./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dbf26404e70c3394fd0367244976693545d30c1a748b5c7360fa4057d4decd8b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:25:59,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:25:59,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:25:59,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:25:59,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:25:59,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:25:59,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:25:59,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:25:59,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:25:59,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:25:59,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:25:59,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:25:59,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:25:59,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:25:59,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:25:59,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:25:59,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:25:59,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:25:59,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:25:59,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:25:59,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:25:59,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:25:59,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:25:59,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:25:59,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:25:59,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:25:59,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:25:59,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:25:59,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:25:59,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:25:59,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:25:59,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:25:59,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:25:59,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:25:59,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:25:59,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:25:59,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:25:59,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:25:59,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:25:59,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:25:59,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:25:59,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 22:25:59,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:25:59,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:25:59,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:25:59,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:25:59,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:25:59,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:25:59,719 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:25:59,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:25:59,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:25:59,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:25:59,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:25:59,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:25:59,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:25:59,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:25:59,722 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:25:59,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:25:59,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:25:59,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:25:59,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:25:59,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:25:59,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:25:59,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:25:59,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:25:59,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:25:59,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:25:59,725 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:25:59,725 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:25:59,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:25:59,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:25:59,726 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf26404e70c3394fd0367244976693545d30c1a748b5c7360fa4057d4decd8b [2021-11-02 22:26:00,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:26:00,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:26:00,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:26:00,118 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:26:00,119 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:26:00,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/../../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 [2021-11-02 22:26:00,193 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/data/b6c3ce627/9a86bd45e7ed4c72b4f671b8d73a4918/FLAGab908db43 [2021-11-02 22:26:01,240 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:26:01,240 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/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 [2021-11-02 22:26:01,337 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/data/b6c3ce627/9a86bd45e7ed4c72b4f671b8d73a4918/FLAGab908db43 [2021-11-02 22:26:01,581 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/data/b6c3ce627/9a86bd45e7ed4c72b4f671b8d73a4918 [2021-11-02 22:26:01,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:26:01,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:26:01,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:26:01,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:26:01,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:26:01,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:26:01" (1/1) ... [2021-11-02 22:26:01,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2d79ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:01, skipping insertion in model container [2021-11-02 22:26:01,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:26:01" (1/1) ... [2021-11-02 22:26:01,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:26:01,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:26:05,614 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/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] [2021-11-02 22:26:05,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:26:05,794 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:26:06,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/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] [2021-11-02 22:26:06,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:26:07,168 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:26:07,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07 WrapperNode [2021-11-02 22:26:07,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:26:07,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:26:07,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:26:07,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:26:07,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07" (1/1) ... [2021-11-02 22:26:07,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07" (1/1) ... [2021-11-02 22:26:08,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:26:08,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:26:08,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:26:08,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:26:08,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07" (1/1) ... [2021-11-02 22:26:08,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07" (1/1) ... [2021-11-02 22:26:08,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07" (1/1) ... [2021-11-02 22:26:08,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07" (1/1) ... [2021-11-02 22:26:10,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07" (1/1) ... [2021-11-02 22:26:10,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07" (1/1) ... [2021-11-02 22:26:10,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07" (1/1) ... [2021-11-02 22:26:10,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:26:10,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:26:10,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:26:10,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:26:10,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07" (1/1) ... [2021-11-02 22:26:10,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:26:10,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:26:10,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:26:10,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:26:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-02 22:26:10,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-02 22:26:10,861 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-02 22:26:10,862 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-02 22:26:10,862 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-02 22:26:10,863 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-02 22:26:10,863 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-02 22:26:10,863 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-02 22:26:10,863 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-02 22:26:10,863 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-02 22:26:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:26:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-02 22:26:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-02 22:26:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 22:26:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 22:26:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:26:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-02 22:26:10,865 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-02 22:26:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-02 22:26:10,865 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-02 22:26:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:26:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:26:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-02 22:26:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 22:26:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 