./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 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 15:39:08,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 15:39:08,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 15:39:08,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 15:39:08,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 15:39:08,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 15:39:08,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 15:39:08,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 15:39:08,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 15:39:08,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 15:39:08,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 15:39:08,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 15:39:08,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 15:39:08,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 15:39:08,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 15:39:08,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 15:39:08,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 15:39:08,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 15:39:08,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 15:39:08,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 15:39:08,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 15:39:08,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 15:39:08,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 15:39:08,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 15:39:08,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 15:39:08,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 15:39:08,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 15:39:08,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 15:39:08,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 15:39:08,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 15:39:08,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 15:39:08,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 15:39:08,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 15:39:08,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 15:39:08,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 15:39:08,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 15:39:09,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 15:39:09,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 15:39:09,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 15:39:09,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 15:39:09,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 15:39:09,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 15:39:09,036 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 15:39:09,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 15:39:09,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 15:39:09,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 15:39:09,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 15:39:09,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 15:39:09,039 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 15:39:09,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 15:39:09,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 15:39:09,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 15:39:09,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 15:39:09,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 15:39:09,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 15:39:09,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 15:39:09,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 15:39:09,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 15:39:09,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 15:39:09,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 15:39:09,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 15:39:09,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:39:09,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 15:39:09,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 15:39:09,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 15:39:09,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 15:39:09,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 15:39:09,044 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 15:39:09,044 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 15:39:09,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 15:39:09,045 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 15:39:09,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2021-11-07 15:39:09,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 15:39:09,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 15:39:09,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 15:39:09,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 15:39:09,359 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 15:39:09,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-07 15:39:09,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2168467e7/24ccb48ca20944d591ac1d37f7abc2fc/FLAGfb8148bae [2021-11-07 15:39:10,217 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 15:39:10,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-07 15:39:10,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2168467e7/24ccb48ca20944d591ac1d37f7abc2fc/FLAGfb8148bae [2021-11-07 15:39:10,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2168467e7/24ccb48ca20944d591ac1d37f7abc2fc [2021-11-07 15:39:10,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 15:39:10,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 15:39:10,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 15:39:10,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 15:39:10,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 15:39:10,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:39:10" (1/1) ... [2021-11-07 15:39:10,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666979a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:10, skipping insertion in model container [2021-11-07 15:39:10,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:39:10" (1/1) ... [2021-11-07 15:39:10,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 15:39:10,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 15:39:13,728 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2021-11-07 15:39:13,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:39:13,848 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 15:39:14,208 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2021-11-07 15:39:14,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:39:14,339 INFO L208 MainTranslator]: Completed translation [2021-11-07 15:39:14,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14 WrapperNode [2021-11-07 15:39:14,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 15:39:14,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 15:39:14,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 15:39:14,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 15:39:14,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14" (1/1) ... [2021-11-07 15:39:14,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14" (1/1) ... [2021-11-07 15:39:15,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 15:39:15,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 15:39:15,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 15:39:15,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 15:39:15,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14" (1/1) ... [2021-11-07 