./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 4d014703 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 22:04:09,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:04:09,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:04:09,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:04:09,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:04:09,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:04:09,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:04:09,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:04:09,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:04:09,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:04:09,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:04:09,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:04:09,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:04:09,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:04:09,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:04:09,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:04:09,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:04:09,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:04:09,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:04:09,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:04:09,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:04:09,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:04:09,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:04:09,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:04:09,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:04:09,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:04:09,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:04:09,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:04:09,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:04:09,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:04:09,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:04:09,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:04:09,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:04:09,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:04:09,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:04:09,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:04:09,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:04:09,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:04:09,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:04:09,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:04:09,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:04:09,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 22:04:09,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:04:09,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:04:09,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:04:09,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:04:09,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:04:09,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:04:09,281 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:04:09,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:04:09,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:04:09,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:04:09,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:04:09,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:04:09,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:04:09,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:04:09,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:04:09,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:04:09,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:04:09,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:04:09,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:04:09,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:09,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:04:09,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:04:09,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:04:09,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:04:09,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:04:09,285 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:04:09,285 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:04:09,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:04:09,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:04:09,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2021-11-02 22:04:09,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:04:09,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:04:09,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:04:09,498 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:04:09,500 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:04:09,501 INFO L432 ainManager$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 [2021-11-02 22:04:09,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35991fe36/41ef5103fc444c20bda569c419e16f70/FLAG440f3a06a [2021-11-02 22:04:10,154 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:04:10,155 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 [2021-11-02 22:04:10,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35991fe36/41ef5103fc444c20bda569c419e16f70/FLAG440f3a06a [2021-11-02 22:04:10,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35991fe36/41ef5103fc444c20bda569c419e16f70 [2021-11-02 22:04:10,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:04:10,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:04:10,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:10,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:04:10,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:04:10,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:10" (1/1) ... [2021-11-02 22:04:10,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee3839b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:10, skipping insertion in model container [2021-11-02 22:04:10,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:10" (1/1) ... [2021-11-02 22:04:10,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:04:10,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:04:11,938 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] [2021-11-02 22:04:11,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:04:12,034 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:04:12,299 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] [2021-11-02 22:04:12,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:04:12,386 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:04:12,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12 WrapperNode [2021-11-02 22:04:12,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:12,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:04:12,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:04:12,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:04:12,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12" (1/1) ... [2021-11-02 22:04:12,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12" (1/1) ... [2021-11-02 22:04:13,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:04:13,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:04:13,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:04:13,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:04:13,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12" (1/1) ... [2021-11-02 22:04:13,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12" (1/1) ... [2021-11-02 22:04:13,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12" (1/1) ... [2021-11-02 22:04:13,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12" (1/1) ... [2021-11-02 22:04:13,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12" (1/1) ... [2021-11-02 22:04:13,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12" (1/1) ... [2021-11-02 22:04:14,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12" (1/1) ... [2021-11-02 