./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 c36dfa3b 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-c36dfa3 [2021-11-04 07:46:26,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 07:46:26,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 07:46:26,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 07:46:26,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 07:46:26,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 07:46:26,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 07:46:26,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 07:46:26,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 07:46:26,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 07:46:26,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 07:46:26,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 07:46:26,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 07:46:26,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 07:46:26,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 07:46:26,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 07:46:26,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 07:46:26,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 07:46:26,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 07:46:26,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 07:46:26,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 07:46:26,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 07:46:26,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 07:46:26,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 07:46:26,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 07:46:26,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 07:46:26,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 07:46:26,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 07:46:26,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 07:46:26,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 07:46:26,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 07:46:26,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 07:46:26,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 07:46:26,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 07:46:26,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 07:46:26,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 07:46:26,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 07:46:26,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 07:46:26,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 07:46:26,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 07:46:26,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 07:46:26,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 07:46:26,139 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 07:46:26,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 07:46:26,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 07:46:26,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 07:46:26,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 07:46:26,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 07:46:26,144 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 07:46:26,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 07:46:26,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 07:46:26,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 07:46:26,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 07:46:26,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 07:46:26,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 07:46:26,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 07:46:26,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 07:46:26,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 07:46:26,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 07:46:26,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 07:46:26,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 07:46:26,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 07:46:26,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 07:46:26,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 07:46:26,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 07:46:26,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 07:46:26,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 07:46:26,147 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 07:46:26,147 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 07:46:26,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 07:46:26,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 07:46:26,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2021-11-04 07:46:26,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 07:46:26,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 07:46:26,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 07:46:26,366 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 07:46:26,367 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 07:46:26,368 INFO L432 ainManager$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 [2021-11-04 07:46:26,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43151bc5/b79259623c1b4ef0ae55cc5b2679022e/FLAGdb45fb281 [2021-11-04 07:46:26,958 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 07:46:26,959 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 [2021-11-04 07:46:27,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43151bc5/b79259623c1b4ef0ae55cc5b2679022e/FLAGdb45fb281 [2021-11-04 07:46:27,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43151bc5/b79259623c1b4ef0ae55cc5b2679022e [2021-11-04 07:46:27,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 07:46:27,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 07:46:27,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 07:46:27,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 07:46:27,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 07:46:27,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 07:46:27" (1/1) ... [2021-11-04 07:46:27,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49930da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:27, skipping insertion in model container [2021-11-04 07:46:27,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 07:46:27" (1/1) ... [2021-11-04 07:46:27,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 07:46:27,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 07:46:28,972 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] [2021-11-04 07:46:29,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 07:46:29,078 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 07:46:29,351 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] [2021-11-04 07:46:29,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 07:46:29,452 INFO L208 MainTranslator]: Completed translation [2021-11-04 07:46:29,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29 WrapperNode [2021-11-04 07:46:29,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 07:46:29,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 07:46:29,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 07:46:29,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 07:46:29,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29" (1/1) ... [2021-11-04 07:46:29,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29" (1/1) ... [2021-11-04 07:46:30,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 07:46:30,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 07:46:30,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 07:46:30,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 07:46:30,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29" (1/1) ... [2021-11-04 07:46:30,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29" (1/1) ... [2021-11-04 07:46:30,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29" (1/1) ... [2021-11-04 07:46:30,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29" (1/1) ... [2021-11-04 07:46:30,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29" (1/1) ... [2021-11-04 07:46:30,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29" (1/1) ... [2021-11-04 07:46:30,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29" (1/1) ... [2021-11-04 