15:39:15,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14" (1/1) ... [2021-11-07 15:39:15,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14" (1/1) ... [2021-11-07 15:39:15,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14" (1/1) ... [2021-11-07 15:39:15,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14" (1/1) ... [2021-11-07 15:39:16,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14" (1/1) ... [2021-11-07 15:39:16,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14" (1/1) ... [2021-11-07 15:39:16,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 15:39:16,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 15:39:16,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 15:39:16,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 15:39:16,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14" (1/1) ... [2021-11-07 15:39:16,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:39:16,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 15:39:16,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 15:39:16,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 15:39:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-07 15:39:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2021-11-07 15:39:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2021-11-07 15:39:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2021-11-07 15:39:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2021-11-07 15:39:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 15:39:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 15:39:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2021-11-07 15:39:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2021-11-07 15:39:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-07 15:39:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2021-11-07 15:39:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2021-11-07 15:39:16,389 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2021-11-07 15:39:16,389 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2021-11-07 15:39:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2021-11-07 15:39:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2021-11-07 15:39:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2021-11-07 15:39:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2021-11-07 15:39:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2021-11-07 15:39:16,390 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2021-11-07 15:39:16,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 15:39:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2021-11-07 15:39:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2021-11-07 15:39:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2021-11-07 15:39:16,391 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2021-11-07 15:39:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 15:39:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-07 15:39:16,391 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2021-11-07 15:39:16,392 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2021-11-07 15:39:16,392 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2021-11-07 15:39:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2021-11-07 15:39:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 15:39:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2021-11-07 15:39:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2021-11-07 15:39:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 15:39:16,393 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2021-11-07 15:39:16,393 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2021-11-07 15:39:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2021-11-07 15:39:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2021-11-07 15:39:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2021-11-07 15:39:16,394 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2021-11-07 15:39:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2021-11-07 15:39:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2021-11-07 15:39:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2021-11-07 15:39:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2021-11-07 15:39:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2021-11-07 15:39:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2021-11-07 15:39:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 15:39:16,395 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2021-11-07 15:39:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2021-11-07 15:39:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2021-11-07 15:39:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2021-11-07 15:39:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2021-11-07 15:39:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2021-11-07 15:39:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 15:39:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 15:39:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2021-11-07 15:39:16,397 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2021-11-07 15:39:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2021-11-07 15:39:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2021-11-07 15:39:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2021-11-07 15:39:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2021-11-07 15:39:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2021-11-07 15:39:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2021-11-07 15:39:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 15:39:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2021-11-07 15:39:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2021-11-07 15:39:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 15:39:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2021-11-07 15:39:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2021-11-07 15:39:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2021-11-07 15:39:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2021-11-07 15:39:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2021-11-07 15:39:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2021-11-07 15:39:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2021-11-07 15:39:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2021-11-07 15:39:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 15:39:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 15:39:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 15:39:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 15:39:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-07 15:39:16,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-07 15:39:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2021-11-07 15:39:16,403 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2021-11-07 15:39:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-07 15:39:16,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-07 15:39:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 15:39:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-07 15:39:16,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-07 15:39:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 15:39:16,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 15:40:15,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 15:40:15,837 INFO L299 CfgBuilder]: Removed 5760 assume(true) statements. [2021-11-07 15:40:15,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:40:15 BoogieIcfgContainer [2021-11-07 15:40:15,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 