./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-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 19:00:22,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 19:00:22,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 19:00:22,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 19:00:22,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 19:00:22,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 19:00:22,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 19:00:22,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 19:00:22,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 19:00:22,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 19:00:22,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 19:00:22,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 19:00:22,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 19:00:22,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 19:00:22,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 19:00:22,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 19:00:22,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 19:00:22,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 19:00:22,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 19:00:22,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 19:00:22,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 19:00:22,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 19:00:22,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 19:00:22,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 19:00:22,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 19:00:22,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 19:00:22,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 19:00:22,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 19:00:22,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 19:00:22,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 19:00:22,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 19:00:22,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 19:00:22,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 19:00:22,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 19:00:22,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 19:00:22,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 19:00:22,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 19:00:22,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 19:00:22,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 19:00:22,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 19:00:22,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 19:00:22,691 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 19:00:22,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 19:00:22,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 19:00:22,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 19:00:22,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 19:00:22,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 19:00:22,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 19:00:22,723 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 19:00:22,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 19:00:22,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 19:00:22,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 19:00:22,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 19:00:22,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 19:00:22,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 19:00:22,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 19:00:22,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 19:00:22,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 19:00:22,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 19:00:22,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 19:00:22,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 19:00:22,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 19:00:22,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 19:00:22,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 19:00:22,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 19:00:22,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 19:00:22,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 19:00:22,727 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 19:00:22,727 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 19:00:22,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 19:00:22,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 19:00:22,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2021-11-05 19:00:22,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 19:00:23,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 19:00:23,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 19:00:23,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 19:00:23,019 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 19:00:23,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-05 19:00:23,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfbdd4866/78f4d5bc1db84b2698dbbc30796b55b1/FLAGbb95c21f8 [2021-11-05 19:00:23,761 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 19:00:23,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-05 19:00:23,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfbdd4866/78f4d5bc1db84b2698dbbc30796b55b1/FLAGbb95c21f8 [2021-11-05 19:00:23,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfbdd4866/78f4d5bc1db84b2698dbbc30796b55b1 [2021-11-05 19:00:23,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 19:00:23,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 19:00:23,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 19:00:23,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 19:00:23,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 19:00:23,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:00:23" (1/1) ... [2021-11-05 19:00:23,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bce0634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:23, skipping insertion in model container [2021-11-05 19:00:23,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:00:23" (1/1) ... [2021-11-05 19:00:23,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 19:00:23,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 19:00:25,361 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2021-11-05 19:00:25,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 19:00:25,459 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 19:00:25,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2021-11-05 19:00:25,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 19:00:25,812 INFO L208 MainTranslator]: Completed translation [2021-11-05 19:00:25,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25 WrapperNode [2021-11-05 19:00:25,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 19:00:25,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 19:00:25,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 19:00:25,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 19:00:25,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25" (1/1) ... [2021-11-05 19:00:25,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25" (1/1) ... [2021-11-05 19:00:26,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 19:00:26,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 19:00:26,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 19:00:26,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 19:00:26,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25" (1/1) ... [2021-11-05 19:00:26,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25" (1/1) ... [2021-11-05 19:00:26,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25" (1/1) ... [2021-11-05 19:00:26,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25" (1/1) ... [2021-11-05 19:00:27,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25" (1/1) ... [2021-11-05 19:00:27,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25" (1/1) ... [2021-11-05 19:00:27,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25" (1/1) ... [2021-11-05 19:00:27,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 