/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -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 -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 14:51:30,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 14:51:30,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 14:51:30,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 14:51:30,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 14:51:30,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 14:51:30,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 14:51:30,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 14:51:30,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 14:51:30,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 14:51:30,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 14:51:30,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 14:51:30,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 14:51:30,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 14:51:30,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 14:51:30,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 14:51:30,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 14:51:30,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 14:51:30,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 14:51:30,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 14:51:30,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 14:51:30,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 14:51:30,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 14:51:30,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 14:51:30,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 14:51:30,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 14:51:30,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 14:51:30,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 14:51:30,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 14:51:30,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 14:51:30,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 14:51:30,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 14:51:30,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 14:51:30,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 14:51:30,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 14:51:30,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 14:51:30,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 14:51:30,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 14:51:30,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 14:51:30,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 14:51:30,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 14:51:30,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 14:51:31,045 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 14:51:31,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 14:51:31,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 14:51:31,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 14:51:31,048 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 14:51:31,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 14:51:31,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 14:51:31,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 14:51:31,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 14:51:31,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 14:51:31,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 14:51:31,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 14:51:31,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 14:51:31,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 14:51:31,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 14:51:31,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 14:51:31,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 14:51:31,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:51:31,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 14:51:31,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 14:51:31,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 14:51:31,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 14:51:31,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 14:51:31,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 14:51:31,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 14:51:31,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 14:51:31,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 14:51:31,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 14:51:31,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 14:51:31,525 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 14:51:31,526 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 14:51:31,527 INFO L432 ainManager$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 [2020-12-22 14:51:31,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/911757d38/c80e0332e2af4c159b20448c26820c5b/FLAG09cf5357c [2020-12-22 14:51:32,986 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 14:51:32,987 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 [2020-12-22 14:51:33,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/911757d38/c80e0332e2af4c159b20448c26820c5b/FLAG09cf5357c [2020-12-22 14:51:33,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/911757d38/c80e0332e2af4c159b20448c26820c5b [2020-12-22 14:51:33,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 14:51:33,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 14:51:33,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 14:51:33,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 14:51:33,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 14:51:33,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:51:33" (1/1) ... [2020-12-22 14:51:33,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f6ee4da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:33, skipping insertion in model container [2020-12-22 14:51:33,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:51:33" (1/1) ... [2020-12-22 14:51:33,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 14:51:33,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 14:51:36,303 WARN L226 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] [2020-12-22 14:51:36,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:51:36,422 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 14:51:36,831 WARN L226 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] [2020-12-22 14:51:36,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:51:37,613 INFO L208 MainTranslator]: Completed translation [2020-12-22 14:51:37,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37 WrapperNode [2020-12-22 14:51:37,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 14:51:37,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 14:51:37,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 14:51:37,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 14:51:37,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37" (1/1) ... [2020-12-22 14:51:37,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37" (1/1) ... [2020-12-22 14:51:38,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 14:51:38,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 14:51:38,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 14:51:38,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 14:51:38,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37" (1/1) ... [2020-12-22 14:51:38,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37" (1/1) ... [2020-12-22 14:51:39,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37" (1/1) ... [2020-12-22 14:51:39,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37" (1/1) ... [2020-12-22 14:51:39,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37" (1/1) ... [2020-12-22 14:51:39,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37" (1/1) ... [2020-12-22 14:51:40,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37" (1/1) ... [2020-12-22 14:51:40,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 14:51:40,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 14:51:40,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 