./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dbf26404e70c3394fd0367244976693545d30c1a748b5c7360fa4057d4decd8b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 16:02:56,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 16:02:56,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 16:02:56,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 16:02:56,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 16:02:56,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 16:02:56,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 16:02:56,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 16:02:56,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 16:02:56,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 16:02:56,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 16:02:56,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 16:02:56,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 16:02:56,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 16:02:56,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 16:02:56,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 16:02:56,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 16:02:56,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 16:02:56,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 16:02:56,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 16:02:56,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 16:02:56,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 16:02:56,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 16:02:56,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 16:02:56,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 16:02:56,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 16:02:56,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 16:02:56,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 16:02:56,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 16:02:56,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 16:02:56,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 16:02:56,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 16:02:56,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 16:02:56,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 16:02:56,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 16:02:56,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 16:02:56,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 16:02:56,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 16:02:56,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 16:02:56,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 16:02:56,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 16:02:56,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 16:02:56,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 16:02:56,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 16:02:56,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 16:02:56,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 16:02:56,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 16:02:56,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 16:02:56,467 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 16:02:56,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 16:02:56,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 16:02:56,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 16:02:56,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 16:02:56,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 16:02:56,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 16:02:56,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 16:02:56,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 16:02:56,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 16:02:56,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 16:02:56,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 16:02:56,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 16:02:56,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 16:02:56,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 16:02:56,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 16:02:56,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 16:02:56,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 16:02:56,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 16:02:56,470 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 16:02:56,470 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 16:02:56,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 16:02:56,471 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 16:02:56,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf26404e70c3394fd0367244976693545d30c1a748b5c7360fa4057d4decd8b [2021-11-06 16:02:56,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 16:02:56,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 16:02:56,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 16:02:56,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 16:02:56,666 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 16:02:56,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2021-11-06 16:02:56,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57bfae7de/8b5346b2c7f04704982dd731a88f088c/FLAG44fa3726a [2021-11-06 16:02:57,355 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 16:02:57,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2021-11-06 16:02:57,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57bfae7de/8b5346b2c7f04704982dd731a88f088c/FLAG44fa3726a [2021-11-06 16:02:57,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57bfae7de/8b5346b2c7f04704982dd731a88f088c [2021-11-06 16:02:57,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 16:02:57,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 16:02:57,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 16:02:57,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 16:02:57,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 16:02:57,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:02:57" (1/1) ... [2021-11-06 16:02:57,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc728db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:02:57, skipping insertion in model container [2021-11-06 16:02:57,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:02:57" (1/1) ... [2021-11-06 16:02:57,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 16:02:57,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 16:02:59,547 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i[393184,393197] [2021-11-06 16:02:59,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 16:02:59,655 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 16:02:59,974 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i[393184,393197] [2021-11-06 16:02:59,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 16:03:00,200 INFO L208 MainTranslator]: Completed translation [2021-11-06 16:03:00,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00 WrapperNode [2021-11-06 16:03:00,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 16:03:00,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 16:03:00,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 16:03:00,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 16:03:00,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00" (1/1) ... [2021-11-06 16:03:00,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00" (1/1) ... [2021-11-06 16:03:01,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 16:03:01,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 16:03:01,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 16:03:01,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 16:03:01,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00" (1/1) ... [2021-11-06 16:03:01,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00" (1/1) ... [2021-11-06 16:03:01,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00" (1/1) ... [2021-11-06 16:03:01,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00" (1/1) ... [2021-11-06 16:03:01,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00" (1/1) ... [2021-11-06 16:03:01,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00" (1/1) ... [2021-11-06 16:03:01,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00" (1/1) ... [2021-11-06 16:03:02,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 16:03:02,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 16:03:02,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 16:03:02,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 16:03:02,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00" (1/1) ... [2021-11-06 16:03:02,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 16:03:02,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:03:02,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 16:03:02,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 16:03:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-06 16:03:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-06 16:03:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-06 16:03:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-06 16:03:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-06 16:03:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-06 16:03:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-06 16:03:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-06 16:03:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-06 16:03:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-06 16:03:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 16:03:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-06 16:03:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-06 16:03:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 16:03:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 16:03:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 16:03:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-06 16:03:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-06 16:03:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-06 16:03:02,218 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-06 16:03:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 16:03:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 16:03:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-06 16:03:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 16:03:02,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 16:03:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-06 16:03:02,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-06 16:03:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-06 16:03:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-06 16:03:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-06 16:03:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-06 16:03:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 16:03:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 16:03:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-06 16:03:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-06 16:03:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-06 16:03:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-06 16:03:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-06 16:03:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 16:03:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 16:03:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-06 16:03:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-06 16:03:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-06 16:03:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-06 16:03:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-06 16:03:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 16:03:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 16:03:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-06 16:03:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-06 16:03:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 16:03:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-06 16:03:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-06 16:03:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 16:03:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-06 16:03:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-06 16:03:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-06 16:03:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-06 16:03:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-06 16:03:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-06 16:03:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-06 16:03:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-06 16:03:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-06 16:03:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-06 16:03:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-06 16:03:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-06 16:03:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 16:03:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-06 16:03:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-06 16:03:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-06 16:03:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-06 16:03:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-06 16:03:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-06 16:03:17,894 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 16:03:17,904 INFO L299 CfgBuilder]: Removed 5858 assume(true) statements. [2021-11-06 16:03:17,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:03:17 BoogieIcfgContainer [2021-11-06 16:03:17,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 16:03:17,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 16:03:17,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 16:03:17,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 16:03:17,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 04:02:57" (1/3) ... [2021-11-06 16:03:17,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2524ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:03:17, skipping insertion in model container [2021-11-06 16:03:17,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:03:00" (2/3) ... [2021-11-06 