./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 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-wip.dd.seqcomp-5b36d44 [2021-11-07 14:30:49,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 14:30:49,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 14:30:49,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 14:30:49,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 14:30:49,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 14:30:49,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 14:30:49,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 14:30:49,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 14:30:49,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 14:30:49,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 14:30:49,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 14:30:49,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 14:30:49,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 14:30:49,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 14:30:49,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 14:30:49,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 14:30:49,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 14:30:49,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 14:30:49,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 14:30:49,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 14:30:49,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 14:30:49,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 14:30:49,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 14:30:49,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 14:30:49,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 14:30:49,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 14:30:49,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 14:30:49,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 14:30:49,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 14:30:49,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 14:30:49,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 14:30:49,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 14:30:49,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 14:30:49,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 14:30:49,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 14:30:49,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 14:30:49,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 14:30:49,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 14:30:49,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 14:30:49,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 14:30:49,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 14:30:49,332 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 14:30:49,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 14:30:49,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 14:30:49,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 14:30:49,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 14:30:49,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 14:30:49,334 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 14:30:49,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 14:30:49,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 14:30:49,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 14:30:49,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 14:30:49,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 14:30:49,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 14:30:49,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 14:30:49,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 14:30:49,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 14:30:49,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 14:30:49,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 14:30:49,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 14:30:49,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 14:30:49,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 14:30:49,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 14:30:49,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 14:30:49,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 14:30:49,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 14:30:49,346 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 14:30:49,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 14:30:49,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 14:30:49,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 14:30:49,347 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf26404e70c3394fd0367244976693545d30c1a748b5c7360fa4057d4decd8b [2021-11-07 14:30:49,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 14:30:49,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 14:30:49,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 14:30:49,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 14:30:49,557 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 14:30:49,558 INFO L432 ainManager$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 [2021-11-07 14:30:49,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da973512d/7f143aec25d6499390baae3295ed2623/FLAG99621698f [2021-11-07 14:30:50,196 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 14:30:50,196 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 [2021-11-07 14:30:50,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da973512d/7f143aec25d6499390baae3295ed2623/FLAG99621698f [2021-11-07 14:30:50,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da973512d/7f143aec25d6499390baae3295ed2623 [2021-11-07 14:30:50,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 14:30:50,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 14:30:50,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 14:30:50,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 14:30:50,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 14:30:50,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:30:50" (1/1) ... [2021-11-07 14:30:50,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3e208d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:50, skipping insertion in model container [2021-11-07 14:30:50,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:30:50" (1/1) ... [2021-11-07 14:30:50,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 14:30:50,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 14:30:52,617 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] [2021-11-07 14:30:52,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 14:30:52,740 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 14:30:53,101 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] [2021-11-07 14:30:53,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 14:30:53,314 INFO L208 MainTranslator]: Completed translation [2021-11-07 14:30:53,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53 WrapperNode [2021-11-07 14:30:53,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 14:30:53,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 14:30:53,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 14:30:53,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 14:30:53,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53" (1/1) ... [2021-11-07 14:30:53,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53" (1/1) ... [2021-11-07 14:30:53,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 14:30:53,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 14:30:53,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 14:30:53,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 14:30:53,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53" (1/1) ... [2021-11-07 14:30:53,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53" (1/1) ... [2021-11-07 14:30:54,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53" (1/1) ... [2021-11-07 14:30:54,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53" (1/1) ... [2021-11-07 14:30:54,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53" (1/1) ... [2021-11-07 14:30:54,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53" (1/1) ... [2021-11-07 14:30:54,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53" (1/1) ... [2021-11-07 14:30:54,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 14:30:54,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 14:30:54,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 14:30:54,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 14:30:54,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53" (1/1) ... [2021-11-07 14:30:54,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 14:30:54,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 14:30:54,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 14:30:54,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 14:30:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-07 14:30:54,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-07 14:30:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-07 14:30:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-07 14:30:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-07 14:30:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-07 14:30:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-07 14:30:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-07 14:30:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-07 14:30:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-07 14:30:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 14:30:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-07 14:30:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-07 14:30:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 14:30:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 14:30:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 14:30:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-07 14:30:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-07 14:30:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-07 14:30:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-07 14:30:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 14:30:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 14:30:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 14:30:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 14:30:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 14:30:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-07 14:30:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-07 14:30:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-07 14:30:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-07 14:30:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-07 14:30:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-07 14:30:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 14:30:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 14:30:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-07 14:30:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-07 14:30:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-07 14:30:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-07 14:30:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-07 14:30:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 14:30:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 