, 32 Unknown, 0 Unchecked, 17.79ms Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2253.74ms Time] [2021-11-05 20:01:11,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170223 states. [2021-11-05 20:01:14,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170223 to 170155. [2021-11-05 20:01:15,264 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) [2021-11-05 20:01:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170155 states to 170155 states and 233490 transitions. [2021-11-05 20:01:15,838 INFO L78 Accepts]: Start accepts. Automaton has 170155 states and 233490 transitions. Word has length 175 [2021-11-05 20:01:15,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:01:15,838 INFO L470 AbstractCegarLoop]: Abstraction has 170155 states and 233490 transitions. [2021-11-05 20:01:15,839 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) [2021-11-05 20:01:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 170155 states and 233490 transitions. [2021-11-05 20:01:15,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-05 20:01:15,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:01:15,843 INFO L514 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] [2021-11-05 20:01:15,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 20:01:15,844 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)] === [2021-11-05 20:01:15,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:01:15,844 INFO L85 PathProgramCache]: Analyzing trace with hash 264703112, now seen corresponding path program 1 times [2021-11-05 20:01:15,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:01:15,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869804437] [2021-11-05 20:01:15,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:01:15,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:01:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:01:16,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:01:16,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:01:16,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869804437] [2021-11-05 20:01:16,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869804437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:01:16,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:01:16,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:01:16,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243050606] [2021-11-05 20:01:16,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:01:16,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:01:16,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:01:16,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:01:16,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:01:16,383 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) [2021-11-05 20:01:18,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:01:24,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:01:24,900 INFO L93 Difference]: Finished difference Result 464714 states and 638350 transitions. [2021-11-05 20:01:24,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:01:24,901 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 [2021-11-05 20:01:24,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:01:26,578 INFO L225 Difference]: With dead ends: 464714 [2021-11-05 20:01:26,578 INFO L226 Difference]: Without dead ends: 294899 [2021-11-05 20:01:27,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.16ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:01:27,016 INFO L933 BasicCegarLoop]: 7789 mSDtfsCounter, 5921 mSDsluCounter, 7722 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2084.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5921 SdHoareTripleChecker+Valid, 15511 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.54ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2233.00ms IncrementalHoareTripleChecker+Time [2021-11-05 20:01:27,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5921 Valid, 15511 Invalid, 32 Unknown, 0 Unchecked, 15.54ms Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2233.00ms Time] [2021-11-05 20:01:27,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294899 states.