16:03:17,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2524ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:03:17, skipping insertion in model container [2021-11-06 16:03:17,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:03:17" (3/3) ... [2021-11-06 16:03:17,938 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2021-11-06 16:03:17,942 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 16:03:17,942 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-06 16:03:18,014 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 16:03:18,017 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 16:03:18,018 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-06 16:03:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 6573 states, 6495 states have (on average 1.4734411085450347) internal successors, (9570), 6501 states have internal predecessors, (9570), 47 states have call successors, (47), 27 states have call predecessors, (47), 27 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-06 16:03:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-06 16:03:18,104 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:03:18,104 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:03:18,105 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:03:18,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:03:18,108 INFO L85 PathProgramCache]: Analyzing trace with hash 553429760, now seen corresponding path program 1 times [2021-11-06 16:03:18,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:03:18,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869468776] [2021-11-06 16:03:18,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:03:18,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:03:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:03:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:03:18,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:03:18,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869468776] [2021-11-06 16:03:18,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869468776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:03:18,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:03:18,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 16:03:18,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208192988] [2021-11-06 16:03:18,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 16:03:18,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:03:18,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 16:03:18,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 16:03:18,638 INFO L87 Difference]: Start difference. First operand has 6573 states, 6495 states have (on average 1.4734411085450347) internal successors, (9570), 6501 states have internal predecessors, (9570), 47 states have call successors, (47), 27 states have call predecessors, (47), 27 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 85.5) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 16:03:18,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:03:18,962 INFO L93 Difference]: Finished difference Result 13142 states and 19370 transitions. [2021-11-06 16:03:18,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 16:03:18,963 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 85.5) internal successors, (171), 2 states have internal predecessors, (171), 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 171 [2021-11-06 16:03:18,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:03:19,012 INFO L225 Difference]: With dead ends: 13142 [2021-11-06 16:03:19,013 INFO L226 Difference]: Without dead ends: 6554 [2021-11-06 16:03:19,037 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 16:03:19,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6554 states. [2021-11-06 16:03:19,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6554 to 6554. [2021-11-06 16:03:19,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6554 states, 6477 states have (on average 1.4583912305079512) internal successors, (9446), 6482 states have internal predecessors, (9446), 47 states have call successors, (47), 27 states have call predecessors, (47), 27 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-06 16:03:19,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6554 states to 6554 states and 9540 transitions. [2021-11-06 16:03:19,233 INFO L78 Accepts]: Start accepts. Automaton has 6554 states and 9540 transitions. Word has length 171 [2021-11-06 16:03:19,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:03:19,234 INFO L470 AbstractCegarLoop]: Abstraction has 6554 states and 9540 transitions. [2021-11-06 16:03:19,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 85.5) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 16:03:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 6554 states and 9540 transitions. [2021-11-06 16:03:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-06 16:03:19,247 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:03:19,247 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:03:19,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 16:03:19,248 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:03:19,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:03:19,250 INFO L85 PathProgramCache]: Analyzing trace with hash 2110300698, now seen corresponding path program 1 times [2021-11-06 16:03:19,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:03:19,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935792269] [2021-11-06 16:03:19,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:03:19,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:03:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:03:19,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:03:19,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:03:19,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935792269] [2021-11-06 16:03:19,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935792269] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:03:19,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:03:19,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 16:03:19,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351294516] [2021-11-06 16:03:19,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:03:19,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:03:19,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:03:19,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:03:19,579 INFO L87 Difference]: Start difference. First operand 6554 states and 9540 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 16:03:22,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:03:22,011 INFO L93 Difference]: Finished difference Result 19307 states and 28220 transitions. [2021-11-06 16:03:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:03:22,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 171 [2021-11-06 16:03:22,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:03:22,070 INFO L225 Difference]: With dead ends: 19307 [2021-11-06 16:03:22,070 INFO L226 Difference]: Without dead ends: 12909 [2021-11-06 16:03:22,090 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:03:22,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12909 states. [2021-11-06 16:03:22,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12909 to 12905. [2021-11-06 16:03:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12905 states, 12754 states have (on average 1.4633840363807433) internal successors, (18664), 12762 states have internal predecessors, (18664), 94 states have call successors, (94), 54 states have call predecessors, (94), 54 states have return successors, (94), 92 states have call predecessors, (94), 94 states have call successors, (94) [2021-11-06 16:03:22,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12905 states to 12905 states and 18852 transitions. [2021-11-06 16:03:22,429 INFO L78 Accepts]: Start accepts. Automaton has 12905 states and 18852 transitions. Word has length 171 [2021-11-06 16:03:22,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:03:22,429 INFO L470 AbstractCegarLoop]: Abstraction has 12905 states and 18852 transitions. [2021-11-06 16:03:22,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 16:03:22,430 INFO L276 IsEmpty]: Start isEmpty. Operand 12905 states and 18852 transitions. [2021-11-06 16:03:22,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-06 16:03:22,432 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:03:22,433 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:03:22,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 16:03:22,433 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:03:22,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:03:22,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1014122229, now seen corresponding path program 1 times [2021-11-06 16:03:22,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:03:22,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677150626] [2021-11-06 16:03:22,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:03:22,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:03:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:03:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:03:22,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:03:22,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677150626] [2021-11-06 16:03:22,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677150626] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:03:22,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:03:22,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 16:03:22,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256275829] [2021-11-06 16:03:22,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:03:22,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:03:22,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:03:22,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:03:22,930 INFO L87 Difference]: Start difference. First operand 12905 states and 18852 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 16:03:23,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:03:23,369 INFO L93 Difference]: Finished difference Result 38397 states and 56385 transitions. [2021-11-06 16:03:23,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:03:23,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 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 174 [2021-11-06 16:03:23,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:03:23,483 INFO L225 Difference]: With dead ends: 38397 [2021-11-06 16:03:23,483 INFO L226 Difference]: Without dead ends: 25642 [2021-11-06 16:03:23,524 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:03:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25642 states. [2021-11-06 16:03:24,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25642 to 25636. [2021-11-06 16:03:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25636 states, 25337 states have (on average 1.4654457907408138) internal successors, (37130), 25351 states have internal predecessors, (37130), 188 states have call successors, (188), 108 states have call predecessors, (188), 108 states have return successors, (282), 184 states have call predecessors, (282), 188 states have call successors, (282) [2021-11-06 16:03:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25636 states to 25636 states and 37600 transitions. [2021-11-06 16:03:24,217 INFO L78 Accepts]: Start accepts. Automaton has 25636 states and 37600 transitions. Word has length 174 [2021-11-06 16:03:24,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:03:24,218 INFO L470 AbstractCegarLoop]: Abstraction has 25636 states and 37600 transitions. [2021-11-06 16:03:24,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 16:03:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 25636 states and 37600 transitions. [2021-11-06 16:03:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-06 16:03:24,225 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:03:24,225 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:03:24,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 16:03:24,226 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:03:24,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:03:24,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1839858973, now seen corresponding path program 1 times [2021-11-06 16:03:24,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:03:24,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821935081] [2021-11-06 16:03:24,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:03:24,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:03:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:03:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:03:24,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:03:24,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821935081] [2021-11-06 16:03:24,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821935081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:03:24,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:03:24,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 16:03:24,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342376934] [2021-11-06 16:03:24,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:03:24,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:03:24,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:03:24,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:03:24,460 INFO L87 Difference]: Start difference. First operand 25636 states and 37600 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 16:03:25,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:03:25,504 INFO L93 Difference]: Finished difference Result 70412 states and 102726 transitions. [2021-11-06 16:03:25,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:03:25,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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 203 [2021-11-06 16:03:25,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:03:25,663 INFO L225 Difference]: With dead ends: 70412 [2021-11-06 16:03:25,664 INFO L226 Difference]: Without dead ends: 44932 [2021-11-06 16:03:25,722 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:03:25,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44932 states. [2021-11-06 16:03:26,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44932 to 44882. [2021-11-06 16:03:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44882 states, 44319 states have (on average 1.452920869153185) internal successors, (64392), 44345 states have internal predecessors, (64392), 344 states have call successors, (344), 216 states have call predecessors, (344), 216 states have return successors, (516), 336 states have call predecessors, (516), 344 states have call successors, (516) [2021-11-06 16:03:26,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44882 states to 44882 states and 65252 transitions. [2021-11-06 16:03:26,859 INFO L78 Accepts]: Start accepts. Automaton has 44882 states and 65252 transitions. Word has length 203 [2021-11-06 16:03:26,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:03:26,860 INFO L470 AbstractCegarLoop]: Abstraction has 44882 states and 65252 transitions. [2021-11-06 16:03:26,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 16:03:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 44882 states and 65252 transitions. [2021-11-06 16:03:26,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-06 16:03:26,875 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:03:26,876 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:03:26,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 16:03:26,877 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:03:26,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:03:26,878 INFO L85 PathProgramCache]: Analyzing trace with hash -338064109, now seen corresponding path program 1 times [2021-11-06 16:03:26,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:03:26,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677926507] [2021-11-06 16:03:26,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:03:26,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:03:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:03:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:03:27,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:03:27,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677926507] [2021-11-06 16:03:27,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677926507] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:03:27,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:03:27,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 16:03:27,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93445901] [2021-11-06 16:03:27,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:03:27,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:03:27,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:03:27,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:03:27,206 INFO L87 Difference]: Start difference. First operand 44882 states and 65252 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 16:03:30,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:03:30,810 INFO L93 Difference]: Finished difference Result 109300 states and 158814 transitions. [2021-11-06 16:03:30,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:03:30,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 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 242 [2021-11-06 16:03:30,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:03:31,185 INFO L225 Difference]: With dead ends: 109300 [2021-11-06 16:03:31,185 INFO L226 Difference]: Without dead ends: 64574 [2021-11-06 16:03:31,273 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:03:31,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64574 states. [2021-11-06 16:03:32,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64574 to 64524. [2021-11-06 16:03:32,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64524 states, 63697 states have (on average 1.4468185314849993) internal successors, (92158), 63735 states have internal predecessors, (92158), 500 states have call successors, (500), 324 states have call predecessors, (500), 324 states have return successors, (750), 488 states have call predecessors, (750), 500 states have call successors, (750) [2021-11-06 16:03:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64524 states to 64524 states and 93408 transitions. [2021-11-06 16:03:32,806 INFO L78 Accepts]: Start accepts. Automaton has 64524 states and 93408 transitions. Word has length 242 [2021-11-06 16:03:32,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:03:32,806 INFO L470 AbstractCegarLoop]: Abstraction has 64524 states and 93408 transitions. [2021-11-06 16:03:32,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 16:03:32,807 INFO L276 IsEmpty]: Start isEmpty. Operand 64524 states and 93408 transitions. [2021-11-06 16:03:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-06 16:03:32,834 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:03:32,835 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:03:32,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 16:03:32,835 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:03:32,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:03:32,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1293165516, now seen corresponding path program 1 times [2021-11-06 16:03:32,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:03:32,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822694793] [2021-11-06 16:03:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:03:32,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:03:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:03:33,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-06 16:03:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:03:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 16:03:33,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:03:33,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822694793] [2021-11-06 16:03:33,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822694793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:03:33,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:03:33,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 16:03:33,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193364206] [2021-11-06 16:03:33,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 16:03:33,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:03:33,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 16:03:33,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-06 16:03:33,575 INFO L87 Difference]: Start difference. First operand 64524 states and 93408 transitions. Second operand has 6 states, 6 states have (on average 44.666666666666664) internal successors, (268), 4 states have internal predecessors, (268), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:03:53,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:03:53,277 INFO L93 Difference]: Finished difference Result 156862 states and 227552 transitions. [2021-11-06 16:03:53,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-06 16:03:53,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 44.666666666666664) internal successors, (268), 4 states have internal predecessors, (268), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 273 [2021-11-06 16:03:53,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:03:53,615 INFO L225 Difference]: With dead ends: 156862 [2021-11-06 16:03:53,615 INFO L226 Difference]: Without dead ends: 92494 [2021-11-06 16:03:53,747 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-06 16:03:53,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92494 states. [2021-11-06 16:03:55,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92494 to 66432. [2021-11-06 16:03:55,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66432 states, 65483 states have (on average 1.4492921827039078) internal successors, (94904), 65567 states have internal predecessors, (94904), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:03:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66432 states to 66432 states and 96364 transitions. [2021-11-06 16:03:55,934 INFO L78 Accepts]: Start accepts. Automaton has 66432 states and 96364 transitions. Word has length 273 [2021-11-06 16:03:55,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:03:55,936 INFO L470 AbstractCegarLoop]: Abstraction has 66432 states and 96364 transitions. [2021-11-06 16:03:55,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.666666666666664) internal successors, (268), 4 states have internal predecessors, (268), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:03:55,936 INFO L276 IsEmpty]: Start isEmpty. Operand 66432 states and 96364 transitions. [2021-11-06 16:03:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-06 16:03:55,974 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:03:55,974 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:03:55,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 16:03:55,975 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:03:55,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:03:55,975 INFO L85 PathProgramCache]: Analyzing trace with hash -612340841, now seen corresponding path program 1 times [2021-11-06 16:03:55,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:03:55,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964136944] [2021-11-06 16:03:55,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:03:55,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:03:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:03:56,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-06 16:03:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:03:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 16:03:56,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:03:56,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964136944] [2021-11-06 16:03:56,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964136944] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:03:56,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:03:56,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 16:03:56,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358018761] [2021-11-06 16:03:56,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 16:03:56,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:03:56,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 16:03:56,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 16:03:56,314 INFO L87 Difference]: Start difference. First operand 66432 states and 96364 transitions. Second operand has 4 states, 4 states have (on average 68.75) internal successors, (275), 3 states have internal predecessors, (275), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:04:06,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:04:06,246 INFO L93 Difference]: Finished difference Result 135729 states and 198019 transitions. [2021-11-06 16:04:06,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 16:04:06,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.75) internal successors, (275), 3 states have internal predecessors, (275), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 280 [2021-11-06 16:04:06,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:04:06,430 INFO L225 Difference]: With dead ends: 135729 [2021-11-06 16:04:06,430 INFO L226 Difference]: Without dead ends: 69453 [2021-11-06 16:04:06,567 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 16:04:06,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69453 states. [2021-11-06 16:04:08,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69453 to 66444. [2021-11-06 16:04:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66444 states, 65495 states have (on average 1.4492098633483472) internal successors, (94916), 65579 states have internal predecessors, (94916), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:04:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66444 states to 66444 states and 96376 transitions. [2021-11-06 16:04:08,343 INFO L78 Accepts]: Start accepts. Automaton has 66444 states and 96376 transitions. Word has length 280 [2021-11-06 16:04:08,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:04:08,344 INFO L470 AbstractCegarLoop]: Abstraction has 66444 states and 96376 transitions. [2021-11-06 16:04:08,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.75) internal successors, (275), 3 states have internal predecessors, (275), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:04:08,344 INFO L276 IsEmpty]: Start isEmpty. Operand 66444 states and 96376 transitions. [2021-11-06 16:04:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-06 16:04:08,375 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:04:08,375 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:04:08,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 16:04:08,376 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:04:08,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:04:08,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1273813549, now seen corresponding path program 1 times [2021-11-06 16:04:08,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:04:08,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469862786] [2021-11-06 16:04:08,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:04:08,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:04:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:04:08,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-06 16:04:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:04:08,836 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 16:04:08,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:04:08,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469862786] [2021-11-06 16:04:08,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469862786] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:04:08,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639456597] [2021-11-06 16:04:08,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:04:08,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:04:08,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:04:08,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 16:04:08,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 