14:30:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-07 14:30:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-07 14:30:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-07 14:30:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-07 14:30:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-07 14:30:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 14:30:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 14:30:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-07 14:30:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-07 14:30:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 14:30:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-07 14:30:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-07 14:30:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 14:30:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-07 14:30:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-07 14:30:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-07 14:30:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-07 14:30:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-07 14:30:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-07 14:30:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-07 14:30:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-07 14:30:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 14:30:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 14:30:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-07 14:30:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-07 14:30:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 14:30:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-07 14:30:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-07 14:30:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-07 14:30:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-07 14:30:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-07 14:30:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-07 14:31:10,902 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 14:31:10,902 INFO L299 CfgBuilder]: Removed 5858 assume(true) statements. [2021-11-07 14:31:10,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:31:10 BoogieIcfgContainer [2021-11-07 14:31:10,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 14:31:10,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 14:31:10,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 14:31:10,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 14:31:10,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:30:50" (1/3) ... [2021-11-07 14:31:10,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54800ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:31:10, skipping insertion in model container [2021-11-07 14:31:10,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:30:53" (2/3) ... [2021-11-07 14:31:10,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54800ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:31:10, skipping insertion in model container [2021-11-07 14:31:10,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:31:10" (3/3) ... [2021-11-07 14:31:10,922 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2021-11-07 14:31:10,929 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 14:31:10,929 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 14:31:10,986 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 14:31:10,990 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 14:31:10,990 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 14:31:11,077 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) [2021-11-07 14:31:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-07 14:31:11,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:31:11,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:31:11,191 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 14:31:11,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:31:11,195 INFO L85 PathProgramCache]: Analyzing trace with hash 553429760, now seen corresponding path program 1 times [2021-11-07 14:31:11,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:31:11,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219418910] [2021-11-07 14:31:11,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:31:11,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:31:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:31:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:31:11,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:31:11,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219418910] [2021-11-07 14:31:11,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219418910] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:31:11,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:31:11,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:31:11,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446052918] [2021-11-07 14:31:11,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:31:11,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 14:31:11,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:31:11,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 14:31:11,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 14:31:11,811 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) [2021-11-07 14:31:12,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:31:12,015 INFO L93 Difference]: Finished difference Result 13142 states and 19370 transitions. [2021-11-07 14:31:12,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 14:31:12,017 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 [2021-11-07 14:31:12,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:31:12,066 INFO L225 Difference]: With dead ends: 13142 [2021-11-07 14:31:12,066 INFO L226 Difference]: Without dead ends: 6554 [2021-11-07 14:31:12,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 14:31:12,103 INFO L933 BasicCegarLoop]: 9574 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9574 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.35ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 14:31:12,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9574 Invalid, 0 Unknown, 0 Unchecked, 14.35ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 14:31:12,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6554 states. [2021-11-07 14:31:12,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6554 to 6554. [2021-11-07 14:31:12,291 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) [2021-11-07 14:31:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6554 states to 6554 states and 9540 transitions. [2021-11-07 14:31:12,314 INFO L78 Accepts]: Start accepts. Automaton has 6554 states and 9540 transitions. Word has length 171 [2021-11-07 14:31:12,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:31:12,319 INFO L470 AbstractCegarLoop]: Abstraction has 6554 states and 9540 transitions. [2021-11-07 14:31:12,320 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) [2021-11-07 14:31:12,320 INFO L276 IsEmpty]: Start isEmpty. Operand 6554 states and 9540 transitions. [2021-11-07 14:31:12,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-07 14:31:12,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:31:12,327 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:31:12,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 14:31:12,328 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 14:31:12,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:31:12,329 INFO L85 PathProgramCache]: Analyzing trace with hash 2110300698, now seen corresponding path program 1 times [2021-11-07 14:31:12,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:31:12,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479288761] [2021-11-07 14:31:12,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:31:12,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:31:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:31:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:31:12,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:31:12,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479288761] [2021-11-07 14:31:12,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479288761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:31:12,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:31:12,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 14:31:12,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841665350] [2021-11-07 14:31:12,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:31:12,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:31:12,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:31:12,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:31:12,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:31:12,727 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) [2021-11-07 14:31:14,800 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:31:15,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:31:15,160 INFO L93 Difference]: Finished difference Result 19307 states and 28220 transitions. [2021-11-07 14:31:15,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:31:15,161 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 [2021-11-07 14:31:15,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:31:15,219 INFO L225 Difference]: With dead ends: 19307 [2021-11-07 14:31:15,219 INFO L226 Difference]: Without dead ends: 12909 [2021-11-07 14:31:15,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.07ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:31:15,238 INFO L933 BasicCegarLoop]: 9584 mSDtfsCounter, 9322 mSDsluCounter, 9513 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2082.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9322 SdHoareTripleChecker+Valid, 19097 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.09ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2177.91ms IncrementalHoareTripleChecker+Time [2021-11-07 14:31:15,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9322 Valid, 19097 Invalid, 15 Unknown, 0 Unchecked, 30.09ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2177.91ms Time] [2021-11-07 14:31:15,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12909 states. [2021-11-07 14:31:15,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12909 to 12905. [2021-11-07 14:31:15,502 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) [2021-11-07 14:31:15,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12905 states to 12905 states and 18852 transitions. [2021-11-07 14:31:15,541 INFO L78 Accepts]: Start accepts. Automaton has 12905 states and 18852 transitions. Word has length 171 [2021-11-07 14:31:15,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:31:15,543 INFO L470 AbstractCegarLoop]: Abstraction has 12905 states and 18852 transitions. [2021-11-07 14:31:15,544 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) [2021-11-07 14:31:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 12905 states and 18852 transitions. [2021-11-07 14:31:15,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-07 14:31:15,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:31:15,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:31:15,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 14:31:15,548 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 14:31:15,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:31:15,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1014122229, now seen corresponding path program 1 times [2021-11-07 14:31:15,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:31:15,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254332623] [2021-11-07 14:31:15,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:31:15,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:31:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:31:16,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:31:16,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:31:16,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254332623] [2021-11-07 14:31:16,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254332623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:31:16,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:31:16,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:31:16,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418448128] [2021-11-07 14:31:16,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:31:16,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:31:16,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:31:16,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:31:16,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:31:16,103 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) [2021-11-07 14:31:16,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:31:16,506 INFO L93 Difference]: Finished difference Result 38397 states and 56385 transitions. [2021-11-07 14:31:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:31:16,506 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 [2021-11-07 14:31:16,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:31:16,596 INFO L225 Difference]: With dead ends: 38397 [2021-11-07 14:31:16,597 INFO L226 Difference]: Without dead ends: 25642 [2021-11-07 14:31:16,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.76ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:31:16,642 INFO L933 BasicCegarLoop]: 10045 mSDtfsCounter, 9361 mSDsluCounter, 9402 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9361 SdHoareTripleChecker+Valid, 19447 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.15ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.31ms IncrementalHoareTripleChecker+Time [2021-11-07 14:31:16,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9361 Valid, 19447 Invalid, 13 Unknown, 0 Unchecked, 23.15ms Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 15.31ms Time] [2021-11-07 14:31:16,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25642 states. [2021-11-07 14:31:17,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25642 to 25636. [2021-11-07 14:31:17,171 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) [2021-11-07 14:31:17,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25636 states to 25636 states and 37600 transitions. [2021-11-07 14:31:17,243 INFO L78 Accepts]: Start accepts. Automaton has 25636 states and 37600 transitions. Word has length 174 [2021-11-07 14:31:17,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:31:17,244 INFO L470 AbstractCegarLoop]: Abstraction has 25636 states and 37600 transitions. [2021-11-07 14:31:17,245 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) [2021-11-07 14:31:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 25636 states and 37600 transitions. [2021-11-07 14:31:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-07 14:31:17,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:31:17,253 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:31:17,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 14:31:17,254 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] === [2021-11-07 14:31:17,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:31:17,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1839858973, now seen corresponding path program 1 times [2021-11-07 14:31:17,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:31:17,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682010085] [2021-11-07 14:31:17,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:31:17,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:31:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:31:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:31:17,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:31:17,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682010085] [2021-11-07 14:31:17,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682010085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:31:17,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:31:17,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 14:31:17,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718054519] [2021-11-07 14:31:17,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:31:17,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:31:17,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:31:17,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:31:17,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:31:17,486 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) [2021-11-07 14:31:18,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:31:18,782 INFO L93 Difference]: Finished difference Result 70412 states and 102726 transitions. [2021-11-07 14:31:18,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:31:18,782 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 [2021-11-07 14:31:18,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:31:18,939 INFO L225 Difference]: With dead ends: 70412 [2021-11-07 14:31:18,940 INFO L226 Difference]: Without dead ends: 44932 [2021-11-07 14:31:19,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.79ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:31:19,019 INFO L933 BasicCegarLoop]: 13358 mSDtfsCounter, 7104 mSDsluCounter, 9150 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 237.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7104 SdHoareTripleChecker+Valid, 22508 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.81ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 298.24ms IncrementalHoareTripleChecker+Time [2021-11-07 14:31:19,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7104 Valid, 22508 Invalid, 215 Unknown, 0 Unchecked, 21.81ms Time], IncrementalHoareTripleChecker [2 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 298.24ms Time] [2021-11-07 14:31:19,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44932 states. [2021-11-07 14:31:19,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44932 to 44882. [2021-11-07 14:31:20,061 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) [2021-11-07 14:31:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44882 states to 44882 states and 65252 transitions. [2021-11-07 14:31:20,343 INFO L78 Accepts]: Start accepts. Automaton has 44882 states and 65252 transitions. Word has length 203 [2021-11-07 14:31:20,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:31:20,343 INFO L470 AbstractCegarLoop]: Abstraction has 44882 states and 65252 transitions. [2021-11-07 14:31:20,343 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) [2021-11-07 14:31:20,343 INFO L276 IsEmpty]: Start isEmpty. Operand 44882 states and 65252 transitions. [2021-11-07 14:31:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-11-07 14:31:20,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:31:20,359 INFO L514 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] [2021-11-07 14:31:20,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 14:31:20,359 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] === [2021-11-07 14:31:20,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:31:20,360 INFO L85 PathProgramCache]: Analyzing trace with hash -338064109, now seen corresponding path program 1 times [2021-11-07 14:31:20,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:31:20,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128267430] [2021-11-07 14:31:20,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:31:20,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:31:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:31:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:31:20,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:31:20,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128267430] [2021-11-07 14:31:20,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128267430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:31:20,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:31:20,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 14:31:20,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741248343] [2021-11-07 14:31:20,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:31:20,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:31:20,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:31:20,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:31:20,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:31:20,622 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) [2021-11-07 14:31:22,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:31:24,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:31:24,326 INFO L93 Difference]: Finished difference Result 109300 states and 158814 transitions. [2021-11-07 14:31:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:31:24,327 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 [2021-11-07 14:31:24,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:31:24,574 INFO L225 Difference]: With dead ends: 109300 [2021-11-07 14:31:24,574 INFO L226 Difference]: Without dead ends: 64574 [2021-11-07 14:31:24,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:31:24,660 INFO L933 BasicCegarLoop]: 13111 mSDtfsCounter, 7673 mSDsluCounter, 8680 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2452.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7673 SdHoareTripleChecker+Valid, 21791 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.58ms SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2657.17ms IncrementalHoareTripleChecker+Time [2021-11-07 14:31:24,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7673 Valid, 21791 Invalid, 355 Unknown, 0 Unchecked, 19.58ms Time], IncrementalHoareTripleChecker [114 Valid, 240 Invalid, 1 Unknown, 0 Unchecked, 2657.17ms Time] [2021-11-07 14:31:24,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64574 states. [2021-11-07 14:31:25,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64574 to 64524. [2021-11-07 14:31:25,832 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) [2021-11-07 14:31:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64524 states to 64524 states and 93408 transitions. [2021-11-07 14:31:26,183 INFO L78 Accepts]: Start accepts. Automaton has 64524 states and 93408 transitions. Word has length 242 [2021-11-07 14:31:26,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:31:26,184 INFO L470 AbstractCegarLoop]: Abstraction has 64524 states and 93408 transitions. [2021-11-07 14:31:26,185 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) [2021-11-07 14:31:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 64524 states and 93408 transitions. [2021-11-07 14:31:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-07 14:31:26,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:31:26,214 INFO L514 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] [2021-11-07 14:31:26,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 14:31:26,214 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] === [2021-11-07 14:31:26,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:31:26,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1293165516, now seen corresponding path program 1 times [2021-11-07 14:31:26,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:31:26,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227834358] [2021-11-07 14:31:26,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:31:26,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:31:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:31:26,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-07 14:31:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:31:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:31:26,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:31:26,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227834358] [2021-11-07 14:31:26,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227834358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:31:26,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:31:26,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 14:31:26,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887401670] [2021-11-07 14:31:26,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:31:26,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 14:31:26,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:31:26,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 14:31:26,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 14:31:26,849 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) [2021-11-07 14:31:28,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:31:30,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:31:44,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:31:44,524 INFO L93 Difference]: Finished difference Result 156862 states and 227552 transitions. [2021-11-07 14:31:44,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 14:31:44,525 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 [2021-11-07 14:31:44,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:31:45,020 INFO L225 Difference]: With dead ends: 156862 [2021-11-07 14:31:45,021 INFO L226 Difference]: Without dead ends: 92494 [2021-11-07 14:31:45,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 93.26ms TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-07 14:31:45,133 INFO L933 BasicCegarLoop]: 16838 mSDtfsCounter, 9196 mSDsluCounter, 55279 mSDsCounter, 0 mSdLazyCounter, 5803 mSolverCounterSat, 215 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14166.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9211 SdHoareTripleChecker+Valid, 72117 SdHoareTripleChecker+Invalid, 6020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 139.04ms SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 5803 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15571.35ms IncrementalHoareTripleChecker+Time [2021-11-07 14:31:45,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9211 Valid, 72117 Invalid, 6020 Unknown, 0 Unchecked, 139.04ms Time], IncrementalHoareTripleChecker [215 Valid, 5803 Invalid, 2 Unknown, 0 Unchecked, 15571.35ms Time] [2021-11-07 14:31:45,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92494 states. [2021-11-07 14:31:46,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92494 to 66432. [2021-11-07 14:31:46,659 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) [2021-11-07 14:31:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66432 states to 66432 states and 96364 transitions. [2021-11-07 14:31:47,059 INFO L78 Accepts]: Start accepts. Automaton has 66432 states and 96364 transitions. Word has length 273 [2021-11-07 14:31:47,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:31:47,059 INFO L470 AbstractCegarLoop]: Abstraction has 66432 states and 96364 transitions. [2021-11-07 14:31:47,060 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) [2021-11-07 14:31:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 66432 states and 96364 transitions. [2021-11-07 14:31:47,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-07 14:31:47,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:31:47,090 INFO L514 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] [2021-11-07 14:31:47,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 14:31:47,090 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] === [2021-11-07 14:31:47,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:31:47,091 INFO L85 PathProgramCache]: Analyzing trace with hash -612340841, now seen corresponding path program 1 times [2021-11-07 14:31:47,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:31:47,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716114118] [2021-11-07 14:31:47,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:31:47,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:31:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:31:47,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-07 14:31:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:31:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:31:47,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:31:47,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716114118] [2021-11-07 14:31:47,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716114118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:31:47,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:31:47,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 14:31:47,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913528896] [2021-11-07 14:31:47,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:31:47,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 14:31:47,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:31:47,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 14:31:47,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 14:31:47,380 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) [2021-11-07 14:31:49,418 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:31:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:31:57,039 INFO L93 Difference]: Finished difference Result 135729 states and 198019 transitions. [2021-11-07 14:31:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 14:31:57,040 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 [2021-11-07 14:31:57,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:31:57,245 INFO L225 Difference]: With dead ends: 135729 [2021-11-07 14:31:57,245 INFO L226 Difference]: Without dead ends: 69453 [2021-11-07 14:31:57,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.92ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 14:31:57,374 INFO L933 BasicCegarLoop]: 9331 mSDtfsCounter, 1030 mSDsluCounter, 16190 mSDsCounter, 0 mSdLazyCounter, 2678 mSolverCounterSat, 68 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7136.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 25521 SdHoareTripleChecker+Invalid, 2747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 50.46ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 2678 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7856.19ms IncrementalHoareTripleChecker+Time [2021-11-07 14:31:57,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1030 Valid, 25521 Invalid, 2747 Unknown, 0 Unchecked, 50.46ms Time], IncrementalHoareTripleChecker [68 Valid, 2678 Invalid, 1 Unknown, 0 Unchecked, 7856.19ms Time] [2021-11-07 14:31:57,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69453 states. [2021-11-07 14:31:58,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69453 to 66444. [2021-11-07 14:31:58,684 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) [2021-11-07 14:31:58,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66444 states to 66444 states and 96376 transitions. [2021-11-07 14:31:58,989 INFO L78 Accepts]: Start accepts. Automaton has 66444 states and 96376 transitions. Word has length 280 [2021-11-07 14:31:58,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:31:58,990 INFO L470 AbstractCegarLoop]: Abstraction has 66444 states and 96376 transitions. [2021-11-07 14:31:58,990 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) [2021-11-07 14:31:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 66444 states and 96376 transitions. [2021-11-07 14:31:59,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-07 14:31:59,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:31:59,018 INFO L514 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] [2021-11-07 14:31:59,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 14:31:59,018 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] === [2021-11-07 14:31:59,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:31:59,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1273813549, now seen corresponding path program 1 times [2021-11-07 14:31:59,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:31:59,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982088398] [2021-11-07 14:31:59,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:31:59,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:31:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:31:59,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-07 14:31:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:31:59,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:31:59,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:31:59,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982088398] [2021-11-07 14:31:59,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982088398] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 14:31:59,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607496690] [2021-11-07 14:31:59,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:31:59,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 14:31:59,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 14:31:59,325 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) [2021-11-07 14:31:59,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 14:32:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:32:00,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 5434 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 14:32:00,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 14:32:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:32:01,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 14:32:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:32:01,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607496690] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 14:32:01,792 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 14:32:01,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2021-11-07 14:32:01,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607045563] [2021-11-07 14:32:01,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 14:32:01,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 14:32:01,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:32:01,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 14:32:01,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 14:32:01,796 INFO L87 Difference]: Start difference. First operand 66444 states and 96376 transitions. Second operand has 8 states, 8 states have (on average 35.625) internal successors, (285), 7 states have internal predecessors, (285), 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) [2021-11-07 14:32:03,833 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:32:12,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:32:12,332 INFO L93 Difference]: Finished difference Result 135801 states and 198115 transitions. [2021-11-07 14:32:12,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 14:32:12,333 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 35.625) internal successors, (285), 7 states have internal predecessors, (285), 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 [2021-11-07 14:32:12,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:32:12,549 INFO L225 Difference]: With dead ends: 135801 [2021-11-07 14:32:12,550 INFO L226 Difference]: Without dead ends: 69513 [2021-11-07 14:32:12,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 52.61ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-07 14:32:12,855 INFO L933 BasicCegarLoop]: 9331 mSDtfsCounter, 1035 mSDsluCounter, 25519 mSDsCounter, 0 mSdLazyCounter, 2943 mSolverCounterSat, 73 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8096.