/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -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 -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 14:05:09,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 14:05:09,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 14:05:09,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 14:05:09,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 14:05:09,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 14:05:09,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 14:05:09,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 14:05:09,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 14:05:09,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 14:05:09,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 14:05:09,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 14:05:09,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 14:05:09,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 14:05:09,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 14:05:09,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 14:05:09,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 14:05:09,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 14:05:09,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 14:05:09,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 14:05:09,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 14:05:09,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 14:05:09,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 14:05:09,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 14:05:09,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 14:05:09,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 14:05:09,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 14:05:09,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 14:05:09,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 14:05:09,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 14:05:09,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 14:05:09,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 14:05:09,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 14:05:09,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 14:05:09,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 14:05:09,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 14:05:09,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 14:05:09,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 14:05:09,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 14:05:09,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 14:05:09,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 14:05:09,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 14:05:09,516 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 14:05:09,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 14:05:09,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 14:05:09,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 14:05:09,522 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 14:05:09,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 14:05:09,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 14:05:09,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 14:05:09,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 14:05:09,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 14:05:09,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 14:05:09,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 14:05:09,524 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 14:05:09,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 14:05:09,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 14:05:09,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 14:05:09,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 14:05:09,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:05:09,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 14:05:09,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 14:05:09,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 14:05:09,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 14:05:09,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 14:05:09,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 14:05:09,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 14:05:09,527 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 14:05:09,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 14:05:09,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 14:05:09,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 14:05:09,930 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 14:05:09,931 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 14:05:09,932 INFO L432 ainManager$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 [2020-12-22 14:05:10,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ea24cab9/f449a3d3dacf4f43b9e7298fd4dc8d78/FLAG7f055d2e0 [2020-12-22 14:05:11,328 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 14:05:11,329 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 [2020-12-22 14:05:11,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ea24cab9/f449a3d3dacf4f43b9e7298fd4dc8d78/FLAG7f055d2e0 [2020-12-22 14:05:11,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ea24cab9/f449a3d3dacf4f43b9e7298fd4dc8d78 [2020-12-22 14:05:11,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 14:05:11,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 14:05:11,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 14:05:11,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 14:05:11,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 14:05:11,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:05:11" (1/1) ... [2020-12-22 14:05:11,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45552a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:11, skipping insertion in model container [2020-12-22 14:05:11,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:05:11" (1/1) ... [2020-12-22 14:05:11,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 14:05:11,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 14:05:15,674 WARN L226 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] [2020-12-22 14:05:15,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:05:15,884 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 14:05:16,584 WARN L226 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] [2020-12-22 14:05:16,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:05:17,683 INFO L208 MainTranslator]: Completed translation [2020-12-22 14:05:17,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17 WrapperNode [2020-12-22 14:05:17,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 14:05:17,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 14:05:17,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 14:05:17,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 14:05:17,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17" (1/1) ... [2020-12-22 14:05:17,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17" (1/1) ... [2020-12-22 