15:40:15,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 15:40:15,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 15:40:15,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 15:40:15,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:39:10" (1/3) ... [2021-11-07 15:40:15,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648ab871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:40:15, skipping insertion in model container [2021-11-07 15:40:15,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:39:14" (2/3) ... [2021-11-07 15:40:15,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648ab871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:40:15, skipping insertion in model container [2021-11-07 15:40:15,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:40:15" (3/3) ... [2021-11-07 15:40:15,850 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-07 15:40:15,855 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 15:40:15,855 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-07 15:40:15,913 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 15:40:15,918 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 15:40:15,919 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-07 15:40:15,996 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) [2021-11-07 15:40:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 15:40:16,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:40:16,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:40:16,010 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)] === [2021-11-07 15:40:16,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:40:16,017 INFO L85 PathProgramCache]: Analyzing trace with hash -409329818, now seen corresponding path program 1 times [2021-11-07 15:40:16,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:40:16,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781200942] [2021-11-07 15:40:16,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:40:16,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:40:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:40:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:40:16,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:40:16,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781200942] [2021-11-07 15:40:16,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781200942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:40:16,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:40:16,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:40:16,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81802254] [2021-11-07 15:40:16,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:40:16,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 15:40:16,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:40:16,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 15:40:16,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:40:16,946 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) [2021-11-07 15:40:17,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:40:17,268 INFO L93 Difference]: Finished difference Result 10452 states and 14751 transitions. [2021-11-07 15:40:17,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 15:40:17,270 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 [2021-11-07 15:40:17,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:40:17,321 INFO L225 Difference]: With dead ends: 10452 [2021-11-07 15:40:17,321 INFO L226 Difference]: Without dead ends: 5142 [2021-11-07 15:40:17,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:40:17,374 INFO L933 BasicCegarLoop]: 7159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7159 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.07ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 15:40:17,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7159 Invalid, 0 Unknown, 0 Unchecked, 21.07ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 15:40:17,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5142 states. [2021-11-07 15:40:17,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5142 to 5142. [2021-11-07 15:40:17,608 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) [2021-11-07 15:40:17,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 7003 transitions. [2021-11-07 15:40:17,645 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 7003 transitions. Word has length 38 [2021-11-07 15:40:17,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:40:17,646 INFO L470 AbstractCegarLoop]: Abstraction has 5142 states and 7003 transitions. [2021-11-07 15:40:17,646 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) [2021-11-07 15:40:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 7003 transitions. [2021-11-07 15:40:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 15:40:17,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:40:17,654 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:40:17,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 15:40:17,654 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)] === [2021-11-07 15:40:17,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:40:17,657 INFO L85 PathProgramCache]: Analyzing trace with hash -433945746, now seen corresponding path program 1 times [2021-11-07 15:40:17,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:40:17,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113846676] [2021-11-07 15:40:17,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:40:17,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:40:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:40:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:40:18,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:40:18,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113846676] [2021-11-07 15:40:18,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113846676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:40:18,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:40:18,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:40:18,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934618184] [2021-11-07 15:40:18,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:40:18,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:40:18,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:40:18,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:40:18,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:40:18,176 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) [2021-11-07 15:40:18,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:40:18,590 INFO L93 Difference]: Finished difference Result 12073 states and 16501 transitions. [2021-11-07 15:40:18,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:40:18,591 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 [2021-11-07 15:40:18,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:40:18,639 INFO L225 Difference]: With dead ends: 12073 [2021-11-07 15:40:18,639 INFO L226 Difference]: Without dead ends: 6956 [2021-11-07 15:40:18,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.38ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:40:18,672 INFO L933 BasicCegarLoop]: 9480 mSDtfsCounter, 2395 mSDsluCounter, 7046 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 16526 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 51.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.11ms IncrementalHoareTripleChecker+Time [2021-11-07 15:40:18,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2457 Valid, 16526 Invalid, 20 Unknown, 0 Unchecked, 51.18ms Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 47.11ms Time] [2021-11-07 15:40:18,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6956 states. [2021-11-07 15:40:18,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 5143. [2021-11-07 15:40:18,851 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) [2021-11-07 15:40:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 7004 transitions. [2021-11-07 15:40:18,882 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 7004 transitions. Word has length 38 [2021-11-07 15:40:18,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:40:18,883 INFO L470 AbstractCegarLoop]: Abstraction has 5143 states and 7004 transitions. [2021-11-07 15:40:18,883 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) [2021-11-07 15:40:18,883 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 7004 transitions. [2021-11-07 15:40:18,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 15:40:18,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:40:18,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:40:18,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 15:40:18,891 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)] === [2021-11-07 15:40:18,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:40:18,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1795589639, now seen corresponding path program 1 times [2021-11-07 15:40:18,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:40:18,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088389184] [2021-11-07 15:40:18,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:40:18,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:40:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:40:19,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:40:19,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:40:19,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088389184] [2021-11-07 15:40:19,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088389184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:40:19,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:40:19,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:40:19,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828944217] [2021-11-07 15:40:19,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:40:19,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:40:19,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:40:19,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:40:19,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:40:19,362 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) [2021-11-07 15:40:19,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:40:19,592 INFO L93 Difference]: Finished difference Result 12794 states and 17435 transitions. [2021-11-07 15:40:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:40:19,592 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 [2021-11-07 15:40:19,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:40:19,641 INFO L225 Difference]: With dead ends: 12794 [2021-11-07 15:40:19,641 INFO L226 Difference]: Without dead ends: 7676 [2021-11-07 15:40:19,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.56ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:40:19,674 INFO L933 BasicCegarLoop]: 9493 mSDtfsCounter, 3639 mSDsluCounter, 6697 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3721 SdHoareTripleChecker+Valid, 16190 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.62ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.70ms IncrementalHoareTripleChecker+Time [2021-11-07 15:40:19,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3721 Valid, 16190 Invalid, 9 Unknown, 0 Unchecked, 26.62ms Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 15.70ms Time] [2021-11-07 15:40:19,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7676 states. [2021-11-07 15:40:19,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7676 to 5145. [2021-11-07 15:40:19,860 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) [2021-11-07 15:40:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 5145 states and 7007 transitions. [2021-11-07 15:40:19,884 INFO L78 Accepts]: Start accepts. Automaton has 5145 states and 7007 transitions. Word has length 47 [2021-11-07 15:40:19,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:40:19,885 INFO L470 AbstractCegarLoop]: Abstraction has 5145 states and 7007 transitions. [2021-11-07 15:40:19,886 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) [2021-11-07 15:40:19,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 7007 transitions. [2021-11-07 15:40:19,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 15:40:19,888 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:40:19,889 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:40:19,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 15:40:19,889 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)] === [2021-11-07 15:40:19,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:40:19,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1738331337, now seen corresponding path program 1 times [2021-11-07 15:40:19,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:40:19,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298534623] [2021-11-07 15:40:19,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:40:19,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:40:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:40:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:40:20,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:40:20,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298534623] [2021-11-07 15:40:20,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298534623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:40:20,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:40:20,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:40:20,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335445544] [2021-11-07 15:40:20,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:40:20,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:40:20,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:40:20,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:40:20,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:40:20,389 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) [2021-11-07 15:40:21,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:40:21,299 INFO L93 Difference]: Finished difference Result 8470 states and 11713 transitions. [2021-11-07 15:40:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:40:21,300 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 [2021-11-07 15:40:21,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:40:21,344 INFO L225 Difference]: With dead ends: 8470 [2021-11-07 15:40:21,344 INFO L226 Difference]: Without dead ends: 8414 [2021-11-07 15:40:21,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.38ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:40:21,354 INFO L933 BasicCegarLoop]: 7631 mSDtfsCounter, 6378 mSDsluCounter, 4778 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 573.