14:51:40,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 14:51:40,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:51:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2020-12-22 14:51:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2020-12-22 14:51:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2020-12-22 14:51:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2020-12-22 14:51:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2020-12-22 14:51:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 14:51:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 14:51:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2020-12-22 14:51:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2020-12-22 14:51:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2020-12-22 14:51:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2020-12-22 14:51:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2020-12-22 14:51:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2020-12-22 14:51:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2020-12-22 14:51:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2020-12-22 14:51:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2020-12-22 14:51:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2020-12-22 14:51:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2020-12-22 14:51:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2020-12-22 14:51:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2020-12-22 14:51:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 14:51:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2020-12-22 14:51:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2020-12-22 14:51:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2020-12-22 14:51:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2020-12-22 14:51:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 14:51:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2020-12-22 14:51:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2020-12-22 14:51:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2020-12-22 14:51:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2020-12-22 14:51:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2020-12-22 14:51:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 14:51:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2020-12-22 14:51:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2020-12-22 14:51:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 14:51:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2020-12-22 14:51:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2020-12-22 14:51:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2020-12-22 14:51:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2020-12-22 14:51:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2020-12-22 14:51:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2020-12-22 14:51:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2020-12-22 14:51:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2020-12-22 14:51:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2020-12-22 14:51:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2020-12-22 14:51:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2020-12-22 14:51:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2020-12-22 14:51:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 14:51:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2020-12-22 14:51:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2020-12-22 14:51:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2020-12-22 14:51:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2020-12-22 14:51:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2020-12-22 14:51:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2020-12-22 14:51:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 14:51:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 14:51:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2020-12-22 14:51:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2020-12-22 14:51:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2020-12-22 14:51:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2020-12-22 14:51:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2020-12-22 14:51:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2020-12-22 14:51:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2020-12-22 14:51:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2020-12-22 14:51:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 14:51:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2020-12-22 14:51:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2020-12-22 14:51:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 14:51:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2020-12-22 14:51:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2020-12-22 14:51:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2020-12-22 14:51:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2020-12-22 14:51:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2020-12-22 14:51:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2020-12-22 14:51:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2020-12-22 14:51:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2020-12-22 14:51:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 14:51:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 14:51:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:51:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:51:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:51:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:51:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2020-12-22 14:51:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2020-12-22 14:51:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-12-22 14:51:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-12-22 14:51:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 14:51:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-12-22 14:51:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-12-22 14:51:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 14:51:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 14:52:54,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 14:52:54,503 INFO L299 CfgBuilder]: Removed 5760 assume(true) statements. [2020-12-22 14:52:54,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:52:54 BoogieIcfgContainer [2020-12-22 14:52:54,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 14:52:54,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 14:52:54,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 14:52:54,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 14:52:54,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:51:33" (1/3) ... [2020-12-22 14:52:54,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff3a3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:52:54, skipping insertion in model container [2020-12-22 14:52:54,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:37" (2/3) ... [2020-12-22 14:52:54,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff3a3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:52:54, skipping insertion in model container [2020-12-22 14:52:54,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:52:54" (3/3) ... [2020-12-22 14:52:54,521 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2020-12-22 14:52:54,528 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 14:52:54,538 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 28 error locations. [2020-12-22 14:52:54,560 INFO L253 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2020-12-22 14:52:54,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 14:52:54,624 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 14:52:54,624 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 14:52:54,624 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 14:52:54,624 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 14:52:54,625 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 14:52:54,626 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 