07:46:30,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 07:46:30,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 07:46:30,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 07:46:30,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 07:46:30,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29" (1/1) ... [2021-11-04 07:46:30,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 07:46:30,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 07:46:31,002 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) [2021-11-04 07:46:31,008 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 [2021-11-04 07:46:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-04 07:46:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2021-11-04 07:46:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2021-11-04 07:46:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2021-11-04 07:46:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2021-11-04 07:46:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 07:46:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 07:46:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2021-11-04 07:46:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2021-11-04 07:46:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-04 07:46:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2021-11-04 07:46:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2021-11-04 07:46:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2021-11-04 07:46:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2021-11-04 07:46:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2021-11-04 07:46:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2021-11-04 07:46:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2021-11-04 07:46:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2021-11-04 07:46:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2021-11-04 07:46:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2021-11-04 07:46:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 07:46:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2021-11-04 07:46:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2021-11-04 07:46:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2021-11-04 07:46:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2021-11-04 07:46:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 07:46:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-04 07:46:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2021-11-04 07:46:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2021-11-04 07:46:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2021-11-04 07:46:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2021-11-04 07:46:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 07:46:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2021-11-04 07:46:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2021-11-04 07:46:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 07:46:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2021-11-04 07:46:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2021-11-04 07:46:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2021-11-04 07:46:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2021-11-04 07:46:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2021-11-04 07:46:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2021-11-04 07:46:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2021-11-04 07:46:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2021-11-04 07:46:31,033 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2021-11-04 07:46:31,034 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2021-11-04 07:46:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2021-11-04 07:46:31,034 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2021-11-04 07:46:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 07:46:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2021-11-04 07:46:31,034 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2021-11-04 07:46:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2021-11-04 07:46:31,034 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2021-11-04 07:46:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2021-11-04 07:46:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2021-11-04 07:46:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 07:46:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 07:46:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2021-11-04 07:46:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2021-11-04 07:46:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2021-11-04 07:46:31,035 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2021-11-04 07:46:31,035 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2021-11-04 07:46:31,036 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2021-11-04 07:46:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2021-11-04 07:46:31,036 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2021-11-04 07:46:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 07:46:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2021-11-04 07:46:31,036 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2021-11-04 07:46:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 07:46:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2021-11-04 07:46:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2021-11-04 07:46:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2021-11-04 07:46:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2021-11-04 07:46:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2021-11-04 07:46:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2021-11-04 07:46:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2021-11-04 07:46:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2021-11-04 07:46:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 07:46:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 07:46:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 07:46:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 07:46:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-04 07:46:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-04 07:46:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2021-11-04 07:46:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2021-11-04 07:46:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-04 07:46:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-04 07:46:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 07:46:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-04 07:46:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-04 07:46:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 07:46:31,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 07:47:12,789 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 07:47:12,790 INFO L299 CfgBuilder]: Removed 5760 assume(true) statements. [2021-11-04 07:47:12,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 07:47:12 BoogieIcfgContainer [2021-11-04 07:47:12,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 07:47:12,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 07:47:12,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 07:47:12,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 07:47:12,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 07:46:27" (1/3) ... [2021-11-04 07:47:12,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72428bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 07:47:12, skipping insertion in model container [2021-11-04 07:47:12,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 07:46:29" (2/3) ... [2021-11-04 07:47:12,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72428bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 07:47:12, skipping insertion in model container [2021-11-04 07:47:12,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 07:47:12" (3/3) ... [2021-11-04 07:47:12,808 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-04 07:47:12,814 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 07:47:12,814 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-04 07:47:12,879 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 07:47:12,886 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 [2021-11-04 07:47:12,886 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-04 07:47:12,958 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) [2021-11-04 07:47:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-04 07:47:12,969 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:47:12,969 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] [2021-11-04 07:47:12,970 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)] === [2021-11-04 07:47:12,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:47:12,974 INFO L85 PathProgramCache]: Analyzing trace with hash -409329818, now seen corresponding path program 1 times [2021-11-04 07:47:12,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:47:12,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058430062] [2021-11-04 07:47:12,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:47:12,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:47:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:47:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 07:47:13,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:47:13,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058430062] [2021-11-04 07:47:13,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058430062] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:47:13,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:47:13,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 07:47:13,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078514795] [2021-11-04 07:47:13,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:47:13,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-04 07:47:13,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:47:13,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-04 07:47:13,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 07:47:13,742 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) [2021-11-04 07:47:15,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:47:18,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:47:25,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:47:25,974 INFO L93 Difference]: Finished difference Result 10452 states and 14751 transitions. [2021-11-04 07:47:25,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-04 07:47:25,977 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 [2021-11-04 07:47:25,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:47:26,019 INFO L225 Difference]: With dead ends: 10452 [2021-11-04 07:47:26,019 INFO L226 Difference]: Without dead ends: 5142 [2021-11-04 07:47:26,056 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 [2021-11-04 07:47:26,061 INFO L933 BasicCegarLoop]: 460 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6697 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10415.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 6699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6697 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11812.06ms IncrementalHoareTripleChecker+Time [2021-11-04 07:47:26,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 460 Invalid, 6699 Unknown, 0 Unchecked, 18.01ms Time], IncrementalHoareTripleChecker [0 Valid, 6697 Invalid, 2 Unknown, 0 Unchecked, 11812.06ms Time] [2021-11-04 07:47:26,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5142 states. [2021-11-04 07:47:26,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5142 to 5142. [2021-11-04 07:47:26,242 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) [2021-11-04 07:47:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 7003 transitions. [2021-11-04 07:47:26,267 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 7003 transitions. Word has length 38 [2021-11-04 07:47:26,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:47:26,267 INFO L470 AbstractCegarLoop]: Abstraction has 5142 states and 7003 transitions. [2021-11-04 07:47:26,267 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) [2021-11-04 07:47:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 7003 transitions. [2021-11-04 07:47:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-04 07:47:26,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:47:26,273 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] [2021-11-04 07:47:26,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 07:47:26,274 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)] === [2021-11-04 07:47:26,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:47:26,276 INFO L85 PathProgramCache]: Analyzing trace with hash -433945746, now seen corresponding path program 1 times [2021-11-04 07:47:26,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:47:26,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792065727] [2021-11-04 07:47:26,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:47:26,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:47:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:47:26,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 07:47:26,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:47:26,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792065727] [2021-11-04 07:47:26,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792065727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:47:26,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:47:26,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:47:26,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912683345] [2021-11-04 07:47:26,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:47:26,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:47:26,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:47:26,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:47:26,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:47:26,642 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) [2021-11-04 07:47:28,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:47:31,138 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:47:43,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:47:43,944 INFO L93 Difference]: Finished difference Result 10269 states and 13995 transitions. [2021-11-04 07:47:43,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:47:43,944 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 [2021-11-04 07:47:43,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:47:43,965 INFO L225 Difference]: With dead ends: 10269 [2021-11-04 07:47:43,966 INFO L226 Difference]: Without dead ends: 5147 [2021-11-04 07:47:43,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:47:43,982 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 0 mSDsluCounter, 6959 mSDsCounter, 0 mSdLazyCounter, 13215 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15088.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 13225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.96ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13215 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16894.88ms IncrementalHoareTripleChecker+Time [2021-11-04 07:47:43,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 782 Invalid, 13225 Unknown, 0 Unchecked, 40.96ms Time], IncrementalHoareTripleChecker [8 Valid, 13215 Invalid, 2 Unknown, 0 Unchecked, 16894.88ms Time] [2021-11-04 07:47:43,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5147 states. [2021-11-04 07:47:44,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5147 to 5147. [2021-11-04 07:47:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5147 states, 4887 states have (on average 1.354000409249028) internal successors, (6617), 4976 states have internal predecessors, (6617), 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) [2021-11-04 07:47:44,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5147 states to 5147 states and 7008 transitions. [2021-11-04 07:47:44,088 INFO L78 Accepts]: Start accepts. Automaton has 5147 states and 7008 transitions. Word has length 38 [2021-11-04 07:47:44,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:47:44,088 INFO L470 AbstractCegarLoop]: Abstraction has 5147 states and 7008 transitions. [2021-11-04 07:47:44,089 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) [2021-11-04 07:47:44,089 INFO L276 IsEmpty]: Start isEmpty. Operand 5147 states and 7008 transitions. [2021-11-04 07:47:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-04 07:47:44,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:47:44,090 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] [2021-11-04 07:47:44,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 07:47:44,090 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)] === [2021-11-04 07:47:44,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:47:44,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1280124176, now seen corresponding path program 1 times [2021-11-04 07:47:44,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:47:44,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694112282] [2021-11-04 07:47:44,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:47:44,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:47:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:47:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:47:44,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:47:44,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694112282] [2021-11-04 07:47:44,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694112282] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:47:44,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:47:44,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:47:44,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926869977] [2021-11-04 07:47:44,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:47:44,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:47:44,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:47:44,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:47:44,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:47:44,453 INFO L87 Difference]: Start difference. First operand 5147 states and 7008 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-11-04 07:47:46,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:47:48,982 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:47:57,225 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 [] [2021-11-04 07:48:08,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:48:08,348 INFO L93 Difference]: Finished difference Result 12084 states and 16512 transitions. [2021-11-04 07:48:08,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:48:08,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 40 [2021-11-04 07:48:08,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:48:08,381 INFO L225 Difference]: With dead ends: 12084 [2021-11-04 07:48:08,381 INFO L226 Difference]: Without dead ends: 6964 [2021-11-04 07:48:08,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.90ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:48:08,401 INFO L933 BasicCegarLoop]: 513 mSDtfsCounter, 2395 mSDsluCounter, 7041 mSDsCounter, 0 mSdLazyCounter, 15574 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20949.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 15577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15574 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23488.08ms IncrementalHoareTripleChecker+Time [2021-11-04 07:48:08,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2457 Valid, 964 Invalid, 15577 Unknown, 0 Unchecked, 41.15ms Time], IncrementalHoareTripleChecker [0 Valid, 15574 Invalid, 3 Unknown, 0 Unchecked, 23488.08ms Time] [2021-11-04 07:48:08,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2021-11-04 07:48:08,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 5148. [2021-11-04 07:48:08,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5148 states, 4888 states have (on average 1.3539279869067102) internal successors, (6618), 4977 states have internal predecessors, (6618), 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) [2021-11-04 07:48:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 7009 transitions. [2021-11-04 07:48:08,545 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 7009 transitions. Word has length 40 [2021-11-04 07:48:08,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:48:08,546 INFO L470 AbstractCegarLoop]: Abstraction has 5148 states and 7009 transitions. [2021-11-04 07:48:08,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-11-04 07:48:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 7009 transitions. [2021-11-04 07:48:08,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-04 07:48:08,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:48:08,553 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] [2021-11-04 07:48:08,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 07:48:08,553 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)] === [2021-11-04 07:48:08,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:48:08,554 INFO L85 PathProgramCache]: Analyzing trace with hash 203846839, now seen corresponding path program 1 times [2021-11-04 07:48:08,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:48:08,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487759147] [2021-11-04 07:48:08,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:48:08,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:48:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:48:08,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:48:08,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:48:08,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487759147] [2021-11-04 07:48:08,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487759147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:48:08,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:48:08,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:48:08,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590713687] [2021-11-04 07:48:08,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:48:08,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:48:08,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:48:08,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:48:08,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:48:08,874 INFO L87 Difference]: Start difference. First operand 5148 states and 7009 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-11-04 07:48:10,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:48:13,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:48:23,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:48:35,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:48:35,747 INFO L93 Difference]: Finished difference Result 12799 states and 17436 transitions. [2021-11-04 07:48:35,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:48:35,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-04 07:48:35,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:48:35,779 INFO L225 Difference]: With dead ends: 12799 [2021-11-04 07:48:35,780 INFO L226 Difference]: Without dead ends: 7678 [2021-11-04 07:48:35,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:48:35,899 INFO L933 BasicCegarLoop]: 530 mSDtfsCounter, 3630 mSDsluCounter, 6697 mSDsCounter, 0 mSdLazyCounter, 15240 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23424.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3711 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 15244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 38.75ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15240 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26388.15ms IncrementalHoareTripleChecker+Time [2021-11-04 07:48:35,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3711 Valid, 979 Invalid, 15244 Unknown, 0 Unchecked, 38.75ms Time], IncrementalHoareTripleChecker [1 Valid, 15240 Invalid, 3 Unknown, 0 Unchecked, 26388.15ms Time] [2021-11-04 07:48:35,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7678 states. [2021-11-04 07:48:35,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7678 to 5150. [2021-11-04 07:48:36,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5150 states, 4890 states have (on average 1.3539877300613496) internal successors, (6621), 4979 states have internal predecessors, (6621), 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) [2021-11-04 07:48:36,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 7012 transitions. [2021-11-04 07:48:36,017 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 7012 transitions. Word has length 49 [2021-11-04 07:48:36,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:48:36,019 INFO L470 AbstractCegarLoop]: Abstraction has 5150 states and 7012 transitions. [2021-11-04 07:48:36,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-11-04 07:48:36,019 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 7012 transitions. [2021-11-04 07:48:36,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-04 07:48:36,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:48:36,021 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] [2021-11-04 07:48:36,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 07:48:36,021 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-04 07:48:36,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:48:36,022 INFO L85 PathProgramCache]: Analyzing trace with hash 261105141, now seen corresponding path program 1 times [2021-11-04 07:48:36,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:48:36,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426211383] [2021-11-04 07:48:36,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:48:36,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:48:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:48:36,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:48:36,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:48:36,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426211383] [2021-11-04 07:48:36,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426211383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:48:36,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:48:36,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 07:48:36,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943325368] [2021-11-04 07:48:36,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:48:36,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:48:36,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:48:36,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:48:36,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:48:36,337 INFO L87 Difference]: Start difference. First operand 5150 states and 7012 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 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) [2021-11-04 07:48:38,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:48:40,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:48:58,917 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 [] [2021-11-04 07:49:02,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:49:02,040 INFO L93 Difference]: Finished difference Result 8478 states and 11721 transitions. [2021-11-04 07:49:02,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:49:02,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 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 49 [2021-11-04 07:49:02,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:49:02,075 INFO L225 Difference]: With dead ends: 8478 [2021-11-04 07:49:02,076 INFO L226 Difference]: Without dead ends: 8422 [2021-11-04 07:49:02,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:49:02,083 INFO L933 BasicCegarLoop]: 632 mSDtfsCounter, 6376 mSDsluCounter, 4777 mSDsCounter, 0 mSdLazyCounter, 11734 mSolverCounterSat, 191 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22404.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6376 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 11928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.55ms SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 11734 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25256.84ms IncrementalHoareTripleChecker+Time [2021-11-04 07:49:02,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6376 Valid, 905 Invalid, 11928 Unknown, 0 Unchecked, 35.55ms Time], IncrementalHoareTripleChecker [191 Valid, 11734 Invalid, 3 Unknown, 0 Unchecked, 25256.84ms Time] [2021-11-04 07:49:02,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8422 states. [2021-11-04 07:49:02,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8422 to 8355. [2021-11-04 07:49:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8355 states, 7964 states have (on average 1.359492717227524) internal successors, (10827), 8078 states have internal predecessors, (10827), 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) [2021-11-04 07:49:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8355 states to 8355 states and 11572 transitions. [2021-11-04 07:49:02,271 INFO L78 Accepts]: Start accepts. Automaton has 8355 states and 11572 transitions. Word has length 49 [2021-11-04 07:49:02,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:49:02,272 INFO L470 AbstractCegarLoop]: Abstraction has 8355 states and 11572 transitions. [2021-11-04 07:49:02,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 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) [2021-11-04 07:49:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 8355 states and 11572 transitions. [2021-11-04 07:49:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-04 07:49:02,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:49:02,278 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] [2021-11-04 07:49:02,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 07:49:02,278 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)] === [2021-11-04 07:49:02,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:49:02,279 INFO L85 PathProgramCache]: Analyzing trace with hash -653679504, now seen corresponding path program 1 times [2021-11-04 07:49:02,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:49:02,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020238918] [2021-11-04 07:49:02,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:49:02,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:49:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:49:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:49:02,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:49:02,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020238918] [2021-11-04 07:49:02,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020238918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:49:02,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:49:02,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-04 07:49:02,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172785403] [2021-11-04 07:49:02,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:49:02,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-04 07:49:02,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:49:02,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-04 07:49:02,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-04 07:49:02,643 INFO L87 Difference]: Start difference. First operand 8355 states and 11572 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 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) [2021-11-04 07:49:04,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:49:07,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:49:25,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:49:56,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:49:56,462 INFO L93 Difference]: Finished difference Result 32053 states and 45024 transitions. [2021-11-04 07:49:56,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-04 07:49:56,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 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 67 [2021-11-04 07:49:56,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:49:56,534 INFO L225 Difference]: With dead ends: 32053 [2021-11-04 07:49:56,535 INFO L226 Difference]: Without dead ends: 23725 [2021-11-04 07:49:56,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 62.07ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-04 07:49:56,570 INFO L933 BasicCegarLoop]: 796 mSDtfsCounter, 24018 mSDsluCounter, 25782 mSDsCounter, 0 mSdLazyCounter, 34319 mSolverCounterSat, 723 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46438.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24071 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 35045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 135.28ms SdHoareTripleChecker+Time, 723 IncrementalHoareTripleChecker+Valid, 34319 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52616.83ms IncrementalHoareTripleChecker+Time [2021-11-04 07:49:56,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24071 Valid, 1690 Invalid, 35045 Unknown, 0 Unchecked, 135.28ms Time], IncrementalHoareTripleChecker [723 Valid, 34319 Invalid, 3 Unknown, 0 Unchecked, 52616.83ms Time] [2021-11-04 07:49:56,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23725 states. [2021-11-04 07:49:56,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23725 to 22475. [2021-11-04 07:49:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22475 states, 21412 states have (on average 1.369559125723893) internal successors, (29325), 21689 states have internal predecessors, (29325), 856 states have call successors, (856), 184 states have call predecessors, (856), 182 states have return successors, (1623), 739 states have call predecessors, (1623), 850 states have call successors, (1623) [2021-11-04 07:49:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22475 states to 22475 states and 31804 transitions. [2021-11-04 07:49:57,062 INFO L78 Accepts]: Start accepts. Automaton has 22475 states and 31804 transitions. Word has length 67 [2021-11-04 07:49:57,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:49:57,063 INFO L470 AbstractCegarLoop]: Abstraction has 22475 states and 31804 transitions. [2021-11-04 07:49:57,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 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) [2021-11-04 07:49:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 22475 states and 31804 transitions. [2021-11-04 07:49:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-04 07:49:57,068 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:49:57,068 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] [2021-11-04 07:49:57,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-04 07:49:57,069 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)] === [2021-11-04 07:49:57,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:49:57,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2040396492, now seen corresponding path program 1 times [2021-11-04 07:49:57,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:49:57,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171004512] [2021-11-04 07:49:57,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:49:57,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:49:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:49:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:49:57,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:49:57,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171004512] [2021-11-04 07:49:57,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171004512] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:49:57,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:49:57,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 07:49:57,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722939049] [2021-11-04 07:49:57,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:49:57,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 07:49:57,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:49:57,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 07:49:57,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:49:57,335 INFO L87 Difference]: Start difference. First operand 22475 states and 31804 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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) [2021-11-04 07:49:59,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:50:01,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:50:40,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:50:40,538 INFO L93 Difference]: Finished difference Result 82195 states and 117243 transitions. [2021-11-04 07:50:40,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 07:50:40,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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 70 [2021-11-04 07:50:40,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:50:40,754 INFO L225 Difference]: With dead ends: 82195 [2021-11-04 07:50:40,755 INFO L226 Difference]: Without dead ends: 59747 [2021-11-04 07:50:40,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 14.93ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:50:40,852 INFO L933 BasicCegarLoop]: 742 mSDtfsCounter, 16672 mSDsluCounter, 19274 mSDsCounter, 0 mSdLazyCounter, 25548 mSolverCounterSat, 352 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36521.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16672 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 25902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 75.46ms SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 25548 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41693.04ms IncrementalHoareTripleChecker+Time [2021-11-04 07:50:40,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16672 Valid, 1524 Invalid, 25902 Unknown, 0 Unchecked, 75.46ms Time], IncrementalHoareTripleChecker [352 Valid, 25548 Invalid, 2 Unknown, 0 Unchecked, 41693.04ms Time] [2021-11-04 07:50:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59747 states. [2021-11-04 07:50:42,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59747 to 59683. [2021-11-04 07:50:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59683 states, 56684 states have (on average 1.3843941853080235) internal successors, (78473), 57455 states have internal predecessors, (78473), 2428 states have call successors, (2428), 552 states have call predecessors, (2428), 546 states have return successors, (4517), 2081 states have call predecessors, (4517), 2410 states have call successors, (4517) [2021-11-04 07:50:42,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59683 states to 59683 states and 85418 transitions. [2021-11-04 07:50:42,446 INFO L78 Accepts]: Start accepts. Automaton has 59683 states and 85418 transitions. Word has length 70 [2021-11-04 07:50:42,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:50:42,446 INFO L470 AbstractCegarLoop]: Abstraction has 59683 states and 85418 transitions. [2021-11-04 07:50:42,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 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) [2021-11-04 07:50:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 59683 states and 85418 transitions. [2021-11-04 07:50:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-04 07:50:42,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:50:42,456 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] [2021-11-04 07:50:42,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-04 07:50:42,456 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)] === [2021-11-04 07:50:42,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:50:42,457 INFO L85 PathProgramCache]: Analyzing trace with hash -2092877313, now seen corresponding path program 1 times [2021-11-04 07:50:42,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:50:42,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286322641] [2021-11-04 07:50:42,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:50:42,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:50:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:50:42,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:50:42,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:50:42,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286322641] [2021-11-04 07:50:42,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286322641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:50:42,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:50:42,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:50:42,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156414787] [2021-11-04 07:50:42,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:50:42,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:50:42,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:50:42,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:50:42,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:50:42,684 INFO L87 Difference]: Start difference. First operand 59683 states and 85418 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-11-04 07:50:44,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:50:47,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:51:01,339 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 [] [2021-11-04 07:51:20,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:51:20,288 INFO L93 Difference]: Finished difference Result 173061 states and 248421 transitions. [2021-11-04 07:51:20,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:51:20,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 83 [2021-11-04 07:51:20,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:51:20,949 INFO L225 Difference]: With dead ends: 173061 [2021-11-04 07:51:20,950 INFO L226 Difference]: Without dead ends: 113405 [2021-11-04 07:51:21,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.08ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:51:21,260 INFO L933 BasicCegarLoop]: 593 mSDtfsCounter, 5475 mSDsluCounter, 6984 mSDsCounter, 0 mSdLazyCounter, 14341 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30500.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5475 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 14347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.14ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14341 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35061.55ms IncrementalHoareTripleChecker+Time [2021-11-04 07:51:21,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5475 Valid, 984 Invalid, 14347 Unknown, 0 Unchecked, 42.14ms Time], IncrementalHoareTripleChecker [3 Valid, 14341 Invalid, 3 Unknown, 0 Unchecked, 35061.55ms Time] [2021-11-04 07:51:21,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113405 states. [2021-11-04 07:51:23,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113405 to 113373. [2021-11-04 07:51:23,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113373 states, 107554 states have (on average 1.3902876694497648) internal successors, (149531), 109030 states have internal predecessors, (149531), 4702 states have call successors, (4702), 1104 states have call predecessors, (4702), 1092 states have return successors, (8729), 4037 states have call predecessors, (8729), 4684 states have call successors, (8729) [2021-11-04 07:51:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113373 states to 113373 states and 162962 transitions. [2021-11-04 07:51:24,435 INFO L78 Accepts]: Start accepts. Automaton has 113373 states and 162962 transitions. Word has length 83 [2021-11-04 07:51:24,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:51:24,435 INFO L470 AbstractCegarLoop]: Abstraction has 113373 states and 162962 transitions. [2021-11-04 07:51:24,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-11-04 07:51:24,436 INFO L276 IsEmpty]: Start isEmpty. Operand 113373 states and 162962 transitions. [2021-11-04 07:51:24,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-04 07:51:24,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:51:24,449 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] [2021-11-04 07:51:24,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-04 07:51:24,450 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)] === [2021-11-04 07:51:24,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:51:24,450 INFO L85 PathProgramCache]: Analyzing trace with hash 816734825, now seen corresponding path program 1 times [2021-11-04 07:51:24,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:51:24,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618242698] [2021-11-04 07:51:24,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:51:24,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:51:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:51:24,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:51:24,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:51:24,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618242698] [2021-11-04 07:51:24,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618242698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:51:24,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:51:24,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 07:51:24,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876619828] [2021-11-04 07:51:24,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:51:24,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 07:51:24,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:51:24,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 07:51:24,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:51:24,819 INFO L87 Difference]: Start difference. First operand 113373 states and 162962 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-11-04 07:51:26,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:51:29,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:51:41,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:52:03,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:52:03,520 INFO L93 Difference]: Finished difference Result 312354 states and 449319 transitions. [2021-11-04 07:52:03,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 07:52:03,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 88 [2021-11-04 07:52:03,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:52:04,447 INFO L225 Difference]: With dead ends: 312354 [2021-11-04 07:52:04,447 INFO L226 Difference]: Without dead ends: 199008 [2021-11-04 07:52:04,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 07:52:04,806 INFO L933 BasicCegarLoop]: 672 mSDtfsCounter, 5443 mSDsluCounter, 6987 mSDsCounter, 0 mSdLazyCounter, 16114 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29736.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5443 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 16118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.82ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16114 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34134.05ms IncrementalHoareTripleChecker+Time [2021-11-04 07:52:04,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5443 Valid, 1063 Invalid, 16118 Unknown, 0 Unchecked, 34.82ms Time], IncrementalHoareTripleChecker [1 Valid, 16114 Invalid, 3 Unknown, 0 Unchecked, 34134.05ms Time] [2021-11-04 07:52:04,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199008 states. [2021-11-04 07:52:09,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199008 to 198958. [2021-11-04 07:52:09,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198958 states, 188860 states have (on average 1.395282219633591) internal successors, (263513), 191399 states have internal predecessors, (263513), 8123 states have call successors, (8123), 1956 states have call predecessors, (8123), 1950 states have return successors, (14680), 7003 states have call predecessors, (14680), 8087 states have call successors, (14680) [2021-11-04 07:52:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198958 states to 198958 states and 286316 transitions. [2021-11-04 07:52:10,779 INFO L78 Accepts]: Start accepts. Automaton has 198958 states and 286316 transitions. Word has length 88 [2021-11-04 07:52:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:52:10,780 INFO L470 AbstractCegarLoop]: Abstraction has 198958 states and 286316 transitions. [2021-11-04 07:52:10,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2021-11-04 07:52:10,781 INFO L276 IsEmpty]: Start isEmpty. Operand 198958 states and 286316 transitions. [2021-11-04 07:52:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-04 07:52:10,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:52:10,801 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-04 07:52:10,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-04 07:52:10,802 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)] === [2021-11-04 07:52:10,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:52:10,802 INFO L85 PathProgramCache]: Analyzing trace with hash 2064993482, now seen corresponding path program 1 times [2021-11-04 07:52:10,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:52:10,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745167392] [2021-11-04 07:52:10,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:52:10,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:52:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:52:11,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:52:11,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:52:11,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745167392] [2021-11-04 07:52:11,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745167392] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:52:11,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:52:11,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-04 07:52:11,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880353394] [2021-11-04 07:52:11,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:52:11,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 07:52:11,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:52:11,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 07:52:11,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:52:11,095 INFO L87 Difference]: Start difference. First operand 198958 states and 286316 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2021-11-04 07:52:13,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:52:15,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:52:36,730 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 [] [2021-11-04 07:53:29,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:53:29,642 INFO L93 Difference]: Finished difference Result 469392 states and 674082 transitions. [2021-11-04 07:53:29,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-04 07:53:29,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 90 [2021-11-04 07:53:29,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:53:30,824 INFO L225 Difference]: With dead ends: 469392 [2021-11-04 07:53:30,824 INFO L226 Difference]: Without dead ends: 335198 [2021-11-04 07:53:31,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.11ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-04 07:53:31,363 INFO L933 BasicCegarLoop]: 734 mSDtfsCounter, 12253 mSDsluCounter, 28538 mSDsCounter, 0 mSdLazyCounter, 38328 mSolverCounterSat, 368 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60353.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12329 SdHoareTripleChecker+Valid, 2502 SdHoareTripleChecker+Invalid, 38699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 150.99ms SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 38328 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71138.56ms IncrementalHoareTripleChecker+Time [2021-11-04 07:53:31,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12329 Valid, 2502 Invalid, 38699 Unknown, 0 Unchecked, 150.99ms Time], IncrementalHoareTripleChecker [368 Valid, 38328 Invalid, 3 Unknown, 0 Unchecked, 71138.56ms Time] [2021-11-04 07:53:31,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335198 states. [2021-11-04 07:53:37,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335198 to 198970. [2021-11-04 07:53:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198970 states, 188872 states have (on average 1.3952571053411835) internal successors, (263525), 191411 states have internal predecessors, (263525), 8123 states have call successors, (8123), 1956 states have call predecessors, (8123), 1950 states have return successors, (14680), 7003 states have call predecessors, (14680), 8087 states have call successors, (14680) [2021-11-04 07:53:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198970 states to 198970 states and 286328 transitions. [2021-11-04 07:53:38,384 INFO L78 Accepts]: Start accepts. Automaton has 198970 states and 286328 transitions. Word has length 90 [2021-11-04 07:53:38,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 07:53:38,385 INFO L470 AbstractCegarLoop]: Abstraction has 198970 states and 286328 transitions. [2021-11-04 07:53:38,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2021-11-04 07:53:38,385 INFO L276 IsEmpty]: Start isEmpty. Operand 198970 states and 286328 transitions. [2021-11-04 07:53:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-04 07:53:38,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 07:53:38,405 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 07:53:38,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-04 07:53:38,406 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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)] === [2021-11-04 07:53:38,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 07:53:38,406 INFO L85 PathProgramCache]: Analyzing trace with hash 602092126, now seen corresponding path program 1 times [2021-11-04 07:53:38,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 07:53:38,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217502309] [2021-11-04 07:53:38,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 07:53:38,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 07:53:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:53:38,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-04 07:53:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 07:53:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 07:53:38,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 07:53:38,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217502309] [2021-11-04 07:53:38,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217502309] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 07:53:38,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 07:53:38,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 07:53:38,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108903269] [2021-11-04 07:53:38,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 07:53:38,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 07:53:38,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 07:53:38,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 07:53:38,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 07:53:38,636 INFO L87 Difference]: Start difference. First operand 198970 states and 286328 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 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) [2021-11-04 07:53:40,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 07:53:43,283 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 [] [2021-11-04 07:54:42,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 07:54:42,443 INFO L93 Difference]: Finished difference Result 579342 states and 836578 transitions. [2021-11-04 07:54:42,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 07:54:42,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 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 109 [2021-11-04 07:54:42,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 07:54:44,030 INFO L225 Difference]: With dead ends: 579342 [2021-11-04 07:54:44,030 INFO L226 Difference]: Without dead ends: 380399 [2021-11-04 07:54:44,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.44ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 07:54:44,852 INFO L933 BasicCegarLoop]: 672 mSDtfsCounter, 5386 mSDsluCounter, 13993 mSDsCounter, 0 mSdLazyCounter, 26265 mSolverCounterSat, 308 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46000.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5427 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 26575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 111.78ms SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 26265 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54256.08ms IncrementalHoareTripleChecker+Time [2021-11-04 07:54:44,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5427 Valid, 1298 Invalid, 26575 Unknown, 0 Unchecked, 111.78ms Time], IncrementalHoareTripleChecker [308 Valid, 26265 Invalid, 2 Unknown, 0 Unchecked, 54256.08ms Time] [2021-11-04 07:54:45,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380399 states.