19:00:27,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 19:00:27,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 19:00:27,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 19:00:27,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25" (1/1) ... [2021-11-05 19:00:27,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 19:00:27,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 19:00:27,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-05 19:00:27,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-05 19:00:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-05 19:00:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2021-11-05 19:00:27,431 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2021-11-05 19:00:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2021-11-05 19:00:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2021-11-05 19:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 19:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 19:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2021-11-05 19:00:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2021-11-05 19:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-05 19:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2021-11-05 19:00:27,432 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2021-11-05 19:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2021-11-05 19:00:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2021-11-05 19:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2021-11-05 19:00:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2021-11-05 19:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2021-11-05 19:00:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2021-11-05 19:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2021-11-05 19:00:27,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2021-11-05 19:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 19:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2021-11-05 19:00:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2021-11-05 19:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2021-11-05 19:00:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2021-11-05 19:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 19:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-05 19:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2021-11-05 19:00:27,434 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2021-11-05 19:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2021-11-05 19:00:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2021-11-05 19:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 19:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2021-11-05 19:00:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2021-11-05 19:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 19:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2021-11-05 19:00:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2021-11-05 19:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2021-11-05 19:00:27,435 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2021-11-05 19:00:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2021-11-05 19:00:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2021-11-05 19:00:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2021-11-05 19:00:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2021-11-05 19:00:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2021-11-05 19:00:27,436 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2021-11-05 19:00:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2021-11-05 19:00:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2021-11-05 19:00:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 19:00:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2021-11-05 19:00:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2021-11-05 19:00:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2021-11-05 19:00:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2021-11-05 19:00:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2021-11-05 19:00:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2021-11-05 19:00:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 19:00:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 19:00:27,438 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2021-11-05 19:00:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2021-11-05 19:00:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2021-11-05 19:00:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2021-11-05 19:00:27,439 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2021-11-05 19:00:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2021-11-05 19:00:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2021-11-05 19:00:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2021-11-05 19:00:27,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 19:00:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2021-11-05 19:00:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2021-11-05 19:00:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 19:00:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2021-11-05 19:00:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2021-11-05 19:00:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2021-11-05 19:00:27,441 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2021-11-05 19:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2021-11-05 19:00:27,442 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2021-11-05 19:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2021-11-05 19:00:27,442 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2021-11-05 19:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 19:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 19:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 19:00:27,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-05 19:00:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-05 19:00:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-05 19:00:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2021-11-05 19:00:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2021-11-05 19:00:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-05 19:00:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-05 19:00:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 19:00:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-05 19:00:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-05 19:00:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 19:00:27,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 19:01:20,107 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 19:01:20,108 INFO L299 CfgBuilder]: Removed 5760 assume(true) statements. [2021-11-05 19:01:20,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:01:20 BoogieIcfgContainer [2021-11-05 19:01:20,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 19:01:20,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 19:01:20,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 19:01:20,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 19:01:20,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:00:23" (1/3) ... [2021-11-05 19:01:20,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fee224a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:01:20, skipping insertion in model container [2021-11-05 19:01:20,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:00:25" (2/3) ... [2021-11-05 19:01:20,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fee224a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:01:20, skipping insertion in model container [2021-11-05 19:01:20,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:01:20" (3/3) ... [2021-11-05 19:01:20,120 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-05 19:01:20,123 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 19:01:20,123 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-05 19:01:20,174 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 19:01:20,179 