22:26:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-02 22:26:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-02 22:26:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-02 22:26:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-02 22:26:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-02 22:26:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-02 22:26:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:26:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:26:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-02 22:26:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-02 22:26:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-02 22:26:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-02 22:26:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-02 22:26:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 22:26:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 22:26:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-02 22:26:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-02 22:26:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-02 22:26:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-02 22:26:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-02 22:26:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:26:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:26:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-02 22:26:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-02 22:26:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 22:26:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-02 22:26:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-02 22:26:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:26:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-02 22:26:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-02 22:26:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-02 22:26:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-02 22:26:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-02 22:26:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-02 22:26:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-02 22:26:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-02 22:26:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 22:26:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-02 22:26:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-02 22:26:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-02 22:26:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:26:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-02 22:26:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-02 22:26:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-02 22:26:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-02 22:26:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-02 22:26:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-02 22:26:40,362 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:26:40,363 INFO L299 CfgBuilder]: Removed 5858 assume(true) statements. [2021-11-02 22:26:40,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:26:40 BoogieIcfgContainer [2021-11-02 22:26:40,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:26:40,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:26:40,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:26:40,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:26:40,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:26:01" (1/3) ... [2021-11-02 22:26:40,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a46f386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:26:40, skipping insertion in model container [2021-11-02 22:26:40,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:26:07" (2/3) ... [2021-11-02 22:26:40,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a46f386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:26:40, skipping insertion in model container [2021-11-02 22:26:40,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:26:40" (3/3) ... [2021-11-02 22:26:40,384 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2021-11-02 22:26:40,390 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:26:40,391 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-02 22:26:40,493 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:26:40,501 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 [2021-11-02 22:26:40,501 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-02 22:26:40,675 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) [2021-11-02 22:26:40,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-02 22:26:40,707 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:26:40,708 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:26:40,709 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:26:40,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:26:40,715 INFO L85 PathProgramCache]: Analyzing trace with hash 553429760, now seen corresponding path program 1 times [2021-11-02 22:26:40,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:26:40,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083422463] [2021-11-02 22:26:40,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:26:40,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:26:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:26:41,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:26:41,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:26:41,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083422463] [2021-11-02 22:26:41,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083422463] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:26:41,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:26:41,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:26:41,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469630528] [2021-11-02 22:26:41,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:26:41,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:26:41,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:26:41,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:26:41,800 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) [2021-11-02 22:26:42,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:26:42,131 INFO L93 Difference]: Finished difference Result 13142 states and 19370 transitions. [2021-11-02 22:26:42,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:26:42,133 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 [2021-11-02 22:26:42,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:26:42,200 INFO L225 Difference]: With dead ends: 13142 [2021-11-02 22:26:42,201 INFO L226 Difference]: Without dead ends: 6554 [2021-11-02 22:26:42,235 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:26:42,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6554 states. [2021-11-02 22:26:42,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6554 to 6554. [2021-11-02 22:26:42,712 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) [2021-11-02 22:26:42,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6554 states to 6554 states and 9540 transitions. [2021-11-02 22:26:42,761 INFO L78 Accepts]: Start accepts. Automaton has 6554 states and 9540 transitions. Word has length 171 [2021-11-02 22:26:42,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:26:42,763 INFO L470 AbstractCegarLoop]: Abstraction has 6554 states and 9540 transitions. [2021-11-02 22:26:42,763 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) [2021-11-02 22:26:42,764 INFO L276 IsEmpty]: Start isEmpty. Operand 6554 states and 9540 transitions. [2021-11-02 22:26:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-02 22:26:42,782 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:26:42,783 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:26:42,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:26:42,783 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:26:42,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:26:42,787 INFO L85 PathProgramCache]: Analyzing trace with hash 2110300698, now seen corresponding path program 1 times [2021-11-02 22:26:42,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:26:42,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71240721] [2021-11-02 22:26:42,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:26:42,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:26:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:26:43,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:26:43,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:26:43,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71240721] [2021-11-02 22:26:43,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71240721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:26:43,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:26:43,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:26:43,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862640029] [2021-11-02 22:26:43,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:26:43,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:26:43,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:26:43,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:43,375 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) [2021-11-02 22:26:43,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:26:43,826 INFO L93 Difference]: Finished difference Result 13020 states and 18995 transitions. [2021-11-02 22:26:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:26:43,827 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 [2021-11-02 22:26:43,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:26:43,876 INFO L225 Difference]: With dead ends: 13020 [2021-11-02 22:26:43,876 INFO L226 Difference]: Without dead ends: 6558 [2021-11-02 22:26:43,899 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:43,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6558 states. [2021-11-02 22:26:44,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6558 to 6558. [2021-11-02 22:26:44,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6558 states, 6481 states have (on average 1.458108316617806) internal successors, (9450), 6486 states have internal predecessors, (9450), 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) [2021-11-02 22:26:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6558 states to 6558 states and 9544 transitions. [2021-11-02 22:26:44,164 INFO L78 Accepts]: Start