16:04:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:04:10,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 5434 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 16:04:10,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 16:04:11,244 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 16:04:11,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639456597] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:04:11,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-06 16:04:11,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2021-11-06 16:04:11,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883575948] [2021-11-06 16:04:11,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 16:04:11,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:04:11,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 16:04:11,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-06 16:04:11,247 INFO L87 Difference]: Start difference. First operand 66444 states and 96376 transitions. Second operand has 6 states, 6 states have (on average 46.833333333333336) internal successors, (281), 5 states have internal predecessors, (281), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:04:22,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:04:22,665 INFO L93 Difference]: Finished difference Result 135765 states and 198055 transitions. [2021-11-06 16:04:22,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 16:04:22,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 46.833333333333336) internal successors, (281), 5 states have internal predecessors, (281), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 282 [2021-11-06 16:04:22,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:04:22,847 INFO L225 Difference]: With dead ends: 135765 [2021-11-06 16:04:22,848 INFO L226 Difference]: Without dead ends: 69477 [2021-11-06 16:04:22,988 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-06 16:04:23,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69477 states. [2021-11-06 16:04:24,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69477 to 66468. [2021-11-06 16:04:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66468 states, 65519 states have (on average 1.449045315099437) internal successors, (94940), 65603 states have internal predecessors, (94940), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:04:24,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66468 states to 66468 states and 96400 transitions. [2021-11-06 16:04:24,749 INFO L78 Accepts]: Start accepts. Automaton has 66468 states and 96400 transitions. Word has length 282 [2021-11-06 16:04:24,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:04:24,749 INFO L470 AbstractCegarLoop]: Abstraction has 66468 states and 96400 transitions. [2021-11-06 16:04:24,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.833333333333336) internal successors, (281), 5 states have internal predecessors, (281), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:04:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 66468 states and 96400 transitions. [2021-11-06 16:04:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-06 16:04:24,819 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:04:24,820 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:04:24,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-06 16:04:25,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:04:25,048 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:04:25,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:04:25,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1293926129, now seen corresponding path program 2 times [2021-11-06 16:04:25,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:04:25,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10640937] [2021-11-06 16:04:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:04:25,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:04:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:04:25,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-06 16:04:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:04:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-06 16:04:25,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:04:25,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10640937] [2021-11-06 16:04:25,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10640937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:04:25,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:04:25,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 16:04:25,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81575585] [2021-11-06 16:04:25,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 16:04:25,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:04:25,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 16:04:25,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 16:04:25,396 INFO L87 Difference]: Start difference. First operand 66468 states and 96400 transitions. Second operand has 5 states, 5 states have (on average 55.4) internal successors, (277), 4 states have internal predecessors, (277), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:04:36,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:04:36,597 INFO L93 Difference]: Finished difference Result 136521 states and 199111 transitions. [2021-11-06 16:04:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 16:04:36,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 55.4) internal successors, (277), 4 states have internal predecessors, (277), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 284 [2021-11-06 16:04:36,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:04:36,844 INFO L225 Difference]: With dead ends: 136521 [2021-11-06 16:04:36,844 INFO L226 Difference]: Without dead ends: 70209 [2021-11-06 16:04:37,141 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-06 16:04:37,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70209 states. [2021-11-06 16:04:38,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70209 to 66492. [2021-11-06 16:04:38,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66492 states, 65543 states have (on average 1.448880887356392) internal successors, (94964), 65627 states have internal predecessors, (94964), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:04:38,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66492 states to 66492 states and 96424 transitions. [2021-11-06 16:04:38,728 INFO L78 Accepts]: Start accepts. Automaton has 66492 states and 96424 transitions. Word has length 284 [2021-11-06 16:04:38,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:04:38,728 INFO L470 AbstractCegarLoop]: Abstraction has 66492 states and 96424 transitions. [2021-11-06 16:04:38,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.4) internal successors, (277), 4 states have internal predecessors, (277), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:04:38,729 INFO L276 IsEmpty]: Start isEmpty. Operand 66492 states and 96424 transitions. [2021-11-06 16:04:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-06 16:04:38,753 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:04:38,753 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:04:38,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-06 16:04:38,753 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:04:38,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:04:38,754 INFO L85 PathProgramCache]: Analyzing trace with hash -147061692, now seen corresponding path program 1 times [2021-11-06 16:04:38,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:04:38,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732759904] [2021-11-06 16:04:38,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:04:38,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:04:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:04:39,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-06 16:04:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:04:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 16:04:39,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:04:39,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732759904] [2021-11-06 16:04:39,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732759904] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:04:39,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096603051] [2021-11-06 16:04:39,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:04:39,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:04:39,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:04:39,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 16:04:39,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 16:04:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:04:40,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 5488 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-06 16:04:40,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 16:04:41,326 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 16:04:41,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096603051] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:04:41,327 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-06 16:04:41,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-11-06 16:04:41,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740634129] [2021-11-06 16:04:41,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-06 16:04:41,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:04:41,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-06 16:04:41,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 16:04:41,335 INFO L87 Difference]: Start difference. First operand 66492 states and 96424 transitions. Second operand has 7 states, 7 states have (on average 41.142857142857146) internal successors, (288), 6 states have internal predecessors, (288), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:04:52,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:04:52,098 INFO L93 Difference]: Finished difference Result 135861 states and 198151 transitions. [2021-11-06 16:04:52,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 16:04:52,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 41.142857142857146) internal successors, (288), 6 states have internal predecessors, (288), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 289 [2021-11-06 16:04:52,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:04:52,487 INFO L225 Difference]: With dead ends: 135861 [2021-11-06 16:04:52,487 INFO L226 Difference]: Without dead ends: 69525 [2021-11-06 16:04:52,606 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 16:04:52,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69525 states. [2021-11-06 16:04:54,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69525 to 66516. [2021-11-06 16:04:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66516 states, 65567 states have (on average 1.4487165799868837) internal successors, (94988), 65651 states have internal predecessors, (94988), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:04:54,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66516 states to 66516 states and 96448 transitions. [2021-11-06 16:04:54,246 INFO L78 Accepts]: Start accepts. Automaton has 66516 states and 96448 transitions. Word has length 289 [2021-11-06 16:04:54,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:04:54,247 INFO L470 AbstractCegarLoop]: Abstraction has 66516 states and 96448 transitions. [2021-11-06 16:04:54,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 41.142857142857146) internal successors, (288), 6 states have internal predecessors, (288), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:04:54,247 INFO L276 IsEmpty]: Start isEmpty. Operand 66516 states and 96448 transitions. [2021-11-06 16:04:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-06 16:04:54,271 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:04:54,271 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:04:54,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 16:04:54,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-06 16:04:54,488 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:04:54,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:04:54,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1003424105, now seen corresponding path program 1 times [2021-11-06 16:04:54,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:04:54,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588790641] [2021-11-06 16:04:54,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:04:54,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:04:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:04:54,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-06 16:04:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:04:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 16:04:54,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:04:54,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588790641] [2021-11-06 16:04:54,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588790641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:04:54,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:04:54,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 16:04:54,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434095111] [2021-11-06 16:04:54,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 16:04:54,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:04:54,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 16:04:54,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 16:04:54,936 INFO L87 Difference]: Start difference. First operand 66516 states and 96448 transitions. Second operand has 4 states, 4 states have (on average 71.25) internal successors, (285), 3 states have internal predecessors, (285), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:05:05,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:05:05,737 INFO L93 Difference]: Finished difference Result 135369 states and 197185 transitions. [2021-11-06 16:05:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 16:05:05,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 71.25) internal successors, (285), 3 states have internal predecessors, (285), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 294 [2021-11-06 16:05:05,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:05:05,951 INFO L225 Difference]: With dead ends: 135369 [2021-11-06 16:05:05,952 INFO L226 Difference]: Without dead ends: 69009 [2021-11-06 16:05:06,104 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 16:05:06,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69009 states. [2021-11-06 16:05:07,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69009 to 66012. [2021-11-06 16:05:07,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66012 states, 65063 states have (on average 1.4444461521909533) internal successors, (93980), 65147 states have internal predecessors, (93980), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:05:07,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66012 states to 66012 states and 95440 transitions. [2021-11-06 16:05:07,975 INFO L78 Accepts]: Start accepts. Automaton has 66012 states and 95440 transitions. Word has length 294 [2021-11-06 16:05:07,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:05:07,977 INFO L470 AbstractCegarLoop]: Abstraction has 66012 states and 95440 transitions. [2021-11-06 16:05:07,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.25) internal successors, (285), 3 states have internal predecessors, (285), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:05:07,977 INFO L276 IsEmpty]: Start isEmpty. Operand 66012 states and 95440 transitions. [2021-11-06 16:05:08,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-06 16:05:08,001 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:05:08,001 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:05:08,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-06 16:05:08,002 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:05:08,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:05:08,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1079053704, now seen corresponding path program 2 times [2021-11-06 16:05:08,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:05:08,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590214022] [2021-11-06 16:05:08,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:05:08,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:05:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:05:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-06 16:05:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:05:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 16:05:08,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:05:08,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590214022] [2021-11-06 16:05:08,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590214022] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:05:08,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262992797] [2021-11-06 16:05:08,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-06 16:05:08,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:05:08,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:05:08,409 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 16:05:08,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 16:06:27,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-06 16:06:27,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-06 16:06:28,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 4828 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-06 16:06:28,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 16:06:28,648 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-06 16:06:28,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262992797] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:06:28,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-06 16:06:28,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-11-06 16:06:28,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051558454] [2021-11-06 16:06:28,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:06:28,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:06:28,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:06:28,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-06 16:06:28,649 INFO L87 Difference]: Start difference. First operand 66012 states and 95440 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:06:30,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:06:30,190 INFO L93 Difference]: Finished difference Result 131938 states and 190801 transitions. [2021-11-06 16:06:30,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:06:30,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 291 [2021-11-06 16:06:30,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:06:30,422 INFO L225 Difference]: With dead ends: 131938 [2021-11-06 16:06:30,423 INFO L226 Difference]: Without dead ends: 66021 [2021-11-06 16:06:30,560 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-06 16:06:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66021 states. [2021-11-06 16:06:31,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66021 to 66021. [2021-11-06 16:06:31,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66021 states, 65072 states have (on average 1.4443846815834767) internal successors, (93989), 65156 states have internal predecessors, (93989), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:06:32,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66021 states to 66021 states and 95449 transitions. [2021-11-06 16:06:32,126 INFO L78 Accepts]: Start accepts. Automaton has 66021 states and 95449 transitions. Word has length 291 [2021-11-06 16:06:32,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:06:32,126 INFO L470 AbstractCegarLoop]: Abstraction has 66021 states and 95449 transitions. [2021-11-06 16:06:32,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:06:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 66021 states and 95449 transitions. [2021-11-06 16:06:32,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-06 16:06:32,150 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:06:32,150 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:06:32,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-06 16:06:32,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:06:32,364 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:06:32,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:06:32,364 INFO L85 PathProgramCache]: Analyzing trace with hash -436435308, now seen corresponding path program 1 times [2021-11-06 16:06:32,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:06:32,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229053153] [2021-11-06 16:06:32,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:06:32,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:06:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:06:32,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-06 16:06:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:06:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-06 16:06:32,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:06:32,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229053153] [2021-11-06 16:06:32,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229053153] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:06:32,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759459641] [2021-11-06 16:06:32,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:06:32,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:06:32,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:06:32,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 16:06:32,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 16:06:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:06:34,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 5548 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 16:06:34,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 16:06:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-06 16:06:35,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759459641] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:06:35,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-06 16:06:35,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 8 [2021-11-06 16:06:35,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385980941] [2021-11-06 16:06:35,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-06 16:06:35,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:06:35,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-06 16:06:35,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-06 16:06:35,373 INFO L87 Difference]: Start difference. First operand 66021 states and 95449 transitions. Second operand has 8 states, 8 states have (on average 37.375) internal successors, (299), 7 states have internal predecessors, (299), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:06:46,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:06:46,254 INFO L93 Difference]: Finished difference Result 134910 states and 196192 transitions. [2021-11-06 16:06:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 16:06:46,255 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 37.375) internal successors, (299), 7 states have internal predecessors, (299), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 300 [2021-11-06 16:06:46,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:06:46,460 INFO L225 Difference]: With dead ends: 134910 [2021-11-06 16:06:46,460 INFO L226 Difference]: Without dead ends: 69054 [2021-11-06 16:06:46,608 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-06 16:06:46,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69054 states. [2021-11-06 16:06:48,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69054 to 66045. [2021-11-06 16:06:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66045 states, 65096 states have (on average 1.4442208430625538) internal successors, (94013), 65180 states have internal predecessors, (94013), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:06:48,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66045 states to 66045 states and 95473 transitions. [2021-11-06 16:06:48,268 INFO L78 Accepts]: Start accepts. Automaton has 66045 states and 95473 transitions. Word has length 300 [2021-11-06 16:06:48,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:06:48,269 INFO L470 AbstractCegarLoop]: Abstraction has 66045 states and 95473 transitions. [2021-11-06 16:06:48,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 37.375) internal successors, (299), 7 states have internal predecessors, (299), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:06:48,269 INFO L276 IsEmpty]: Start isEmpty. Operand 66045 states and 95473 transitions. [2021-11-06 16:06:48,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-06 16:06:48,290 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:06:48,290 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:06:48,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-06 16:06:48,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:06:48,495 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:06:48,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:06:48,496 INFO L85 PathProgramCache]: Analyzing trace with hash 496486818, now seen corresponding path program 1 times [2021-11-06 16:06:48,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:06:48,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072764194] [2021-11-06 16:06:48,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:06:48,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:06:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:06:48,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-11-06 16:06:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:06:48,829 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-06 16:06:48,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:06:48,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072764194] [2021-11-06 16:06:48,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072764194] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:06:48,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:06:48,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 16:06:48,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102472265] [2021-11-06 16:06:48,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 16:06:48,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:06:48,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 16:06:48,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 16:06:48,831 INFO L87 Difference]: Start difference. First operand 66045 states and 95473 transitions. Second operand has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:06:59,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:06:59,972 INFO L93 Difference]: Finished difference Result 134886 states and 196150 transitions. [2021-11-06 16:06:59,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 16:06:59,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 305 [2021-11-06 16:06:59,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:07:00,217 INFO L225 Difference]: With dead ends: 134886 [2021-11-06 16:07:00,217 INFO L226 Difference]: Without dead ends: 69006 [2021-11-06 16:07:00,526 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 16:07:00,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69006 states. [2021-11-06 16:07:01,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69006 to 66009. [2021-11-06 16:07:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66009 states, 65060 states have (on average 1.4440977559176145) internal successors, (93953), 65144 states have internal predecessors, (93953), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:07:02,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66009 states to 66009 states and 95413 transitions. [2021-11-06 16:07:02,237 INFO L78 Accepts]: Start accepts. Automaton has 66009 states and 95413 transitions. Word has length 305 [2021-11-06 16:07:02,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:07:02,238 INFO L470 AbstractCegarLoop]: Abstraction has 66009 states and 95413 transitions. [2021-11-06 16:07:02,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:07:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 66009 states and 95413 transitions. [2021-11-06 16:07:02,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-06 16:07:02,261 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:07:02,261 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:07:02,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-06 16:07:02,262 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:07:02,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:07:02,263 INFO L85 PathProgramCache]: Analyzing trace with hash -986683688, now seen corresponding path program 1 times [2021-11-06 16:07:02,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:07:02,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569085793] [2021-11-06 16:07:02,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:07:02,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:07:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:07:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-11-06 16:07:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:07:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-06 16:07:02,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:07:02,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569085793] [2021-11-06 16:07:02,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569085793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:07:02,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:07:02,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 16:07:02,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413864593] [2021-11-06 16:07:02,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 16:07:02,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:07:02,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 16:07:02,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 16:07:02,616 INFO L87 Difference]: Start difference. First operand 66009 states and 95413 transitions. Second operand has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:07:14,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:07:14,970 INFO L93 Difference]: Finished difference Result 134790 states and 195946 transitions. [2021-11-06 16:07:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 16:07:14,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 305 [2021-11-06 16:07:14,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:07:15,210 INFO L225 Difference]: With dead ends: 134790 [2021-11-06 16:07:15,210 INFO L226 Difference]: Without dead ends: 68946 [2021-11-06 16:07:15,356 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 16:07:15,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68946 states. [2021-11-06 16:07:17,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68946 to 65937. [2021-11-06 16:07:17,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65937 states, 64988 states have (on average 1.4429279251554132) internal successors, (93773), 65072 states have internal predecessors, (93773), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:07:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65937 states to 65937 states and 95233 transitions. [2021-11-06 16:07:17,373 INFO L78 Accepts]: Start accepts. Automaton has 65937 states and 95233 transitions. Word has length 305 [2021-11-06 16:07:17,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:07:17,373 INFO L470 AbstractCegarLoop]: Abstraction has 65937 states and 95233 transitions. [2021-11-06 16:07:17,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.0) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:07:17,374 INFO L276 IsEmpty]: Start isEmpty. Operand 65937 states and 95233 transitions. [2021-11-06 16:07:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-06 16:07:17,395 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:07:17,395 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:07:17,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-06 16:07:17,396 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:07:17,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:07:17,396 INFO L85 PathProgramCache]: Analyzing trace with hash -2131084328, now seen corresponding path program 2 times [2021-11-06 16:07:17,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:07:17,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720841871] [2021-11-06 16:07:17,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:07:17,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:07:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:07:17,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-06 16:07:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:07:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-06 16:07:18,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:07:18,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720841871] [2021-11-06 16:07:18,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720841871] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:07:18,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298229097] [2021-11-06 16:07:18,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-06 16:07:18,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:07:18,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:07:18,016 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 16:07:18,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 16:07:46,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-06 16:07:46,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-06 16:07:46,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 4828 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-06 16:07:46,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 16:07:46,636 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-06 16:07:46,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298229097] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:07:46,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-06 16:07:46,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-06 16:07:46,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021109661] [2021-11-06 16:07:46,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:07:46,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:07:46,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:07:46,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-11-06 16:07:46,637 INFO L87 Difference]: Start difference. First operand 65937 states and 95233 transitions. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:07:48,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:07:48,413 INFO L93 Difference]: Finished difference Result 131786 states and 190381 transitions. [2021-11-06 16:07:48,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:07:48,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 302 [2021-11-06 16:07:48,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:07:48,659 INFO L225 Difference]: With dead ends: 131786 [2021-11-06 16:07:48,660 INFO L226 Difference]: Without dead ends: 65941 [2021-11-06 16:07:48,773 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-11-06 16:07:48,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65941 states. [2021-11-06 16:07:50,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65941 to 65941. [2021-11-06 16:07:50,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65941 states, 64992 states have (on average 1.4429006646971936) internal successors, (93777), 65076 states have internal predecessors, (93777), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:07:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65941 states to 65941 states and 95237 transitions. [2021-11-06 16:07:50,577 INFO L78 Accepts]: Start accepts. Automaton has 65941 states and 95237 transitions. Word has length 302 [2021-11-06 16:07:50,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:07:50,577 INFO L470 AbstractCegarLoop]: Abstraction has 65941 states and 95237 transitions. [2021-11-06 16:07:50,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:07:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 65941 states and 95237 transitions. [2021-11-06 16:07:50,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-06 16:07:50,600 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:07:50,600 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:07:50,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-06 16:07:50,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-06 16:07:50,824 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:07:50,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:07:50,824 INFO L85 PathProgramCache]: Analyzing trace with hash 2065003034, now seen corresponding path program 1 times [2021-11-06 16:07:50,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:07:50,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303465888] [2021-11-06 16:07:50,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:07:50,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:07:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:07:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-06 16:07:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:07:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-06 16:07:51,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:07:51,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303465888] [2021-11-06 16:07:51,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303465888] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:07:51,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021861304] [2021-11-06 16:07:51,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:07:51,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:07:51,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:07:51,264 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 16:07:51,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 16:07:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:07:53,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 5578 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-06 16:07:53,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 16:07:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-06 16:07:53,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021861304] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:07:53,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-06 16:07:53,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-11-06 16:07:53,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291731720] [2021-11-06 16:07:53,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-06 16:07:53,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:07:53,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-06 16:07:53,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-06 16:07:53,979 INFO L87 Difference]: Start difference. First operand 65941 states and 95237 transitions. Second operand has 9 states, 9 states have (on average 33.888888888888886) internal successors, (305), 8 states have internal predecessors, (305), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:08:07,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:08:07,113 INFO L93 Difference]: Finished difference Result 134746 states and 195764 transitions. [2021-11-06 16:08:07,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-06 16:08:07,114 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 33.888888888888886) internal successors, (305), 8 states have internal predecessors, (305), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 306 [2021-11-06 16:08:07,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:08:07,547 INFO L225 Difference]: With dead ends: 134746 [2021-11-06 16:08:07,547 INFO L226 Difference]: Without dead ends: 68974 [2021-11-06 16:08:07,701 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-06 16:08:07,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68974 states. [2021-11-06 16:08:09,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68974 to 65965. [2021-11-06 16:08:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65965 states, 65016 states have (on average 1.442737172388335) internal successors, (93801), 65100 states have internal predecessors, (93801), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:08:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65965 states to 65965 states and 95261 transitions. [2021-11-06 16:08:09,449 INFO L78 Accepts]: Start accepts. Automaton has 65965 states and 95261 transitions. Word has length 306 [2021-11-06 16:08:09,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:08:09,449 INFO L470 AbstractCegarLoop]: Abstraction has 65965 states and 95261 transitions. [2021-11-06 16:08:09,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 33.888888888888886) internal successors, (305), 8 states have internal predecessors, (305), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:08:09,450 INFO L276 IsEmpty]: Start isEmpty. Operand 65965 states and 95261 transitions. [2021-11-06 16:08:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-06 16:08:09,472 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:08:09,473 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:08:09,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 16:08:09,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-06 16:08:09,687 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:08:09,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:08:09,687 INFO L85 PathProgramCache]: Analyzing trace with hash 686564550, now seen corresponding path program 1 times [2021-11-06 16:08:09,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:08:09,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185944853] [2021-11-06 16:08:09,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:08:09,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:08:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:08:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-06 16:08:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:08:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-06 16:08:10,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:08:10,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185944853] [2021-11-06 16:08:10,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185944853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:08:10,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:08:10,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 16:08:10,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97131364] [2021-11-06 16:08:10,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 16:08:10,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:08:10,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 16:08:10,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 16:08:10,185 INFO L87 Difference]: Start difference. First operand 65965 states and 95261 transitions. Second operand has 4 states, 4 states have (on average 75.5) internal successors, (302), 3 states have internal predecessors, (302), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:08:22,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:08:22,027 INFO L93 Difference]: Finished difference Result 135028 states and 196224 transitions. [2021-11-06 16:08:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 16:08:22,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.5) internal successors, (302), 3 states have internal predecessors, (302), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 311 [2021-11-06 16:08:22,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:08:22,295 INFO L225 Difference]: With dead ends: 135028 [2021-11-06 16:08:22,295 INFO L226 Difference]: Without dead ends: 69232 [2021-11-06 16:08:22,479 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 16:08:22,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69232 states. [2021-11-06 16:08:24,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69232 to 65977. [2021-11-06 16:08:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65977 states, 65028 states have (on average 1.4426554714892046) internal successors, (93813), 65112 states have internal predecessors, (93813), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:08:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65977 states to 65977 states and 95273 transitions. [2021-11-06 16:08:24,232 INFO L78 Accepts]: Start accepts. Automaton has 65977 states and 95273 transitions. Word has length 311 [2021-11-06 16:08:24,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:08:24,233 INFO L470 AbstractCegarLoop]: Abstraction has 65977 states and 95273 transitions. [2021-11-06 16:08:24,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.5) internal successors, (302), 3 states have internal predecessors, (302), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:08:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 65977 states and 95273 transitions. [2021-11-06 16:08:24,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-06 16:08:24,257 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:08:24,257 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:08:24,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-06 16:08:24,257 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:08:24,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:08:24,258 INFO L85 PathProgramCache]: Analyzing trace with hash 864443870, now seen corresponding path program 2 times [2021-11-06 16:08:24,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:08:24,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664597142] [2021-11-06 16:08:24,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:08:24,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:08:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:08:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-06 16:08:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:08:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-06 16:08:24,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:08:24,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664597142] [2021-11-06 16:08:24,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664597142] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:08:24,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7810531] [2021-11-06 16:08:24,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-06 16:08:24,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:08:24,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:08:24,897 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 16:08:24,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 16:10:22,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-06 16:10:22,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-06 16:10:22,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 4828 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-06 16:10:23,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 16:10:23,536 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-06 16:10:23,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7810531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:10:23,536 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-06 16:10:23,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-11-06 16:10:23,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251970080] [2021-11-06 16:10:23,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:10:23,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:10:23,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:10:23,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-06 16:10:23,538 INFO L87 Difference]: Start difference. First operand 65977 states and 95273 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:10:24,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:10:24,883 INFO L93 Difference]: Finished difference Result 131861 states and 190457 transitions. [2021-11-06 16:10:24,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:10:24,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 308 [2021-11-06 16:10:24,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:10:25,089 INFO L225 Difference]: With dead ends: 131861 [2021-11-06 16:10:25,089 INFO L226 Difference]: Without dead ends: 65984 [2021-11-06 16:10:25,211 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-06 16:10:25,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65984 states. [2021-11-06 16:10:26,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65984 to 65984. [2021-11-06 16:10:26,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65984 states, 65035 states have (on average 1.442607826554932) internal successors, (93820), 65119 states have internal predecessors, (93820), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:10:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65984 states to 65984 states and 95280 transitions. [2021-11-06 16:10:27,098 INFO L78 Accepts]: Start accepts. Automaton has 65984 states and 95280 transitions. Word has length 308 [2021-11-06 16:10:27,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:10:27,099 INFO L470 AbstractCegarLoop]: Abstraction has 65984 states and 95280 transitions. [2021-11-06 16:10:27,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:10:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 65984 states and 95280 transitions. [2021-11-06 16:10:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-06 16:10:27,126 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:10:27,126 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:10:27,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-06 16:10:27,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:10:27,340 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:10:27,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:10:27,340 INFO L85 PathProgramCache]: Analyzing trace with hash -886809200, now seen corresponding path program 1 times [2021-11-06 16:10:27,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:10:27,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088454839] [2021-11-06 16:10:27,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:10:27,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:10:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:10:27,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-06 16:10:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:10:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-06 16:10:27,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:10:27,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088454839] [2021-11-06 16:10:27,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088454839] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:10:27,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978495878] [2021-11-06 16:10:27,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:10:27,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:10:27,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:10:27,761 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 16:10:27,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 16:10:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:10:30,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 5626 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-06 16:10:30,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 16:10:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-06 16:10:30,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978495878] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:10:30,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-06 16:10:30,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 10 [2021-11-06 16:10:30,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373375668] [2021-11-06 16:10:30,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-06 16:10:30,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:10:30,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-06 16:10:30,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-06 16:10:30,728 INFO L87 Difference]: Start difference. First operand 65984 states and 95280 transitions. Second operand has 10 states, 10 states have (on average 31.4) internal successors, (314), 9 states have internal predecessors, (314), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:10:42,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:10:42,976 INFO L93 Difference]: Finished difference Result 134825 states and 195843 transitions. [2021-11-06 16:10:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-06 16:10:42,976 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 31.4) internal successors, (314), 9 states have internal predecessors, (314), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 315 [2021-11-06 16:10:42,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:10:43,207 INFO L225 Difference]: With dead ends: 134825 [2021-11-06 16:10:43,207 INFO L226 Difference]: Without dead ends: 69017 [2021-11-06 16:10:43,558 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-06 16:10:43,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69017 states. [2021-11-06 16:10:45,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69017 to 66008. [2021-11-06 16:10:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66008 states, 65059 states have (on average 1.4424445503312378) internal successors, (93844), 65143 states have internal predecessors, (93844), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:10:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66008 states to 66008 states and 95304 transitions. [2021-11-06 16:10:45,269 INFO L78 Accepts]: Start accepts. Automaton has 66008 states and 95304 transitions. Word has length 315 [2021-11-06 16:10:45,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:10:45,270 INFO L470 AbstractCegarLoop]: Abstraction has 66008 states and 95304 transitions. [2021-11-06 16:10:45,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 31.4) internal successors, (314), 9 states have internal predecessors, (314), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:10:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 66008 states and 95304 transitions. [2021-11-06 16:10:45,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-06 16:10:45,293 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:10:45,293 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:10:45,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-06 16:10:45,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:10:45,500 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:10:45,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:10:45,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1148697644, now seen corresponding path program 2 times [2021-11-06 16:10:45,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:10:45,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457327947] [2021-11-06 16:10:45,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:10:45,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:10:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:10:45,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-06 16:10:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:10:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 17 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-06 16:10:45,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:10:45,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457327947] [2021-11-06 16:10:45,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457327947] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:10:45,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458072691] [2021-11-06 16:10:45,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-06 16:10:45,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:10:45,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:10:45,954 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 16:10:45,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-06 16:11:29,662 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-06 16:11:29,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-06 16:11:29,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 4828 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-06 16:11:29,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 16:11:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-06 16:11:30,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458072691] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:11:30,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-06 16:11:30,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-11-06 16:11:30,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891164769] [2021-11-06 16:11:30,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:11:30,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:11:30,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:11:30,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-06 16:11:30,279 INFO L87 Difference]: Start difference. First operand 66008 states and 95304 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:11:31,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:11:31,765 INFO L93 Difference]: Finished difference Result 131852 states and 191203 transitions. [2021-11-06 16:11:31,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:11:31,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 317 [2021-11-06 16:11:31,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:11:31,986 INFO L225 Difference]: With dead ends: 131852 [2021-11-06 16:11:31,987 INFO L226 Difference]: Without dead ends: 66020 [2021-11-06 16:11:32,147 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-06 16:11:32,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66020 states. [2021-11-06 16:11:33,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66020 to 66020. [2021-11-06 16:11:33,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66020 states, 65071 states have (on average 1.4423629573850103) internal successors, (93856), 65155 states have internal predecessors, (93856), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:11:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66020 states to 66020 states and 95316 transitions. [2021-11-06 16:11:33,913 INFO L78 Accepts]: Start accepts. Automaton has 66020 states and 95316 transitions. Word has length 317 [2021-11-06 16:11:33,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:11:33,914 INFO L470 AbstractCegarLoop]: Abstraction has 66020 states and 95316 transitions. [2021-11-06 16:11:33,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:11:33,914 INFO L276 IsEmpty]: Start isEmpty. Operand 66020 states and 95316 transitions. [2021-11-06 16:11:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-06 16:11:33,941 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:11:33,941 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:11:34,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-06 16:11:34,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:11:34,156 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:11:34,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:11:34,156 INFO L85 PathProgramCache]: Analyzing trace with hash 711255417, now seen corresponding path program 1 times [2021-11-06 16:11:34,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:11:34,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193163476] [2021-11-06 16:11:34,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:11:34,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:11:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:11:34,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-06 16:11:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:11:34,547 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 17 proven. 36 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-06 16:11:34,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:11:34,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193163476] [2021-11-06 16:11:34,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193163476] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:11:34,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66801579] [2021-11-06 16:11:34,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:11:34,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:11:34,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:11:34,549 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 16:11:34,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-06 16:11:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:11:37,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 5638 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-06 16:11:37,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 16:11:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 17 proven. 36 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-06 16:11:37,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66801579] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:11:37,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-06 16:11:37,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 11 [2021-11-06 16:11:37,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494062409] [2021-11-06 16:11:37,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-06 16:11:37,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:11:37,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-06 16:11:37,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-11-06 16:11:37,751 INFO L87 Difference]: Start difference. First operand 66020 states and 95316 transitions. Second operand has 11 states, 11 states have (on average 28.818181818181817) internal successors, (317), 10 states have internal predecessors, (317), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:11:49,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:11:49,538 INFO L93 Difference]: Finished difference Result 134813 states and 195771 transitions. [2021-11-06 16:11:49,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-06 16:11:49,540 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 28.818181818181817) internal successors, (317), 10 states have internal predecessors, (317), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 318 [2021-11-06 16:11:49,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:11:49,811 INFO L225 Difference]: With dead ends: 134813 [2021-11-06 16:11:49,811 INFO L226 Difference]: Without dead ends: 68969 [2021-11-06 16:11:49,964 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-11-06 16:11:50,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68969 states. [2021-11-06 16:11:51,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68969 to 66044. [2021-11-06 16:11:51,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66044 states, 65095 states have (on average 1.4421998617405332) internal successors, (93880), 65179 states have internal predecessors, (93880), 518 states have call successors, (518), 324 states have call predecessors, (518), 428 states have return successors, (942), 564 states have call predecessors, (942), 518 states have call successors, (942) [2021-11-06 16:11:51,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66044 states to 66044 states and 95340 transitions. [2021-11-06 16:11:51,823 INFO L78 Accepts]: Start accepts. Automaton has 66044 states and 95340 transitions. Word has length 318 [2021-11-06 16:11:51,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:11:51,824 INFO L470 AbstractCegarLoop]: Abstraction has 66044 states and 95340 transitions. [2021-11-06 16:11:51,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 28.818181818181817) internal successors, (317), 10 states have internal predecessors, (317), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:11:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 66044 states and 95340 transitions. [2021-11-06 16:11:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-06 16:11:52,106 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:11:52,106 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:11:52,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-06 16:11:52,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-06 16:11:52,324 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:11:52,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:11:52,324 INFO L85 PathProgramCache]: Analyzing trace with hash 87146982, now seen corresponding path program 1 times [2021-11-06 16:11:52,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:11:52,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685144993] [2021-11-06 16:11:52,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:11:52,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:11:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:11:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-06 16:11:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:11:52,722 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-06 16:11:52,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:11:52,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685144993] [2021-11-06 16:11:52,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685144993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:11:52,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:11:52,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 16:11:52,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452703877] [2021-11-06 16:11:52,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 16:11:52,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:11:52,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 16:11:52,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-06 16:11:52,725 INFO L87 Difference]: Start difference. First operand 66044 states and 95340 transitions. Second operand has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 4 states have internal predecessors, (313), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:12:06,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:12:06,578 INFO L93 Difference]: Finished difference Result 134969 states and 196077 transitions. [2021-11-06 16:12:06,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-06 16:12:06,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 4 states have internal predecessors, (313), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 322 [2021-11-06 16:12:06,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:12:06,849 INFO L225 Difference]: With dead ends: 134969 [2021-11-06 16:12:06,849 INFO L226 Difference]: Without dead ends: 69101 [2021-11-06 16:12:07,008 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-06 16:12:07,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69101 states. [2021-11-06 16:12:08,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69101 to 66116. [2021-11-06 16:12:08,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66116 states, 65149 states have (on average 1.4418333358915716) internal successors, (93934), 65233 states have internal predecessors, (93934), 518 states have call successors, (518), 324 states have call predecessors, (518), 446 states have return successors, (1002), 582 states have call predecessors, (1002), 518 states have call successors, (1002) [2021-11-06 16:12:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66116 states to 66116 states and 95454 transitions. [2021-11-06 16:12:08,906 INFO L78 Accepts]: Start accepts. Automaton has 66116 states and 95454 transitions. Word has length 322 [2021-11-06 16:12:08,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:12:08,907 INFO L470 AbstractCegarLoop]: Abstraction has 66116 states and 95454 transitions. [2021-11-06 16:12:08,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 4 states have internal predecessors, (313), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 16:12:08,908 INFO L276 IsEmpty]: Start isEmpty. Operand 66116 states and 95454 transitions. [2021-11-06 16:12:08,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-06 16:12:08,932 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:12:08,933 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:12:08,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-06 16:12:08,934 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-06 16:12:08,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:12:08,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1546770251, now seen corresponding path program 2 times [2021-11-06 16:12:08,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:12:08,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73824451] [2021-11-06 16:12:08,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:12:08,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:12:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:12:09,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-06 16:12:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:12:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 17 proven. 49 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-06 16:12:09,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:12:09,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73824451] [2021-11-06 16:12:09,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73824451] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 16:12:09,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422954284] [2021-11-06 16:12:09,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-06 16:12:09,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 16:12:09,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:12:09,560 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 16:12:09,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-06 16:12:45,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-06 16:12:45,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-06 16:12:45,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 4828 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-06 16:12:45,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 16:12:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-06 16:12:46,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422954284] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:12:46,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-06 16:12:46,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2021-11-06 16:12:46,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165290421] [2021-11-06 16:12:46,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:12:46,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:12:46,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:12:46,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-11-06 16:12:46,061 INFO L87 Difference]: Start difference. First operand 66116 states and 95454 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)