14:52:54,626 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 14:52:54,769 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states. [2020-12-22 14:52:54,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 14:52:54,793 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:52:54,795 INFO L422 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] [2020-12-22 14:52:54,797 INFO L429 AbstractCegarLoop]: === Iteration 1 === [xpc_discoveryErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr2ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:52:54,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:52:54,805 INFO L82 PathProgramCache]: Analyzing trace with hash -409329818, now seen corresponding path program 1 times [2020-12-22 14:52:54,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:52:54,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407543442] [2020-12-22 14:52:54,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:52:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:52:55,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:52:55,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407543442] [2020-12-22 14:52:55,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:52:55,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:52:55,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186856676] [2020-12-22 14:52:55,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 14:52:55,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:52:55,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 14:52:56,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:52:56,006 INFO L87 Difference]: Start difference. First operand 5228 states. Second operand 2 states. [2020-12-22 14:52:56,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:52:56,416 INFO L93 Difference]: Finished difference Result 10452 states and 14751 transitions. [2020-12-22 14:52:56,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 14:52:56,426 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 38 [2020-12-22 14:52:56,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:52:56,507 INFO L225 Difference]: With dead ends: 10452 [2020-12-22 14:52:56,508 INFO L226 Difference]: Without dead ends: 5142 [2020-12-22 14:52:56,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:52:56,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5142 states. [2020-12-22 14:52:56,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5142 to 5142. [2020-12-22 14:52:56,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5142 states. [2020-12-22 14:52:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 5142 states and 7003 transitions. [2020-12-22 14:52:56,941 INFO L78 Accepts]: Start accepts. Automaton has 5142 states and 7003 transitions. Word has length 38 [2020-12-22 14:52:56,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:52:56,941 INFO L481 AbstractCegarLoop]: Abstraction has 5142 states and 7003 transitions. [2020-12-22 14:52:56,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 14:52:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 5142 states and 7003 transitions. [2020-12-22 14:52:56,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 14:52:56,951 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:52:56,951 INFO L422 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] [2020-12-22 14:52:56,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 14:52:56,952 INFO L429 AbstractCegarLoop]: === Iteration 2 === [xpc_discoveryErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr2ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:52:56,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:52:56,955 INFO L82 PathProgramCache]: Analyzing trace with hash -433945746, now seen corresponding path program 1 times [2020-12-22 14:52:56,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:52:56,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280739219] [2020-12-22 14:52:56,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:52:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:52:57,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:52:57,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280739219] [2020-12-22 14:52:57,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:52:57,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:52:57,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642294037] [2020-12-22 14:52:57,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:52:57,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:52:57,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:52:57,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:52:57,726 INFO L87 Difference]: Start difference. First operand 5142 states and 7003 transitions. Second operand 3 states. [2020-12-22 14:52:58,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:52:58,128 INFO L93 Difference]: Finished difference Result 12073 states and 16501 transitions. [2020-12-22 14:52:58,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:52:58,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-12-22 14:52:58,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:52:58,181 INFO L225 Difference]: With dead ends: 12073 [2020-12-22 14:52:58,181 INFO L226 Difference]: Without dead ends: 6956 [2020-12-22 14:52:58,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:52:58,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6956 states. [2020-12-22 14:52:58,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6956 to 5143. [2020-12-22 14:52:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5143 states. [2020-12-22 14:52:58,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 7004 transitions. [2020-12-22 14:52:58,436 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 7004 transitions. Word has length 38 [2020-12-22 14:52:58,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:52:58,437 INFO L481 AbstractCegarLoop]: Abstraction has 5143 states and 7004 transitions. [2020-12-22 14:52:58,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:52:58,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 7004 transitions. [2020-12-22 14:52:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-22 14:52:58,446 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:52:58,446 INFO L422 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] [2020-12-22 14:52:58,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 14:52:58,447 INFO L429 AbstractCegarLoop]: === Iteration 3 === [xpc_discoveryErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr2ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:52:58,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:52:58,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1795589639, now seen corresponding path program 1 times [2020-12-22 14:52:58,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:52:58,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467371288] [2020-12-22 14:52:58,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:52:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:52:59,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:52:59,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467371288] [2020-12-22 14:52:59,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:52:59,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:52:59,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177559453] [2020-12-22 14:52:59,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:52:59,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:52:59,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:52:59,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:52:59,111 INFO L87 Difference]: Start difference. First operand 5143 states and 7004 transitions. Second operand 3 states. [2020-12-22 14:52:59,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:52:59,443 INFO L93 Difference]: Finished difference Result 12794 states and 17435 transitions. [2020-12-22 14:52:59,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:52:59,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-22 14:52:59,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:52:59,505 INFO