14:05:18,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 14:05:18,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 14:05:18,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 14:05:18,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 14:05:18,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17" (1/1) ... [2020-12-22 14:05:18,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17" (1/1) ... [2020-12-22 14:05:19,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17" (1/1) ... [2020-12-22 14:05:19,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17" (1/1) ... [2020-12-22 14:05:20,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17" (1/1) ... [2020-12-22 14:05:20,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17" (1/1) ... [2020-12-22 14:05:20,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17" (1/1) ... [2020-12-22 14:05:20,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 14:05:20,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 14:05:20,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 14:05:20,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 14:05:20,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:05:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2020-12-22 14:05:20,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2020-12-22 14:05:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2020-12-22 14:05:20,836 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2020-12-22 14:05:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2020-12-22 14:05:20,836 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2020-12-22 14:05:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2020-12-22 14:05:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2020-12-22 14:05:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2020-12-22 14:05:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2020-12-22 14:05:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 14:05:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2020-12-22 14:05:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2020-12-22 14:05:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 14:05:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 14:05:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 14:05:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2020-12-22 14:05:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2020-12-22 14:05:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2020-12-22 14:05:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2020-12-22 14:05:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 14:05:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 14:05:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 14:05:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:05:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:05:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:05:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:05:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2020-12-22 14:05:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2020-12-22 14:05:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2020-12-22 14:05:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2020-12-22 14:05:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 14:05:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 14:05:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2020-12-22 14:05:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2020-12-22 14:05:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2020-12-22 14:05:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2020-12-22 14:05:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2020-12-22 14:05:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 14:05:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 14:05:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2020-12-22 14:05:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2020-12-22 14:05:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2020-12-22 14:05:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2020-12-22 14:05:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2020-12-22 14:05:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 14:05:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 14:05:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2020-12-22 14:05:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2020-12-22 14:05:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 14:05:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2020-12-22 14:05:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2020-12-22 14:05:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 14:05:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2020-12-22 14:05:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2020-12-22 14:05:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2020-12-22 14:05:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2020-12-22 14:05:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2020-12-22 14:05:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2020-12-22 14:05:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2020-12-22 14:05:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2020-12-22 14:05:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:05:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:05:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2020-12-22 14:05:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2020-12-22 14:05:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 14:05:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2020-12-22 14:05:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2020-12-22 14:05:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2020-12-22 14:05:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2020-12-22 14:05:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2020-12-22 14:05:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2020-12-22 14:05:49,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 14:05:49,827 INFO L299 CfgBuilder]: Removed 5858 assume(true) statements. [2020-12-22 14:05:49,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:05:49 BoogieIcfgContainer [2020-12-22 14:05:49,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 14:05:49,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 14:05:49,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 14:05:49,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 14:05:49,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:05:11" (1/3) ... [2020-12-22 14:05:49,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4deadb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:05:49, skipping insertion in model container [2020-12-22 14:05:49,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:05:17" (2/3) ... [2020-12-22 14:05:49,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4deadb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:05:49, skipping insertion in model container [2020-12-22 14:05:49,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:05:49" (3/3) ... [2020-12-22 