./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 5b36d44f 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-5b36d44 [2021-11-07 16:40:29,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 16:40:29,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 16:40:29,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 16:40:29,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 16:40:29,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 16:40:29,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 16:40:29,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 16:40:29,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 16:40:29,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 16:40:29,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 16:40:29,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 16:40:29,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 16:40:29,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 16:40:29,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 16:40:29,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 16:40:29,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 16:40:29,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 16:40:29,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 16:40:29,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 16:40:29,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 16:40:29,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 16:40:29,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 16:40:29,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 16:40:30,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 16:40:30,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 16:40:30,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 16:40:30,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 16:40:30,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 16:40:30,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 16:40:30,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 16:40:30,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 16:40:30,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 16:40:30,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 16:40:30,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 16:40:30,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 16:40:30,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 16:40:30,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 16:40:30,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 16:40:30,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 16:40:30,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 16:40:30,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 16:40:30,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 16:40:30,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 16:40:30,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 16:40:30,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 16:40:30,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 16:40:30,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 16:40:30,042 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 16:40:30,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 16:40:30,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 16:40:30,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 16:40:30,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 16:40:30,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 16:40:30,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 16:40:30,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 16:40:30,044 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 16:40:30,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 16:40:30,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 16:40:30,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 16:40:30,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 16:40:30,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 16:40:30,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 16:40:30,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 16:40:30,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 16:40:30,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 16:40:30,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 16:40:30,046 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 16:40:30,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 16:40:30,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 16:40:30,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 16:40:30,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 [2021-11-07 16:40:30,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 16:40:30,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 16:40:30,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 16:40:30,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 16:40:30,281 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 16:40:30,282 INFO L432 ainManager$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 [2021-11-07 16:40:30,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/889c23fa4/0435875bf80c48c28a94464ff046a287/FLAGd98949e4d [2021-11-07 16:40:31,001 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 16:40:31,002 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 [2021-11-07 16:40:31,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/889c23fa4/0435875bf80c48c28a94464ff046a287/FLAGd98949e4d [2021-11-07 16:40:31,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/889c23fa4/0435875bf80c48c28a94464ff046a287 [2021-11-07 16:40:31,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 16:40:31,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 16:40:31,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 16:40:31,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 16:40:31,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 16:40:31,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:40:31" (1/1) ... [2021-11-07 16:40:31,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a45e632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:31, skipping insertion in model container [2021-11-07 16:40:31,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:40:31" (1/1) ... [2021-11-07 16:40:31,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 16:40:31,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 16:40:35,915 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] [2021-11-07 16:40:35,918 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] [2021-11-07 16:40:35,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 16:40:35,967 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 16:40:36,373 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] [2021-11-07 16:40:36,374 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] [2021-11-07 16:40:36,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 16:40:36,760 INFO L208 MainTranslator]: Completed translation [2021-11-07 16:40:36,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36 WrapperNode [2021-11-07 16:40:36,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 16:40:36,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 16:40:36,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 16:40:36,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 16:40:36,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36" (1/1) ... [2021-11-07 16:40:36,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36" (1/1) ... [2021-11-07 16:40:37,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 16:40:37,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 16:40:37,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 16:40:37,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 16:40:37,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36" (1/1) ... [2021-11-07 16:40:37,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36" (1/1) ... [2021-11-07 16:40:37,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36" (1/1) ... [2021-11-07 16:40:37,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36" (1/1) ... [2021-11-07 16:40:38,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36" (1/1) ... [2021-11-07 16:40:38,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36" (1/1) ... [2021-11-07 16:40:38,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36" (1/1) ... [2021-11-07 16:40:38,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 16:40:38,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 16:40:38,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 16:40:38,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 