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6378 SdHoareTripleChecker+Valid, 12409 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.94ms SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 687.37ms IncrementalHoareTripleChecker+Time [2021-11-07 15:40:21,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6378 Valid, 12409 Invalid, 433 Unknown, 0 Unchecked, 27.94ms Time], IncrementalHoareTripleChecker [191 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 687.37ms Time] [2021-11-07 15:40:21,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8414 states. [2021-11-07 15:40:21,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8414 to 8347. [2021-11-07 15:40:21,553 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) [2021-11-07 15:40:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8347 states to 8347 states and 11564 transitions. [2021-11-07 15:40:21,586 INFO L78 Accepts]: Start accepts. Automaton has 8347 states and 11564 transitions. Word has length 47 [2021-11-07 15:40:21,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:40:21,586 INFO L470 AbstractCegarLoop]: Abstraction has 8347 states and 11564 transitions. [2021-11-07 15:40:21,587 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) [2021-11-07 15:40:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 8347 states and 11564 transitions. [2021-11-07 15:40:21,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 15:40:21,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:40:21,592 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:40:21,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 15:40:21,592 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)] === [2021-11-07 15:40:21,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:40:21,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1290968370, now seen corresponding path program 1 times [2021-11-07 15:40:21,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:40:21,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925639121] [2021-11-07 15:40:21,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:40:21,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:40:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:40:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:40:21,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:40:21,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925639121] [2021-11-07 15:40:21,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925639121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:40:21,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:40:21,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 15:40:21,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734977158] [2021-11-07 15:40:21,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:40:21,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 15:40:21,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:40:21,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 15:40:21,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:40:21,951 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) [2021-11-07 15:40:24,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:40:28,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:40:28,316 INFO L93 Difference]: Finished difference Result 40814 states and 57124 transitions. [2021-11-07 15:40:28,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:40:28,317 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 [2021-11-07 15:40:28,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:40:28,490 INFO L225 Difference]: With dead ends: 40814 [2021-11-07 15:40:28,491 INFO L226 Difference]: Without dead ends: 32492 [2021-11-07 15:40:28,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 9.87ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:40:28,553 INFO L933 BasicCegarLoop]: 7942 mSDtfsCounter, 20199 mSDsluCounter, 39760 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4868.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20199 SdHoareTripleChecker+Valid, 47702 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 89.84ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5366.39ms IncrementalHoareTripleChecker+Time [2021-11-07 15:40:28,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20199 Valid, 47702 Invalid, 1307 Unknown, 0 Unchecked, 89.84ms Time], IncrementalHoareTripleChecker [18 Valid, 1288 Invalid, 1 Unknown, 0 Unchecked, 5366.39ms Time] [2021-11-07 15:40:28,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32492 states. [2021-11-07 15:40:29,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32492 to 32253. [2021-11-07 15:40:29,444 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) [2021-11-07 15:40:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32253 states to 32253 states and 45403 transitions. [2021-11-07 15:40:29,635 INFO L78 Accepts]: Start accepts. Automaton has 32253 states and 45403 transitions. Word has length 65 [2021-11-07 15:40:29,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:40:29,635 INFO L470 AbstractCegarLoop]: Abstraction has 32253 states and 45403 transitions. [2021-11-07 15:40:29,636 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) [2021-11-07 15:40:29,636 INFO L276 IsEmpty]: Start isEmpty. Operand 32253 states and 45403 transitions. [2021-11-07 15:40:29,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-07 15:40:29,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:40:29,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:40:29,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 15:40:29,643 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)] === [2021-11-07 15:40:29,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:40:29,644 INFO L85 PathProgramCache]: Analyzing trace with hash 231355082, now seen corresponding path program 1 times [2021-11-07 15:40:29,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:40:29,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470998913] [2021-11-07 15:40:29,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:40:29,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:40:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:40:30,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:40:30,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:40:30,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470998913] [2021-11-07 15:40:30,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470998913] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:40:30,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:40:30,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 15:40:30,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209268888] [2021-11-07 15:40:30,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:40:30,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 15:40:30,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:40:30,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 15:40:30,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:40:30,089 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) [2021-11-07 15:40:32,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:40:33,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:40:33,926 INFO L93 Difference]: Finished difference Result 64465 states and 90745 transitions. [2021-11-07 15:40:33,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 15:40:33,927 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 [2021-11-07 15:40:33,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:40:34,092 INFO L225 Difference]: With dead ends: 64465 [2021-11-07 15:40:34,093 INFO L226 Difference]: Without dead ends: 32237 [2021-11-07 15:40:34,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 17.69ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:40:34,248 INFO L933 BasicCegarLoop]: 6990 mSDtfsCounter, 20139 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 780 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2823.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20139 SdHoareTripleChecker+Valid, 7015 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.97ms SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3046.07ms IncrementalHoareTripleChecker+Time [2021-11-07 15:40:34,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20139 Valid, 7015 Invalid, 783 Unknown, 0 Unchecked, 21.97ms Time], IncrementalHoareTripleChecker [780 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3046.07ms Time] [2021-11-07 15:40:34,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32237 states. [2021-11-07 15:40:35,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32237 to 32237. [2021-11-07 15:40:35,547 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) [2021-11-07 15:40:35,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45353 transitions. [2021-11-07 15:40:35,706 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45353 transitions. Word has length 68 [2021-11-07 15:40:35,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:40:35,707 INFO L470 AbstractCegarLoop]: Abstraction has 32237 states and 45353 transitions. [2021-11-07 15:40:35,707 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) [2021-11-07 15:40:35,707 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45353 transitions. [2021-11-07 15:40:35,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 15:40:35,715 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:40:35,715 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:40:35,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 15:40:35,716 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)] === [2021-11-07 15:40:35,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:40:35,717 INFO L85 PathProgramCache]: Analyzing trace with hash -688623935, now seen corresponding path program 1 times [2021-11-07 15:40:35,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:40:35,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194270117] [2021-11-07 15:40:35,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:40:35,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:40:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:40:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:40:36,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:40:36,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194270117] [2021-11-07 15:40:36,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194270117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:40:36,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:40:36,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:40:36,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158100285] [2021-11-07 15:40:36,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:40:36,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:40:36,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:40:36,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:40:36,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:40:36,181 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) [2021-11-07 15:40:38,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:40:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:40:39,684 INFO L93 Difference]: Finished difference Result 88099 states and 124814 transitions. [2021-11-07 15:40:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:40:39,685 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 [2021-11-07 15:40:39,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:40:39,930 INFO L225 Difference]: With dead ends: 88099 [2021-11-07 15:40:39,930 INFO L226 Difference]: Without dead ends: 55887 [2021-11-07 15:40:40,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.82ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:40:40,068 INFO L933 BasicCegarLoop]: 7213 mSDtfsCounter, 6768 mSDsluCounter, 5680 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2147.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6768 SdHoareTripleChecker+Valid, 12893 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.72ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2232.22ms IncrementalHoareTripleChecker+Time [2021-11-07 15:40:40,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6768 Valid, 12893 Invalid, 13 Unknown, 0 Unchecked, 13.72ms Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 2232.22ms Time] [2021-11-07 15:40:40,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55887 states. [2021-11-07 15:40:41,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55887 to 55855. [2021-11-07 15:40:41,699 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) [2021-11-07 15:40:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55855 states to 55855 states and 79448 transitions. [2021-11-07 15:40:42,312 INFO L78 Accepts]: Start accepts. Automaton has 55855 states and 79448 transitions. Word has length 81 [2021-11-07 15:40:42,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:40:42,313 INFO L470 AbstractCegarLoop]: Abstraction has 55855 states and 79448 transitions. [2021-11-07 15:40:42,313 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) [2021-11-07 15:40:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 55855 states and 79448 transitions. [2021-11-07 15:40:42,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-07 15:40:42,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:40:42,324 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:40:42,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 15:40:42,325 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)] === [2021-11-07 15:40:42,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:40:42,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1005049575, now seen corresponding path program 1 times [2021-11-07 15:40:42,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:40:42,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170142108] [2021-11-07 15:40:42,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:40:42,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:40:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:40:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:40:42,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:40:42,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170142108] [2021-11-07 15:40:42,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170142108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:40:42,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:40:42,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:40:42,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978544396] [2021-11-07 15:40:42,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:40:42,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:40:42,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:40:42,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:40:42,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:40:42,904 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) [2021-11-07 15:40:45,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:40:45,875 INFO L93 Difference]: Finished difference Result 165387 states and 235386 transitions. [2021-11-07 15:40:45,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:40:45,875 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 [2021-11-07 15:40:45,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:40:46,644 INFO L225 Difference]: With dead ends: 165387 [2021-11-07 15:40:46,645 INFO L226 Difference]: Without dead ends: 109557 [2021-11-07 15:40:47,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.54ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:40:47,006 INFO L933 BasicCegarLoop]: 8191 mSDtfsCounter, 6761 mSDsluCounter, 6959 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 145.