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 [2021-11-05 19:01:20,179 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-05 19:01:20,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 5228 states, 4967 states have (on average 1.386752566941816) internal successors, (6888), 5056 states have internal predecessors, (6888), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (196), 171 states have call predecessors, (196), 196 states have call successors, (196) [2021-11-05 19:01:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-05 19:01:20,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:01:20,247 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 19:01:20,247 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-05 19:01:20,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:01:20,251 INFO L85 PathProgramCache]: Analyzing trace with hash -409329818, now seen corresponding path program 1 times [2021-11-05 19:01:20,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:01:20,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551178760] [2021-11-05 19:01:20,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:01:20,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:01:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:01:20,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:01:20,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:01:20,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551178760] [2021-11-05 19:01:20,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551178760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:01:20,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:01:20,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 19:01:20,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168756016] [2021-11-05 19:01:20,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:01:20,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-05 19:01:20,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:01:20,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-05 19:01:20,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 19:01:20,898 INFO L87 Difference]: Start difference. First operand has 5228 states, 4967 states have (on average 1.386752566941816) internal successors, (6888), 5056 states have internal predecessors, (6888), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (196), 171 states have call predecessors, (196), 196 states have call successors, (196) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2021-11-05 19:01:21,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:01:21,159 INFO L93 Difference]: Finished difference Result 10452 states and 14751 transitions. [2021-11-05 19:01:21,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-05 19:01:21,161 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 38 [2021-11-05 19:01:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:01:21,206 INFO L225 Difference]: With dead ends: 10452 [2021-11-05 19:01:21,206 INFO L226 Difference]: Without dead ends: 5142 [2021-11-05 19:01:21,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 19:01:21,253 INFO L933 BasicCegarLoop]: 7159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7159 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 19:01:21,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7159 Invalid, 0 Unknown, 0 Unchecked, 20.51ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 19:01:21,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5142 states. [2021-11-05 19:01:21,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5142 to 5142. [2021-11-05 19:01:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5142 states, 4882 states have (on average 1.354362965997542) internal successors, (6612), 4971 states have internal predecessors, (6612), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (195), 170 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-05 19:01:21,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 7003 transitions. [2021-11-05 19:01:21,430 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 7003 transitions. Word has length 38 [2021-11-05 19:01:21,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:01:21,430 INFO L470 AbstractCegarLoop]: Abstraction has 5142 states and 7003 transitions. [2021-11-05 19:01:21,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2021-11-05 19:01:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 7003 transitions. [2021-11-05 19:01:21,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-05 19:01:21,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:01:21,436 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 19:01:21,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 19:01:21,437 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-05 19:01:21,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:01:21,438 INFO L85 PathProgramCache]: Analyzing trace with hash -433945746, now seen corresponding path program 1 times [2021-11-05 19:01:21,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:01:21,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784354638] [2021-11-05 19:01:21,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:01:21,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:01:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:01:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:01:21,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:01:21,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784354638] [2021-11-05 19:01:21,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784354638] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:01:21,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:01:21,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 19:01:21,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782638988] [2021-11-05 19:01:21,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:01:21,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 19:01:21,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:01:21,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 19:01:21,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:01:21,843 INFO L87 Difference]: Start difference. First operand 5142 states and 7003 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-05 19:01:22,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:01:22,073 INFO L93 Difference]: Finished difference Result 12073 states and 16501 transitions. [2021-11-05 19:01:22,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 19:01:22,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2021-11-05 19:01:22,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:01:22,101 INFO L225 Difference]: With dead ends: 12073 [2021-11-05 19:01:22,102 INFO L226 Difference]: Without dead ends: 6956 [2021-11-05 19:01:22,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:01:22,122 INFO L933 BasicCegarLoop]: 9480 mSDtfsCounter, 2395 mSDsluCounter, 7046 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 16526 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.82ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.29ms IncrementalHoareTripleChecker+Time [2021-11-05 19:01:22,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2457 Valid, 16526 Invalid, 20 Unknown, 0 Unchecked, 26.82ms Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 27.29ms Time] [2021-11-05 19:01:22,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6956 states. [2021-11-05 19:01:22,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 5143. [2021-11-05 19:01:22,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5143 states, 4883 states have (on average 1.3542903952488226) internal successors, (6613), 4972 states have internal predecessors, (6613), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (195), 170 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-05 19:01:22,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 7004 transitions. [2021-11-05 19:01:22,247 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 7004 transitions. Word has length 38 [2021-11-05 19:01:22,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:01:22,247 INFO L470 AbstractCegarLoop]: Abstraction has 