16:40:38,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36" (1/1) ... [2021-11-07 16:40:38,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 16:40:38,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 16:40:38,652 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) [2021-11-07 16:40:38,674 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 [2021-11-07 16:40:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-07 16:40:38,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-07 16:40:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-07 16:40:38,692 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-07 16:40:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-07 16:40:38,692 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-07 16:40:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-07 16:40:38,693 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-07 16:40:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-07 16:40:38,693 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-07 16:40:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 16:40:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-07 16:40:38,693 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-07 16:40:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 16:40:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 16:40:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 16:40:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-07 16:40:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-07 16:40:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-07 16:40:38,694 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-07 16:40:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 16:40:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 16:40:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 16:40:38,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 16:40:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 16:40:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-07 16:40:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-07 16:40:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-07 16:40:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-07 16:40:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-07 16:40:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-07 16:40:38,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 16:40:38,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 16:40:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-07 16:40:38,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-07 16:40:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-07 16:40:38,696 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-07 16:40:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 16:40:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 16:40:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-07 16:40:38,696 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-07 16:40:38,696 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-07 16:40:38,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-07 16:40:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-07 16:40:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 16:40:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 16:40:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-07 16:40:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-07 16:40:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 16:40:38,698 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-07 16:40:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-07 16:40:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 16:40:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-07 16:40:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-07 16:40:38,699 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-07 16:40:38,699 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-07 16:40:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-07 16:40:38,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-07 16:40:38,700 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-07 16:40:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-07 16:40:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 16:40:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 16:40:38,701 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-07 16:40:38,701 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-07 16:40:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-07 16:40:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 16:40:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-07 16:40:38,702 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-07 16:40:38,702 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-07 16:40:38,702 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-07 16:40:38,703 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-07 16:40:38,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-07 16:40:56,175 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#6: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#7: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#5: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-07 16:40:56,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#8: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#9: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,178 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-07 16:40:56,178 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#19: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,178 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#18: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,178 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#17: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,178 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#16: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,179 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#15: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,179 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#14: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,179 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#13: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,179 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#12: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,179 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#11: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,179 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#10: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,179 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#20: ldv_switch_1_#res := 0; [2021-11-07 16:40:56,180 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 16:40:56,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 16:40:56,229 INFO L299 CfgBuilder]: Removed 5860 assume(true) statements. [2021-11-07 16:40:56,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:40:56 BoogieIcfgContainer [2021-11-07 16:40:56,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 16:40:56,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 16:40:56,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 16:40:56,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 16:40:56,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:40:31" (1/3) ... [2021-11-07 16:40:56,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8af3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:40:56, skipping insertion in model container [2021-11-07 16:40:56,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:40:36" (2/3) ... [2021-11-07 16:40:56,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8af3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:40:56, skipping insertion in model container [2021-11-07 16:40:56,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:40:56" (3/3) ... [2021-11-07 16:40:56,249 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-07 16:40:56,254 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 16:40:56,254 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2021-11-07 16:40:56,320 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 16:40:56,327 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 [2021-11-07 16:40:56,327 INFO L340 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2021-11-07 16:40:56,419 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) [2021-11-07 16:40:56,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-07 16:40:56,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:40:56,441 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] [2021-11-07 16:40:56,442 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)] === [2021-11-07 16:40:56,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:40:56,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1601781280, now seen corresponding path program 1 times [2021-11-07 16:40:56,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:40:56,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234212767] [2021-11-07 16:40:56,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:40:56,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:40:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:40:57,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:40:57,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:40:57,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234212767] [2021-11-07 16:40:57,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234212767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:40:57,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:40:57,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:40:57,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431275438] [2021-11-07 16:40:57,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:40:57,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:40:57,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:40:57,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:40:57,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:40:57,262 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) [2021-11-07 16:40:59,341 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 [] [2021-11-07 16:41:00,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:41:00,012 INFO L93 Difference]: Finished difference Result 17617 states and 24623 transitions. [2021-11-07 16:41:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:41:00,015 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 [2021-11-07 16:41:00,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:41:00,094 INFO L225 Difference]: With dead ends: 17617 [2021-11-07 16:41:00,095 INFO L226 Difference]: Without dead ends: 11119 [2021-11-07 16:41:00,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.99ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:00,140 INFO L933 BasicCegarLoop]: 8343 mSDtfsCounter, 7641 mSDsluCounter, 8281 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2108.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7641 SdHoareTripleChecker+Valid, 16624 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 48.42ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2265.02ms IncrementalHoareTripleChecker+Time [2021-11-07 16:41:00,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7641 Valid, 16624 Invalid, 32 Unknown, 0 Unchecked, 48.42ms Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2265.02ms Time] [2021-11-07 16:41:00,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11119 states. [2021-11-07 16:41:00,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11119 to 11067. [2021-11-07 16:41:00,450 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) [2021-11-07 16:41:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11067 states to 11067 states and 14982 transitions. [2021-11-07 16:41:00,501 INFO L78 Accepts]: Start accepts. Automaton has 11067 states and 14982 transitions. Word has length 147 [2021-11-07 16:41:00,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:41:00,504 INFO L470 AbstractCegarLoop]: Abstraction has 11067 states and 14982 transitions. [2021-11-07 16:41:00,505 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) [2021-11-07 16:41:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 11067 states and 14982 transitions. [2021-11-07 16:41:00,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-07 16:41:00,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:41:00,515 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] [2021-11-07 16:41:00,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 16:41:00,516 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)] === [2021-11-07 16:41:00,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:41:00,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1469449811, now seen corresponding path program 1 times [2021-11-07 16:41:00,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:41:00,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342744991] [2021-11-07 16:41:00,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:41:00,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:41:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:41:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:41:00,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:41:00,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342744991] [2021-11-07 16:41:00,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342744991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:41:00,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:41:00,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:41:00,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262959811] [2021-11-07 16:41:00,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:41:00,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:41:00,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:41:00,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:41:00,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:00,850 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) [2021-11-07 16:41:02,910 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 [] [2021-11-07 16:41:03,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:41:03,558 INFO L93 Difference]: Finished difference Result 32495 states and 44150 transitions. [2021-11-07 16:41:03,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:41:03,559 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 [2021-11-07 16:41:03,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:41:03,657 INFO L225 Difference]: With dead ends: 32495 [2021-11-07 16:41:03,657 INFO L226 Difference]: Without dead ends: 21768 [2021-11-07 16:41:03,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.64ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:03,703 INFO L933 BasicCegarLoop]: 7929 mSDtfsCounter, 7333 mSDsluCounter, 7723 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2092.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7333 SdHoareTripleChecker+Valid, 15652 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.92ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2212.20ms IncrementalHoareTripleChecker+Time [2021-11-07 16:41:03,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7333 Valid, 15652 Invalid, 32 Unknown, 0 Unchecked, 27.92ms Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2212.20ms Time] [2021-11-07 16:41:03,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21768 states. [2021-11-07 16:41:04,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21768 to 21712. [2021-11-07 16:41:04,180 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) [2021-11-07 16:41:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21712 states to 21712 states and 29508 transitions. [2021-11-07 16:41:04,248 INFO L78 Accepts]: Start accepts. Automaton has 21712 states and 29508 transitions. Word has length 163 [2021-11-07 16:41:04,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:41:04,249 INFO L470 AbstractCegarLoop]: Abstraction has 21712 states and 29508 transitions. [2021-11-07 16:41:04,250 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) [2021-11-07 16:41:04,250 INFO L276 IsEmpty]: Start isEmpty. Operand 21712 states and 29508 transitions. [2021-11-07 16:41:04,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-07 16:41:04,255 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:41:04,256 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] [2021-11-07 16:41:04,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 16:41:04,256 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)] === [2021-11-07 16:41:04,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:41:04,257 INFO L85 PathProgramCache]: Analyzing trace with hash -37847282, now seen corresponding path program 1 times [2021-11-07 16:41:04,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:41:04,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590572120] [2021-11-07 16:41:04,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:41:04,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:41:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:41:04,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:41:04,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:41:04,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590572120] [2021-11-07 16:41:04,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590572120] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:41:04,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:41:04,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:41:04,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690962635] [2021-11-07 16:41:04,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:41:04,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:41:04,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:41:04,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:41:04,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:04,543 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) [2021-11-07 16:41:06,599 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 [] [2021-11-07 16:41:07,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:41:07,412 INFO L93 Difference]: Finished difference Result 63054 states and 85892 transitions. [2021-11-07 16:41:07,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:41:07,413 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 [2021-11-07 16:41:07,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:41:07,573 INFO L225 Difference]: With dead ends: 63054 [2021-11-07 16:41:07,573 INFO L226 Difference]: Without dead ends: 41682 [2021-11-07 16:41:07,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.53ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:07,657 INFO L933 BasicCegarLoop]: 7947 mSDtfsCounter, 6878 mSDsluCounter, 7725 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2087.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6878 SdHoareTripleChecker+Valid, 15672 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.05ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2248.12ms IncrementalHoareTripleChecker+Time [2021-11-07 16:41:07,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6878 Valid, 15672 Invalid, 32 Unknown, 0 Unchecked, 25.05ms Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2248.12ms Time] [2021-11-07 16:41:07,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41682 states. [2021-11-07 16:41:08,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41682 to 41626. [2021-11-07 16:41:08,935 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) [2021-11-07 16:41:09,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41626 states to 41626 states and 56712 transitions. [2021-11-07 16:41:09,078 INFO L78 Accepts]: Start accepts. Automaton has 41626 states and 56712 transitions. Word has length 162 [2021-11-07 16:41:09,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:41:09,079 INFO L470 AbstractCegarLoop]: Abstraction has 41626 states and 56712 transitions. [2021-11-07 16:41:09,080 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) [2021-11-07 16:41:09,081 INFO L276 IsEmpty]: Start isEmpty. Operand 41626 states and 56712 transitions. [2021-11-07 16:41:09,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-07 16:41:09,086 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:41:09,086 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] [2021-11-07 16:41:09,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 16:41:09,086 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)] === [2021-11-07 16:41:09,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:41:09,087 INFO L85 PathProgramCache]: Analyzing trace with hash 303527663, now seen corresponding path program 1 times [2021-11-07 16:41:09,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:41:09,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877965519] [2021-11-07 16:41:09,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:41:09,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:41:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:41:09,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:41:09,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:41:09,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877965519] [2021-11-07 16:41:09,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877965519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:41:09,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:41:09,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:41:09,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192887404] [2021-11-07 16:41:09,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:41:09,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:41:09,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:41:09,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:41:09,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:09,360 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) [2021-11-07 16:41:11,414 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 [] [2021-11-07 16:41:13,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:41:13,256 INFO L93 Difference]: Finished difference Result 122766 states and 168076 transitions. [2021-11-07 16:41:13,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:41:13,256 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 [2021-11-07 16:41:13,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:41:13,634 INFO L225 Difference]: With dead ends: 122766 [2021-11-07 16:41:13,634 INFO L226 Difference]: Without dead ends: 81480 [2021-11-07 16:41:13,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:13,725 INFO L933 BasicCegarLoop]: 7845 mSDtfsCounter, 7186 mSDsluCounter, 7709 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2104.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7186 SdHoareTripleChecker+Valid, 15554 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.31ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2266.41ms IncrementalHoareTripleChecker+Time [2021-11-07 16:41:13,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7186 Valid, 15554 Invalid, 53 Unknown, 0 Unchecked, 24.31ms Time], IncrementalHoareTripleChecker [9 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 2266.41ms Time] [2021-11-07 16:41:13,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81480 states. [2021-11-07 16:41:15,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81480 to 80648. [2021-11-07 16:41:15,549 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) [2021-11-07 16:41:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80648 states to 80648 states and 110626 transitions. [2021-11-07 16:41:16,189 INFO L78 Accepts]: Start accepts. Automaton has 80648 states and 110626 transitions. Word has length 167 [2021-11-07 16:41:16,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:41:16,190 INFO L470 AbstractCegarLoop]: Abstraction has 80648 states and 110626 transitions. [2021-11-07 16:41:16,190 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) [2021-11-07 16:41:16,190 INFO L276 IsEmpty]: Start isEmpty. Operand 80648 states and 110626 transitions. [2021-11-07 16:41:16,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-07 16:41:16,193 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:41:16,193 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] [2021-11-07 16:41:16,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 16:41:16,194 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)] === [2021-11-07 16:41:16,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:41:16,194 INFO L85 PathProgramCache]: Analyzing trace with hash 82073371, now seen corresponding path program 1 times [2021-11-07 16:41:16,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:41:16,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497541773] [2021-11-07 16:41:16,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:41:16,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:41:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:41:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:41:16,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:41:16,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497541773] [2021-11-07 16:41:16,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497541773] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:41:16,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:41:16,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:41:16,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62399976] [2021-11-07 16:41:16,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:41:16,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:41:16,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:41:16,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:41:16,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:16,493 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) [2021-11-07 16:41:18,555 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 [] [2021-11-07 16:41:20,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:41:20,786 INFO L93 Difference]: Finished difference Result 170453 states and 233921 transitions. [2021-11-07 16:41:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:41:20,786 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 [2021-11-07 16:41:20,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:41:21,184 INFO L225 Difference]: With dead ends: 170453 [2021-11-07 16:41:21,185 INFO L226 Difference]: Without dead ends: 90145 [2021-11-07 16:41:21,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.81ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:21,403 INFO L933 BasicCegarLoop]: 7832 mSDtfsCounter, 6706 mSDsluCounter, 7677 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2104.