L225 Difference]: With dead ends: 12794 [2020-12-22 14:52:59,505 INFO L226 Difference]: Without dead ends: 7676 [2020-12-22 14:52:59,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:52:59,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7676 states. [2020-12-22 14:52:59,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7676 to 5145. [2020-12-22 14:52:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5145 states. [2020-12-22 14:52:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 5145 states and 7007 transitions. [2020-12-22 14:52:59,771 INFO L78 Accepts]: Start accepts. Automaton has 5145 states and 7007 transitions. Word has length 47 [2020-12-22 14:52:59,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:52:59,772 INFO L481 AbstractCegarLoop]: Abstraction has 5145 states and 7007 transitions. [2020-12-22 14:52:59,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:52:59,772 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 7007 transitions. [2020-12-22 14:52:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-22 14:52:59,774 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:52:59,774 INFO L422 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] [2020-12-22 14:52:59,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 14:52:59,775 INFO L429 AbstractCegarLoop]: === Iteration 4 === [xpc_discoveryErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr2ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:52:59,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:52:59,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1738331337, now seen corresponding path program 1 times [2020-12-22 14:52:59,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:52:59,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741970604] [2020-12-22 14:52:59,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:53:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:53:00,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:53:00,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741970604] [2020-12-22 14:53:00,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:53:00,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:53:00,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298067943] [2020-12-22 14:53:00,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:53:00,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:53:00,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:53:00,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:53:00,455 INFO L87 Difference]: Start difference. First operand 5145 states and 7007 transitions. Second operand 3 states. [2020-12-22 14:53:01,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:53:01,800 INFO L93 Difference]: Finished difference Result 8470 states and 11713 transitions. [2020-12-22 14:53:01,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:53:01,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-22 14:53:01,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:53:01,858 INFO L225 Difference]: With dead ends: 8470 [2020-12-22 14:53:01,858 INFO L226 Difference]: Without dead ends: 8414 [2020-12-22 14:53:01,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:53:01,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8414 states. [2020-12-22 14:53:02,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8414 to 8347. [2020-12-22 14:53:02,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8347 states. [2020-12-22 14:53:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8347 states to 8347 states and 11564 transitions. [2020-12-22 14:53:02,171 INFO L78 Accepts]: Start accepts. Automaton has 8347 states and 11564 transitions. Word has length 47 [2020-12-22 14:53:02,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:53:02,172 INFO L481 AbstractCegarLoop]: Abstraction has 8347 states and 11564 transitions. [2020-12-22 14:53:02,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:53:02,172 INFO L276 IsEmpty]: Start isEmpty. Operand 8347 states and 11564 transitions. [2020-12-22 14:53:02,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-22 14:53:02,178 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:53:02,178 INFO L422 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] [2020-12-22 14:53:02,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 14:53:02,179 INFO L429 AbstractCegarLoop]: === Iteration 5 === [xpc_discoveryErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr2ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:53:02,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:53:02,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1290968370, now seen corresponding path program 1 times [2020-12-22 14:53:02,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:53:02,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285774207] [2020-12-22 14:53:02,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:53:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:53:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:53:02,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285774207] [2020-12-22 14:53:02,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:53:02,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:53:02,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915979633] [2020-12-22 14:53:02,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:53:02,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:53:02,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:53:02,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:53:02,687 INFO L87 Difference]: Start difference. First operand 8347 states and 11564 transitions. Second operand 5 states. [2020-12-22 14:53:10,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:53:10,988 INFO L93 Difference]: Finished difference Result 40814 states and 57124 transitions. [2020-12-22 14:53:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:53:10,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-12-22 14:53:10,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:53:11,146 INFO L225 Difference]: With dead ends: 40814 [2020-12-22 14:53:11,147 INFO L226 Difference]: Without dead ends: 32492 [2020-12-22 14:53:11,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:53:11,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32492 states. [2020-12-22 14:53:12,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32492 to 32253. [2020-12-22 14:53:12,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32253 states. [2020-12-22 14:53:12,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32253 states to 32253 states and 45403 transitions. [2020-12-22 14:53:12,470 INFO L78 Accepts]: Start accepts. Automaton has 32253 states and 45403 transitions. Word has length 65 [2020-12-22 14:53:12,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:53:12,474 INFO L481 AbstractCegarLoop]: Abstraction has 32253 states and 45403 transitions. [2020-12-22 14:53:12,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:53:12,474 INFO L276 IsEmpty]: Start isEmpty. Operand 32253 states and 45403 transitions. [2020-12-22 14:53:12,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-22 14:53:12,481 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:53:12,482 INFO L422 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] [2020-12-22 14:53:12,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 14:53:12,482 INFO L429 AbstractCegarLoop]: === Iteration 6 === [xpc_discoveryErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr2ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:53:12,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:53:12,483 INFO L82 PathProgramCache]: Analyzing trace with hash 231355082, now seen corresponding path program 1 times [2020-12-22 14:53:12,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:53:12,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927193347] [2020-12-22 14:53:12,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:53:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:53:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:53:13,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927193347] [2020-12-22 