22:04:14,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:04:14,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:04:14,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:04:14,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:04:14,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12" (1/1) ... [2021-11-02 22:04:14,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:14,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 22:04:14,134 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) [2021-11-02 22:04:14,167 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 [2021-11-02 22:04:14,177 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-02 22:04:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2021-11-02 22:04:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2021-11-02 22:04:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2021-11-02 22:04:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2021-11-02 22:04:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 22:04:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 22:04:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2021-11-02 22:04:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2021-11-02 22:04:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-02 22:04:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2021-11-02 22:04:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2021-11-02 22:04:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2021-11-02 22:04:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2021-11-02 22:04:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2021-11-02 22:04:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2021-11-02 22:04:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2021-11-02 22:04:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2021-11-02 22:04:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2021-11-02 22:04:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2021-11-02 22:04:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:04:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2021-11-02 22:04:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2021-11-02 22:04:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2021-11-02 22:04:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2021-11-02 22:04:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 22:04:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-02 22:04:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2021-11-02 22:04:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2021-11-02 22:04:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2021-11-02 22:04:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2021-11-02 22:04:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:04:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2021-11-02 22:04:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2021-11-02 22:04:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 22:04:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2021-11-02 22:04:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2021-11-02 22:04:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2021-11-02 22:04:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2021-11-02 22:04:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2021-11-02 22:04:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2021-11-02 22:04:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2021-11-02 22:04:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2021-11-02 22:04:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2021-11-02 22:04:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2021-11-02 22:04:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2021-11-02 22:04:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2021-11-02 22:04:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 22:04:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2021-11-02 22:04:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2021-11-02 22:04:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2021-11-02 22:04:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2021-11-02 22:04:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2021-11-02 22:04:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2021-11-02 22:04:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 22:04:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:04:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2021-11-02 22:04:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2021-11-02 22:04:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2021-11-02 22:04:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2021-11-02 22:04:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2021-11-02 22:04:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2021-11-02 22:04:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2021-11-02 22:04:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2021-11-02 22:04:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:04:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2021-11-02 22:04:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2021-11-02 22:04:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 22:04:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2021-11-02 22:04:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2021-11-02 22:04:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2021-11-02 22:04:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2021-11-02 22:04:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2021-11-02 22:04:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2021-11-02 22:04:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2021-11-02 22:04:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2021-11-02 22:04:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 22:04:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-02 22:04:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 22:04:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-02 22:04:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-02 22:04:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-02 22:04:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2021-11-02 22:04:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2021-11-02 22:04:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-02 22:04:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-02 22:04:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:04:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-02 22:04:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-02 22:04:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:04:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:04:57,405 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:04:57,414 INFO L299 CfgBuilder]: Removed 5760 assume(true) statements. [2021-11-02 22:04:57,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:57 BoogieIcfgContainer [2021-11-02 22:04:57,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:04:57,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:04:57,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:04:57,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:04:57,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:04:10" (1/3) ... [2021-11-02 22:04:57,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d488e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:57, skipping insertion in model container [2021-11-02 22:04:57,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:12" (2/3) ... [2021-11-02 22:04:57,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d488e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:57, skipping insertion in model container [2021-11-02 22:04:57,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:57" (3/3) ... [2021-11-02 22:04:57,430 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2021-11-02 22:04:57,435 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:04:57,435 