5143 states and 7004 transitions. [2021-11-05 19:01:22,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-05 19:01:22,248 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 7004 transitions. [2021-11-05 19:01:22,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-05 19:01:22,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:01:22,249 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 19:01:22,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 19:01:22,250 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-05 19:01:22,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:01:22,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1795589639, now seen corresponding path program 1 times [2021-11-05 19:01:22,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:01:22,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625329828] [2021-11-05 19:01:22,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:01:22,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:01:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:01:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:01:22,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:01:22,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625329828] [2021-11-05 19:01:22,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625329828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:01:22,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:01:22,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 19:01:22,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690694208] [2021-11-05 19:01:22,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:01:22,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 19:01:22,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:01:22,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 19:01:22,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:01:22,564 INFO L87 Difference]: Start difference. First operand 5143 states and 7004 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-05 19:01:22,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:01:22,754 INFO L93 Difference]: Finished difference Result 12794 states and 17435 transitions. [2021-11-05 19:01:22,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 19:01:22,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2021-11-05 19:01:22,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:01:22,786 INFO L225 Difference]: With dead ends: 12794 [2021-11-05 19:01:22,786 INFO L226 Difference]: Without dead ends: 7676 [2021-11-05 19:01:22,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.66ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:01:22,812 INFO L933 BasicCegarLoop]: 9493 mSDtfsCounter, 3639 mSDsluCounter, 6697 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3721 SdHoareTripleChecker+Valid, 16190 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.56ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.60ms IncrementalHoareTripleChecker+Time [2021-11-05 19:01:22,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3721 Valid, 16190 Invalid, 9 Unknown, 0 Unchecked, 23.56ms Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 11.60ms Time] [2021-11-05 19:01:22,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7676 states. [2021-11-05 19:01:22,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7676 to 5145. [2021-11-05 19:01:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5145 states, 4885 states have (on average 1.3543500511770727) internal successors, (6616), 4974 states have internal predecessors, (6616), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (195), 170 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-05 19:01:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 5145 states and 7007 transitions. [2021-11-05 19:01:22,972 INFO L78 Accepts]: Start accepts. Automaton has 5145 states and 7007 transitions. Word has length 47 [2021-11-05 19:01:22,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:01:22,973 INFO L470 AbstractCegarLoop]: Abstraction has 5145 states and 7007 transitions. [2021-11-05 19:01:22,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-05 19:01:22,974 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 7007 transitions. [2021-11-05 19:01:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-05 19:01:22,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:01:22,977 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 19:01:22,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 19:01:22,977 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-05 19:01:22,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:01:22,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1738331337, now seen corresponding path program 1 times [2021-11-05 19:01:22,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:01:22,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758583668] [2021-11-05 19:01:22,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:01:22,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:01:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:01:23,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:01:23,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:01:23,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758583668] [2021-11-05 19:01:23,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758583668] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:01:23,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:01:23,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 19:01:23,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668890394] [2021-11-05 19:01:23,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:01:23,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 19:01:23,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:01:23,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 19:01:23,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:01:23,355 INFO L87 Difference]: Start difference. First operand 5145 states and 7007 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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) [2021-11-05 19:01:23,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:01:23,988 INFO L93 Difference]: Finished difference Result 8470 states and 11713 transitions. [2021-11-05 19:01:23,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 19:01:23,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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 47 [2021-11-05 19:01:23,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:01:24,031 INFO L225 Difference]: With dead ends: 8470 [2021-11-05 19:01:24,031 INFO L226 Difference]: Without dead ends: 8414 [2021-11-05 19:01:24,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.15ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:01:24,041 INFO L933 BasicCegarLoop]: 7636 mSDtfsCounter, 6378 mSDsluCounter, 4778 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 373.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6378 SdHoareTripleChecker+Valid, 12414 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.89ms SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 461.00ms IncrementalHoareTripleChecker+Time [2021-11-05 19:01:24,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6378 Valid, 12414 Invalid, 433 Unknown, 0 Unchecked, 23.89ms Time], IncrementalHoareTripleChecker [191 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 461.00ms Time] [2021-11-05 19:01:24,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8414 states. [2021-11-05 19:01:24,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8414 to 8347. [2021-11-05 19:01:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8347 states, 7956 states have (on average 1.3598541980894923) internal successors, (10819), 8070 states have internal predecessors, (10819), 304 states have call successors, (304), 62 states have call predecessors, (304), 62 states have return successors, (441), 263 states have call predecessors, (441), 302 states have call successors, (441) [2021-11-05 19:01:24,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8347 states to 8347 states and 11564 transitions. [2021-11-05 19:01:24,232 INFO L78 Accepts]: Start accepts. Automaton has 8347 states and 11564 transitions. Word has length 47 [2021-11-05 19:01:24,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:01:24,234 INFO L470 AbstractCegarLoop]: Abstraction has 8347 states and 11564 transitions. [2021-11-05 19:01:24,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 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) [2021-11-05 19:01:24,234 INFO L276 IsEmpty]: Start isEmpty. Operand 8347 states and 11564 transitions. [2021-11-05 19:01:24,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-05 19:01:24,238 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:01:24,238 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 19:01:24,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 19:01:24,239 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-05 19:01:24,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:01:24,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1290968370, now seen corresponding path program 1 times [2021-11-05 19:01:24,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:01:24,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933824900] [2021-11-05 19:01:24,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:01:24,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:01:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:01:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:01:24,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:01:24,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933824900] [2021-11-05 19:01:24,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933824900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:01:24,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:01:24,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 19:01:24,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271795316] [2021-11-05 19:01:24,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:01:24,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 19:01:24,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:01:24,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 19:01:24,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 19:01:24,507 INFO L87 Difference]: Start difference. First operand 8347 states and 11564 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 19:01:26,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 19:01:29,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:01:29,513 INFO L93 Difference]: Finished difference Result 40814 states and 57124 transitions. [2021-11-05 19:01:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 19:01:29,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-05 19:01:29,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:01:29,647 INFO L225 Difference]: With dead ends: 40814 [2021-11-05 19:01:29,648 INFO L226 Difference]: Without dead ends: 32492 [2021-11-05 19:01:29,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 8.03ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 19:01:29,714 INFO L933 BasicCegarLoop]: 7942 mSDtfsCounter, 20199 mSDsluCounter, 39760 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3769.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20199 SdHoareTripleChecker+Valid, 47702 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 70.36ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4124.59ms IncrementalHoareTripleChecker+Time [2021-11-05 19:01:29,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20199 Valid, 47702 Invalid, 1307 Unknown, 0 Unchecked, 70.36ms Time], IncrementalHoareTripleChecker [18 Valid, 1288 Invalid, 1 Unknown, 0 Unchecked, 4124.59ms Time] [2021-11-05 19:01:29,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32492 states. [2021-11-05 19:01:30,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32492 to 32253. [2021-11-05 19:01:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32253 states, 30809 states have (on average 1.3611931578434873) internal successors, (41937), 31171 states have internal predecessors, (41937), 1179 states have call successors, (1179), 244 states have call predecessors, (1179), 240 states have return successors, (2287), 1020 states have call predecessors, (2287), 1171 states have call successors, (2287) [2021-11-05 19:01:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32253 states to 32253 states and 45403 transitions. [2021-11-05 19:01:30,815 INFO L78 Accepts]: Start accepts. Automaton has 32253 states and 45403 transitions. Word has length 65 [2021-11-05 19:01:30,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:01:30,816 INFO L470 AbstractCegarLoop]: Abstraction has 32253 states and 45403 transitions. [2021-11-05 19:01:30,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 19:01:30,816 INFO L276 IsEmpty]: Start isEmpty. Operand 32253 states and 45403 transitions. [2021-11-05 19:01:30,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-05 19:01:30,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:01:30,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 19:01:30,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 19:01:30,821 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-05 19:01:30,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:01:30,822 INFO L85 PathProgramCache]: Analyzing trace with hash 231355082, now seen corresponding path program 1 times [2021-11-05 19:01:30,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:01:30,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419429518] [2021-11-05 19:01:30,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:01:30,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:01:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:01:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:01:31,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:01:31,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419429518] [2021-11-05 19:01:31,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419429518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:01:31,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:01:31,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 19:01:31,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741517] [2021-11-05 19:01:31,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:01:31,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 19:01:31,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:01:31,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 19:01:31,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 19:01:31,110 INFO L87 Difference]: Start difference. First operand 32253 states and 45403 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 19:01:33,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 19:01:34,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:01:34,609 INFO L93 Difference]: Finished difference Result 64465 states and 90745 transitions. [2021-11-05 19:01:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 19:01:34,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-05 19:01:34,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:01:34,730 INFO L225 Difference]: With dead ends: 64465 [2021-11-05 19:01:34,730 INFO L226 Difference]: Without dead ends: 32237 [2021-11-05 19:01:34,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 9.22ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-05 19:01:34,839 INFO L933 BasicCegarLoop]: 6990 mSDtfsCounter, 20139 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 780 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2516.