./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 f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX --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-dev-f8e1c90 [2021-11-09 08:58:43,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:58:43,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:58:43,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:58:43,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:58:43,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:58:43,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:58:43,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:58:43,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:58:43,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:58:43,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:58:43,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:58:43,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:58:43,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:58:43,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:58:43,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:58:43,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:58:43,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:58:43,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:58:43,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:58:43,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:58:43,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:58:43,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:58:43,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:58:43,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:58:43,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:58:43,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:58:43,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:58:43,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:58:43,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:58:43,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:58:43,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:58:43,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:58:43,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:58:43,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:58:43,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:58:43,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:58:43,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:58:43,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:58:43,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:58:43,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:58:43,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-09 08:58:43,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:58:43,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:58:43,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:58:43,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:58:43,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:58:43,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:58:43,759 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:58:43,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:58:43,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:58:43,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:58:43,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:58:43,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:58:43,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:58:43,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:58:43,762 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:58:43,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:58:43,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:58:43,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:58:43,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:58:43,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:58:43,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:58:43,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:58:43,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:58:43,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:58:43,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:58:43,764 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:58:43,765 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:58:43,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:58:43,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:58:43,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2021-11-09 08:58:44,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:58:44,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:58:44,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:58:44,156 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:58:44,158 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:58:44,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/../../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 [2021-11-09 08:58:44,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/data/447de5531/f53c8e95e1144f8a8a219a4eb6a62099/FLAG7b838012d [2021-11-09 08:58:45,224 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:58:45,225 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/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 [2021-11-09 08:58:45,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/data/447de5531/f53c8e95e1144f8a8a219a4eb6a62099/FLAG7b838012d [2021-11-09 08:58:45,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/data/447de5531/f53c8e95e1144f8a8a219a4eb6a62099 [2021-11-09 08:58:45,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:58:45,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:58:45,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:58:45,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:58:45,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:58:45,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:58:45" (1/1) ... [2021-11-09 08:58:45,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd46e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:45, skipping insertion in model container [2021-11-09 08:58:45,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:58:45" (1/1) ... [2021-11-09 08:58:45,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:58:45,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:58:48,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/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] [2021-11-09 08:58:48,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:58:48,418 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:58:48,933 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/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] [2021-11-09 08:58:48,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:58:49,051 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:58:49,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49 WrapperNode [2021-11-09 08:58:49,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:58:49,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:58:49,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:58:49,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:58:49,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49" (1/1) ... [2021-11-09 08:58:49,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49" (1/1) ... [2021-11-09 08:58:50,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:58:50,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:58:50,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:58:50,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:58:50,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49" (1/1) ... [2021-11-09 08:58:50,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49" (1/1) ... [2021-11-09 08:58:50,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49" (1/1) ... [2021-11-09 08:58:50,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49" (1/1) ... [2021-11-09 08:58:50,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49" (1/1) ... [2021-11-09 08:58:51,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49" (1/1) ... [2021-11-09 08:58:51,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49" (1/1) ... [2021-11-09 08:58:51,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:58:51,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:58:51,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:58:51,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:58:51,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49" (1/1) ... [2021-11-09 08:58:51,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:58:51,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:58:51,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:58:51,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4160a749-07d4-43c7-bc7b-88226c759946/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:58:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-09 08:58:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2021-11-09 08:58:51,289 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2021-11-09 08:58:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2021-11-09 08:58:51,290 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2021-11-09 08:58:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-09 08:58:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-09 08:58:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2021-11-09 08:58:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2021-11-09 08:58:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-09 08:58:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2021-11-09 08:58:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2021-11-09 08:58:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2021-11-09 08:58:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2021-11-09 08:58:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2021-11-09 08:58:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2021-11-09 08:58:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2021-11-09 08:58:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2021-11-09 08:58:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2021-11-09 08:58:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2021-11-09 08:58:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:58:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2021-11-09 08:58:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2021-11-09 08:58:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2021-11-09 08:58:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2021-11-09 08:58:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 08:58:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-09 08:58:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2021-11-09 08:58:51,296 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2021-11-09 08:58:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2021-11-09 08:58:51,296 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2021-11-09 08:58:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:58:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2021-11-09 08:58:51,297 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2021-11-09 08:58:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 08:58:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2021-11-09 08:58:51,297 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2021-11-09 08:58:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2021-11-09 08:58:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2021-11-09 08:58:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2021-11-09 08:58:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2021-11-09 08:58:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2021-11-09 08:58:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2021-11-09 08:58:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2021-11-09 08:58:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2021-11-09 08:58:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2021-11-09 08:58:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2021-11-09 08:58:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-09 08:58:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2021-11-09 08:58:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2021-11-09 08:58:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2021-11-09 08:58:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2021-11-09 08:58:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2021-11-09 08:58:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2021-11-09 08:58:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-09 08:58:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:58:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2021-11-09 08:58:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2021-11-09 08:58:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2021-11-09 08:58:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2021-11-09 08:58:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2021-11-09 08:58:51,304 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2021-11-09 08:58:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2021-11-09 08:58:51,305 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2021-11-09 08:58:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:58:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2021-11-09 08:58:51,305 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2021-11-09 08:58:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 08:58:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2021-11-09 08:58:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2021-11-09 08:58:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2021-11-09 08:58:51,307 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2021-11-09 08:58:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2021-11-09 08:58:51,308 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2021-11-09 08:58:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2021-11-09 08:58:51,308 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2021-11-09 08:58:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 08:58:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-09 08:58:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 08:58:51,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 08:58:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-09 08:58:51,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-09 08:58:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2021-11-09 08:58:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2021-11-09 08:58:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-09 08:58:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-09 08:58:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:58:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-09 08:58:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-09 08:58:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:58:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:00:04,569 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:00:04,570 INFO L299 CfgBuilder]: Removed 5760 assume(true) statements. [2021-11-09 09:00:04,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:00:04 BoogieIcfgContainer [2021-11-09 09:00:04,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:00:04,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:00:04,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:00:04,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:00:04,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:58:45" (1/3) ... [2021-11-09 09:00:04,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a60b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:00:04, skipping insertion in model container [2021-11-09 09:00:04,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:58:49" (2/3) ... [2021-11-09 09:00:04,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a60b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:00:04, skipping insertion in model container [2021-11-09 09:00:04,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:00:04" (3/3) ... [2021-11-09 09:00:04,589 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-09 09:00:04,596 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:00:04,596 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-09 09:00:04,681 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:00:04,689 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 [2021-11-09 09:00:04,689 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-09 09:00:04,807 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) [2021-11-09 09:00:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-09 09:00:04,822 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:00:04,823 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:00:04,823 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)] === [2021-11-09 09:00:04,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:00:04,830 INFO L85 PathProgramCache]: Analyzing trace with hash -409329818, now seen corresponding path program 1 times [2021-11-09 09:00:04,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:00:04,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119523509] [2021-11-09 09:00:04,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:00:04,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:00:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:00:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:00:05,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:00:05,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119523509] [2021-11-09 09:00:05,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119523509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:00:05,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:00:05,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:00:05,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648998010] [2021-11-09 09:00:05,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 09:00:05,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:00:05,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 09:00:05,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 09:00:06,000 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) [2021-11-09 09:00:06,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:00:06,382 INFO L93 Difference]: Finished difference Result 10452 states and 14751 transitions. [2021-11-09 09:00:06,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 09:00:06,384 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 [2021-11-09 09:00:06,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:00:06,442 INFO L225 Difference]: With dead ends: 10452 [2021-11-09 09:00:06,442 INFO L226 Difference]: Without dead ends: 5142 [2021-11-09 09:00:06,495 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 09:00:06,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5142 states. [2021-11-09 09:00:06,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5142 to 5142. [2021-11-09 09:00:06,814 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) [2021-11-09 09:00:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 7003 transitions. [2021-11-09 09:00:06,873 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 7003 transitions. Word has length 38 [2021-11-09 09:00:06,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:00:06,873 INFO L470 AbstractCegarLoop]: Abstraction has 5142 states and 7003 transitions. [2021-11-09 09:00:06,874 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) [2021-11-09 09:00:06,874 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 7003 transitions. [2021-11-09 09:00:06,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-09 09:00:06,885 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:00:06,885 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:00:06,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:00:06,886 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)] === [2021-11-09 09:00:06,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:00:06,889 INFO L85 PathProgramCache]: Analyzing trace with hash -433945746, now seen corresponding path program 1 times [2021-11-09 09:00:06,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:00:06,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547196583] [2021-11-09 09:00:06,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:00:06,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:00:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:00:07,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:00:07,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:00:07,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547196583] [2021-11-09 09:00:07,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547196583] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:00:07,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:00:07,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:00:07,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127460045] [2021-11-09 09:00:07,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:00:07,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:00:07,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:00:07,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:00:07,609 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) [2021-11-09 09:00:08,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:00:08,046 INFO L93 Difference]: Finished difference Result 12073 states and 16501 transitions. [2021-11-09 09:00:08,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:00:08,047 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 [2021-11-09 09:00:08,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:00:08,105 INFO L225 Difference]: With dead ends: 12073 [2021-11-09 09:00:08,105 INFO L226 Difference]: Without dead ends: 6956 [2021-11-09 09:00:08,132 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:00:08,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6956 states. [2021-11-09 09:00:08,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 5143. [2021-11-09 09:00:08,360 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) [2021-11-09 09:00:08,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 7004 transitions. [2021-11-09 09:00:08,392 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 7004 transitions. Word has length 38 [2021-11-09 09:00:08,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:00:08,393 INFO L470 AbstractCegarLoop]: Abstraction has 5143 states and 7004 transitions. [2021-11-09 09:00:08,393 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) [2021-11-09 09:00:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 7004 transitions. [2021-11-09 09:00:08,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-09 09:00:08,397 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:00:08,397 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:00:08,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:00:08,398 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)] === [2021-11-09 09:00:08,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:00:08,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1795589639, now seen corresponding path program 1 times [2021-11-09 09:00:08,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:00:08,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557367208] [2021-11-09 09:00:08,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:00:08,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:00:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:00:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:00:08,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:00:08,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557367208] [2021-11-09 09:00:08,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557367208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:00:08,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:00:08,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:00:08,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882672932] [2021-11-09 09:00:08,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:00:08,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:00:08,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:00:08,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:00:08,912 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) [2021-11-09 09:00:09,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:00:09,215 INFO L93 Difference]: Finished difference Result 12794 states and 17435 transitions. [2021-11-09 09:00:09,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:00:09,216 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 [2021-11-09 09:00:09,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:00:09,280 INFO L225 Difference]: With dead ends: 12794 [2021-11-09 09:00:09,280 INFO L226 Difference]: Without dead ends: 7676 [2021-11-09 09:00:09,308 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:00:09,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7676 states. [2021-11-09 09:00:09,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7676 to 5145. [2021-11-09 09:00:09,516 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) [2021-11-09 09:00:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 5145 states and 7007 transitions. [2021-11-09 09:00:09,547 INFO L78 Accepts]: Start accepts. Automaton has 5145 states and 7007 transitions. Word has length 47 [2021-11-09 09:00:09,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:00:09,548 INFO L470 AbstractCegarLoop]: Abstraction has 5145 states and 7007 transitions. [2021-11-09 09:00:09,548 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) [2021-11-09 09:00:09,549 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 7007 transitions. [2021-11-09 09:00:09,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-09 09:00:09,552 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:00:09,552 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:00:09,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 09:00:09,552 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)] === [2021-11-09 09:00:09,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:00:09,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1738331337, now seen corresponding path program 1 times [2021-11-09 09:00:09,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:00:09,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303083575] [2021-11-09 09:00:09,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:00:09,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:00:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:00:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:00:10,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:00:10,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303083575] [2021-11-09 09:00:10,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303083575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:00:10,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:00:10,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:00:10,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489052228] [2021-11-09 09:00:10,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:00:10,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:00:10,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:00:10,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:00:10,127 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) [2021-11-09 09:00:11,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:00:11,322 INFO L93 Difference]: Finished difference Result 8470 states and 11713 transitions. [2021-11-09 09:00:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:00:11,323 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 [2021-11-09 09:00:11,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:00:11,393 INFO L225 Difference]: With dead ends: 8470 [2021-11-09 09:00:11,393 INFO L226 Difference]: Without dead ends: 8414 [2021-11-09 09:00:11,401 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:00:11,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8414 states. [2021-11-09 09:00:11,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8414 to 8347. [2021-11-09 09:00:11,710 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) [2021-11-09 09:00:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8347 states to 8347 states and 11564 transitions. [2021-11-09 09:00:11,756 INFO L78 Accepts]: Start accepts. Automaton has 8347 states and 11564 transitions. Word has length 47 [2021-11-09 09:00:11,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:00:11,757 INFO L470 AbstractCegarLoop]: Abstraction has 8347 states and 11564 transitions. [2021-11-09 09:00:11,758 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) [2021-11-09 09:00:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 8347 states and 11564 transitions. [2021-11-09 09:00:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-09 09:00:11,765 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:00:11,765 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:00:11,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 09:00:11,765 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)] === [2021-11-09 09:00:11,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:00:11,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1290968370, now seen corresponding path program 1 times [2021-11-09 09:00:11,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:00:11,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947342263] [2021-11-09 09:00:11,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:00:11,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:00:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:00:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:00:12,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:00:12,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947342263] [2021-11-09 09:00:12,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947342263] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:00:12,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:00:12,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:00:12,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358997276] [2021-11-09 09:00:12,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:00:12,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:00:12,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:00:12,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:00:12,320 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) [2021-11-09 09:00:19,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:00:19,391 INFO L93 Difference]: Finished difference Result 40814 states and 57124 transitions. [2021-11-09 09:00:19,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:00:19,392 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 [2021-11-09 09:00:19,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:00:19,581 INFO L225 Difference]: With dead ends: 40814 [2021-11-09 09:00:19,581 INFO L226 Difference]: Without dead ends: 32492 [2021-11-09 09:00:19,638 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:00:19,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32492 states. [2021-11-09 09:00:20,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32492 to 32253. [2021-11-09 09:00:20,792 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) [2021-11-09 09:00:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32253 states to 32253 states and 45403 transitions. [2021-11-09 09:00:20,966 INFO L78 Accepts]: Start accepts. Automaton has 32253 states and 45403 transitions. Word has length 65 [2021-11-09 09:00:20,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:00:20,967 INFO L470 AbstractCegarLoop]: Abstraction has 32253 states and 45403 transitions. [2021-11-09 09:00:20,967 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) [2021-11-09 09:00:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 32253 states and 45403 transitions. [2021-11-09 09:00:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-09 09:00:20,976 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:00:20,976 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:00:20,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 09:00:20,977 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)] === [2021-11-09 09:00:20,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:00:20,977 INFO L85 PathProgramCache]: Analyzing trace with hash 231355082, now seen corresponding path program 1 times [2021-11-09 09:00:20,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:00:20,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317441625] [2021-11-09 09:00:20,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:00:20,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:00:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:00:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:00:21,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:00:21,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317441625] [2021-11-09 09:00:21,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317441625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:00:21,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:00:21,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:00:21,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57176496] [2021-11-09 09:00:21,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:00:21,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:00:21,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:00:21,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:00:21,548 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) [2021-11-09 09:00:25,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:00:25,746 INFO L93 Difference]: Finished difference Result 64465 states and 90745 transitions. [2021-11-09 09:00:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:00:25,747 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 [2021-11-09 09:00:25,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:00:25,928 INFO L225 Difference]: With dead ends: 64465 [2021-11-09 09:00:25,928 INFO L226 Difference]: Without dead ends: 32237 [2021-11-09 09:00:26,095 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:00:26,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32237 states. [2021-11-09 09:00:27,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32237 to 32237. [2021-11-09 09:00:27,921 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) [2021-11-09 09:00:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45353 transitions. [2021-11-09 09:00:28,090 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45353 transitions. Word has length 68 [2021-11-09 09:00:28,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:00:28,091 INFO L470 AbstractCegarLoop]: Abstraction has 32237 states and 45353 transitions. [2021-11-09 09:00:28,091 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) [2021-11-09 09:00:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45353 transitions. [2021-11-09 09:00:28,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-09 09:00:28,101 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:00:28,101 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:00:28,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 09:00:28,104 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)] === [2021-11-09 09:00:28,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:00:28,104 INFO L85 PathProgramCache]: Analyzing trace with hash -688623935, now seen corresponding path program 1 times [2021-11-09 09:00:28,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:00:28,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725990430] [2021-11-09 09:00:28,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:00:28,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:00:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:00:28,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:00:28,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:00:28,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725990430] [2021-11-09 09:00:28,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725990430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:00:28,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:00:28,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:00:28,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449347044] [2021-11-09 09:00:28,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:00:28,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:00:28,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:00:28,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:00:28,645 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) [2021-11-09 09:00:32,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:00:32,573 INFO L93 Difference]: Finished difference Result 88099 states and 124814 transitions. [2021-11-09 09:00:32,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:00:32,574 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 [2021-11-09 09:00:32,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:00:32,879 INFO L225 Difference]: With dead ends: 88099 [2021-11-09 09:00:32,879 INFO L226 Difference]: Without dead ends: 55887 [2021-11-09 09:00:33,026 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:00:33,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55887 states. [2021-11-09 09:00:35,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55887 to 55855. [2021-11-09 09:00:35,759 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) [2021-11-09 09:00:36,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55855 states to 55855 states and 79448 transitions. [2021-11-09 09:00:36,063 INFO L78 Accepts]: Start accepts. Automaton has 55855 states and 79448 transitions. Word has length 81 [2021-11-09 09:00:36,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:00:36,064 INFO L470 AbstractCegarLoop]: Abstraction has 55855 states and 79448 transitions. [2021-11-09 09:00:36,064 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) [2021-11-09 09:00:36,065 INFO L276 IsEmpty]: Start isEmpty. Operand 55855 states and 79448 transitions. [2021-11-09 09:00:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-09 09:00:36,080 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:00:36,081 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:00:36,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 09:00:36,081 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)] === [2021-11-09 09:00:36,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:00:36,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1005049575, now seen corresponding path program 1 times [2021-11-09 09:00:36,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:00:36,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420147025] [2021-11-09 09:00:36,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:00:36,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:00:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:00:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:00:37,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:00:37,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420147025] [2021-11-09 09:00:37,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420147025] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:00:37,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:00:37,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:00:37,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666267219] [2021-11-09 09:00:37,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:00:37,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:00:37,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:00:37,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:00:37,050 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) [2021-11-09 09:00:41,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:00:41,675 INFO L93 Difference]: Finished difference Result 165387 states and 235386 transitions. [2021-11-09 09:00:41,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:00:41,676 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 [2021-11-09 09:00:41,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:00:42,547 INFO L225 Difference]: With dead ends: 165387 [2021-11-09 09:00:42,547 INFO L226 Difference]: Without dead ends: 109557 [2021-11-09 09:00:42,798 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:00:42,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109557 states. [2021-11-09 09:00:47,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109557 to 109507. [2021-11-09 09:00:47,254 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) [2021-11-09 09:00:48,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109507 states to 109507 states and 155924 transitions. [2021-11-09 09:00:48,307 INFO L78 Accepts]: Start accepts. Automaton has 109507 states and 155924 transitions. Word has length 86 [2021-11-09 09:00:48,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:00:48,309 INFO L470 AbstractCegarLoop]: Abstraction has 109507 states and 155924 transitions. [2021-11-09 09:00:48,310 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) [2021-11-09 09:00:48,310 INFO L276 IsEmpty]: Start isEmpty. Operand 109507 states and 155924 transitions. [2021-11-09 09:00:48,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-09 09:00:48,350 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:00:48,350 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:00:48,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 09:00:48,351 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)] === [2021-11-09 09:00:48,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:00:48,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1726990639, now seen corresponding path program 1 times [2021-11-09 09:00:48,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:00:48,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334286494] [2021-11-09 09:00:48,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:00:48,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:00:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:00:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-09 09:00:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:00:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:00:48,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:00:48,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334286494] [2021-11-09 09:00:48,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334286494] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:00:48,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:00:48,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:00:48,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599419700] [2021-11-09 09:00:48,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:00:48,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:00:48,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:00:48,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:00:48,870 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) [2021-11-09 09:01:14,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:01:14,561 INFO L93 Difference]: Finished difference Result 322799 states and 461134 transitions. [2021-11-09 09:01:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:01:14,562 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 [2021-11-09 09:01:14,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:01:15,777 INFO L225 Difference]: With dead ends: 322799 [2021-11-09 09:01:15,777 INFO L226 Difference]: Without dead ends: 213317 [2021-11-09 09:01:16,551 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:01:16,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213317 states. [2021-11-09 09:01:23,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213317 to 211867. [2021-11-09 09:01:23,984 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) [2021-11-09 09:01:25,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211867 states to 211867 states and 302936 transitions. [2021-11-09 09:01:25,668 INFO L78 Accepts]: Start accepts. Automaton has 211867 states and 302936 transitions. Word has length 102 [2021-11-09 09:01:25,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:01:25,668 INFO L470 AbstractCegarLoop]: Abstraction has 211867 states and 302936 transitions. [2021-11-09 09:01:25,668 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) [2021-11-09 09:01:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 211867 states and 302936 transitions. [2021-11-09 09:01:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-09 09:01:25,731 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:01:25,731 INFO L513 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] [2021-11-09 09:01:25,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 09:01:25,732 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)] === [2021-11-09 09:01:25,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:01:25,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1313096634, now seen corresponding path program 1 times [2021-11-09 09:01:25,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:01:25,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772473706] [2021-11-09 09:01:25,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:01:25,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:01:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:01:27,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:01:27,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:01:27,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772473706] [2021-11-09 09:01:27,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772473706] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:01:27,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:01:27,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:01:27,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814378168] [2021-11-09 09:01:27,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:01:27,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:01:27,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:01:27,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:01:27,436 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)