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-02 22:04:57,486 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:04:57,493 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 [2021-11-02 22:04:57,494 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-02 22:04:57,561 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) [2021-11-02 22:04:57,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-02 22:04:57,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:04:57,572 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:04:57,573 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)] === [2021-11-02 22:04:57,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:57,577 INFO L85 PathProgramCache]: Analyzing trace with hash -409329818, now seen corresponding path program 1 times [2021-11-02 22:04:57,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:57,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592891723] [2021-11-02 22:04:57,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:57,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:58,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:58,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592891723] [2021-11-02 22:04:58,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592891723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:58,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:58,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:04:58,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80608921] [2021-11-02 22:04:58,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:04:58,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:58,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:04:58,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:04:58,367 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) [2021-11-02 22:05:00,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:05:02,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:05:08,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:05:12,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:05:12,468 INFO L93 Difference]: Finished difference Result 10452 states and 14751 transitions. [2021-11-02 22:05:12,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:05:12,485 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 [2021-11-02 22:05:12,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:05:12,529 INFO L225 Difference]: With dead ends: 10452 [2021-11-02 22:05:12,529 INFO L226 Difference]: Without dead ends: 5142 [2021-11-02 22:05:12,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:05:12,562 INFO L933 BasicCegarLoop]: 460 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6696 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12286.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 6699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.43ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6696 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13705.52ms IncrementalHoareTripleChecker+Time [2021-11-02 22:05:12,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 460 Invalid, 6699 Unknown, 0 Unchecked, 16.43ms Time], IncrementalHoareTripleChecker [0 Valid, 6696 Invalid, 3 Unknown, 0 Unchecked, 13705.52ms Time] [2021-11-02 22:05:12,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5142 states. [2021-11-02 22:05:12,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5142 to 5142. [2021-11-02 22:05:12,729 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) [2021-11-02 22:05:12,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 7003 transitions. [2021-11-02 22:05:12,751 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 7003 transitions. Word has length 38 [2021-11-02 22:05:12,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:05:12,751 INFO L470 AbstractCegarLoop]: Abstraction has 5142 states and 7003 transitions. [2021-11-02 22:05:12,752 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) [2021-11-02 22:05:12,752 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 7003 transitions. [2021-11-02 22:05:12,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-02 22:05:12,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:05:12,758 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:05:12,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:05:12,759 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)] === [2021-11-02 22:05:12,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:05:12,760 INFO L85 PathProgramCache]: Analyzing trace with hash -433945746, now seen corresponding path program 1 times [2021-11-02 22:05:12,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:05:12,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730674939] [2021-11-02 22:05:12,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:05:12,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:05:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:05:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:05:13,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:05:13,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730674939] [2021-11-02 22:05:13,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730674939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:05:13,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:05:13,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:05:13,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303274961] [2021-11-02 22:05:13,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:05:13,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:05:13,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:05:13,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:05:13,196 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) [2021-11-02 22:05:15,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:05:17,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:05:34,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:05:34,689 INFO L93 Difference]: Finished difference Result 10269 states and 13995 transitions. [2021-11-02 22:05:34,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:05:34,699 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 [2021-11-02 22:05:34,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:05:34,722 INFO L225 Difference]: With dead ends: 10269 [2021-11-02 22:05:34,722 INFO L226 Difference]: Without dead ends: 5147 [2021-11-02 22:05:34,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.99ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:05:34,738 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 0 mSDsluCounter, 6959 mSDsCounter, 0 mSdLazyCounter, 13215 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18657.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 13225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 63.75ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13215 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20887.19ms IncrementalHoareTripleChecker+Time [2021-11-02 22:05:34,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 782 Invalid, 13225 Unknown, 0 Unchecked, 63.75ms Time], IncrementalHoareTripleChecker [8 Valid, 13215 Invalid, 2 Unknown, 0 Unchecked, 20887.19ms Time] [2021-11-02 22:05:34,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5147 states. [2021-11-02 22:05:34,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5147 to 5147. [2021-11-02 22:05:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5147 states, 4887 states have (on average 1.354000409249028) internal successors, (6617), 4976 states have internal predecessors, (6617), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (195), 170 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-02 22:05:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5147 states to 5147 states and 7008 transitions. [2021-11-02 22:05:34,845 INFO L78 Accepts]: Start accepts. Automaton has 