14:53:13,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:53:13,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:53:13,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535386298] [2020-12-22 14:53:13,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:53:13,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:53:13,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:53:13,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:53:13,022 INFO L87 Difference]: Start difference. First operand 32253 states and 45403 transitions. Second operand 5 states. [2020-12-22 14:53:17,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:53:17,601 INFO L93 Difference]: Finished difference Result 64465 states and 90745 transitions. [2020-12-22 14:53:17,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 14:53:17,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-12-22 14:53:17,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:53:17,767 INFO L225 Difference]: With dead ends: 64465 [2020-12-22 14:53:17,768 INFO L226 Difference]: Without dead ends: 32237 [2020-12-22 14:53:17,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:53:17,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32237 states. [2020-12-22 14:53:19,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32237 to 32237. [2020-12-22 14:53:19,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32237 states. [2020-12-22 14:53:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45353 transitions. [2020-12-22 14:53:19,852 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45353 transitions. Word has length 68 [2020-12-22 14:53:19,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:53:19,852 INFO L481 AbstractCegarLoop]: Abstraction has 32237 states and 45353 transitions. [2020-12-22 14:53:19,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:53:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45353 transitions. [2020-12-22 14:53:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-22 14:53:19,863 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:53:19,864 INFO L422 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] [2020-12-22 14:53:19,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 14:53:19,864 INFO L429 AbstractCegarLoop]: === Iteration 7 === [xpc_discoveryErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr2ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:53:19,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:53:19,865 INFO L82 PathProgramCache]: Analyzing trace with hash -688623935, now seen corresponding path program 1 times [2020-12-22 14:53:19,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:53:19,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737157180] [2020-12-22 14:53:19,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:53:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:53:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:53:20,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737157180] [2020-12-22 14:53:20,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:53:20,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:53:20,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558487339] [2020-12-22 14:53:20,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:53:20,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:53:20,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:53:20,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:53:20,418 INFO L87 Difference]: Start difference. First operand 32237 states and 45353 transitions. Second operand 3 states. [2020-12-22 14:53:24,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:53:24,330 INFO L93 Difference]: Finished difference Result 88099 states and 124814 transitions. [2020-12-22 14:53:24,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:53:24,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-12-22 14:53:24,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:53:24,766 INFO L225 Difference]: With dead ends: 88099 [2020-12-22 14:53:24,767 INFO L226 Difference]: Without dead ends: 55887 [2020-12-22 14:53:24,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:53:24,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55887 states. [2020-12-22 14:53:27,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55887 to 55855. [2020-12-22 14:53:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55855 states. [2020-12-22 14:53:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55855 states to 55855 states and 79448 transitions. [2020-12-22 14:53:27,793 INFO L78 Accepts]: Start accepts. Automaton has 55855 states and 79448 transitions. Word has length 81 [2020-12-22 14:53:27,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:53:27,794 INFO L481 AbstractCegarLoop]: Abstraction has 55855 states and 79448 transitions. [2020-12-22 14:53:27,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:53:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 55855 states and 79448 transitions. [2020-12-22 14:53:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-22 14:53:27,809 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:53:27,809 INFO L422 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] [2020-12-22 14:53:27,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 14:53:27,810 INFO L429 AbstractCegarLoop]: === Iteration 8 === [xpc_discoveryErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr2ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:53:27,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:53:27,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1005049575, now seen corresponding path program 1 times [2020-12-22 14:53:27,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:53:27,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282316431] [2020-12-22 14:53:27,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:53:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:53:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:53:28,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282316431] [2020-12-22 14:53:28,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:53:28,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:53:28,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680323119] [2020-12-22 14:53:28,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:53:28,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:53:28,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:53:28,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:53:28,483 INFO L87 Difference]: Start difference. First operand 55855 states and 79448 transitions. Second operand 3 states. [2020-12-22 14:53:31,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:53:31,794 INFO L93 Difference]: Finished difference Result 165387 states and 235386 transitions. [2020-12-22 14:53:31,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:53:31,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-12-22 14:53:31,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:53:32,641 INFO L225 Difference]: With dead ends: 165387 [2020-12-22 14:53:32,642 INFO L226 Difference]: Without dead ends: 109557 [2020-12-22 14:53:32,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:53:33,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109557 states. [2020-12-22 14:53:37,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109557 to 109507. [2020-12-22 14:53:37,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109507 states. [2020-12-22 14:53:38,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109507 states to 109507 states and 155924 transitions. [2020-12-22 14:53:38,138 INFO L78 Accepts]: Start accepts. Automaton has 109507 states and 155924 transitions. Word has length 86 [2020-12-22 14:53:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:53:38,140 INFO L481 AbstractCegarLoop]: Abstraction has 109507 states and 155924 transitions. [2020-12-22 14:53:38,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:53:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 109507 states and 155924 transitions. [2020-12-22 14:53:38,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-22 14:53:38,166 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:53:38,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:53:38,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 14:53:38,167 INFO L429 AbstractCegarLoop]: === Iteration 9 === [xpc_discoveryErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr2ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:53:38,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:53:38,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1574416887, now seen corresponding path program 1 times [2020-12-22 14:53:38,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:53:38,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465656010] [2020-12-22 14:53:38,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:53:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:53:38,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-12-22 14:53:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:53:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:53:38,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465656010] [2020-12-22 14:53:38,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:53:38,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:53:38,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511706718] [2020-12-22 14:53:38,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:53:38,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:53:38,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:53:38,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:53:38,670 INFO L87 Difference]: Start difference. First operand 109507 states and 155924 transitions. Second operand 4 states. [2020-12-22 14:54:02,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:54:02,366 INFO L93 Difference]: Finished difference Result 322799 states and 461134 transitions. [2020-12-22 14:54:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:54:02,367 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2020-12-22 14:54:02,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:54:03,625 INFO L225 Difference]: With dead ends: 322799 [2020-12-22 14:54:03,625 INFO L226 Difference]: Without dead ends: 213317 [2020-12-22 14:54:03,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:54:04,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213317 states. [2020-12-22 14:54:11,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213317 to 211867. [2020-12-22 14:54:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211867 states. [2020-12-22 14:54:13,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211867 states to 211867 states and 302936 transitions. [2020-12-22 14:54:13,394 INFO L78 Accepts]: Start accepts. Automaton has 211867 states and 302936 transitions. Word has length 107 [2020-12-22 14:54:13,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:54:13,395 INFO L481 AbstractCegarLoop]: Abstraction has 211867 states and 302936 transitions. [2020-12-22 14:54:13,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:54:13,395 INFO L276 IsEmpty]: Start isEmpty. Operand 211867 states and 302936 transitions. [2020-12-22 14:54:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-22 14:54:13,438 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:54:13,438 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:54:13,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 14:54:13,439 INFO L429 AbstractCegarLoop]: === Iteration 10 === [xpc_discoveryErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr2ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:54:13,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:54:13,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1313096634, now seen corresponding path program 1 times [2020-12-22 14:54:13,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:54:13,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520894745] [2020-12-22 14:54:13,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:54:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:54:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:54:14,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520894745] [2020-12-22 14:54:14,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:54:14,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 14:54:14,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95970579] [2020-12-22 14:54:14,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:54:14,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:54:14,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:54:14,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:54:14,989 INFO L87 Difference]: Start difference. First operand 211867 states and 302936 transitions. Second operand 5 states. [2020-12-22 14:54:24,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:54:24,996 INFO L93 Difference]: Finished difference Result 423805 states and 605973 transitions. [2020-12-22 14:54:24,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:54:24,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-12-22 14:54:24,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:54:25,935 INFO L225 Difference]: With dead ends: 423805 [2020-12-22 14:54:25,935 INFO L226 Difference]: Without dead ends: 211835 [2020-12-22 14:54:26,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 14:54:27,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211835 states. [2020-12-22 14:54:33,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211835 to 211835. [2020-12-22 14:54:33,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211835 states. [2020-12-22 14:54:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211835 states to 211835 states and 302872 transitions. [2020-12-22 14:54:35,376 INFO L78 Accepts]: Start accepts. Automaton has 211835 states and 302872 transitions. Word has length 108 [2020-12-22 14:54:35,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:54:35,376 INFO L481 AbstractCegarLoop]: Abstraction has 211835 states and 302872 transitions. [2020-12-22 14:54:35,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:54:35,377 INFO L276 IsEmpty]: Start isEmpty. Operand 211835 states and 302872 transitions. [2020-12-22 14:54:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-22 14:54:35,407 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:54:35,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:54:35,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 14:54:35,407 INFO L429 AbstractCegarLoop]: === Iteration 11 === [xpc_discoveryErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr2ASSERT_VIOLATIONERROR_FUNCTION, xpc_discoveryErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_get_rsvd_page_paErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr1ASSERT_VIOLATIONERROR_FUNCTION, xpc_setup_ch_structuresErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:54:35,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:54:35,408 INFO L82 PathProgramCache]: Analyzing trace with hash -664827477, now seen corresponding path program 1 times [2020-12-22 14:54:35,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:54:35,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911804056] [2020-12-22 14:54:35,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:54:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:54:38,180 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 21 [2020-12-22 14:54:38,566 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2020-12-22 14:54:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:54:38,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911804056] [2020-12-22 14:54:38,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:54:38,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-22 14:54:38,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343450052] [2020-12-22 14:54:38,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-22 14:54:38,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:54:38,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-22 14:54:38,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-12-22 14:54:38,932 INFO L87 Difference]: Start difference. First operand 211835 states and 302872 transitions. Second operand 12 states.