14:05:49,850 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2020-12-22 14:05:49,858 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 14:05:49,867 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 14:05:49,889 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 14:05:49,943 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 14:05:49,943 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 14:05:49,943 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 14:05:49,943 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 14:05:49,943 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 14:05:49,944 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 14:05:49,944 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 14:05:49,944 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 14:05:50,036 INFO L276 IsEmpty]: Start isEmpty. Operand 6573 states. [2020-12-22 14:05:50,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-22 14:05:50,059 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:05:50,060 INFO L422 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] [2020-12-22 14:05:50,061 INFO L429 AbstractCegarLoop]: === Iteration 1 === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:05:50,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:05:50,067 INFO L82 PathProgramCache]: Analyzing trace with hash 553429760, now seen corresponding path program 1 times [2020-12-22 14:05:50,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:05:50,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140598586] [2020-12-22 14:05:50,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:05:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:05:51,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:05:51,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140598586] [2020-12-22 14:05:51,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:05:51,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:05:51,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576335762] [2020-12-22 14:05:51,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 14:05:51,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:05:51,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 14:05:51,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:05:51,206 INFO L87 Difference]: Start difference. First operand 6573 states. Second operand 2 states. [2020-12-22 14:05:51,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:05:51,664 INFO L93 Difference]: Finished difference Result 13142 states and 19370 transitions. [2020-12-22 14:05:51,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 14:05:51,666 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 171 [2020-12-22 14:05:51,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:05:51,755 INFO L225 Difference]: With dead ends: 13142 [2020-12-22 14:05:51,756 INFO L226 Difference]: Without dead ends: 6554 [2020-12-22 14:05:51,797 INFO L677 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 [2020-12-22 14:05:51,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6554 states. [2020-12-22 14:05:52,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6554 to 6554. [2020-12-22 14:05:52,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6554 states. [2020-12-22 14:05:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6554 states to 6554 states and 9540 transitions. [2020-12-22 14:05:52,128 INFO L78 Accepts]: Start accepts. Automaton has 6554 states and 9540 transitions. Word has length 171 [2020-12-22 14:05:52,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:05:52,128 INFO L481 AbstractCegarLoop]: Abstraction has 6554 states and 9540 transitions. [2020-12-22 14:05:52,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 14:05:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 6554 states and 9540 transitions. [2020-12-22 14:05:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-22 14:05:52,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:05:52,144 INFO L422 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] [2020-12-22 14:05:52,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 14:05:52,145 INFO L429 AbstractCegarLoop]: === Iteration 2 === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:05:52,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:05:52,152 INFO L82 PathProgramCache]: Analyzing trace with hash 2110300698, now seen corresponding path program 1 times [2020-12-22 14:05:52,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:05:52,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453622661] [2020-12-22 14:05:52,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:05:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:05:53,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:05:53,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453622661] [2020-12-22 14:05:53,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:05:53,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:05:53,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232136848] [2020-12-22 14:05:53,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:05:53,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:05:53,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:05:53,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:05:53,066 INFO L87 Difference]: Start difference. First operand 6554 states and 9540 transitions. Second operand 3 states. [2020-12-22 14:05:55,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:05:55,816 INFO L93 Difference]: Finished difference Result 19307 states and 28220 transitions. [2020-12-22 14:05:55,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:05:55,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-12-22 14:05:55,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:05:55,931 INFO L225 Difference]: With dead ends: 19307 [2020-12-22 14:05:55,931 INFO L226 Difference]: Without dead ends: 12909 [2020-12-22 14:05:55,963 INFO L677 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 [2020-12-22 14:05:55,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12909 states. [2020-12-22 14:05:56,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12909 to 12905. [2020-12-22 14:05:56,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12905 states. [2020-12-22 14:05:56,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12905 states to 12905 states and 18852 transitions. [2020-12-22 14:05:56,414 INFO L78 Accepts]: Start accepts. Automaton has 12905 states and 18852 transitions. Word has length 171 [2020-12-22 14:05:56,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:05:56,419 INFO L481 AbstractCegarLoop]: Abstraction has 12905 states and 18852 transitions. [2020-12-22 14:05:56,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:05:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 12905 states and 18852 transitions. [2020-12-22 14:05:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-22 14:05:56,423 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:05:56,423 INFO L422 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] [2020-12-22 