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6706 SdHoareTripleChecker+Valid, 15509 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.34ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2245.85ms IncrementalHoareTripleChecker+Time [2021-11-07 16:41:21,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6706 Valid, 15509 Invalid, 48 Unknown, 0 Unchecked, 17.34ms Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2245.85ms Time] [2021-11-07 16:41:21,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90145 states. [2021-11-07 16:41:23,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90145 to 90103. [2021-11-07 16:41:23,570 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) [2021-11-07 16:41:24,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90103 states to 90103 states and 123640 transitions. [2021-11-07 16:41:24,130 INFO L78 Accepts]: Start accepts. Automaton has 90103 states and 123640 transitions. Word has length 166 [2021-11-07 16:41:24,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:41:24,131 INFO L470 AbstractCegarLoop]: Abstraction has 90103 states and 123640 transitions. [2021-11-07 16:41:24,131 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) [2021-11-07 16:41:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 90103 states and 123640 transitions. [2021-11-07 16:41:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-07 16:41:24,135 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:41:24,135 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] [2021-11-07 16:41:24,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 16:41:24,136 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)] === [2021-11-07 16:41:24,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:41:24,137 INFO L85 PathProgramCache]: Analyzing trace with hash -2004549038, now seen corresponding path program 1 times [2021-11-07 16:41:24,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:41:24,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043123256] [2021-11-07 16:41:24,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:41:24,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:41:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:41:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:41:24,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:41:24,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043123256] [2021-11-07 16:41:24,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043123256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:41:24,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:41:24,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:41:24,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539844929] [2021-11-07 16:41:24,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:41:24,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:41:24,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:41:24,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:41:24,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:24,432 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) [2021-11-07 16:41:26,493 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 [] [2021-11-07 16:41:30,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:41:30,025 INFO L93 Difference]: Finished difference Result 259986 states and 356882 transitions. [2021-11-07 16:41:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:41:30,026 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 [2021-11-07 16:41:30,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:41:30,879 INFO L225 Difference]: With dead ends: 259986 [2021-11-07 16:41:30,879 INFO L226 Difference]: Without dead ends: 170223 [2021-11-07 16:41:31,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:31,108 INFO L933 BasicCegarLoop]: 9267 mSDtfsCounter, 7333 mSDsluCounter, 7724 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2099.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7333 SdHoareTripleChecker+Valid, 16991 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.14ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2245.97ms IncrementalHoareTripleChecker+Time [2021-11-07 16:41:31,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7333 Valid, 16991 Invalid, 32 Unknown, 0 Unchecked, 20.14ms Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2245.97ms Time] [2021-11-07 16:41:31,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170223 states. [2021-11-07 16:41:34,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170223 to 170155. [2021-11-07 16:41:34,827 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) [2021-11-07 16:41:35,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170155 states to 170155 states and 233490 transitions. [2021-11-07 16:41:35,887 INFO L78 Accepts]: Start accepts. Automaton has 170155 states and 233490 transitions. Word has length 175 [2021-11-07 16:41:35,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 16:41:35,887 INFO L470 AbstractCegarLoop]: Abstraction has 170155 states and 233490 transitions. [2021-11-07 16:41:35,888 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) [2021-11-07 16:41:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 170155 states and 233490 transitions. [2021-11-07 16:41:35,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-07 16:41:35,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 16:41:35,893 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] [2021-11-07 16:41:35,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 16:41:35,893 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)] === [2021-11-07 16:41:35,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 16:41:35,894 INFO L85 PathProgramCache]: Analyzing trace with hash 264703112, now seen corresponding path program 1 times [2021-11-07 16:41:35,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 16:41:35,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314003175] [2021-11-07 16:41:35,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 16:41:35,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 16:41:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 16:41:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 16:41:36,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 16:41:36,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314003175] [2021-11-07 16:41:36,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314003175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 16:41:36,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 16:41:36,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 16:41:36,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937848648] [2021-11-07 16:41:36,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 16:41:36,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 16:41:36,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 16:41:36,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 16:41:36,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 16:41:36,170 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) [2021-11-07 16:41:38,230 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 [] [2021-11-07 16:41:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 16:41:44,983 INFO L93 Difference]: Finished difference Result 464714 states and 638350 transitions. [2021-11-07 16:41:44,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 16:41:44,985 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 [2021-11-07 16:41:44,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 16:41:46,316 INFO L225 Difference]: With dead ends: 464714 [2021-11-07 16:41:46,317 INFO L226 Difference]: Without dead ends: 294899