5147 states and 7008 transitions. Word has length 38 [2021-11-02 22:05:34,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:05:34,846 INFO L470 AbstractCegarLoop]: Abstraction has 5147 states and 7008 transitions. [2021-11-02 22:05:34,847 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) [2021-11-02 22:05:34,848 INFO L276 IsEmpty]: Start isEmpty. Operand 5147 states and 7008 transitions. [2021-11-02 22:05:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-02 22:05:34,850 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:05:34,850 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:05:34,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:05:34,854 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)] === [2021-11-02 22:05:34,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:05:34,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1280124176, now seen corresponding path program 1 times [2021-11-02 22:05:34,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:05:34,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548084424] [2021-11-02 22:05:34,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:05:34,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:05:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:05:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:05:35,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:05:35,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548084424] [2021-11-02 22:05:35,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548084424] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:05:35,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:05:35,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:05:35,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540183102] [2021-11-02 22:05:35,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:05:35,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:05:35,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:05:35,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:05:35,125 INFO L87 Difference]: Start difference. First operand 5147 states and 7008 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:05:37,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:05:39,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:05:51,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:06:04,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:06:04,597 INFO L93 Difference]: Finished difference Result 12084 states and 16512 transitions. [2021-11-02 22:06:04,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:06:04,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-02 22:06:04,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:06:04,631 INFO L225 Difference]: With dead ends: 12084 [2021-11-02 22:06:04,632 INFO L226 Difference]: Without dead ends: 6964 [2021-11-02 22:06:04,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.20ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:06:04,654 INFO L933 BasicCegarLoop]: 513 mSDtfsCounter, 2395 mSDsluCounter, 7041 mSDsCounter, 0 mSdLazyCounter, 15574 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25839.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 15577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 64.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15574 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28849.32ms IncrementalHoareTripleChecker+Time [2021-11-02 22:06:04,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2457 Valid, 964 Invalid, 15577 Unknown, 0 Unchecked, 64.09ms Time], IncrementalHoareTripleChecker [0 Valid, 15574 Invalid, 3 Unknown, 0 Unchecked, 28849.32ms Time] [2021-11-02 22:06:04,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2021-11-02 22:06:04,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 5148. [2021-11-02 22:06:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5148 states, 4888 states have (on average 1.3539279869067102) internal successors, (6618), 4977 states have internal predecessors, (6618), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (195), 170 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-02 22:06:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 7009 transitions. [2021-11-02 22:06:04,815 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 7009 transitions. Word has length 40 [2021-11-02 22:06:04,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:06:04,815 INFO L470 AbstractCegarLoop]: Abstraction has 5148 states and 7009 transitions. [2021-11-02 22:06:04,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:06:04,816 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 7009 transitions. [2021-11-02 22:06:04,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-02 22:06:04,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:06:04,820 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:06:04,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:06:04,822 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)] === [2021-11-02 22:06:04,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:04,823 INFO L85 PathProgramCache]: Analyzing trace with hash 203846839, now seen corresponding path program 1 times [2021-11-02 22:06:04,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:04,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971162439] [2021-11-02 22:06:04,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:04,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:06:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:06:05,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:06:05,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971162439] [2021-11-02 22:06:05,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971162439] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:06:05,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:06:05,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:06:05,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554846180] [2021-11-02 22:06:05,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:06:05,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:06:05,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:06:05,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:06:05,174 INFO L87 Difference]: Start difference. First operand 5148 states and 7009 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:06:07,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:06:09,818 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:06:21,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:06:34,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:06:34,761 INFO L93 Difference]: Finished difference Result 12799 states and 17436 transitions. [2021-11-02 22:06:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:06:34,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-02 22:06:34,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:06:34,793 INFO L225 Difference]: With dead ends: 12799 [2021-11-02 22:06:34,793 INFO L226 Difference]: Without dead ends: 7678 [2021-11-02 22:06:34,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:06:34,811 INFO L933 BasicCegarLoop]: 530 mSDtfsCounter, 3630 mSDsluCounter, 6697 mSDsCounter, 0 mSdLazyCounter, 15240 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25878.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3711 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 15244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 38.14ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15240 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29076.50ms IncrementalHoareTripleChecker+Time [2021-11-02 22:06:34,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3711 Valid, 979 Invalid, 15244 Unknown, 0 Unchecked, 38.14ms Time], IncrementalHoareTripleChecker [1 Valid, 15240 Invalid, 3 Unknown, 0 Unchecked, 29076.50ms Time] [2021-11-02 22:06:34,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7678 states. [2021-11-02 22:06:34,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7678 to 5150. [2021-11-02 22:06:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5150 states, 4890 states have (on average 1.3539877300613496) internal successors, (6621), 4979 states have internal predecessors, (6621), 196 states have call successors, (196), 36 states have call predecessors, (196), 36 states have return successors, (195), 170 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-02 22:06:34,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5150 states to 5150 states and 7012 transitions. [2021-11-02 22:06:34,941 INFO L78 Accepts]: Start accepts. Automaton has 5150 states and 7012 transitions. Word has length 49 [2021-11-02 22:06:34,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:06:34,943 INFO L470 AbstractCegarLoop]: Abstraction has 5150 states and 7012 transitions. [2021-11-02 22:06:34,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:06:34,943 INFO L276 IsEmpty]: Start isEmpty. Operand 5150 states and 7012 transitions. [2021-11-02 22:06:34,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-02 22:06:34,945 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:06:34,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:06:34,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 22:06:34,945 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-02 22:06:34,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:34,946 INFO L85 PathProgramCache]: Analyzing trace with hash 261105141, now seen corresponding path program 1 times [2021-11-02 22:06:34,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:34,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249042952] [2021-11-02 22:06:34,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:34,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:06:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:06:35,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:06:35,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249042952] [2021-11-02 22:06:35,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249042952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:06:35,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:06:35,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:06:35,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177563616] [2021-11-02 22:06:35,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:06:35,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:06:35,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:06:35,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:06:35,272 INFO L87 Difference]: Start difference. First operand 5150 states and 7012 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:06:37,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:06:39,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:06:47,564 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:07:03,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:07:03,877 INFO L93 Difference]: Finished difference Result 8477 states and 11719 transitions. [2021-11-02 22:07:03,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:07:03,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-02 22:07:03,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:07:03,941 INFO L225 Difference]: With dead ends: 8477 [2021-11-02 22:07:03,950 INFO L226 Difference]: Without dead ends: 8421 [2021-11-02 22:07:03,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:07:03,959 INFO L933 BasicCegarLoop]: 647 mSDtfsCounter, 6373 mSDsluCounter, 4776 mSDsCounter, 0 mSdLazyCounter, 11818 mSolverCounterSat, 191 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24876.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6373 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 12012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.33ms SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 11818 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28063.94ms IncrementalHoareTripleChecker+Time [2021-11-02 22:07:03,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6373 Valid, 920 Invalid, 12012 Unknown, 0 Unchecked, 40.33ms Time], IncrementalHoareTripleChecker [191 Valid, 11818 Invalid, 3 Unknown, 0 Unchecked, 28063.94ms Time] [2021-11-02 22:07:03,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8421 states. [2021-11-02 22:07:04,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8421 to 8352. [2021-11-02 22:07:04,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8352 states, 7962 states have (on average 1.3594574227581009) internal successors, (10824), 8075 states have internal predecessors, (10824), 303 states have call successors, (303), 62 states have call predecessors, (303), 62 states have return successors, (440), 263 states have call predecessors, (440), 301 states have call successors, (440) [2021-11-02 22:07:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8352 states to 8352 states and 11567 transitions. [2021-11-02 22:07:04,153 INFO L78 Accepts]: Start accepts. Automaton has 8352 states and 11567 transitions. Word has length 49 [2021-11-02 22:07:04,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:07:04,153 INFO L470 AbstractCegarLoop]: Abstraction has 8352 states and 11567 transitions. [2021-11-02 22:07:04,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:07:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 8352 states and 11567 transitions. [2021-11-02 22:07:04,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-02 22:07:04,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:07:04,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:07:04,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:07:04,158 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)] === [2021-11-02 22:07:04,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:07:04,159 INFO L85 PathProgramCache]: Analyzing trace with hash -653679504, now seen corresponding path program 1 times [2021-11-02 22:07:04,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:07:04,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090956934] [2021-11-02 22:07:04,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:07:04,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:07:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:07:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:07:04,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:07:04,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090956934] [2021-11-02 22:07:04,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090956934] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:07:04,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:07:04,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:07:04,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213319781] [2021-11-02 22:07:04,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:07:04,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:07:04,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:07:04,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:07:04,477 INFO L87 Difference]: Start difference. First operand 8352 states and 11567 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:07:06,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:07:09,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:07:30,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:08:15,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:08:15,315 INFO L93 Difference]: Finished difference Result 32045 states and 45010 transitions. [2021-11-02 22:08:15,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:08:15,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-02 22:08:15,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:08:15,398 INFO L225 Difference]: With dead ends: 32045 [2021-11-02 22:08:15,398 INFO L226 Difference]: Without dead ends: 23720 [2021-11-02 22:08:15,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 54.34ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-02 22:08:15,432 INFO L933 BasicCegarLoop]: 882 mSDtfsCounter, 23199 mSDsluCounter, 27327 mSDsCounter, 0 mSdLazyCounter, 37469 mSolverCounterSat, 682 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60581.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23252 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 38154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 188.51ms SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 37469 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69065.93ms IncrementalHoareTripleChecker+Time [2021-11-02 22:08:15,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23252 Valid, 1821 Invalid, 38154 Unknown, 0 Unchecked, 188.51ms Time], IncrementalHoareTripleChecker [682 Valid, 37469 Invalid, 3 Unknown, 0 Unchecked, 69065.93ms Time] [2021-11-02 22:08:15,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23720 states. [2021-11-02 22:08:15,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23720 to 22472. [2021-11-02 22:08:15,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22472 states, 21410 states have (on average 1.3695469406819243) internal successors, (29322), 21686 states have internal predecessors, (29322), 855 states have call successors, (855), 184 states have call predecessors, (855), 182 states have return successors, (1621), 739 states have call predecessors, (1621), 849 states have call successors, (1621) [2021-11-02 22:08:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22472 states to 22472 states and 31798 transitions. [2021-11-02 22:08:15,951 INFO L78 Accepts]: Start accepts. Automaton has 22472 states and 31798 transitions. Word has length 67 [2021-11-02 22:08:15,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:08:15,952 INFO L470 AbstractCegarLoop]: Abstraction has 22472 states and 31798 transitions. [2021-11-02 22:08:15,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:08:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 22472 states and 31798 transitions. [2021-11-02 22:08:15,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-02 22:08:15,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:08:15,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:08:15,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 22:08:15,957 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)] === [2021-11-02 22:08:15,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:08:15,957 INFO L85 PathProgramCache]: Analyzing trace with hash 2040396492, now seen corresponding path program 1 times [2021-11-02 22:08:15,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:08:15,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67024961] [2021-11-02 22:08:15,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:08:15,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:08:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:08:16,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:08:16,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:08:16,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67024961] [2021-11-02 22:08:16,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67024961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:08:16,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:08:16,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:08:16,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071394190] [2021-11-02 22:08:16,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:08:16,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:08:16,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:08:16,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:08:16,256 INFO L87 Difference]: Start difference. First operand 22472 states and 31798 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:08:18,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:08:20,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:08:41,108 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:09:15,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:09:15,830 INFO L93 Difference]: Finished difference Result 82189 states and 117231 transitions. [2021-11-02 22:09:15,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:09:15,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-11-02 22:09:15,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:09:16,038 INFO L225 Difference]: With dead ends: 82189 [2021-11-02 22:09:16,038 INFO L226 Difference]: Without dead ends: 59744 [2021-11-02 22:09:16,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.58ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:09:16,142 INFO L933 BasicCegarLoop]: 750 mSDtfsCounter, 21743 mSDsluCounter, 12308 mSDsCounter, 0 mSdLazyCounter, 19449 mSolverCounterSat, 696 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48521.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21743 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 20148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 143.09ms SdHoareTripleChecker+Time, 696 IncrementalHoareTripleChecker+Valid, 19449 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57280.73ms IncrementalHoareTripleChecker+Time [2021-11-02 22:09:16,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21743 Valid, 1141 Invalid, 20148 Unknown, 0 Unchecked, 143.09ms Time], IncrementalHoareTripleChecker [696 Valid, 19449 Invalid, 3 Unknown, 0 Unchecked, 57280.73ms Time] [2021-11-02 22:09:16,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59744 states. [2021-11-02 22:09:17,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59744 to 59680. [2021-11-02 22:09:17,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59680 states, 56682 states have (on average 1.3843901062065558) internal successors, (78470), 57452 states have internal predecessors, (78470), 2427 states have call successors, (2427), 552 states have call predecessors, (2427), 546 states have return successors, (4515), 2081 states have call predecessors, (4515), 2409 states have call successors, (4515) [2021-11-02 22:09:17,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59680 states to 59680 states and 85412 transitions. [2021-11-02 22:09:17,836 INFO L78 Accepts]: Start accepts. Automaton has 59680 states and 85412 transitions. Word has length 70 [2021-11-02 22:09:17,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:09:17,836 INFO L470 AbstractCegarLoop]: Abstraction has 59680 states and 85412 transitions. [2021-11-02 22:09:17,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 59680 states and 85412 transitions. [2021-11-02 22:09:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-02 22:09:17,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:09:17,847 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:09:17,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 22:09:17,847 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)] === [2021-11-02 22:09:17,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:17,848 INFO L85 PathProgramCache]: Analyzing trace with hash -2092877313, now seen corresponding path program 1 times [2021-11-02 22:09:17,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:17,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701027030] [2021-11-02 22:09:17,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:17,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:09:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:09:18,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:09:18,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701027030] [2021-11-02 22:09:18,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701027030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:09:18,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:09:18,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:09:18,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532935940] [2021-11-02 22:09:18,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:09:18,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:09:18,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:09:18,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:09:18,150 INFO L87 Difference]: Start difference. First operand 59680 states and 85412 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:20,344 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:09:22,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:09:38,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:09:58,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:09:58,459 INFO L93 Difference]: Finished difference Result 173055 states and 248409 transitions. [2021-11-02 22:09:58,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:09:58,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-11-02 22:09:58,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:09:59,062 INFO L225 Difference]: With dead ends: 173055 [2021-11-02 22:09:59,063 INFO L226 Difference]: Without dead ends: 113402 [2021-11-02 22:09:59,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.33ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:09:59,245 INFO L933 BasicCegarLoop]: 593 mSDtfsCounter, 5475 mSDsluCounter, 6984 mSDsCounter, 0 mSdLazyCounter, 14419 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32456.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5475 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 14425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.73ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14419 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37567.63ms IncrementalHoareTripleChecker+Time [2021-11-02 22:09:59,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5475 Valid, 984 Invalid, 14425 Unknown, 0 Unchecked, 39.73ms Time], IncrementalHoareTripleChecker [3 Valid, 14419 Invalid, 3 Unknown, 0 Unchecked, 37567.63ms Time] [2021-11-02 22:09:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113402 states. [2021-11-02 22:10:01,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113402 to 113370. [2021-11-02 22:10:01,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113370 states, 107552 states have (on average 1.390285629277001) internal successors, (149528), 109027 states have internal predecessors, (149528), 4701 states have call successors, (4701), 1104 states have call predecessors, (4701), 1092 states have return successors, (8727), 4037 states have call predecessors, (8727), 4683 states have call successors, (8727) [2021-11-02 22:10:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113370 states to 113370 states and 162956 transitions. [2021-11-02 22:10:02,720 INFO L78 Accepts]: Start accepts. Automaton has 113370 states and 162956 transitions. Word has length 83 [2021-11-02 22:10:02,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:10:02,721 INFO L470 AbstractCegarLoop]: Abstraction has 113370 states and 162956 transitions. [2021-11-02 22:10:02,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand 113370 states and 162956 transitions. [2021-11-02 22:10:02,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-02 22:10:02,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:10:02,737 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:10:02,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-02 22:10:02,737 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)] === [2021-11-02 22:10:02,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:02,738 INFO L85 PathProgramCache]: Analyzing trace with hash 816734825, now seen corresponding path program 1 times [2021-11-02 22:10:02,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:02,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105761024] [2021-11-02 22:10:02,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:02,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:10:03,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:10:03,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105761024] [2021-11-02 22:10:03,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105761024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:10:03,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:10:03,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 22:10:03,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711486997] [2021-11-02 22:10:03,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:10:03,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:10:03,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:10:03,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:10:03,095 INFO L87 Difference]: Start difference. First operand 113370 states and 162956 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:05,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:10:07,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:10:50,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:10:50,273 INFO L93 Difference]: Finished difference Result 312348 states and 449307 transitions. [2021-11-02 22:10:50,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:10:50,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-11-02 22:10:50,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:10:51,135 INFO L225 Difference]: With dead ends: 312348 [2021-11-02 22:10:51,136 INFO L226 Difference]: Without dead ends: 199005 [2021-11-02 22:10:51,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:10:51,451 INFO L933 BasicCegarLoop]: 672 mSDtfsCounter, 5443 mSDsluCounter, 6988 mSDsCounter, 0 mSdLazyCounter, 16162 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35296.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5443 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 16165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 55.50ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16162 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41981.08ms IncrementalHoareTripleChecker+Time [2021-11-02 22:10:51,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5443 Valid, 1063 Invalid, 16165 Unknown, 0 Unchecked, 55.50ms Time], IncrementalHoareTripleChecker [1 Valid, 16162 Invalid, 2 Unknown, 0 Unchecked, 41981.08ms Time] [2021-11-02 22:10:51,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199005 states. [2021-11-02 22:10:56,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199005 to 198955. [2021-11-02 22:10:56,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198955 states, 188858 states have (on average 1.395281110675746) internal successors, (263510), 191396 states have internal predecessors, (263510), 8122 states have call successors, (8122), 1956 states have call predecessors, (8122), 1950 states have return successors, (14678), 7003 states have call predecessors, (14678), 8086 states have call successors, (14678) [2021-11-02 22:10:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198955 states to 198955 states and 286310 transitions. [2021-11-02 22:10:57,768 INFO L78 Accepts]: Start accepts. Automaton has 198955 states and 286310 transitions. Word has length 88 [2021-11-02 22:10:57,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:10:57,769 INFO L470 AbstractCegarLoop]: Abstraction has 198955 states and 286310 transitions. [2021-11-02 22:10:57,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (6), 1 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:10:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 198955 states and 286310 transitions. [2021-11-02 22:10:57,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-02 22:10:57,841 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:10:57,841 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:10:57,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-02 22:10:57,841 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)] === [2021-11-02 22:10:57,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:10:57,842 INFO L85 PathProgramCache]: Analyzing trace with hash 2064993482, now seen corresponding path program 1 times [2021-11-02 22:10:57,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:10:57,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237615309] [2021-11-02 22:10:57,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:10:57,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:10:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:10:58,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:10:58,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:10:58,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237615309] [2021-11-02 22:10:58,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237615309] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:10:58,397 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:10:58,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:10:58,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528975383] [2021-11-02 22:10:58,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 22:10:58,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:10:58,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 22:10:58,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:10:58,398 INFO L87 Difference]: Start difference. First operand 198955 states and 286310 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:11:00,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:11:03,205 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:12:08,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:12:10,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:12:24,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:12:24,869 INFO L93 Difference]: Finished difference Result 469401 states and 674100 transitions. [2021-11-02 22:12:24,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:12:24,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-11-02 22:12:24,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:12:26,275 INFO L225 Difference]: With dead ends: 469401 [2021-11-02 22:12:26,276 INFO L226 Difference]: Without dead ends: 335210 [2021-11-02 22:12:27,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 57.89ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:12:27,240 INFO L933 BasicCegarLoop]: 738 mSDtfsCounter, 12246 mSDsluCounter, 28520 mSDsCounter, 0 mSdLazyCounter, 38274 mSolverCounterSat, 371 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65808.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12323 SdHoareTripleChecker+Valid, 2514 SdHoareTripleChecker+Invalid, 38649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 152.15ms SdHoareTripleChecker+Time, 371 IncrementalHoareTripleChecker+Valid, 38274 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77876.39ms IncrementalHoareTripleChecker+Time [2021-11-02 22:12:27,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12323 Valid, 2514 Invalid, 38649 Unknown, 0 Unchecked, 152.15ms Time], IncrementalHoareTripleChecker [371 Valid, 38274 Invalid, 4 Unknown, 0 Unchecked, 77876.39ms Time] [2021-11-02 22:12:27,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335210 states. [2021-11-02 22:12:33,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335210 to 198967. [2021-11-02 22:12:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198967 states, 188870 states have (on average 1.3952559961878541) internal successors, (263522), 191408 states have internal predecessors, (263522), 8122 states have call successors, (8122), 1956 states have call predecessors, (8122), 1950 states have return successors, (14678), 7003 states have call predecessors, (14678), 8086 states have call successors, (14678) [2021-11-02 22:12:34,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198967 states to 198967 states and 286322 transitions. [2021-11-02 22:12:34,868 INFO L78 Accepts]: Start accepts. Automaton has 198967 states and 286322 transitions. Word has length 90 [2021-11-02 22:12:34,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:12:34,869 INFO L470 AbstractCegarLoop]: Abstraction has 198967 states and 286322 transitions. [2021-11-02 22:12:34,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:12:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 198967 states and 286322 transitions. [2021-11-02 22:12:34,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-02 22:12:34,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 22:12:34,902 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:12:34,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-02 22:12:34,902 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-02 22:12:34,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:12:34,903 INFO L85 PathProgramCache]: Analyzing trace with hash -56926007, now seen corresponding path program 1 times [2021-11-02 22:12:34,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:12:34,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296758613] [2021-11-02 22:12:34,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:12:34,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:12:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:12:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-02 22:12:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:12:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 22:12:35,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:12:35,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296758613] [2021-11-02 22:12:35,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296758613] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:12:35,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:12:35,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-02 22:12:35,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992401634] [2021-11-02 22:12:35,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-02 22:12:35,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:12:35,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 22:12:35,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-02 22:12:35,477 INFO L87 Difference]: Start difference. First operand 198967 states and 286322 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-11-02 22:12:37,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:12:40,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:13:05,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 22:13:58,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:13:58,329 INFO L93 Difference]: Finished difference Result 579336 states and 836565 transitions. [2021-11-02 22:13:58,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:13:58,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 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 104 [2021-11-02 22:13:58,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:14:00,401 INFO L225 Difference]: With dead ends: 579336 [2021-11-02 22:14:00,402 INFO L226 Difference]: Without dead ends: 380396 [2021-11-02 22:14:01,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 55.79ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-02 22:14:01,293 INFO L933 BasicCegarLoop]: 671 mSDtfsCounter, 5386 mSDsluCounter, 13988 mSDsCounter, 0 mSdLazyCounter, 26268 mSolverCounterSat, 308 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59563.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5427 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 26579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 145.84ms SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 26268 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72045.95ms IncrementalHoareTripleChecker+Time [2021-11-02 22:14:01,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5427 Valid, 1295 Invalid, 26579 Unknown, 0 Unchecked, 145.84ms Time], IncrementalHoareTripleChecker [308 Valid, 26268 Invalid, 3 Unknown, 0 Unchecked, 72045.95ms Time] [2021-11-02 22:14:01,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380396 states.