14:05:56,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 14:05:56,424 INFO L429 AbstractCegarLoop]: === Iteration 3 === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:05:56,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:05:56,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1014122229, now seen corresponding path program 1 times [2020-12-22 14:05:56,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:05:56,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665311161] [2020-12-22 14:05:56,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:05:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:05:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:05:57,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665311161] [2020-12-22 14:05:57,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:05:57,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:05:57,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134973933] [2020-12-22 14:05:57,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:05:57,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:05:57,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:05:57,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:05:57,480 INFO L87 Difference]: Start difference. First operand 12905 states and 18852 transitions. Second operand 3 states. [2020-12-22 14:05:58,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:05:58,524 INFO L93 Difference]: Finished difference Result 38397 states and 56385 transitions. [2020-12-22 14:05:58,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:05:58,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-12-22 14:05:58,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:05:58,695 INFO L225 Difference]: With dead ends: 38397 [2020-12-22 14:05:58,696 INFO L226 Difference]: Without dead ends: 25642 [2020-12-22 14:05:58,753 INFO L677 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 [2020-12-22 14:05:58,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25642 states. [2020-12-22 14:05:59,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25642 to 25636. [2020-12-22 14:05:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25636 states. [2020-12-22 14:06:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25636 states to 25636 states and 37600 transitions. [2020-12-22 14:06:00,025 INFO L78 Accepts]: Start accepts. Automaton has 25636 states and 37600 transitions. Word has length 174 [2020-12-22 14:06:00,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:06:00,027 INFO L481 AbstractCegarLoop]: Abstraction has 25636 states and 37600 transitions. [2020-12-22 14:06:00,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:06:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 25636 states and 37600 transitions. [2020-12-22 14:06:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-12-22 14:06:00,049 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:06:00,054 INFO L422 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] [2020-12-22 14:06:00,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 14:06:00,055 INFO L429 AbstractCegarLoop]: === Iteration 4 === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:06:00,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:06:00,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1839858973, now seen corresponding path program 1 times [2020-12-22 14:06:00,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:06:00,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245360175] [2020-12-22 14:06:00,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:06:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:06:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:06:00,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245360175] [2020-12-22 14:06:00,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:06:00,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:06:00,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394053847] [2020-12-22 14:06:00,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:06:00,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:06:00,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:06:00,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:06:00,660 INFO L87 Difference]: Start difference. First operand 25636 states and 37600 transitions. Second operand 3 states. [2020-12-22 14:06:02,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:06:02,693 INFO L93 Difference]: Finished difference Result 70412 states and 102726 transitions. [2020-12-22 14:06:02,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:06:02,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-12-22 14:06:02,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:06:02,911 INFO L225 Difference]: With dead ends: 70412 [2020-12-22 14:06:02,911 INFO L226 Difference]: Without dead ends: 44932 [2020-12-22 14:06:02,994 INFO L677 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 [2020-12-22 14:06:03,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44932 states. [2020-12-22 14:06:04,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44932 to 44882. [2020-12-22 14:06:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44882 states. [2020-12-22 14:06:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44882 states to 44882 states and 65252 transitions. [2020-12-22 14:06:04,879 INFO L78 Accepts]: Start accepts. Automaton has 44882 states and 65252 transitions. Word has length 203 [2020-12-22 14:06:04,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:06:04,880 INFO L481 AbstractCegarLoop]: Abstraction has 44882 states and 65252 transitions. [2020-12-22 14:06:04,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:06:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 44882 states and 65252 transitions. [2020-12-22 14:06:04,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-12-22 14:06:04,906 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:06:04,906 INFO L422 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] [2020-12-22 14:06:04,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 14:06:04,907 INFO L429 AbstractCegarLoop]: === Iteration 5 === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:06:04,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:06:04,908 INFO L82 PathProgramCache]: Analyzing trace with hash -338064109, now seen corresponding path program 1 times [2020-12-22 14:06:04,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:06:04,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418545126] [2020-12-22 14:06:04,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:06:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:06:05,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:06:05,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418545126] [2020-12-22 14:06:05,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:06:05,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:06:05,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956847646] [2020-12-22 14:06:05,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:06:05,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:06:05,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:06:05,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:06:05,813 INFO L87 Difference]: Start difference. First operand 44882 states and 65252 transitions. Second operand 3 states. [2020-12-22 14:06:10,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:06:10,628 INFO L93 Difference]: Finished difference Result 109300 states and 158814 transitions. [2020-12-22 14:06:10,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:06:10,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2020-12-22 14:06:10,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:06:10,969 INFO L225 Difference]: With dead ends: 109300 [2020-12-22 14:06:10,970 INFO L226 Difference]: Without dead ends: 64574 [2020-12-22 14:06:11,286 INFO L677 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 [2020-12-22 14:06:11,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64574 states. [2020-12-22 14:06:13,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64574 to 64524. [2020-12-22 14:06:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64524 states. [2020-12-22 14:06:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64524 states to 64524 states and 93408 transitions. [2020-12-22 14:06:13,836 INFO L78 Accepts]: Start accepts. Automaton has 64524 states and 93408 transitions. Word has length 242 [2020-12-22 14:06:13,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:06:13,837 INFO L481 AbstractCegarLoop]: Abstraction has 64524 states and 93408 transitions. [2020-12-22 14:06:13,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:06:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 64524 states and 93408 transitions. [2020-12-22 14:06:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-12-22 14:06:13,875 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:06:13,876 INFO L422 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] [2020-12-22 14:06:13,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 14:06:13,877 INFO L429 AbstractCegarLoop]: === Iteration 6 === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:06:13,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:06:13,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1293165516, now seen corresponding path program 1 times [2020-12-22 14:06:13,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:06:13,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087858836] [2020-12-22 14:06:13,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:06:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:06:14,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-12-22 14:06:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:06:14,811 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-22 14:06:14,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087858836] [2020-12-22 14:06:14,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:06:14,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:06:14,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352530571] [2020-12-22 14:06:14,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:06:14,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:06:14,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:06:14,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:06:14,814 INFO L87 Difference]: Start difference. First operand 64524 states and 93408 transitions. Second operand 4 states. [2020-12-22 14:06:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:06:31,769 INFO L93 Difference]: Finished difference Result 133701 states and 194879 transitions. [2020-12-22 14:06:31,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 14:06:31,775 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 273 [2020-12-22 14:06:31,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:06:32,134 INFO L225 Difference]: With dead ends: 133701 [2020-12-22 14:06:32,134 INFO L226 Difference]: Without dead ends: 69333 [2020-12-22 14:06:32,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:06:32,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69333 states. [2020-12-22 14:06:35,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69333 to 66420. [2020-12-22 14:06:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66420 states. [2020-12-22 14:06:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66420 states to 66420 states and 96348 transitions. [2020-12-22 14:06:35,626 INFO L78 Accepts]: Start accepts. Automaton has 66420 states and 96348 transitions. Word has length 273 [2020-12-22 14:06:35,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:06:35,627 INFO L481 AbstractCegarLoop]: Abstraction has 66420 states and 96348 transitions. [2020-12-22 14:06:35,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:06:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 66420 states and 96348 transitions. [2020-12-22 14:06:35,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-12-22 14:06:35,672 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:06:35,674 INFO L422 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] [2020-12-22 14:06:35,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 14:06:35,674 INFO L429 AbstractCegarLoop]: === Iteration 7 === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:06:35,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:06:35,675 INFO L82 PathProgramCache]: Analyzing trace with hash -900397951, now seen corresponding path program 1 times [2020-12-22 14:06:35,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:06:35,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954561854] [2020-12-22 14:06:35,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:06:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:06:36,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-12-22 14:06:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:06:37,086 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-22 14:06:37,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954561854] [2020-12-22 14:06:37,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557109113] [2020-12-22 14:06:37,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 14:06:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:06:40,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 5389 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-22 14:06:40,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 14:06:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 14:06:41,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 14:06:41,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2020-12-22 14:06:41,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236121454] [2020-12-22 14:06:41,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:06:41,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:06:41,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:06:41,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-22 14:06:41,008 INFO L87 Difference]: Start difference. First operand 66420 states and 96348 transitions. Second operand 5 states. [2020-12-22 14:06:46,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:06:46,495 INFO L93 Difference]: Finished difference Result 154776 states and 224416 transitions. [2020-12-22 14:06:46,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 14:06:46,497 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 274 [2020-12-22 14:06:46,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:06:47,349 INFO L225 Difference]: With dead ends: 154776 [2020-12-22 14:06:47,350 INFO L226 Difference]: Without dead ends: 88512 [2020-12-22 14:06:47,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-12-22 14:06:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88512 states. [2020-12-22 14:06:50,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88512 to 66444. [2020-12-22 14:06:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66444 states. [2020-12-22 14:06:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66444 states to 66444 states and 96376 transitions. [2020-12-22 14:06:51,251 INFO L78 Accepts]: Start accepts. Automaton has 66444 states and 96376 transitions. Word has length 274 [2020-12-22 14:06:51,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:06:51,252 INFO L481 AbstractCegarLoop]: Abstraction has 66444 states and 96376 transitions. [2020-12-22 14:06:51,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:06:51,252 INFO L276 IsEmpty]: Start isEmpty. Operand 66444 states and 96376 transitions. [2020-12-22 14:06:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-12-22 14:06:51,301 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:06:51,302 INFO L422 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] [2020-12-22 14:06:51,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-22 14:06:51,517 INFO L429 AbstractCegarLoop]: === Iteration 8 === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:06:51,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:06:51,519 INFO L82 PathProgramCache]: Analyzing trace with hash 158447126, now seen corresponding path program 1 times [2020-12-22 14:06:51,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:06:51,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328865466] [2020-12-22 14:06:51,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:06:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:06:52,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-12-22 14:06:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:06:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 14:06:52,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328865466] [2020-12-22 14:06:52,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:06:52,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:06:52,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625495027] [2020-12-22 14:06:52,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:06:52,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:06:52,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:06:52,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:06:52,353 INFO L87 Difference]: Start difference. First operand 66444 states and 96376 transitions. Second operand 4 states. [2020-12-22 14:07:10,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:07:10,156 INFO L93 Difference]: Finished difference Result 135669 states and 197899 transitions. [2020-12-22 14:07:10,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 14:07:10,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 281 [2020-12-22 14:07:10,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:07:10,724 INFO L225 Difference]: With dead ends: 135669 [2020-12-22 14:07:10,724 INFO L226 Difference]: Without dead ends: 69381 [2020-12-22 14:07:10,934 INFO L677 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 [2020-12-22 14:07:11,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69381 states. [2020-12-22 14:07:13,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69381 to 66456. [2020-12-22 14:07:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66456 states. [2020-12-22 14:07:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66456 states to 66456 states and 96388 transitions. [2020-12-22 14:07:13,645 INFO L78 Accepts]: Start accepts. Automaton has 66456 states and 96388 transitions. Word has length 281 [2020-12-22 14:07:13,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:07:13,646 INFO L481 AbstractCegarLoop]: Abstraction has 66456 states and 96388 transitions. [2020-12-22 14:07:13,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:07:13,646 INFO L276 IsEmpty]: Start isEmpty. Operand 66456 states and 96388 transitions. [2020-12-22 14:07:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-12-22 14:07:13,686 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:07:13,686 INFO L422 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, 1] [2020-12-22 14:07:13,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 14:07:13,687 INFO L429 AbstractCegarLoop]: === Iteration 9 === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:07:13,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:07:13,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1127629658, now seen corresponding path program 1 times [2020-12-22 14:07:13,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:07:13,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564943609] [2020-12-22 14:07:13,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:07:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:07:14,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-12-22 14:07:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:07:14,646 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 14:07:14,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564943609] [2020-12-22 14:07:14,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138438003] [2020-12-22 14:07:14,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 14:07:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:07:18,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 5440 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 14:07:18,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 14:07:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 14:07:18,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 14:07:18,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2020-12-22 14:07:18,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284722621] [2020-12-22 14:07:18,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 14:07:18,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:07:18,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 14:07:18,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-22 14:07:18,447 INFO L87 Difference]: Start difference. First operand 66456 states and 96388 transitions. Second operand 6 states. [2020-12-22 14:07:35,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:07:35,985 INFO L93 Difference]: Finished difference Result 135705 states and 197935 transitions. [2020-12-22 14:07:35,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:07:35,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 283 [2020-12-22 14:07:35,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:07:36,227 INFO L225 Difference]: With dead ends: 135705 [2020-12-22 14:07:36,227 INFO L226 Difference]: Without dead ends: 69405 [2020-12-22 14:07:36,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-22 14:07:36,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69405 states. [2020-12-22 14:07:38,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69405 to 66480. [2020-12-22 14:07:38,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66480 states. [2020-12-22 14:07:38,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66480 states to 66480 states and 96412 transitions. [2020-12-22 14:07:38,649 INFO L78 Accepts]: Start accepts. Automaton has 66480 states and 96412 transitions. Word has length 283 [2020-12-22 14:07:38,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:07:38,650 INFO L481 AbstractCegarLoop]: Abstraction has 66480 states and 96412 transitions. [2020-12-22 14:07:38,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 14:07:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 66480 states and 96412 transitions. [2020-12-22 14:07:38,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-12-22 14:07:38,678 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:07:38,678 INFO L422 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] [2020-12-22 14:07:38,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 14:07:38,893 INFO L429 AbstractCegarLoop]: === Iteration 10 === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:07:38,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:07:38,895 INFO L82 PathProgramCache]: Analyzing trace with hash 504139678, now seen corresponding path program 2 times [2020-12-22 14:07:38,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:07:38,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876507856] [2020-12-22 14:07:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:07:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:07:39,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-12-22 14:07:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:07:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-22 14:07:39,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876507856] [2020-12-22 14:07:39,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:07:39,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 14:07:39,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450209773] [2020-12-22 14:07:39,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:07:39,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:07:39,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:07:39,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:07:39,746 INFO L87 Difference]: Start difference. First operand 66480 states and 96412 transitions. Second operand 5 states. [2020-12-22 14:07:59,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:07:59,227 INFO L93 Difference]: Finished difference Result 136461 states and 198991 transitions. [2020-12-22 14:07:59,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 14:07:59,229 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 285 [2020-12-22 14:07:59,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:07:59,423 INFO L225 Difference]: With dead ends: 136461 [2020-12-22 14:07:59,424 INFO L226 Difference]: Without dead ends: 70137 [2020-12-22 14:07:59,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 14:07:59,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70137 states. [2020-12-22 14:08:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70137 to 66504. [2020-12-22 14:08:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66504 states. [2020-12-22 14:08:01,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66504 states to 66504 states and 96436 transitions. [2020-12-22 14:08:01,708 INFO L78 Accepts]: Start accepts. Automaton has 66504 states and 96436 transitions. Word has length 285 [2020-12-22 14:08:01,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:08:01,709 INFO L481 AbstractCegarLoop]: Abstraction has 66504 states and 96436 transitions. [2020-12-22 14:08:01,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:08:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 66504 states and 96436 transitions. [2020-12-22 14:08:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-12-22 14:08:01,734 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:08:01,734 INFO L422 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, 1] [2020-12-22 14:08:01,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 14:08:01,734 INFO L429 AbstractCegarLoop]: === Iteration 11 === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:08:01,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:08:01,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1697198857, now seen corresponding path program 1 times [2020-12-22 14:08:01,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:08:01,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31898471] [2020-12-22 14:08:01,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:08:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:08:02,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-12-22 14:08:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:08:02,886 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 14:08:02,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31898471] [2020-12-22 14:08:02,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937242007] [2020-12-22 14:08:02,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 14:08:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:08:06,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 5494 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-22 14:08:06,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 14:08:06,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 14:08:06,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 14:08:06,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2020-12-22 14:08:06,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070932937] [2020-12-22 14:08:06,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 14:08:06,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:08:06,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 14:08:06,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 14:08:06,643 INFO L87 Difference]: Start difference. First operand 66504 states and 96436 transitions. Second operand 7 states. [2020-12-22 14:08:26,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:08:26,696 INFO L93 Difference]: Finished difference Result 135801 states and 198031 transitions. [2020-12-22 14:08:26,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 14:08:26,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 290 [2020-12-22 14:08:26,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:08:26,902 INFO L225 Difference]: With dead ends: 135801 [2020-12-22 14:08:26,902 INFO L226 Difference]: Without dead ends: 69453 [2020-12-22 14:08:27,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 14:08:27,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69453 states.