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20139 SdHoareTripleChecker+Valid, 7015 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.45ms SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2720.69ms IncrementalHoareTripleChecker+Time [2021-11-05 19:01:34,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20139 Valid, 7015 Invalid, 783 Unknown, 0 Unchecked, 19.45ms Time], IncrementalHoareTripleChecker [780 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2720.69ms Time] [2021-11-05 19:01:34,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32237 states. [2021-11-05 19:01:35,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32237 to 32237. [2021-11-05 19:01:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32237 states, 30801 states have (on average 1.3607675075484562) internal successors, (41913), 31163 states have internal predecessors, (41913), 1171 states have call successors, (1171), 244 states have call predecessors, (1171), 240 states have return successors, (2269), 1012 states have call predecessors, (2269), 1163 states have call successors, (2269) [2021-11-05 19:01:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45353 transitions. [2021-11-05 19:01:35,733 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45353 transitions. Word has length 68 [2021-11-05 19:01:35,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:01:35,733 INFO L470 AbstractCegarLoop]: Abstraction has 32237 states and 45353 transitions. [2021-11-05 19:01:35,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 19:01:35,734 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45353 transitions. [2021-11-05 19:01:35,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-05 19:01:35,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:01:35,744 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 19:01:35,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 19:01:35,744 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-05 19:01:35,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:01:35,745 INFO L85 PathProgramCache]: Analyzing trace with hash -688623935, now seen corresponding path program 1 times [2021-11-05 19:01:35,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:01:35,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141452066] [2021-11-05 19:01:35,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:01:35,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:01:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:01:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:01:36,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:01:36,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141452066] [2021-11-05 19:01:36,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141452066] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:01:36,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:01:36,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 19:01:36,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410162154] [2021-11-05 19:01:36,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:01:36,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 19:01:36,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:01:36,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 19:01:36,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:01:36,046 INFO L87 Difference]: Start difference. First operand 32237 states and 45353 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 19:01:38,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 19:01:39,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:01:39,364 INFO L93 Difference]: Finished difference Result 88099 states and 124814 transitions. [2021-11-05 19:01:39,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 19:01:39,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-05 19:01:39,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:01:39,536 INFO L225 Difference]: With dead ends: 88099 [2021-11-05 19:01:39,536 INFO L226 Difference]: Without dead ends: 55887 [2021-11-05 19:01:39,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.95ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:01:39,658 INFO L933 BasicCegarLoop]: 7213 mSDtfsCounter, 6768 mSDsluCounter, 5680 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2115.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6768 SdHoareTripleChecker+Valid, 12893 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.72ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2268.26ms IncrementalHoareTripleChecker+Time [2021-11-05 19:01:39,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6768 Valid, 12893 Invalid, 13 Unknown, 0 Unchecked, 12.72ms Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 2268.26ms Time] [2021-11-05 19:01:39,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55887 states. [2021-11-05 19:01:41,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55887 to 55855. [2021-11-05 19:01:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55855 states, 53180 states have (on average 1.3759684091763822) internal successors, (73174), 53848 states have internal predecessors, (73174), 2170 states have call successors, (2170), 488 states have call predecessors, (2170), 480 states have return successors, (4104), 1872 states have call predecessors, (4104), 2162 states have call successors, (4104) [2021-11-05 19:01:41,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55855 states to 55855 states and 79448 transitions. [2021-11-05 19:01:41,365 INFO L78 Accepts]: Start accepts. Automaton has 55855 states and 79448 transitions. Word has length 81 [2021-11-05 19:01:41,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:01:41,366 INFO L470 AbstractCegarLoop]: Abstraction has 55855 states and 79448 transitions. [2021-11-05 19:01:41,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 19:01:41,366 INFO L276 IsEmpty]: Start isEmpty. Operand 55855 states and 79448 transitions. [2021-11-05 19:01:41,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-05 19:01:41,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:01:41,374 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 19:01:41,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 19:01:41,374 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-05 19:01:41,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:01:41,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1005049575, now seen corresponding path program 1 times [2021-11-05 19:01:41,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:01:41,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612786553] [2021-11-05 19:01:41,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:01:41,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:01:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:01:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:01:41,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:01:41,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612786553] [2021-11-05 19:01:41,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612786553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:01:41,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:01:41,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 19:01:41,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023681399] [2021-11-05 19:01:41,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:01:41,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 19:01:41,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:01:41,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 19:01:41,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:01:41,605 INFO L87 Difference]: Start difference. First operand 55855 states and 79448 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 19:01:44,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:01:44,220 INFO L93 Difference]: Finished difference Result 165387 states and 235386 transitions. [2021-11-05 19:01:44,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 19:01:44,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-11-05 19:01:44,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:01:44,711 INFO L225 Difference]: With dead ends: 165387 [2021-11-05 19:01:44,714 INFO L226 Difference]: Without dead ends: 109557 [2021-11-05 19:01:45,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.67ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:01:45,035 INFO L933 BasicCegarLoop]: 8191 mSDtfsCounter, 6761 mSDsluCounter, 6959 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6761 SdHoareTripleChecker+Valid, 15150 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.81ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.42ms