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6761 SdHoareTripleChecker+Valid, 15150 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.12ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 170.20ms IncrementalHoareTripleChecker+Time [2021-11-07 15:40:47,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6761 Valid, 15150 Invalid, 8 Unknown, 0 Unchecked, 20.12ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 170.20ms Time] [2021-11-07 15:40:47,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109557 states. [2021-11-07 15:40:50,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109557 to 109507. [2021-11-07 15:40:50,677 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) [2021-11-07 15:40:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109507 states to 109507 states and 155924 transitions. [2021-11-07 15:40:51,391 INFO L78 Accepts]: Start accepts. Automaton has 109507 states and 155924 transitions. Word has length 86 [2021-11-07 15:40:51,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:40:51,392 INFO L470 AbstractCegarLoop]: Abstraction has 109507 states and 155924 transitions. [2021-11-07 15:40:51,393 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) [2021-11-07 15:40:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 109507 states and 155924 transitions. [2021-11-07 15:40:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-07 15:40:51,419 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:40:51,419 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:40:51,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 15:40:51,419 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)] === [2021-11-07 15:40:51,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:40:51,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1574416887, now seen corresponding path program 1 times [2021-11-07 15:40:51,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:40:51,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149711269] [2021-11-07 15:40:51,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:40:51,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:40:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:40:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-07 15:40:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:40:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:40:52,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:40:52,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149711269] [2021-11-07 15:40:52,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149711269] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:40:52,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:40:52,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 15:40:52,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962361412] [2021-11-07 15:40:52,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:40:52,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:40:52,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:40:52,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:40:52,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:40:52,169 INFO L87 Difference]: Start difference. First operand 109507 states and 155924 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-07 15:40:54,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:40:56,448 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:40:58,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 15:41:12,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:41:12,430 INFO L93 Difference]: Finished difference Result 322799 states and 461134 transitions. [2021-11-07 15:41:12,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:41:12,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 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 107 [2021-11-07 15:41:12,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:41:13,308 INFO L225 Difference]: With dead ends: 322799 [2021-11-07 15:41:13,308 INFO L226 Difference]: Without dead ends: 213317 [2021-11-07 15:41:13,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.33ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:41:13,706 INFO L933 BasicCegarLoop]: 8415 mSDtfsCounter, 6789 mSDsluCounter, 12688 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 409 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13381.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6836 SdHoareTripleChecker+Valid, 21103 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 74.89ms SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14532.26ms IncrementalHoareTripleChecker+Time [2021-11-07 15:41:13,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6836 Valid, 21103 Invalid, 2864 Unknown, 0 Unchecked, 74.89ms Time], IncrementalHoareTripleChecker [409 Valid, 2452 Invalid, 3 Unknown, 0 Unchecked, 14532.26ms Time] [2021-11-07 15:41:13,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213317 states. [2021-11-07 15:41:19,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213317 to 211867. [2021-11-07 15:41:20,079 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) [2021-11-07 15:41:21,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211867 states to 211867 states and 302936 transitions. [2021-11-07 15:41:21,611 INFO L78 Accepts]: Start accepts. Automaton has 211867 states and 302936 transitions. Word has length 107 [2021-11-07 15:41:21,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:41:21,611 INFO L470 AbstractCegarLoop]: Abstraction has 211867 states and 302936 transitions. [2021-11-07 15:41:21,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-07 15:41:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 211867 states and 302936 transitions. [2021-11-07 15:41:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-07 15:41:21,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:41:21,654 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:41:21,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 15:41:21,655 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)] === [2021-11-07 15:41:21,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:41:21,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1313096634, now seen corresponding path program 1 times [2021-11-07 15:41:21,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:41:21,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488183355] [2021-11-07 15:41:21,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:41:21,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:41:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:41:22,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:41:22,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:41:22,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488183355] [2021-11-07 15:41:22,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488183355] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:41:22,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:41:22,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 15:41:22,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849907332] [2021-11-07 15:41:22,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:41:22,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 15:41:22,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:41:22,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 15:41:22,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:41:22,815 INFO L87 Difference]: Start difference. First operand 211867 states and 302936 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:41:24,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []