./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 173e3943 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-dev-173e394 [2021-11-06 17:14:02,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 17:14:02,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 17:14:02,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 17:14:02,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 17:14:02,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 17:14:02,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 17:14:02,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 17:14:02,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 17:14:02,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 17:14:02,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 17:14:02,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 17:14:02,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 17:14:02,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 17:14:02,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 17:14:02,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 17:14:02,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 17:14:02,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 17:14:02,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 17:14:02,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 17:14:02,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 17:14:02,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 17:14:02,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 17:14:02,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 17:14:02,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 17:14:02,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 17:14:02,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 17:14:02,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 17:14:02,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 17:14:02,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 17:14:02,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 17:14:02,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 17:14:02,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 17:14:02,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 17:14:02,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 17:14:02,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 17:14:02,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 17:14:02,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 17:14:02,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 17:14:02,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 17:14:02,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 17:14:02,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 17:14:02,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 17:14:02,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 17:14:02,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 17:14:02,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 17:14:02,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 17:14:02,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 17:14:02,208 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 17:14:02,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 17:14:02,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 17:14:02,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 17:14:02,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 17:14:02,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 17:14:02,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 17:14:02,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 17:14:02,210 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 17:14:02,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 17:14:02,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 17:14:02,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 17:14:02,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 17:14:02,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 17:14:02,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 17:14:02,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 17:14:02,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 17:14:02,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 17:14:02,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 17:14:02,212 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 17:14:02,212 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 17:14:02,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 17:14:02,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 17:14:02,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2021-11-06 17:14:02,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 17:14:02,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 17:14:02,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 17:14:02,419 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 17:14:02,420 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 17:14:02,421 INFO L432 ainManager$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 [2021-11-06 17:14:02,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0921d89a/de83bfa3511c4257b94ed474035554cd/FLAG54ff9138d [2021-11-06 17:14:03,089 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 17:14:03,089 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 [2021-11-06 17:14:03,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0921d89a/de83bfa3511c4257b94ed474035554cd/FLAG54ff9138d [2021-11-06 17:14:03,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0921d89a/de83bfa3511c4257b94ed474035554cd [2021-11-06 17:14:03,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 17:14:03,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 17:14:03,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 17:14:03,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 17:14:03,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 17:14:03,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:14:03" (1/1) ... [2021-11-06 17:14:03,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f24e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:03, skipping insertion in model container [2021-11-06 17:14:03,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:14:03" (1/1) ... [2021-11-06 17:14:03,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 17:14:03,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 17:14:05,199 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] [2021-11-06 17:14:05,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 17:14:05,291 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 17:14:05,541 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] [2021-11-06 17:14:05,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 17:14:05,630 INFO L208 MainTranslator]: Completed translation [2021-11-06 17:14:05,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05 WrapperNode [2021-11-06 17:14:05,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 17:14:05,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 17:14:05,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 17:14:05,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 17:14:05,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05" (1/1) ... [2021-11-06 17:14:05,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05" (1/1) ... [2021-11-06 17:14:06,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 17:14:06,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 17:14:06,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 17:14:06,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 17:14:06,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05" (1/1) ... [2021-11-06 17:14:06,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05" (1/1) ... [2021-11-06 17:14:06,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05" (1/1) ... [2021-11-06 17:14:06,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05" (1/1) ... [2021-11-06 17:14:06,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05" (1/1) ... [2021-11-06 17:14:07,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05" (1/1) ... [2021-11-06 17:14:07,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05" (1/1) ... [2021-11-06 17:14:07,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 17:14:07,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 17:14:07,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 17:14:07,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 17:14:07,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05" (1/1) ... [2021-11-06 17:14:07,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 17:14:07,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 17:14:07,377 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) [2021-11-06 17:14:07,400 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 [2021-11-06 17:14:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-06 17:14:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2021-11-06 17:14:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2021-11-06 17:14:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2021-11-06 17:14:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2021-11-06 17:14:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 17:14:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 17:14:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2021-11-06 17:14:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2021-11-06 17:14:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-06 17:14:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2021-11-06 17:14:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2021-11-06 17:14:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2021-11-06 17:14:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2021-11-06 17:14:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2021-11-06 17:14:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2021-11-06 17:14:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2021-11-06 17:14:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2021-11-06 17:14:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2021-11-06 17:14:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2021-11-06 17:14:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 17:14:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2021-11-06 17:14:07,425 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2021-11-06 17:14:07,425 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2021-11-06 17:14:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2021-11-06 17:14:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 17:14:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-06 17:14:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2021-11-06 17:14:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2021-11-06 17:14:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2021-11-06 17:14:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2021-11-06 17:14:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 17:14:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2021-11-06 17:14:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2021-11-06 17:14:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 17:14:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2021-11-06 17:14:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2021-11-06 17:14:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2021-11-06 17:14:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2021-11-06 17:14:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2021-11-06 17:14:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2021-11-06 17:14:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2021-11-06 17:14:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2021-11-06 17:14:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2021-11-06 17:14:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2021-11-06 17:14:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2021-11-06 17:14:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2021-11-06 17:14:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 17:14:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2021-11-06 17:14:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2021-11-06 17:14:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2021-11-06 17:14:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2021-11-06 17:14:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2021-11-06 17:14:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2021-11-06 17:14:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 17:14:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 17:14:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2021-11-06 17:14:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2021-11-06 17:14:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2021-11-06 17:14:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2021-11-06 17:14:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2021-11-06 17:14:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2021-11-06 17:14:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2021-11-06 17:14:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2021-11-06 17:14:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 17:14:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2021-11-06 17:14:07,431 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2021-11-06 17:14:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 17:14:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2021-11-06 17:14:07,431 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2021-11-06 17:14:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2021-11-06 17:14:07,431 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2021-11-06 17:14:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2021-11-06 17:14:07,431 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2021-11-06 17:14:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2021-11-06 17:14:07,432 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2021-11-06 17:14:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 17:14:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-06 17:14:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 17:14:07,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 17:14:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-06 17:14:07,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-06 17:14:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2021-11-06 17:14:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2021-11-06 17:14:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-06 17:14:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-06 17:14:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 17:14:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-06 17:14:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-06 17:14:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 17:14:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 17:15:01,258 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 17:15:01,258 INFO L299 CfgBuilder]: Removed 5760 assume(true) statements. [2021-11-06 17:15:01,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:15:01 BoogieIcfgContainer [2021-11-06 17:15:01,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 17:15:01,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 17:15:01,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 17:15:01,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 17:15:01,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 05:14:03" (1/3) ... [2021-11-06 17:15:01,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632abd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:15:01, skipping insertion in model container [2021-11-06 17:15:01,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:14:05" (2/3) ... [2021-11-06 17:15:01,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632abd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:15:01, skipping insertion in model container [2021-11-06 17:15:01,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:15:01" (3/3) ... [2021-11-06 17:15:01,267 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-06 17:15:01,270 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 17:15:01,270 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-06 17:15:01,322 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 17:15:01,331 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 [2021-11-06 17:15:01,332 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-06 17:15:01,387 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) [2021-11-06 17:15:01,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-06 17:15:01,392 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:15:01,393 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:15:01,393 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)] === [2021-11-06 17:15:01,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:15:01,397 INFO L85 PathProgramCache]: Analyzing trace with hash -409329818, now seen corresponding path program 1 times [2021-11-06 17:15:01,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:15:01,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454216948] [2021-11-06 17:15:01,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:15:01,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:15:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:15:01,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:15:01,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:15:01,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454216948] [2021-11-06 17:15:01,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454216948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:15:01,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:15:01,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 17:15:01,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630508703] [2021-11-06 17:15:02,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 17:15:02,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:15:02,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 17:15:02,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 17:15:02,024 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) [2021-11-06 17:15:02,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:15:02,242 INFO L93 Difference]: Finished difference Result 10452 states and 14751 transitions. [2021-11-06 17:15:02,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 17:15:02,243 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 [2021-11-06 17:15:02,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:15:02,275 INFO L225 Difference]: With dead ends: 10452 [2021-11-06 17:15:02,275 INFO L226 Difference]: Without dead ends: 5142 [2021-11-06 17:15:02,307 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 17:15:02,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5142 states. [2021-11-06 17:15:02,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5142 to 5142. [2021-11-06 17:15:02,457 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) [2021-11-06 17:15:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 7003 transitions. [2021-11-06 17:15:02,480 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 7003 transitions. Word has length 38 [2021-11-06 17:15:02,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:15:02,480 INFO L470 AbstractCegarLoop]: Abstraction has 5142 states and 7003 transitions. [2021-11-06 17:15:02,480 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) [2021-11-06 17:15:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 7003 transitions. [2021-11-06 17:15:02,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-06 17:15:02,486 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:15:02,486 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:15:02,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 17:15:02,486 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)] === [2021-11-06 17:15:02,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:15:02,488 INFO L85 PathProgramCache]: Analyzing trace with hash -433945746, now seen corresponding path program 1 times [2021-11-06 17:15:02,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:15:02,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671772532] [2021-11-06 17:15:02,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:15:02,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:15:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:15:02,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:15:02,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:15:02,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671772532] [2021-11-06 17:15:02,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671772532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:15:02,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:15:02,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 17:15:02,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371373082] [2021-11-06 17:15:02,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 17:15:02,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:15:02,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 17:15:02,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:15:02,829 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) [2021-11-06 17:15:03,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:15:03,048 INFO L93 Difference]: Finished difference Result 12073 states and 16501 transitions. [2021-11-06 17:15:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 17:15:03,048 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 [2021-11-06 17:15:03,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:15:03,075 INFO L225 Difference]: With dead ends: 12073 [2021-11-06 17:15:03,075 INFO L226 Difference]: Without dead ends: 6956 [2021-11-06 17:15:03,096 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:15:03,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6956 states. [2021-11-06 17:15:03,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 5143. [2021-11-06 17:15:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5143 states, 4883 states have (on average 1.3542903952488226) internal successors, (6613), 4972 states have internal predecessors, (6613), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (195), 170 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-06 17:15:03,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 7004 transitions. [2021-11-06 17:15:03,202 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 7004 transitions. Word has length 38 [2021-11-06 17:15:03,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:15:03,203 INFO L470 AbstractCegarLoop]: Abstraction has 5143 states and 7004 transitions. [2021-11-06 17:15:03,203 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) [2021-11-06 17:15:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 7004 transitions. [2021-11-06 17:15:03,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-06 17:15:03,205 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:15:03,205 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:15:03,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 17:15:03,205 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)] === [2021-11-06 17:15:03,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:15:03,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1795589639, now seen corresponding path program 1 times [2021-11-06 17:15:03,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:15:03,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770599267] [2021-11-06 17:15:03,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:15:03,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:15:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:15:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:15:03,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:15:03,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770599267] [2021-11-06 17:15:03,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770599267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:15:03,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:15:03,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 17:15:03,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840325606] [2021-11-06 17:15:03,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 17:15:03,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:15:03,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 17:15:03,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:15:03,487 INFO L87 Difference]: Start difference. First operand 5143 states and 7004 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:03,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:15:03,659 INFO L93 Difference]: Finished difference Result 12794 states and 17435 transitions. [2021-11-06 17:15:03,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 17:15:03,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-06 17:15:03,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:15:03,691 INFO L225 Difference]: With dead ends: 12794 [2021-11-06 17:15:03,692 INFO L226 Difference]: Without dead ends: 7676 [2021-11-06 17:15:03,714 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:15:03,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7676 states. [2021-11-06 17:15:03,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7676 to 5145. [2021-11-06 17:15:03,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5145 states, 4885 states have (on average 1.3543500511770727) internal successors, (6616), 4974 states have internal predecessors, (6616), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (195), 170 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-06 17:15:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 5145 states and 7007 transitions. [2021-11-06 17:15:04,047 INFO L78 Accepts]: Start accepts. Automaton has 5145 states and 7007 transitions. Word has length 47 [2021-11-06 17:15:04,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:15:04,048 INFO L470 AbstractCegarLoop]: Abstraction has 5145 states and 7007 transitions. [2021-11-06 17:15:04,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:04,048 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 7007 transitions. [2021-11-06 17:15:04,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-06 17:15:04,051 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:15:04,051 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:15:04,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 17:15:04,051 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)] === [2021-11-06 17:15:04,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:15:04,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1738331337, now seen corresponding path program 1 times [2021-11-06 17:15:04,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:15:04,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120800090] [2021-11-06 17:15:04,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:15:04,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:15:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:15:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:15:04,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:15:04,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120800090] [2021-11-06 17:15:04,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120800090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:15:04,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:15:04,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 17:15:04,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671658482] [2021-11-06 17:15:04,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 17:15:04,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:15:04,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 17:15:04,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:15:04,382 INFO L87 Difference]: Start difference. First operand 5145 states and 7007 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:05,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:15:05,023 INFO L93 Difference]: Finished difference Result 8470 states and 11713 transitions. [2021-11-06 17:15:05,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 17:15:05,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-06 17:15:05,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:15:05,066 INFO L225 Difference]: With dead ends: 8470 [2021-11-06 17:15:05,067 INFO L226 Difference]: Without dead ends: 8414 [2021-11-06 17:15:05,072 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:15:05,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8414 states. [2021-11-06 17:15:05,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8414 to 8347. [2021-11-06 17:15:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8347 states, 7956 states have (on average 1.3598541980894923) internal successors, (10819), 8070 states have internal predecessors, (10819), 304 states have call successors, (304), 62 states have call predecessors, (304), 62 states have return successors, (441), 263 states have call predecessors, (441), 302 states have call successors, (441) [2021-11-06 17:15:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8347 states to 8347 states and 11564 transitions. [2021-11-06 17:15:05,244 INFO L78 Accepts]: Start accepts. Automaton has 8347 states and 11564 transitions. Word has length 47 [2021-11-06 17:15:05,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:15:05,246 INFO L470 AbstractCegarLoop]: Abstraction has 8347 states and 11564 transitions. [2021-11-06 17:15:05,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:05,246 INFO L276 IsEmpty]: Start isEmpty. Operand 8347 states and 11564 transitions. [2021-11-06 17:15:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-06 17:15:05,250 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:15:05,250 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:15:05,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 17:15:05,250 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-06 17:15:05,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:15:05,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1290968370, now seen corresponding path program 1 times [2021-11-06 17:15:05,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:15:05,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362350120] [2021-11-06 17:15:05,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:15:05,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:15:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:15:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:15:05,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:15:05,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362350120] [2021-11-06 17:15:05,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362350120] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:15:05,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:15:05,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 17:15:05,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536312540] [2021-11-06 17:15:05,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:15:05,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:15:05,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:15:05,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:15:05,491 INFO L87 Difference]: Start difference. First operand 8347 states and 11564 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:10,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:15:10,092 INFO L93 Difference]: Finished difference Result 40814 states and 57124 transitions. [2021-11-06 17:15:10,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 17:15:10,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-06 17:15:10,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:15:10,200 INFO L225 Difference]: With dead ends: 40814 [2021-11-06 17:15:10,201 INFO L226 Difference]: Without dead ends: 32492 [2021-11-06 17:15:10,258 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:15:10,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32492 states. [2021-11-06 17:15:10,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32492 to 32253. [2021-11-06 17:15:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32253 states, 30809 states have (on average 1.3611931578434873) internal successors, (41937), 31171 states have internal predecessors, (41937), 1179 states have call successors, (1179), 244 states have call predecessors, (1179), 240 states have return successors, (2287), 1020 states have call predecessors, (2287), 1171 states have call successors, (2287) [2021-11-06 17:15:11,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32253 states to 32253 states and 45403 transitions. [2021-11-06 17:15:11,023 INFO L78 Accepts]: Start accepts. Automaton has 32253 states and 45403 transitions. Word has length 65 [2021-11-06 17:15:11,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:15:11,023 INFO L470 AbstractCegarLoop]: Abstraction has 32253 states and 45403 transitions. [2021-11-06 17:15:11,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:11,024 INFO L276 IsEmpty]: Start isEmpty. Operand 32253 states and 45403 transitions. [2021-11-06 17:15:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-06 17:15:11,028 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:15:11,029 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:15:11,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 17:15:11,029 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)] === [2021-11-06 17:15:11,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:15:11,030 INFO L85 PathProgramCache]: Analyzing trace with hash 231355082, now seen corresponding path program 1 times [2021-11-06 17:15:11,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:15:11,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582201829] [2021-11-06 17:15:11,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:15:11,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:15:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:15:11,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:15:11,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:15:11,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582201829] [2021-11-06 17:15:11,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582201829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:15:11,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:15:11,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 17:15:11,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428076624] [2021-11-06 17:15:11,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:15:11,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:15:11,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:15:11,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:15:11,297 INFO L87 Difference]: Start difference. First operand 32253 states and 45403 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:14,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:15:14,966 INFO L93 Difference]: Finished difference Result 64465 states and 90745 transitions. [2021-11-06 17:15:14,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 17:15:14,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-06 17:15:14,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:15:15,062 INFO L225 Difference]: With dead ends: 64465 [2021-11-06 17:15:15,062 INFO L226 Difference]: Without dead ends: 32237 [2021-11-06 17:15:15,138 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:15:15,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32237 states. [2021-11-06 17:15:15,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32237 to 32237. [2021-11-06 17:15:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32237 states, 30801 states have (on average 1.3607675075484562) internal successors, (41913), 31163 states have internal predecessors, (41913), 1171 states have call successors, (1171), 244 states have call predecessors, (1171), 240 states have return successors, (2269), 1012 states have call predecessors, (2269), 1163 states have call successors, (2269) [2021-11-06 17:15:15,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45353 transitions. [2021-11-06 17:15:15,846 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45353 transitions. Word has length 68 [2021-11-06 17:15:15,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:15:15,847 INFO L470 AbstractCegarLoop]: Abstraction has 32237 states and 45353 transitions. [2021-11-06 17:15:15,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:15,847 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45353 transitions. [2021-11-06 17:15:15,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-06 17:15:15,852 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:15:15,852 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:15:15,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 17:15:15,853 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)] === [2021-11-06 17:15:15,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:15:15,853 INFO L85 PathProgramCache]: Analyzing trace with hash -688623935, now seen corresponding path program 1 times [2021-11-06 17:15:15,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:15:15,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742564190] [2021-11-06 17:15:15,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:15:15,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:15:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:15:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:15:16,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:15:16,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742564190] [2021-11-06 17:15:16,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742564190] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:15:16,220 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:15:16,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 17:15:16,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891754596] [2021-11-06 17:15:16,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 17:15:16,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:15:16,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 17:15:16,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:15:16,221 INFO L87 Difference]: Start difference. First operand 32237 states and 45353 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:19,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:15:19,403 INFO L93 Difference]: Finished difference Result 88099 states and 124814 transitions. [2021-11-06 17:15:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 17:15:19,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-06 17:15:19,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:15:19,560 INFO L225 Difference]: With dead ends: 88099 [2021-11-06 17:15:19,560 INFO L226 Difference]: Without dead ends: 55887 [2021-11-06 17:15:19,642 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:15:19,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55887 states. [2021-11-06 17:15:21,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55887 to 55855. [2021-11-06 17:15:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55855 states, 53180 states have (on average 1.3759684091763822) internal successors, (73174), 53848 states have internal predecessors, (73174), 2170 states have call successors, (2170), 488 states have call predecessors, (2170), 480 states have return successors, (4104), 1872 states have call predecessors, (4104), 2162 states have call successors, (4104) [2021-11-06 17:15:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55855 states to 55855 states and 79448 transitions. [2021-11-06 17:15:21,295 INFO L78 Accepts]: Start accepts. Automaton has 55855 states and 79448 transitions. Word has length 81 [2021-11-06 17:15:21,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:15:21,296 INFO L470 AbstractCegarLoop]: Abstraction has 55855 states and 79448 transitions. [2021-11-06 17:15:21,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:21,296 INFO L276 IsEmpty]: Start isEmpty. Operand 55855 states and 79448 transitions. [2021-11-06 17:15:21,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-06 17:15:21,304 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:15:21,304 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:15:21,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 17:15:21,304 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)] === [2021-11-06 17:15:21,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:15:21,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1005049575, now seen corresponding path program 1 times [2021-11-06 17:15:21,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:15:21,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307634821] [2021-11-06 17:15:21,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:15:21,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:15:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:15:21,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:15:21,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:15:21,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307634821] [2021-11-06 17:15:21,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307634821] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:15:21,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:15:21,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 17:15:21,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155711336] [2021-11-06 17:15:21,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 17:15:21,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:15:21,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 17:15:21,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:15:21,533 INFO L87 Difference]: Start difference. First operand 55855 states and 79448 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:24,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:15:24,039 INFO L93 Difference]: Finished difference Result 165387 states and 235386 transitions. [2021-11-06 17:15:24,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 17:15:24,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-11-06 17:15:24,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:15:24,456 INFO L225 Difference]: With dead ends: 165387 [2021-11-06 17:15:24,457 INFO L226 Difference]: Without dead ends: 109557 [2021-11-06 17:15:24,659 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 17:15:24,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109557 states. [2021-11-06 17:15:27,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109557 to 109507. [2021-11-06 17:15:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109507 states, 104262 states have (on average 1.3776064146093496) internal successors, (143632), 105558 states have internal predecessors, (143632), 4260 states have call successors, (4260), 976 states have call predecessors, (4260), 960 states have return successors, (8032), 3672 states have call predecessors, (8032), 4244 states have call successors, (8032) [2021-11-06 17:15:28,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109507 states to 109507 states and 155924 transitions. [2021-11-06 17:15:28,015 INFO L78 Accepts]: Start accepts. Automaton has 109507 states and 155924 transitions. Word has length 86 [2021-11-06 17:15:28,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:15:28,016 INFO L470 AbstractCegarLoop]: Abstraction has 109507 states and 155924 transitions. [2021-11-06 17:15:28,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 17:15:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 109507 states and 155924 transitions. [2021-11-06 17:15:28,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-06 17:15:28,035 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:15:28,036 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:15:28,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-06 17:15:28,036 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)] === [2021-11-06 17:15:28,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:15:28,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1574416887, now seen corresponding path program 1 times [2021-11-06 17:15:28,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:15:28,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046277617] [2021-11-06 17:15:28,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:15:28,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:15:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:15:28,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-06 17:15:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:15:28,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:15:28,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:15:28,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046277617] [2021-11-06 17:15:28,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046277617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:15:28,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:15:28,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 17:15:28,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026310737] [2021-11-06 17:15:28,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 17:15:28,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:15:28,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 17:15:28,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 17:15:28,522 INFO L87 Difference]: Start difference. First operand 109507 states and 155924 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 17:15:49,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 17:15:49,583 INFO L93 Difference]: Finished difference Result 322799 states and 461134 transitions. [2021-11-06 17:15:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 17:15:49,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 107 [2021-11-06 17:15:49,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 17:15:50,490 INFO L225 Difference]: With dead ends: 322799 [2021-11-06 17:15:50,490 INFO L226 Difference]: Without dead ends: 213317 [2021-11-06 17:15:50,809 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:15:51,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213317 states. [2021-11-06 17:15:56,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213317 to 211867. [2021-11-06 17:15:56,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211867 states, 201410 states have (on average 1.3754431259619682) internal successors, (277028), 204138 states have internal predecessors, (277028), 8216 states have call successors, (8216), 1952 states have call predecessors, (8216), 2216 states have return successors, (17692), 7168 states have call predecessors, (17692), 8184 states have call successors, (17692) [2021-11-06 17:15:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211867 states to 211867 states and 302936 transitions. [2021-11-06 17:15:58,034 INFO L78 Accepts]: Start accepts. Automaton has 211867 states and 302936 transitions. Word has length 107 [2021-11-06 17:15:58,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 17:15:58,035 INFO L470 AbstractCegarLoop]: Abstraction has 211867 states and 302936 transitions. [2021-11-06 17:15:58,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-06 17:15:58,035 INFO L276 IsEmpty]: Start isEmpty. Operand 211867 states and 302936 transitions. [2021-11-06 17:15:58,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-06 17:15:58,066 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 17:15:58,066 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 17:15:58,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-06 17:15:58,067 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)] === [2021-11-06 17:15:58,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 17:15:58,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1313096634, now seen corresponding path program 1 times [2021-11-06 17:15:58,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 17:15:58,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610589369] [2021-11-06 17:15:58,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 17:15:58,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 17:15:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 17:15:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 17:15:58,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 17:15:58,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610589369] [2021-11-06 17:15:58,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610589369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 17:15:58,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 17:15:58,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 17:15:58,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576383379] [2021-11-06 17:15:58,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 17:15:58,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 17:15:58,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 17:15:58,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 17:15:58,905 INFO L87 Difference]: Start difference. First operand 211867 states and 302936 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)