accepts. Automaton has 6558 states and 9544 transitions. Word has length 171 [2021-11-02 22:26:44,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:26:44,165 INFO L470 AbstractCegarLoop]: Abstraction has 6558 states and 9544 transitions. [2021-11-02 22:26:44,166 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) [2021-11-02 22:26:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 6558 states and 9544 transitions. [2021-11-02 22:26:44,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-02 22:26:44,171 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:26:44,171 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:26:44,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:26:44,172 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:26:44,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:26:44,172 INFO L85 PathProgramCache]: Analyzing trace with hash -330120100, now seen corresponding path program 1 times [2021-11-02 22:26:44,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:26:44,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81975403] [2021-11-02 22:26:44,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:26:44,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:26:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:26:44,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-02 22:26:44,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:26:44,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81975403] [2021-11-02 22:26:44,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81975403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:26:44,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:26:44,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:26:44,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555638813] [2021-11-02 22:26:44,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:26:44,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:26:44,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:26:44,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:44,632 INFO L87 Difference]: Start difference. First operand 6558 states and 9544 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2021-11-02 22:26:45,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:26:45,170 INFO L93 Difference]: Finished difference Result 13029 states and 19008 transitions. [2021-11-02 22:26:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:26:45,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 175 [2021-11-02 22:26:45,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:26:45,229 INFO L225 Difference]: With dead ends: 13029 [2021-11-02 22:26:45,229 INFO L226 Difference]: Without dead ends: 6567 [2021-11-02 22:26:45,247 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:45,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6567 states. [2021-11-02 22:26:45,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6567 to 6567. [2021-11-02 22:26:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6567 states, 6490 states have (on average 1.4574730354391372) internal successors, (9459), 6495 states have internal predecessors, (9459), 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) [2021-11-02 22:26:45,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6567 states to 6567 states and 9553 transitions. [2021-11-02 22:26:45,444 INFO L78 Accepts]: Start accepts. Automaton has 6567 states and 9553 transitions. Word has length 175 [2021-11-02 22:26:45,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:26:45,445 INFO L470 AbstractCegarLoop]: Abstraction has 6567 states and 9553 transitions. [2021-11-02 22:26:45,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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) [2021-11-02 22:26:45,446 INFO L276 IsEmpty]: Start isEmpty. Operand 6567 states and 9553 transitions. [2021-11-02 22:26:45,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-02 22:26:45,450 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:26:45,450 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:26:45,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:26:45,451 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:26:45,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:26:45,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1883165720, now seen corresponding path program 1 times [2021-11-02 22:26:45,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:26:45,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908604840] [2021-11-02 22:26:45,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:26:45,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:26:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:26:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-02 22:26:45,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:26:45,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908604840] [2021-11-02 22:26:45,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908604840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:26:45,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:26:45,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:26:45,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272341848] [2021-11-02 22:26:45,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:26:45,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:26:45,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:26:45,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:45,827 INFO L87 Difference]: Start difference. First operand 6567 states and 9553 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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) [2021-11-02 22:26:46,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:26:46,172 INFO L93 Difference]: Finished difference Result 13041 states and 19017 transitions. [2021-11-02 22:26:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:26:46,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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 184 [2021-11-02 22:26:46,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:26:46,218 INFO L225 Difference]: With dead ends: 13041 [2021-11-02 22:26:46,218 INFO L226 Difference]: Without dead ends: 6574 [2021-11-02 22:26:46,238 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:46,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6574 states. [2021-11-02 22:26:46,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6574 to 6574. [2021-11-02 22:26:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6574 states, 6497 states have (on average 1.456980144682161) internal successors, (9466), 6502 states have internal predecessors, (9466), 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) [2021-11-02 22:26:46,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6574 states to 6574 states and 9560 transitions. [2021-11-02 22:26:46,514 INFO L78 Accepts]: Start accepts. Automaton has 6574 states and 9560 transitions. Word has length 184 [2021-11-02 22:26:46,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:26:46,515 INFO L470 AbstractCegarLoop]: Abstraction has 6574 states and 9560 transitions. [2021-11-02 22:26:46,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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) [2021-11-02 22:26:46,516 INFO L276 IsEmpty]: Start isEmpty. Operand 6574 states and 9560 transitions. [2021-11-02 22:26:46,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-02 22:26:46,519 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:26:46,519 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:26:46,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 22:26:46,521 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:26:46,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:26:46,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1051796122, now seen corresponding path program 1 times [2021-11-02 22:26:46,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:26:46,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066550004] [2021-11-02 22:26:46,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:26:46,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:26:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:26:46,964 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-02 22:26:46,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:26:46,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066550004] [2021-11-02 22:26:46,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066550004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:26:46,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:26:46,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:26:46,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985231107] [2021-11-02 22:26:46,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:26:46,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:26:46,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:26:46,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:46,967 INFO L87 Difference]: Start difference. First operand 6574 states and 9560 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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) [2021-11-02 22:26:47,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:26:47,263 INFO L93 Difference]: Finished difference Result 13017 states and 18979 transitions. [2021-11-02 22:26:47,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:26:47,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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 191 [2021-11-02 22:26:47,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:26:47,291 INFO L225 Difference]: With dead ends: 13017 [2021-11-02 22:26:47,291 INFO L226 Difference]: Without dead ends: 6575 [2021-11-02 22:26:47,310 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:47,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6575 states. [2021-11-02 22:26:47,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6575 to 6575. [2021-11-02 22:26:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6575 states, 6498 states have (on average 1.4569098184056632) internal successors, (9467), 6503 states have internal predecessors, (9467), 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) [2021-11-02 22:26:47,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6575 states to 6575 states and 9561 transitions. [2021-11-02 22:26:47,488 INFO L78 Accepts]: Start accepts. Automaton has 6575 states and 9561 transitions. Word has length 191 [2021-11-02 22:26:47,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:26:47,489 INFO L470 AbstractCegarLoop]: Abstraction has 6575 states and 9561 transitions. [2021-11-02 22:26:47,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 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) [2021-11-02 22:26:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 6575 states and 9561 transitions. [2021-11-02 22:26:47,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-02 22:26:47,493 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:26:47,493 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:26:47,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:26:47,493 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:26:47,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:26:47,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1206810046, now seen corresponding path program 1 times [2021-11-02 22:26:47,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:26:47,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094003451] [2021-11-02 22:26:47,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:26:47,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:26:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:26:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-02 22:26:47,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:26:47,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094003451] [2021-11-02 22:26:47,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094003451] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:26:47,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:26:47,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:26:47,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041253849] [2021-11-02 22:26:47,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:26:47,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:26:47,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:26:47,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:47,925 INFO L87 Difference]: Start difference. First operand 6575 states and 9561 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2021-11-02 22:26:50,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:26:50,484 INFO L93 Difference]: Finished difference Result 19328 states and 28241 transitions. [2021-11-02 22:26:50,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:26:50,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 192 [2021-11-02 22:26:50,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:26:50,537 INFO L225 Difference]: With dead ends: 19328 [2021-11-02 22:26:50,537 INFO L226 Difference]: Without dead ends: 12930 [2021-11-02 22:26:50,561 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:50,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12930 states. [2021-11-02 22:26:50,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12930 to 12926. [2021-11-02 22:26:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12926 states, 12775 states have (on average 1.4626223091976516) internal successors, (18685), 12783 states have internal predecessors, (18685), 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) [2021-11-02 22:26:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12926 states to 12926 states and 18873 transitions. [2021-11-02 22:26:50,914 INFO L78 Accepts]: Start accepts. Automaton has 12926 states and 18873 transitions. Word has length 192 [2021-11-02 22:26:50,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:26:50,915 INFO L470 AbstractCegarLoop]: Abstraction has 12926 states and 18873 transitions. [2021-11-02 22:26:50,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2021-11-02 22:26:50,915 INFO L276 IsEmpty]: Start isEmpty. Operand 12926 states and 18873 transitions. [2021-11-02 22:26:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-02 22:26:50,919 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:26:50,919 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:26:50,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 22:26:50,920 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:26:50,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:26:50,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1684152529, now seen corresponding path program 1 times [2021-11-02 22:26:50,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:26:50,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984429131] [2021-11-02 22:26:50,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:26:50,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:26:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:26:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-02 22:26:51,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:26:51,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984429131] [2021-11-02 22:26:51,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984429131] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:26:51,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:26:51,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:26:51,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196842874] [2021-11-02 22:26:51,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:26:51,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:26:51,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:26:51,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:51,665 INFO L87 Difference]: Start difference. First operand 12926 states and 18873 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 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) [2021-11-02 22:26:52,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:26:52,309 INFO L93 Difference]: Finished difference Result 38418 states and 56406 transitions. [2021-11-02 22:26:52,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:26:52,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 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 195 [2021-11-02 22:26:52,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:26:52,428 INFO L225 Difference]: With dead ends: 38418 [2021-11-02 22:26:52,429 INFO L226 Difference]: Without dead ends: 25663 [2021-11-02 22:26:52,467 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:52,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25663 states. [2021-11-02 22:26:53,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25663 to 25657. [2021-11-02 22:26:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25657 states, 25358 states have (on average 1.4650603359886427) internal successors, (37151), 25372 states have internal predecessors, (37151), 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) [2021-11-02 22:26:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25657 states to 25657 states and 37621 transitions. [2021-11-02 22:26:53,239 INFO L78 Accepts]: Start accepts. Automaton has 25657 states and 37621 transitions. Word has length 195 [2021-11-02 22:26:53,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:26:53,239 INFO L470 AbstractCegarLoop]: Abstraction has 25657 states and 37621 transitions. [2021-11-02 22:26:53,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 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) [2021-11-02 22:26:53,240 INFO L276 IsEmpty]: Start isEmpty. Operand 25657 states and 37621 transitions. [2021-11-02 22:26:53,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-02 22:26:53,249 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:26:53,250 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:26:53,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 22:26:53,250 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] === [2021-11-02 22:26:53,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:26:53,251 INFO L85 PathProgramCache]: Analyzing trace with hash -157008249, now seen corresponding path program 1 times [2021-11-02 22:26:53,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:26:53,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528123427] [2021-11-02 22:26:53,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:26:53,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:26:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:26:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-02 22:26:53,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:26:53,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528123427] [2021-11-02 22:26:53,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528123427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:26:53,642 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:26:53,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:26:53,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174320426] [2021-11-02 22:26:53,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:26:53,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:26:53,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:26:53,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:53,644 INFO L87 Difference]: Start difference. First operand 25657 states and 37621 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2021-11-02 22:26:55,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:26:55,190 INFO L93 Difference]: Finished difference Result 70433 states and 102747 transitions. [2021-11-02 22:26:55,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:26:55,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 224 [2021-11-02 22:26:55,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:26:55,421 INFO L225 Difference]: With dead ends: 70433 [2021-11-02 22:26:55,422 INFO L226 Difference]: Without dead ends: 44953 [2021-11-02 22:26:55,501 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:55,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44953 states. [2021-11-02 22:26:56,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44953 to 44903. [2021-11-02 22:26:56,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44903 states, 44340 states have (on average 1.4527063599458727) internal successors, (64413), 44366 states have internal predecessors, (64413), 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) [2021-11-02 22:26:56,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44903 states to 44903 states and 65273 transitions. [2021-11-02 22:26:56,942 INFO L78 Accepts]: Start accepts. Automaton has 44903 states and 65273 transitions. Word has length 224 [2021-11-02 22:26:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:26:56,943 INFO L470 AbstractCegarLoop]: Abstraction has 44903 states and 65273 transitions. [2021-11-02 22:26:56,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2021-11-02 22:26:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 44903 states and 65273 transitions. [2021-11-02 22:26:56,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-02 22:26:56,967 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:26:56,967 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:26:56,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-02 22:26:56,968 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] === [2021-11-02 22:26:56,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:26:56,969 INFO L85 PathProgramCache]: Analyzing trace with hash 285489391, now seen corresponding path program 1 times [2021-11-02 22:26:56,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:26:56,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891607659] [2021-11-02 22:26:56,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:26:56,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:26:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:26:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-02 22:26:57,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:26:57,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891607659] [2021-11-02 22:26:57,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891607659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:26:57,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:26:57,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:26:57,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189808416] [2021-11-02 22:26:57,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:26:57,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:26:57,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:26:57,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:26:57,448 INFO L87 Difference]: Start difference. First operand 44903 states and 65273 transitions. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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) [2021-11-02 22:27:02,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:27:02,157 INFO L93 Difference]: Finished difference Result 109321 states and 158835 transitions. [2021-11-02 22:27:02,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:27:02,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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 263 [2021-11-02 22:27:02,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:27:02,451 INFO L225 Difference]: With dead ends: 109321 [2021-11-02 22:27:02,451 INFO L226 Difference]: Without dead ends: 64595 [2021-11-02 22:27:02,560 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:27:02,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64595 states. [2021-11-02 22:27:04,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64595 to 64545. [2021-11-02 22:27:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64545 states, 63718 states have (on average 1.446671270284692) internal successors, (92179), 63756 states have internal predecessors, (92179), 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) [2021-11-02 22:27:05,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64545 states to 64545 states and 93429 transitions. [2021-11-02 22:27:05,420 INFO L78 Accepts]: Start accepts. Automaton has 64545 states and 93429 transitions. Word has length 263 [2021-11-02 22:27:05,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:27:05,421 INFO L470 AbstractCegarLoop]: Abstraction has 64545 states and 93429 transitions. [2021-11-02 22:27:05,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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) [2021-11-02 22:27:05,422 INFO L276 IsEmpty]: Start isEmpty. Operand 64545 states and 93429 transitions. [2021-11-02 22:27:05,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-02 22:27:05,464 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:27:05,464 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:27:05,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-02 22:27:05,465 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] === [2021-11-02 22:27:05,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:27:05,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1187708016, now seen corresponding path program 1 times [2021-11-02 22:27:05,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:27:05,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36550099] [2021-11-02 22:27:05,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:27:05,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:27:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:27:05,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-02 22:27:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:27:06,022 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-02 22:27:06,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:27:06,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36550099] [2021-11-02 22:27:06,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36550099] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:27:06,023 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:27:06,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:27:06,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846908622] [2021-11-02 22:27:06,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:27:06,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:27:06,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:27:06,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:27:06,025 INFO L87 Difference]: Start difference. First operand 64545 states and 93429 transitions. Second operand has 4 states, 4 states have (on average 68.75) internal successors, (275), 3 states have internal predecessors, (275), 1 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) [2021-11-02 22:27:19,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:27:19,576 INFO L93 Difference]: Finished difference Result 133722 states and 194900 transitions. [2021-11-02 22:27:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:27:19,592 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), 1 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 294 [2021-11-02 22:27:19,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:27:19,905 INFO L225 Difference]: With dead ends: 133722 [2021-11-02 22:27:19,905 INFO L226 Difference]: Without dead ends: 69354 [2021-11-02 22:27:20,430 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:27:20,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69354 states. [2021-11-02 22:27:22,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69354 to 66441. [2021-11-02 22:27:22,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66441 states, 65500 states have (on average 1.449175572519084) internal successors, (94921), 65580 states have internal predecessors, (94921), 518 states have call successors, (518), 324 states have call predecessors, (518), 420 states have return successors, (930), 560 states have call predecessors, (930), 518 states have call successors, (930) [2021-11-02 22:27:23,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66441 states to 66441 states and 96369 transitions. [2021-11-02 22:27:23,282 INFO L78 Accepts]: Start accepts. Automaton has 66441 states and 96369 transitions. Word has length 294 [2021-11-02 22:27:23,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:27:23,282 INFO L470 AbstractCegarLoop]: Abstraction has 66441 states and 96369 transitions. [2021-11-02 22:27:23,283 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), 1 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) [2021-11-02 22:27:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 66441 states and 96369 transitions. [2021-11-02 22:27:23,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-02 22:27:23,324 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:27:23,324 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:27:23,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-02 22:27:23,325 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] === [2021-11-02 22:27:23,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:27:23,325 INFO L85 PathProgramCache]: Analyzing trace with hash 125386845, now seen corresponding path program 1 times [2021-11-02 22:27:23,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:27:23,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382084009] [2021-11-02 22:27:23,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:27:23,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:27:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:27:24,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-02 22:27:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:27:24,114 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-02 22:27:24,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:27:24,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382084009] [2021-11-02 22:27:24,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382084009] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:27:24,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977815303] [2021-11-02 22:27:24,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:27:24,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:27:24,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:27:24,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:27:24,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-02 22:27:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:27:26,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 5515 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:27:26,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:27:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-02 22:27:27,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977815303] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:27:27,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:27:27,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-11-02 22:27:27,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650199055] [2021-11-02 22:27:27,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 22:27:27,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:27:27,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:27:27,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:27:27,316 INFO L87 Difference]: Start difference. First operand 66441 states and 96369 transitions. Second operand has 7 states, 7 states have (on average 41.42857142857143) internal successors, (290), 6 states have internal predecessors, (290), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-02 22:27:42,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:27:42,327 INFO L93 Difference]: Finished difference Result 135706 states and 197076 transitions. [2021-11-02 22:27:42,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:27:42,328 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 41.42857142857143) internal successors, (290), 6 states have internal predecessors, (290), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 295 [2021-11-02 22:27:42,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:27:42,591 INFO L225 Difference]: With dead ends: 135706 [2021-11-02 22:27:42,591 INFO L226 Difference]: Without dead ends: 69358 [2021-11-02 22:27:42,737 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:27:42,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69358 states. [2021-11-02 22:27:44,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69358 to 66445. [2021-11-02 22:27:44,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66445 states, 65504 states have (on average 1.4491481436248168) internal successors, (94925), 65584 states have internal predecessors, (94925), 518 states have call successors, (518), 324 states have call predecessors, (518), 420 states have return successors, (930), 560 states have call predecessors, (930), 518 states have call successors, (930) [2021-11-02 22:27:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66445 states to 66445 states and 96373 transitions. [2021-11-02 22:27:45,314 INFO L78 Accepts]: Start accepts. Automaton has 66445 states and 96373 transitions. Word has length 295 [2021-11-02 22:27:45,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:27:45,314 INFO L470 AbstractCegarLoop]: Abstraction has 66445 states and 96373 transitions. [2021-11-02 22:27:45,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 41.42857142857143) internal successors, (290), 6 states have internal predecessors, (290), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-02 22:27:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 66445 states and 96373 transitions. [2021-11-02 22:27:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-02 22:27:45,366 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:27:45,366 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:27:45,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:27:45,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-02 22:27:45,580 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] === [2021-11-02 22:27:45,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:27:45,581 INFO L85 PathProgramCache]: Analyzing trace with hash 463816367, now seen corresponding path program 2 times [2021-11-02 22:27:45,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:27:45,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806097681] [2021-11-02 22:27:45,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:27:45,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:27:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:27:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-02 22:27:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:27:46,280 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-02 22:27:46,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:27:46,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806097681] [2021-11-02 22:27:46,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806097681] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:27:46,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044211447] [2021-11-02 22:27:46,281 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 22:27:46,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:27:46,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:27:46,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:27:46,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-02 22:28:55,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-02 22:28:55,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:28:55,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 5539 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 22:28:55,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:28:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-02 22:28:56,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044211447] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:28:56,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:28:56,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2021-11-02 22:28:56,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233449663] [2021-11-02 22:28:56,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-02 22:28:56,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:28:56,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 22:28:56,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:28:56,243 INFO L87 Difference]: Start difference. First operand 66445 states and 96373 transitions. Second operand has 8 states, 8 states have (on average 40.875) internal successors, (327), 7 states have internal predecessors, (327), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-02 22:29:09,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:29:09,538 INFO L93 Difference]: Finished difference Result 135729 states and 197115 transitions. [2021-11-02 22:29:09,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:29:09,539 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 40.875) internal successors, (327), 7 states have internal predecessors, (327), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 299 [2021-11-02 22:29:09,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:29:09,982 INFO L225 Difference]: With dead ends: 135729 [2021-11-02 22:29:09,983 INFO L226 Difference]: Without dead ends: 69378 [2021-11-02 22:29:10,093 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:29:10,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69378 states. [2021-11-02 22:29:11,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69378 to 66465. [2021-11-02 22:29:11,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66465 states, 65524 states have (on average 1.4490110493864843) internal successors, (94945), 65604 states have internal predecessors, (94945), 518 states have call successors, (518), 324 states have call predecessors, (518), 420 states have return successors, (930), 560 states have call predecessors, (930), 518 states have call successors, (930) [2021-11-02 22:29:11,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66465 states to 66465 states and 96393 transitions. [2021-11-02 22:29:11,925 INFO L78 Accepts]: Start accepts. Automaton has 66465 states and 96393 transitions. Word has length 299 [2021-11-02 22:29:11,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:29:11,926 INFO L470 AbstractCegarLoop]: Abstraction has 66465 states and 96393 transitions. [2021-11-02 22:29:11,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 40.875) internal successors, (327), 7 states have internal predecessors, (327), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-02 22:29:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 66465 states and 96393 transitions. [2021-11-02 22:29:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-02 22:29:11,956 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:29:11,957 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:29:12,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:29:12,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-02 22:29:12,172 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] === [2021-11-02 22:29:12,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:29:12,173 INFO L85 PathProgramCache]: Analyzing trace with hash 665284015, now seen corresponding path program 3 times [2021-11-02 22:29:12,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:29:12,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612253691] [2021-11-02 22:29:12,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:29:12,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:29:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:29:12,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-02 22:29:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:29:12,835 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-11-02 22:29:12,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:29:12,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612253691] [2021-11-02 22:29:12,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612253691] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:29:12,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634973050] [2021-11-02 22:29:12,837 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-02 22:29:12,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:29:12,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:29:12,838 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:29:12,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-02 22:30:21,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-02 22:30:21,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 22:30:21,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 5313 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:30:21,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:30:22,635 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-02 22:30:22,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634973050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:30:22,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-02 22:30:22,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2021-11-02 22:30:22,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108926702] [2021-11-02 22:30:22,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:30:22,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:30:22,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:30:22,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-02 22:30:22,638 INFO L87 Difference]: Start difference. First operand 66465 states and 96393 transitions. Second operand has 5 states, 5 states have (on average 58.0) internal successors, (290), 4 states have internal predecessors, (290), 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) [2021-11-02 22:30:27,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:30:27,005 INFO L93 Difference]: Finished difference Result 154821 states and 224461 transitions. [2021-11-02 22:30:27,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:30:27,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 58.0) internal successors, (290), 4 states have internal predecessors, (290), 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 319 [2021-11-02 22:30:27,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:30:27,408 INFO L225 Difference]: With dead ends: 154821 [2021-11-02 22:30:27,408 INFO L226 Difference]: Without dead ends: 88557 [2021-11-02 22:30:27,503 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-02 22:30:27,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88557 states. [2021-11-02 22:30:29,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88557 to 66489. [2021-11-02 22:30:29,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66489 states, 65540 states have (on average 1.4489014342386328) internal successors, (94961), 65624 states have internal predecessors, (94961), 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) [2021-11-02 22:30:29,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66489 states to 66489 states and 96421 transitions. [2021-11-02 22:30:29,406 INFO L78 Accepts]: Start accepts. Automaton has 66489 states and 96421 transitions. Word has length 319 [2021-11-02 22:30:29,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:30:29,407 INFO L470 AbstractCegarLoop]: Abstraction has 66489 states and 96421 transitions. [2021-11-02 22:30:29,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.0) internal successors, (290), 4 states have internal predecessors, (290), 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) [2021-11-02 22:30:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 66489 states and 96421 transitions. [2021-11-02 22:30:29,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-02 22:30:29,429 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:30:29,429 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:30:29,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:29,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-02 22:30:29,644 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] === [2021-11-02 22:30:29,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:29,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1908227368, now seen corresponding path program 1 times [2021-11-02 22:30:29,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:29,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819893065] [2021-11-02 22:30:29,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:29,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:30,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-02 22:30:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-02 22:30:30,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:30:30,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819893065] [2021-11-02 22:30:30,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819893065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:30:30,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:30:30,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:30:30,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759904180] [2021-11-02 22:30:30,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:30:30,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:30:30,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:30:30,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:30:30,344 INFO L87 Difference]: Start difference. First operand 66489 states and 96421 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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) [2021-11-02 22:30:42,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:30:42,599 INFO L93 Difference]: Finished difference Result 135714 states and 197944 transitions. [2021-11-02 22:30:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 22:30:42,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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 326 [2021-11-02 22:30:42,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:30:42,988 INFO L225 Difference]: With dead ends: 135714 [2021-11-02 22:30:42,988 INFO L226 Difference]: Without dead ends: 69426 [2021-11-02 22:30:43,104 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:30:43,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69426 states. [2021-11-02 22:30:44,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69426 to 66501. [2021-11-02 22:30:44,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66501 states, 65552 states have (on average 1.4488192579936539) internal successors, (94973), 65636 states have internal predecessors, (94973), 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) [2021-11-02 22:30:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66501 states to 66501 states and 96433 transitions. [2021-11-02 22:30:45,156 INFO L78 Accepts]: Start accepts. Automaton has 66501 states and 96433 transitions. Word has length 326 [2021-11-02 22:30:45,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:30:45,158 INFO L470 AbstractCegarLoop]: Abstraction has 66501 states and 96433 transitions. [2021-11-02 22:30:45,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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) [2021-11-02 22:30:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 66501 states and 96433 transitions. [2021-11-02 22:30:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-02 22:30:45,194 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:30:45,194 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:30:45,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-02 22:30:45,195 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] === [2021-11-02 22:30:45,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:45,195 INFO L85 PathProgramCache]: Analyzing trace with hash -960737812, now seen corresponding path program 1 times [2021-11-02 22:30:45,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:45,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564209276] [2021-11-02 22:30:45,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:45,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-02 22:30:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-02 22:30:45,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:30:45,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564209276] [2021-11-02 22:30:45,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564209276] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:30:45,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168923392] [2021-11-02 22:30:45,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:45,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:30:45,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:45,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:30:45,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-02 22:30:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:48,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 5710 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 22:30:48,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:30:48,846 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-11-02 22:30:48,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168923392] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:30:48,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:30:48,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-11-02 22:30:48,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110382370] [2021-11-02 22:30:48,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-02 22:30:48,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:30:48,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-02 22:30:48,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-02 22:30:48,850 INFO L87 Difference]: Start difference. First operand 66501 states and 96433 transitions. Second operand has 9 states, 9 states have (on average 49.0) internal successors, (441), 8 states have internal predecessors, (441), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-02 22:31:02,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:02,767 INFO L93 Difference]: Finished difference Result 135860 states and 198114 transitions. [2021-11-02 22:31:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:31:02,768 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 49.0) internal successors, (441), 8 states have internal predecessors, (441), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 328 [2021-11-02 22:31:02,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:31:03,135 INFO L225 Difference]: With dead ends: 135860 [2021-11-02 22:31:03,136 INFO L226 Difference]: Without dead ends: 69454 [2021-11-02 22:31:03,247 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-02 22:31:03,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69454 states. [2021-11-02 22:31:05,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69454 to 66529. [2021-11-02 22:31:05,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66529 states, 65580 states have (on average 1.4486276303751144) internal successors, (95001), 65664 states have internal predecessors, (95001), 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) [2021-11-02 22:31:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66529 states to 66529 states and 96461 transitions. [2021-11-02 22:31:05,476 INFO L78 Accepts]: Start accepts. Automaton has 66529 states and 96461 transitions. Word has length 328 [2021-11-02 22:31:05,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:31:05,477 INFO L470 AbstractCegarLoop]: Abstraction has 66529 states and 96461 transitions. [2021-11-02 22:31:05,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 49.0) internal successors, (441), 8 states have internal predecessors, (441), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-02 22:31:05,477 INFO L276 IsEmpty]: Start isEmpty. Operand 66529 states and 96461 transitions. [2021-11-02 22:31:05,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-02 22:31:05,499 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:31:05,500 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:05,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-02 22:31:05,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-02 22:31:05,712 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] === [2021-11-02 22:31:05,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:05,713 INFO L85 PathProgramCache]: Analyzing trace with hash -191774674, now seen corresponding path program 2 times [2021-11-02 22:31:05,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:05,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117836597] [2021-11-02 22:31:05,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:05,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-02 22:31:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:06,600 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-02 22:31:06,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:06,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117836597] [2021-11-02 22:31:06,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117836597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:31:06,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:31:06,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:31:06,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296685672] [2021-11-02 22:31:06,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:31:06,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:06,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:31:06,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:31:06,603 INFO L87 Difference]: Start difference. First operand 66529 states and 96461 transitions. Second operand has 5 states, 5 states have (on average 59.8) internal successors, (299), 4 states have internal predecessors, (299), 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) [2021-11-02 22:31:20,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:20,359 INFO L93 Difference]: Finished difference Result 136510 states and 199040 transitions. [2021-11-02 22:31:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:31:20,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.8) internal successors, (299), 4 states have internal predecessors, (299), 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 334 [2021-11-02 22:31:20,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:31:20,573 INFO L225 Difference]: With dead ends: 136510 [2021-11-02 22:31:20,573 INFO L226 Difference]: Without dead ends: 70186 [2021-11-02 22:31:20,895 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:31:20,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70186 states. [2021-11-02 22:31:22,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70186 to 66553. [2021-11-02 22:31:22,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66553 states, 65604 states have (on average 1.4484635083226634) internal successors, (95025), 65688 states have internal predecessors, (95025), 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) [2021-11-02 22:31:22,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66553 states to 66553 states and 96485 transitions. [2021-11-02 22:31:22,830 INFO L78 Accepts]: Start accepts. Automaton has 66553 states and 96485 transitions. Word has length 334 [2021-11-02 22:31:22,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:31:22,831 INFO L470 AbstractCegarLoop]: Abstraction has 66553 states and 96485 transitions. [2021-11-02 22:31:22,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.8) internal successors, (299), 4 states have internal predecessors, (299), 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) [2021-11-02 22:31:22,831 INFO L276 IsEmpty]: Start isEmpty. Operand 66553 states and 96485 transitions. [2021-11-02 22:31:22,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-02 22:31:22,852 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:31:22,852 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:22,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-02 22:31:22,853 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] === [2021-11-02 22:31:22,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:22,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1206133639, now seen corresponding path program 1 times [2021-11-02 22:31:22,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:22,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430530160] [2021-11-02 22:31:22,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:22,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:23,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-02 22:31:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-02 22:31:23,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:23,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430530160] [2021-11-02 22:31:23,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430530160] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:31:23,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914065740] [2021-11-02 22:31:23,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:23,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:31:23,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:23,814 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:31:23,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-02 22:31:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:26,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 5788 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-02 22:31:26,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:31:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-11-02 22:31:27,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914065740] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:31:27,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-02 22:31:27,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-11-02 22:31:27,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303287769] [2021-11-02 22:31:27,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-02 22:31:27,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:31:27,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-02 22:31:27,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-11-02 22:31:27,114 INFO L87 Difference]: Start difference. First operand 66553 states and 96485 transitions. Second operand has 13 states, 13 states have (on average 24.923076923076923) internal successors, (324), 12 states have internal predecessors, (324), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-02 22:31:42,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:31:42,071 INFO L93 Difference]: Finished difference Result 135927 states and 197305 transitions. [2021-11-02 22:31:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:31:42,072 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 24.923076923076923) internal successors, (324), 12 states have internal predecessors, (324), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 339 [2021-11-02 22:31:42,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:31:42,281 INFO L225 Difference]: With dead ends: 135927 [2021-11-02 22:31:42,281 INFO L226 Difference]: Without dead ends: 69470 [2021-11-02 22:31:42,390 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-11-02 22:31:42,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69470 states. [2021-11-02 22:31:44,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69470 to 66557. [2021-11-02 22:31:44,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66557 states, 65608 states have (on average 1.4484361663211804) internal successors, (95029), 65692 states have internal predecessors, (95029), 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) [2021-11-02 22:31:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66557 states to 66557 states and 96489 transitions. [2021-11-02 22:31:44,599 INFO L78 Accepts]: Start accepts. Automaton has 66557 states and 96489 transitions. Word has length 339 [2021-11-02 22:31:44,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:31:44,600 INFO L470 AbstractCegarLoop]: Abstraction has 66557 states and 96489 transitions. [2021-11-02 22:31:44,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 24.923076923076923) internal successors, (324), 12 states have internal predecessors, (324), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-02 22:31:44,600 INFO L276 IsEmpty]: Start isEmpty. Operand 66557 states and 96489 transitions. [2021-11-02 22:31:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-02 22:31:44,623 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:31:44,623 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:31:44,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:31:44,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-02 22:31:44,844 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION === [__team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, team_change_modeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:31:44,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:31:44,845 INFO L85 PathProgramCache]: Analyzing trace with hash 605333751, now seen corresponding path program 2 times [2021-11-02 22:31:44,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:31:44,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216749981] [2021-11-02 22:31:44,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:31:44,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:31:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:45,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-02 22:31:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:31:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-02 22:31:45,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:31:45,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216749981] [2021-11-02 22:31:45,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216749981] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-02 22:31:45,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712660128] [2021-11-02 22:31:45,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 22:31:45,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 22:31:45,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:31:45,591 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 22:31:45,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e129b68-c62e-4ac7-89a5-31aa3a911e2f/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process