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 34850 SdHoareTripleChecker+Invalid, 3017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 60.45ms SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2943 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8826.50ms IncrementalHoareTripleChecker+Time [2021-11-07 14:32:12,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1035 Valid, 34850 Invalid, 3017 Unknown, 0 Unchecked, 60.45ms Time], IncrementalHoareTripleChecker [73 Valid, 2943 Invalid, 1 Unknown, 0 Unchecked, 8826.50ms Time] [2021-11-07 14:32:12,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69513 states. [2021-11-07 14:32:14,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69513 to 66516. [2021-11-07 14:32:14,121 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) [2021-11-07 14:32:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66516 states to 66516 states and 96448 transitions. [2021-11-07 14:32:14,431 INFO L78 Accepts]: Start accepts. Automaton has 66516 states and 96448 transitions. Word has length 282 [2021-11-07 14:32:14,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:32:14,432 INFO L470 AbstractCegarLoop]: Abstraction has 66516 states and 96448 transitions. [2021-11-07 14:32:14,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 35.625) internal successors, (285), 7 states have internal predecessors, (285), 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) [2021-11-07 14:32:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 66516 states and 96448 transitions. [2021-11-07 14:32:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-07 14:32:14,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:32:14,460 INFO L514 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] [2021-11-07 14:32:14,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 14:32:14,675 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 [2021-11-07 14:32:14,676 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] === [2021-11-07 14:32:14,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:32:14,676 INFO L85 PathProgramCache]: Analyzing trace with hash -2098685305, now seen corresponding path program 2 times [2021-11-07 14:32:14,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:32:14,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921632160] [2021-11-07 14:32:14,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:32:14,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:32:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:32:14,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-07 14:32:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:32:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-07 14:32:14,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:32:14,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921632160] [2021-11-07 14:32:14,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921632160] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:32:14,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:32:14,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 14:32:14,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086822010] [2021-11-07 14:32:14,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:32:14,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 14:32:14,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:32:14,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 14:32:14,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 14:32:14,970 INFO L87 Difference]: Start difference. First operand 66516 states and 96448 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) [2021-11-07 14:32:17,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:32:25,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:32:25,448 INFO L93 Difference]: Finished difference Result 136617 states and 199207 transitions. [2021-11-07 14:32:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 14:32:25,448 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 288 [2021-11-07 14:32:25,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:32:25,804 INFO L225 Difference]: With dead ends: 136617 [2021-11-07 14:32:25,805 INFO L226 Difference]: Without dead ends: 70257 [2021-11-07 14:32:25,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.08ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 14:32:25,916 INFO L933 BasicCegarLoop]: 9338 mSDtfsCounter, 1187 mSDsluCounter, 25485 mSDsCounter, 0 mSdLazyCounter, 2945 mSolverCounterSat, 77 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8141.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 34823 SdHoareTripleChecker+Invalid, 3023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 59.43ms SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 2945 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8864.71ms IncrementalHoareTripleChecker+Time [2021-11-07 14:32:25,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1188 Valid, 34823 Invalid, 3023 Unknown, 0 Unchecked, 59.43ms Time], IncrementalHoareTripleChecker [77 Valid, 2945 Invalid, 1 Unknown, 0 Unchecked, 8864.71ms Time] [2021-11-07 14:32:25,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70257 states. [2021-11-07 14:32:27,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70257 to 66540. [2021-11-07 14:32:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66540 states, 65591 states have (on average 1.4485523928587765) internal successors, (95012), 65675 states have internal predecessors, (95012), 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) [2021-11-07 14:32:27,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66540 states to 66540 states and 96472 transitions. [2021-11-07 14:32:27,533 INFO L78 Accepts]: Start accepts. Automaton has 66540 states and 96472 transitions. Word has length 288 [2021-11-07 14:32:27,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:32:27,534 INFO L470 AbstractCegarLoop]: Abstraction has 66540 states and 96472 transitions. [2021-11-07 14:32:27,534 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) [2021-11-07 14:32:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 66540 states and 96472 transitions. [2021-11-07 14:32:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-07 14:32:27,556 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:32:27,556 INFO L514 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] [2021-11-07 14:32:27,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 14:32:27,556 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] === [2021-11-07 14:32:27,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:32:27,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1003424105, now seen corresponding path program 1 times [2021-11-07 14:32:27,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:32:27,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275697118] [2021-11-07 14:32:27,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:32:27,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:32:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:32:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-07 14:32:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:32:27,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:32:27,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:32:27,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275697118] [2021-11-07 14:32:27,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275697118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:32:27,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:32:27,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 14:32:27,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756083059] [2021-11-07 14:32:27,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:32:27,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 14:32:27,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:32:27,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 14:32:27,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 14:32:27,822 INFO L87 Difference]: Start difference. First operand 66540 states and 96472 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) [2021-11-07 14:32:29,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:32:37,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:32:37,325 INFO L93 Difference]: Finished difference Result 135417 states and 197233 transitions. [2021-11-07 14:32:37,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 14:32:37,326 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 [2021-11-07 14:32:37,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:32:37,521 INFO L225 Difference]: With dead ends: 135417 [2021-11-07 14:32:37,521 INFO L226 Difference]: Without dead ends: 69033 [2021-11-07 14:32:37,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 58.62ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 14:32:37,679 INFO L933 BasicCegarLoop]: 9246 mSDtfsCounter, 942 mSDsluCounter, 16103 mSDsCounter, 0 mSdLazyCounter, 2679 mSolverCounterSat, 77 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6970.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 25349 SdHoareTripleChecker+Invalid, 2757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 48.17ms SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 2679 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7670.71ms IncrementalHoareTripleChecker+Time [2021-11-07 14:32:37,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [942 Valid, 25349 Invalid, 2757 Unknown, 0 Unchecked, 48.17ms Time], IncrementalHoareTripleChecker [77 Valid, 2679 Invalid, 1 Unknown, 0 Unchecked, 7670.71ms Time] [2021-11-07 14:32:37,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69033 states. [2021-11-07 14:32:39,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69033 to 66036. [2021-11-07 14:32:39,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66036 states, 65087 states have (on average 1.4442822683485181) internal successors, (94004), 65171 states have internal predecessors, (94004), 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) [2021-11-07 14:32:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66036 states to 66036 states and 95464 transitions. [2021-11-07 14:32:39,307 INFO L78 Accepts]: Start accepts. Automaton has 66036 states and 95464 transitions. Word has length 294 [2021-11-07 14:32:39,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:32:39,308 INFO L470 AbstractCegarLoop]: Abstraction has 66036 states and 95464 transitions. [2021-11-07 14:32:39,308 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) [2021-11-07 14:32:39,308 INFO L276 IsEmpty]: Start isEmpty. Operand 66036 states and 95464 transitions. [2021-11-07 14:32:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-07 14:32:39,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:32:39,332 INFO L514 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] [2021-11-07 14:32:39,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 14:32:39,333 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] === [2021-11-07 14:32:39,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:32:39,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1636137774, now seen corresponding path program 1 times [2021-11-07 14:32:39,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:32:39,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981256563] [2021-11-07 14:32:39,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:32:39,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:32:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:32:39,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-07 14:32:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:32:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:32:39,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:32:39,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981256563] [2021-11-07 14:32:39,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981256563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:32:39,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:32:39,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 14:32:39,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609502903] [2021-11-07 14:32:39,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:32:39,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 14:32:39,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:32:39,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 14:32:39,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 14:32:39,777 INFO L87 Difference]: Start difference. First operand 66036 states and 95464 transitions. Second operand has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 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) [2021-11-07 14:32:41,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:32:49,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:32:49,453 INFO L93 Difference]: Finished difference Result 134877 states and 196141 transitions. [2021-11-07 14:32:49,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 14:32:49,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 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 296 [2021-11-07 14:32:49,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:32:49,643 INFO L225 Difference]: With dead ends: 134877 [2021-11-07 14:32:49,643 INFO L226 Difference]: Without dead ends: 68997 [2021-11-07 14:32:49,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 58.45ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 14:32:49,776 INFO L933 BasicCegarLoop]: 9243 mSDtfsCounter, 1223 mSDsluCounter, 15950 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 71 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7337.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 25193 SdHoareTripleChecker+Invalid, 2742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 48.21ms SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8025.57ms IncrementalHoareTripleChecker+Time [2021-11-07 14:32:49,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1223 Valid, 25193 Invalid, 2742 Unknown, 0 Unchecked, 48.21ms Time], IncrementalHoareTripleChecker [71 Valid, 2670 Invalid, 1 Unknown, 0 Unchecked, 8025.57ms Time] [2021-11-07 14:32:49,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68997 states. [2021-11-07 14:32:51,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68997 to 66000. [2021-11-07 14:32:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66000 states, 65051 states have (on average 1.4441591981675916) internal successors, (93944), 65135 states have internal predecessors, (93944), 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) [2021-11-07 14:32:51,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66000 states to 66000 states and 95404 transitions. [2021-11-07 14:32:51,358 INFO L78 Accepts]: Start accepts. Automaton has 66000 states and 95404 transitions. Word has length 296 [2021-11-07 14:32:51,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:32:51,359 INFO L470 AbstractCegarLoop]: Abstraction has 66000 states and 95404 transitions. [2021-11-07 14:32:51,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 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) [2021-11-07 14:32:51,359 INFO L276 IsEmpty]: Start isEmpty. Operand 66000 states and 95404 transitions. [2021-11-07 14:32:51,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-07 14:32:51,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:32:51,381 INFO L514 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] [2021-11-07 14:32:51,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 14:32:51,381 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] === [2021-11-07 14:32:51,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:32:51,382 INFO L85 PathProgramCache]: Analyzing trace with hash 152967268, now seen corresponding path program 1 times [2021-11-07 14:32:51,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:32:51,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668640549] [2021-11-07 14:32:51,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:32:51,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:32:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:32:51,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-07 14:32:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:32:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:32:51,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:32:51,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668640549] [2021-11-07 14:32:51,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668640549] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:32:51,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:32:51,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 14:32:51,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335001164] [2021-11-07 14:32:51,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:32:51,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 14:32:51,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:32:51,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 14:32:51,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 14:32:51,820 INFO L87 Difference]: Start difference. First operand 66000 states and 95404 transitions. Second operand has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 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) [2021-11-07 14:32:53,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:33:01,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:33:01,481 INFO L93 Difference]: Finished difference Result 134781 states and 195937 transitions. [2021-11-07 14:33:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 14:33:01,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 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 296 [2021-11-07 14:33:01,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:33:01,816 INFO L225 Difference]: With dead ends: 134781 [2021-11-07 14:33:01,817 INFO L226 Difference]: Without dead ends: 68937 [2021-11-07 14:33:01,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 67.67ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 14:33:01,940 INFO L933 BasicCegarLoop]: 9230 mSDtfsCounter, 922 mSDsluCounter, 16086 mSDsCounter, 0 mSdLazyCounter, 2681 mSolverCounterSat, 77 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7133.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 25316 SdHoareTripleChecker+Invalid, 2759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 139.16ms SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 2681 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7957.38ms IncrementalHoareTripleChecker+Time [2021-11-07 14:33:01,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [922 Valid, 25316 Invalid, 2759 Unknown, 0 Unchecked, 139.16ms Time], IncrementalHoareTripleChecker [77 Valid, 2681 Invalid, 1 Unknown, 0 Unchecked, 7957.38ms Time] [2021-11-07 14:33:01,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68937 states. [2021-11-07 14:33:03,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68937 to 65928. [2021-11-07 14:33:03,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65928 states, 64979 states have (on average 1.4429892734575787) internal successors, (93764), 65063 states have internal predecessors, (93764), 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) [2021-11-07 14:33:03,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65928 states to 65928 states and 95224 transitions. [2021-11-07 14:33:03,423 INFO L78 Accepts]: Start accepts. Automaton has 65928 states and 95224 transitions. Word has length 296 [2021-11-07 14:33:03,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:33:03,423 INFO L470 AbstractCegarLoop]: Abstraction has 65928 states and 95224 transitions. [2021-11-07 14:33:03,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 3 states have internal predecessors, (287), 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) [2021-11-07 14:33:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 65928 states and 95224 transitions. [2021-11-07 14:33:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-07 14:33:03,446 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:33:03,446 INFO L514 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] [2021-11-07 14:33:03,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 14:33:03,447 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] === [2021-11-07 14:33:03,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:33:03,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1740057140, now seen corresponding path program 1 times [2021-11-07 14:33:03,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:33:03,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367836506] [2021-11-07 14:33:03,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:33:03,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:33:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:33:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-07 14:33:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:33:04,075 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:33:04,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:33:04,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367836506] [2021-11-07 14:33:04,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367836506] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 14:33:04,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065639169] [2021-11-07 14:33:04,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:33:04,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 14:33:04,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 14:33:04,077 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) [2021-11-07 14:33:04,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 14:33:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:33:05,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 5500 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 14:33:05,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 14:33:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:33:06,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 14:33:06,654 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:33:06,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065639169] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 14:33:06,654 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 14:33:06,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2021-11-07 14:33:06,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366412875] [2021-11-07 14:33:06,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 14:33:06,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 14:33:06,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:33:06,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 14:33:06,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-11-07 14:33:06,656 INFO L87 Difference]: Start difference. First operand 65928 states and 95224 transitions. Second operand has 14 states, 14 states have (on average 21.571428571428573) internal successors, (302), 13 states have internal predecessors, (302), 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) [2021-11-07 14:33:08,208 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:33:16,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:33:16,787 INFO L93 Difference]: Finished difference Result 134841 states and 195919 transitions. [2021-11-07 14:33:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 14:33:16,788 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 21.571428571428573) internal successors, (302), 13 states have internal predecessors, (302), 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 293 [2021-11-07 14:33:16,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:33:17,015 INFO L225 Difference]: With dead ends: 134841 [2021-11-07 14:33:17,016 INFO L226 Difference]: Without dead ends: 69069 [2021-11-07 14:33:17,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 109.81ms TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-11-07 14:33:17,335 INFO L933 BasicCegarLoop]: 9228 mSDtfsCounter, 935 mSDsluCounter, 34540 mSDsCounter, 0 mSdLazyCounter, 3214 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7406.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 935 SdHoareTripleChecker+Valid, 43768 SdHoareTripleChecker+Invalid, 3291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 60.25ms SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 3214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8211.13ms IncrementalHoareTripleChecker+Time [2021-11-07 14:33:17,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [935 Valid, 43768 Invalid, 3291 Unknown, 0 Unchecked, 60.25ms Time], IncrementalHoareTripleChecker [77 Valid, 3214 Invalid, 0 Unknown, 0 Unchecked, 8211.13ms Time] [2021-11-07 14:33:17,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69069 states. [2021-11-07 14:33:18,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69069 to 66072. [2021-11-07 14:33:18,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66072 states, 65123 states have (on average 1.4420097354237367) internal successors, (93908), 65207 states have internal predecessors, (93908), 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) [2021-11-07 14:33:18,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66072 states to 66072 states and 95368 transitions. [2021-11-07 14:33:18,925 INFO L78 Accepts]: Start accepts. Automaton has 66072 states and 95368 transitions. Word has length 293 [2021-11-07 14:33:18,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:33:18,925 INFO L470 AbstractCegarLoop]: Abstraction has 66072 states and 95368 transitions. [2021-11-07 14:33:18,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 21.571428571428573) internal successors, (302), 13 states have internal predecessors, (302), 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) [2021-11-07 14:33:18,925 INFO L276 IsEmpty]: Start isEmpty. Operand 66072 states and 95368 transitions. [2021-11-07 14:33:18,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-07 14:33:18,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:33:18,944 INFO L514 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] [2021-11-07 14:33:18,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 14:33:19,144 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,SelfDestructingSolverStorable12 [2021-11-07 14:33:19,145 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] === [2021-11-07 14:33:19,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:33:19,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1931296852, now seen corresponding path program 1 times [2021-11-07 14:33:19,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:33:19,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382901254] [2021-11-07 14:33:19,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:33:19,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:33:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:33:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-07 14:33:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:33:19,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:33:19,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:33:19,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382901254] [2021-11-07 14:33:19,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382901254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:33:19,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:33:19,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 14:33:19,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535420900] [2021-11-07 14:33:19,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:33:19,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 14:33:19,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:33:19,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 14:33:19,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 14:33:19,458 INFO L87 Difference]: Start difference. First operand 66072 states and 95368 transitions. Second operand has 4 states, 4 states have (on average 72.25) internal successors, (289), 3 states have internal predecessors, (289), 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) [2021-11-07 14:33:21,500 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:33:30,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:33:30,124 INFO L93 Difference]: Finished difference Result 135255 states and 196451 transitions. [2021-11-07 14:33:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 14:33:30,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.25) internal successors, (289), 3 states have internal predecessors, (289), 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 298 [2021-11-07 14:33:30,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:33:30,340 INFO L225 Difference]: With dead ends: 135255 [2021-11-07 14:33:30,340 INFO L226 Difference]: Without dead ends: 69339 [2021-11-07 14:33:30,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 78.52ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 14:33:30,502 INFO L933 BasicCegarLoop]: 9237 mSDtfsCounter, 984 mSDsluCounter, 16075 mSDsCounter, 0 mSdLazyCounter, 2682 mSolverCounterSat, 74 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7810.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 25312 SdHoareTripleChecker+Invalid, 2757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 51.00ms SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2682 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8718.99ms IncrementalHoareTripleChecker+Time [2021-11-07 14:33:30,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [986 Valid, 25312 Invalid, 2757 Unknown, 0 Unchecked, 51.00ms Time], IncrementalHoareTripleChecker [74 Valid, 2682 Invalid, 1 Unknown, 0 Unchecked, 8718.99ms Time] [2021-11-07 14:33:30,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69339 states. [2021-11-07 14:33:31,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69339 to 66084. [2021-11-07 14:33:32,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66084 states, 65135 states have (on average 1.4419283027558147) internal successors, (93920), 65219 states have internal predecessors, (93920), 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) [2021-11-07 14:33:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66084 states to 66084 states and 95380 transitions. [2021-11-07 14:33:32,167 INFO L78 Accepts]: Start accepts. Automaton has 66084 states and 95380 transitions. Word has length 298 [2021-11-07 14:33:32,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:33:32,167 INFO L470 AbstractCegarLoop]: Abstraction has 66084 states and 95380 transitions. [2021-11-07 14:33:32,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.25) internal successors, (289), 3 states have internal predecessors, (289), 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) [2021-11-07 14:33:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 66084 states and 95380 transitions. [2021-11-07 14:33:32,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-07 14:33:32,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:33:32,189 INFO L514 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] [2021-11-07 14:33:32,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 14:33:32,189 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] === [2021-11-07 14:33:32,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:33:32,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1087892890, now seen corresponding path program 1 times [2021-11-07 14:33:32,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:33:32,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783388514] [2021-11-07 14:33:32,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:33:32,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:33:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:33:32,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-07 14:33:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:33:32,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:33:32,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:33:32,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783388514] [2021-11-07 14:33:32,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783388514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:33:32,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:33:32,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 14:33:32,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131305811] [2021-11-07 14:33:32,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:33:32,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 14:33:32,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:33:32,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 14:33:32,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 14:33:32,710 INFO L87 Difference]: Start difference. First operand 66084 states and 95380 transitions. Second operand has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 4 states have internal predecessors, (293), 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) [2021-11-07 14:33:34,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:33:43,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:33:43,957 INFO L93 Difference]: Finished difference Result 135153 states and 196321 transitions. [2021-11-07 14:33:43,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 14:33:43,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 4 states have internal predecessors, (293), 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 302 [2021-11-07 14:33:43,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:33:44,303 INFO L225 Difference]: With dead ends: 135153 [2021-11-07 14:33:44,303 INFO L226 Difference]: Without dead ends: 69225 [2021-11-07 14:33:44,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 154.09ms TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-07 14:33:44,416 INFO L933 BasicCegarLoop]: 9230 mSDtfsCounter, 931 mSDsluCounter, 34546 mSDsCounter, 0 mSdLazyCounter, 3202 mSolverCounterSat, 73 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8337.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 43776 SdHoareTripleChecker+Invalid, 3276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 64.39ms SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 3202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9159.62ms IncrementalHoareTripleChecker+Time [2021-11-07 14:33:44,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 43776 Invalid, 3276 Unknown, 0 Unchecked, 64.39ms Time], IncrementalHoareTripleChecker [73 Valid, 3202 Invalid, 1 Unknown, 0 Unchecked, 9159.62ms Time] [2021-11-07 14:33:44,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69225 states. [2021-11-07 14:33:45,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69225 to 66156. [2021-11-07 14:33:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66156 states, 65189 states have (on average 1.4415622267560477) internal successors, (93974), 65273 states have internal predecessors, (93974), 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) [2021-11-07 14:33:45,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66156 states to 66156 states and 95494 transitions. [2021-11-07 14:33:45,993 INFO L78 Accepts]: Start accepts. Automaton has 66156 states and 95494 transitions. Word has length 302 [2021-11-07 14:33:45,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:33:45,993 INFO L470 AbstractCegarLoop]: Abstraction has 66156 states and 95494 transitions. [2021-11-07 14:33:45,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 4 states have internal predecessors, (293), 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) [2021-11-07 14:33:45,993 INFO L276 IsEmpty]: Start isEmpty. Operand 66156 states and 95494 transitions. [2021-11-07 14:33:46,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-07 14:33:46,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:33:46,016 INFO L514 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] [2021-11-07 14:33:46,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 14:33:46,017 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] === [2021-11-07 14:33:46,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:33:46,017 INFO L85 PathProgramCache]: Analyzing trace with hash 14042432, now seen corresponding path program 1 times [2021-11-07 14:33:46,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:33:46,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869379679] [2021-11-07 14:33:46,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:33:46,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:33:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:33:46,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:33:46,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:33:46,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869379679] [2021-11-07 14:33:46,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869379679] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:33:46,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:33:46,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 14:33:46,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108474084] [2021-11-07 14:33:46,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:33:46,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 14:33:46,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:33:46,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 14:33:46,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 14:33:46,713 INFO L87 Difference]: Start difference. First operand 66156 states and 95494 transitions. Second operand has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 2 states have call successors, (7), 2 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:33:48,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:33:48,838 INFO L93 Difference]: Finished difference Result 144900 states and 208925 transitions. [2021-11-07 14:33:48,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 14:33:48,838 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 2 states have call successors, (7), 2 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 304 [2021-11-07 14:33:48,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:33:49,082 INFO L225 Difference]: With dead ends: 144900 [2021-11-07 14:33:49,083 INFO L226 Difference]: Without dead ends: 78900 [2021-11-07 14:33:49,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 91.14ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-07 14:33:49,223 INFO L933 BasicCegarLoop]: 10198 mSDtfsCounter, 3897 mSDsluCounter, 48420 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 184.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3898 SdHoareTripleChecker+Valid, 58618 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.47ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 225.39ms IncrementalHoareTripleChecker+Time [2021-11-07 14:33:49,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3898 Valid, 58618 Invalid, 172 Unknown, 0 Unchecked, 30.47ms Time], IncrementalHoareTripleChecker [21 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 225.39ms Time] [2021-11-07 14:33:49,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78900 states. [2021-11-07 14:33:50,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78900 to 66228. [2021-11-07 14:33:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66228 states, 65255 states have (on average 1.4411156233238833) internal successors, (94040), 65345 states have internal predecessors, (94040), 518 states have call successors, (518), 324 states have call predecessors, (518), 452 states have return successors, (1008), 582 states have call predecessors, (1008), 518 states have call successors, (1008) [2021-11-07 14:33:51,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66228 states to 66228 states and 95566 transitions. [2021-11-07 14:33:51,053 INFO L78 Accepts]: Start accepts. Automaton has 66228 states and 95566 transitions. Word has length 304 [2021-11-07 14:33:51,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:33:51,054 INFO L470 AbstractCegarLoop]: Abstraction has 66228 states and 95566 transitions. [2021-11-07 14:33:51,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 42.285714285714285) internal successors, (296), 7 states have internal predecessors, (296), 2 states have call successors, (7), 2 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:33:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 66228 states and 95566 transitions. [2021-11-07 14:33:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-07 14:33:51,077 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:33:51,077 INFO L514 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] [2021-11-07 14:33:51,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 14:33:51,077 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] === [2021-11-07 14:33:51,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:33:51,078 INFO L85 PathProgramCache]: Analyzing trace with hash 856383908, now seen corresponding path program 1 times [2021-11-07 14:33:51,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:33:51,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935758417] [2021-11-07 14:33:51,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:33:51,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:33:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:33:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 14:33:51,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:33:51,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935758417] [2021-11-07 14:33:51,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935758417] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:33:51,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:33:51,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 14:33:51,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103418267] [2021-11-07 14:33:51,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:33:51,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 14:33:51,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:33:51,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 14:33:51,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 14:33:51,597 INFO L87 Difference]: Start difference. First operand 66228 states and 95566 transitions. Second operand has 5 states, 5 states have (on average 59.6) internal successors, (298), 5 states have internal predecessors, (298), 2 states have call successors, (7), 2 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:33:53,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:33:53,271 INFO L93 Difference]: Finished difference Result 132408 states and 191951 transitions. [2021-11-07 14:33:53,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 14:33:53,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.6) internal successors, (298), 5 states have internal predecessors, (298), 2 states have call successors, (7), 2 states have call predecessors, (7), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 306 [2021-11-07 14:33:53,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:33:53,480 INFO L225 Difference]: With dead ends: 132408 [2021-11-07 14:33:53,481 INFO L226 Difference]: Without dead ends: 66336 [2021-11-07 14:33:53,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.80ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 14:33:53,614 INFO L933 BasicCegarLoop]: 9435 mSDtfsCounter, 18 mSDsluCounter, 28280 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 37715 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.34ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.33ms IncrementalHoareTripleChecker+Time [2021-11-07 14:33:53,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 37715 Invalid, 15 Unknown, 0 Unchecked, 18.34ms Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 20.33ms Time] [2021-11-07 14:33:53,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66336 states.