IncrementalHoareTripleChecker+Time [2021-11-05 19:01:45,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6761 Valid, 15150 Invalid, 8 Unknown, 0 Unchecked, 13.81ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 93.42ms Time] [2021-11-05 19:01:45,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109557 states. [2021-11-05 19:01:47,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109557 to 109507. [2021-11-05 19:01:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109507 states, 104262 states have (on average 1.3776064146093496) internal successors, (143632), 105558 states have internal predecessors, (143632), 4260 states have call successors, (4260), 976 states have call predecessors, (4260), 960 states have return successors, (8032), 3672 states have call predecessors, (8032), 4244 states have call successors, (8032) [2021-11-05 19:01:48,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109507 states to 109507 states and 155924 transitions. [2021-11-05 19:01:48,488 INFO L78 Accepts]: Start accepts. Automaton has 109507 states and 155924 transitions. Word has length 86 [2021-11-05 19:01:48,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:01:48,488 INFO L470 AbstractCegarLoop]: Abstraction has 109507 states and 155924 transitions. [2021-11-05 19:01:48,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 19:01:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 109507 states and 155924 transitions. [2021-11-05 19:01:48,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-05 19:01:48,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:01:48,506 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 19:01:48,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 19:01:48,506 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-05 19:01:48,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:01:48,506 INFO L85 PathProgramCache]: Analyzing trace with hash 570956103, now seen corresponding path program 1 times [2021-11-05 19:01:48,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:01:48,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500588102] [2021-11-05 19:01:48,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:01:48,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:01:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:01:48,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-05 19:01:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:01:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:01:48,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:01:48,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500588102] [2021-11-05 19:01:48,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500588102] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:01:48,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:01:48,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 19:01:48,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880840556] [2021-11-05 19:01:48,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:01:48,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 19:01:48,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:01:48,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 19:01:48,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 19:01:48,938 INFO L87 Difference]: Start difference. First operand 109507 states and 155924 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-05 19:01:51,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 19:01:53,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 19:01:55,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 19:01:59,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 19:02:09,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:02:09,382 INFO L93 Difference]: Finished difference Result 322799 states and 461134 transitions. [2021-11-05 19:02:09,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 19:02:09,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 102 [2021-11-05 19:02:09,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:02:10,131 INFO L225 Difference]: With dead ends: 322799 [2021-11-05 19:02:10,132 INFO L226 Difference]: Without dead ends: 213317 [2021-11-05 19:02:10,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.56ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 19:02:10,690 INFO L933 BasicCegarLoop]: 8415 mSDtfsCounter, 6789 mSDsluCounter, 12688 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 409 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13932.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6836 SdHoareTripleChecker+Valid, 21103 SdHoareTripleChecker+Invalid, 2865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 54.81ms SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15034.77ms IncrementalHoareTripleChecker+Time [2021-11-05 19:02:10,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6836 Valid, 21103 Invalid, 2865 Unknown, 0 Unchecked, 54.81ms Time], IncrementalHoareTripleChecker [409 Valid, 2452 Invalid, 4 Unknown, 0 Unchecked, 15034.77ms Time] [2021-11-05 19:02:10,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213317 states. [2021-11-05 19:02:16,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213317 to 211867. [2021-11-05 19:02:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211867 states, 201410 states have (on average 1.3754431259619682) internal successors, (277028), 204138 states have internal predecessors, (277028), 8216 states have call successors, (8216), 1952 states have call predecessors, (8216), 2216 states have return successors, (17692), 7168 states have call predecessors, (17692), 8184 states have call successors, (17692) [2021-11-05 19:02:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211867 states to 211867 states and 302936 transitions. [2021-11-05 19:02:17,601 INFO L78 Accepts]: Start accepts. Automaton has 211867 states and 302936 transitions. Word has length 102 [2021-11-05 19:02:17,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:02:17,601 INFO L470 AbstractCegarLoop]: Abstraction has 211867 states and 302936 transitions. [2021-11-05 19:02:17,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-05 19:02:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 211867 states and 302936 transitions. [2021-11-05 19:02:17,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-05 19:02:17,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:02:17,668 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-05 19:02:17,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 19:02:17,669 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-05 19:02:17,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:02:17,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1313096634, now seen corresponding path program 1 times [2021-11-05 19:02:17,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:02:17,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267598672] [2021-11-05 19:02:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:02:17,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:02:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:02:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:02:18,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:02:18,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267598672] [2021-11-05 19:02:18,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267598672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:02:18,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:02:18,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 19:02:18,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419274238] [2021-11-05 19:02:18,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:02:18,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 19:02:18,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:02:18,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 19:02:18,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 19:02:18,243 INFO L87 Difference]: Start difference. First operand 211867 states and 302936 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 19:02:20,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []