./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:40:36,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:40:36,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:40:36,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:40:36,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:40:36,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:40:36,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:40:36,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:40:36,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:40:36,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:40:36,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:40:36,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:40:36,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:40:36,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:40:36,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:40:36,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:40:36,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:40:36,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:40:36,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:40:36,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:40:36,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:40:36,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:40:36,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:40:36,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:40:36,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:40:36,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:40:36,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:40:36,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:40:36,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:40:36,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:40:36,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:40:36,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:40:36,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:40:36,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:40:36,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:40:36,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:40:36,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:40:36,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:40:36,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:40:36,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:40:36,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:40:36,167 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-19 04:40:36,203 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:40:36,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:40:36,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:40:36,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:40:36,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:40:36,212 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:40:36,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:40:36,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:40:36,213 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:40:36,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:40:36,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:40:36,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:40:36,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:40:36,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:40:36,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:40:36,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:40:36,215 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:40:36,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:40:36,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:40:36,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:40:36,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:40:36,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:40:36,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:40:36,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:40:36,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:40:36,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:40:36,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:40:36,218 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:40:36,218 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:40:36,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:40:36,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:40:36,220 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 [2021-11-19 04:40:36,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:40:36,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:40:36,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:40:36,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:40:36,557 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:40:36,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-19 04:40:36,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/data/bd72e9879/13510a1628e94422afaecd1d6a9c59c5/FLAG3caa9003e [2021-11-19 04:40:37,680 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:40:37,681 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-19 04:40:37,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/data/bd72e9879/13510a1628e94422afaecd1d6a9c59c5/FLAG3caa9003e [2021-11-19 04:40:38,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/data/bd72e9879/13510a1628e94422afaecd1d6a9c59c5 [2021-11-19 04:40:38,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:40:38,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:40:38,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:40:38,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:40:38,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:40:38,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:40:38" (1/1) ... [2021-11-19 04:40:38,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4521f892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:38, skipping insertion in model container [2021-11-19 04:40:38,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:40:38" (1/1) ... [2021-11-19 04:40:38,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:40:38,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:40:42,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2021-11-19 04:40:42,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2021-11-19 04:40:42,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2021-11-19 04:40:42,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2021-11-19 04:40:42,760 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:40:42,854 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:40:43,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2021-11-19 04:40:43,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2021-11-19 04:40:43,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2021-11-19 04:40:43,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2021-11-19 04:40:43,463 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:40:43,959 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:40:43,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43 WrapperNode [2021-11-19 04:40:43,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:40:43,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:40:43,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:40:43,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:40:43,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43" (1/1) ... [2021-11-19 04:40:44,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43" (1/1) ... [2021-11-19 04:40:44,519 INFO L137 Inliner]: procedures = 473, calls = 4636, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 8908 [2021-11-19 04:40:44,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:40:44,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:40:44,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:40:44,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:40:44,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43" (1/1) ... [2021-11-19 04:40:44,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43" (1/1) ... [2021-11-19 04:40:44,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43" (1/1) ... [2021-11-19 04:40:44,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43" (1/1) ... [2021-11-19 04:40:44,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43" (1/1) ... [2021-11-19 04:40:44,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43" (1/1) ... [2021-11-19 04:40:45,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43" (1/1) ... [2021-11-19 04:40:45,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:40:45,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:40:45,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:40:45,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:40:45,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43" (1/1) ... [2021-11-19 04:40:45,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:40:45,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:40:45,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:40:45,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90eca6cc-928d-4f7d-8ef2-a2168cf5e0d6/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:40:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2021-11-19 04:40:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2021-11-19 04:40:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-19 04:40:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-19 04:40:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2021-11-19 04:40:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2021-11-19 04:40:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2021-11-19 04:40:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2021-11-19 04:40:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 04:40:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 04:40:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-11-19 04:40:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-11-19 04:40:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2021-11-19 04:40:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2021-11-19 04:40:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 04:40:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 04:40:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2021-11-19 04:40:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2021-11-19 04:40:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 04:40:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 04:40:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2021-11-19 04:40:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2021-11-19 04:40:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2021-11-19 04:40:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2021-11-19 04:40:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2021-11-19 04:40:45,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2021-11-19 04:40:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2021-11-19 04:40:45,250 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2021-11-19 04:40:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2021-11-19 04:40:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2021-11-19 04:40:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2021-11-19 04:40:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2021-11-19 04:40:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 04:40:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 04:40:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-19 04:40:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-19 04:40:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 04:40:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 04:40:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 04:40:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 04:40:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:40:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2021-11-19 04:40:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2021-11-19 04:40:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2021-11-19 04:40:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2021-11-19 04:40:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2021-11-19 04:40:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2021-11-19 04:40:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-19 04:40:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-19 04:40:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 04:40:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 04:40:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2021-11-19 04:40:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2021-11-19 04:40:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2021-11-19 04:40:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2021-11-19 04:40:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2021-11-19 04:40:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2021-11-19 04:40:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-19 04:40:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-19 04:40:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-19 04:40:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2021-11-19 04:40:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2021-11-19 04:40:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-11-19 04:40:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-11-19 04:40:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-19 04:40:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 04:40:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 04:40:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2021-11-19 04:40:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2021-11-19 04:40:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2021-11-19 04:40:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2021-11-19 04:40:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:40:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2021-11-19 04:40:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2021-11-19 04:40:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 04:40:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 04:40:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 04:40:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 04:40:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-11-19 04:40:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-11-19 04:40:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 04:40:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 04:40:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2021-11-19 04:40:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2021-11-19 04:40:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2021-11-19 04:40:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2021-11-19 04:40:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 04:40:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2021-11-19 04:40:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2021-11-19 04:40:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2021-11-19 04:40:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2021-11-19 04:40:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 04:40:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 04:40:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2021-11-19 04:40:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2021-11-19 04:40:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 04:40:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 04:40:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:40:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2021-11-19 04:40:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2021-11-19 04:40:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 04:40:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 04:40:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2021-11-19 04:40:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2021-11-19 04:40:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 04:40:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-11-19 04:40:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-11-19 04:40:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2021-11-19 04:40:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2021-11-19 04:40:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-19 04:40:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-19 04:40:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2021-11-19 04:40:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2021-11-19 04:40:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2021-11-19 04:40:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2021-11-19 04:40:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 04:40:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 04:40:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2021-11-19 04:40:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2021-11-19 04:40:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-19 04:40:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-19 04:40:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 04:40:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 04:40:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:40:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:40:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 04:40:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 04:40:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-19 04:40:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-19 04:40:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 04:40:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 04:40:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 04:40:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 04:40:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-11-19 04:40:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-11-19 04:40:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 04:40:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 04:40:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2021-11-19 04:40:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2021-11-19 04:40:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 04:40:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 04:40:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 04:40:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 04:40:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2021-11-19 04:40:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2021-11-19 04:40:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-19 04:40:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-19 04:40:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2021-11-19 04:40:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2021-11-19 04:40:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2021-11-19 04:40:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2021-11-19 04:40:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2021-11-19 04:40:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2021-11-19 04:40:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 04:40:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 04:40:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2021-11-19 04:40:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2021-11-19 04:40:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 04:40:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 04:40:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-19 04:40:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-19 04:40:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 04:40:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 04:40:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:40:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 04:40:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 04:40:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2021-11-19 04:40:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2021-11-19 04:40:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 04:40:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2021-11-19 04:40:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2021-11-19 04:40:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2021-11-19 04:40:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2021-11-19 04:40:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2021-11-19 04:40:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2021-11-19 04:40:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-19 04:40:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-19 04:40:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 04:40:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2021-11-19 04:40:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2021-11-19 04:40:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 04:40:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 04:40:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2021-11-19 04:40:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2021-11-19 04:40:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 04:40:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 04:40:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 04:40:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 04:40:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2021-11-19 04:40:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2021-11-19 04:40:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 04:40:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 04:40:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 04:40:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 04:40:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2021-11-19 04:40:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2021-11-19 04:40:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-19 04:40:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-19 04:40:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 04:40:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 04:40:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2021-11-19 04:40:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2021-11-19 04:40:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-11-19 04:40:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-11-19 04:40:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2021-11-19 04:40:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2021-11-19 04:40:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 04:40:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 04:40:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2021-11-19 04:40:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2021-11-19 04:40:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2021-11-19 04:40:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2021-11-19 04:40:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2021-11-19 04:40:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2021-11-19 04:40:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:40:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2021-11-19 04:40:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2021-11-19 04:40:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 04:40:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 04:40:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2021-11-19 04:40:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2021-11-19 04:40:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-19 04:40:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-19 04:40:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-19 04:40:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-19 04:40:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2021-11-19 04:40:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2021-11-19 04:40:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 04:40:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 04:40:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 04:40:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 04:40:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2021-11-19 04:40:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2021-11-19 04:40:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2021-11-19 04:40:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2021-11-19 04:40:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2021-11-19 04:40:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2021-11-19 04:40:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2021-11-19 04:40:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2021-11-19 04:40:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2021-11-19 04:40:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2021-11-19 04:40:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 04:40:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:40:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-19 04:40:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-19 04:40:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2021-11-19 04:40:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2021-11-19 04:40:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 04:40:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 04:40:46,364 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:40:46,372 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:40:46,930 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 04:41:08,658 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 04:41:08,924 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:41:08,949 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:41:08,950 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 04:41:08,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:41:08 BoogieIcfgContainer [2021-11-19 04:41:08,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:41:08,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:41:08,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:41:08,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:41:08,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:40:38" (1/3) ... [2021-11-19 04:41:08,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cc7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:41:08, skipping insertion in model container [2021-11-19 04:41:08,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:40:43" (2/3) ... [2021-11-19 04:41:08,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cc7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:41:08, skipping insertion in model container [2021-11-19 04:41:08,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:41:08" (3/3) ... [2021-11-19 04:41:08,966 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-19 04:41:08,972 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:41:08,972 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 04:41:09,036 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:41:09,044 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 04:41:09,044 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 04:41:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 2661 states, 1854 states have (on average 1.306903991370011) internal successors, (2423), 1858 states have internal predecessors, (2423), 689 states have call successors, (689), 116 states have call predecessors, (689), 115 states have return successors, (681), 681 states have call predecessors, (681), 681 states have call successors, (681) [2021-11-19 04:41:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-19 04:41:09,175 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:41:09,176 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:41:09,176 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:41:09,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:41:09,182 INFO L85 PathProgramCache]: Analyzing trace with hash -263096511, now seen corresponding path program 1 times [2021-11-19 04:41:09,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:41:09,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022703606] [2021-11-19 04:41:09,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:09,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:41:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:41:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:41:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:41:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:41:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:41:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:41:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:41:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:41:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:41:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:41:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:41:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:41:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:41:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:41:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:41:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:41:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:41:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:41:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:41:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:41:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:41:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:41:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:41:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:41:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:41:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:41:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:41:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-19 04:41:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-19 04:41:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-19 04:41:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:41:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-19 04:41:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-19 04:41:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-19 04:41:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-19 04:41:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:41:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:41:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-19 04:41:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-19 04:41:11,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:41:11,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022703606] [2021-11-19 04:41:11,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022703606] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:41:11,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:41:11,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:41:11,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831523568] [2021-11-19 04:41:11,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:41:11,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:41:11,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:41:11,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:41:11,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:41:11,778 INFO L87 Difference]: Start difference. First operand has 2661 states, 1854 states have (on average 1.306903991370011) internal successors, (2423), 1858 states have internal predecessors, (2423), 689 states have call successors, (689), 116 states have call predecessors, (689), 115 states have return successors, (681), 681 states have call predecessors, (681), 681 states have call successors, (681) Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-19 04:41:13,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:41:15,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:41:23,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:41:23,702 INFO L93 Difference]: Finished difference Result 7769 states and 11221 transitions. [2021-11-19 04:41:23,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:41:23,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 430 [2021-11-19 04:41:23,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:41:23,790 INFO L225 Difference]: With dead ends: 7769 [2021-11-19 04:41:23,790 INFO L226 Difference]: Without dead ends: 5173 [2021-11-19 04:41:23,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:41:23,822 INFO L933 BasicCegarLoop]: 4280 mSDtfsCounter, 3865 mSDsluCounter, 5587 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 1424 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 9867 SdHoareTripleChecker+Invalid, 2987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1424 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-11-19 04:41:23,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 9867 Invalid, 2987 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1424 Valid, 1561 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2021-11-19 04:41:23,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5173 states. [2021-11-19 04:41:24,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 5101. [2021-11-19 04:41:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5101 states, 3583 states have (on average 1.3067262070890315) internal successors, (4682), 3590 states have internal predecessors, (4682), 1289 states have call successors, (1289), 227 states have call predecessors, (1289), 226 states have return successors, (1285), 1285 states have call predecessors, (1285), 1285 states have call successors, (1285) [2021-11-19 04:41:24,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5101 states to 5101 states and 7256 transitions. [2021-11-19 04:41:24,310 INFO L78 Accepts]: Start accepts. Automaton has 5101 states and 7256 transitions. Word has length 430 [2021-11-19 04:41:24,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:41:24,314 INFO L470 AbstractCegarLoop]: Abstraction has 5101 states and 7256 transitions. [2021-11-19 04:41:24,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-19 04:41:24,315 INFO L276 IsEmpty]: Start isEmpty. Operand 5101 states and 7256 transitions. [2021-11-19 04:41:24,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-11-19 04:41:24,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:41:24,345 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:41:24,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:41:24,348 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:41:24,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:41:24,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1368317239, now seen corresponding path program 1 times [2021-11-19 04:41:24,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:41:24,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312797488] [2021-11-19 04:41:24,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:41:24,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:41:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:41:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:24,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:41:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:41:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:41:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:24,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:41:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:41:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:41:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:41:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:41:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:41:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:41:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:41:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:41:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:41:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:41:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:41:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:41:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:41:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:41:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:41:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:41:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:41:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:41:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:41:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:41:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:41:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:41:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-19 04:41:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-19 04:41:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-19 04:41:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:41:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-19 04:41:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-19 04:41:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-19 04:41:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-19 04:41:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:41:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:41:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:41:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-19 04:41:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-19 04:41:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-19 04:41:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-19 04:41:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-19 04:41:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:26,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-19 04:41:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-19 04:41:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-11-19 04:41:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:41:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-19 04:41:26,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:41:26,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312797488] [2021-11-19 04:41:26,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312797488] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:41:26,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:41:26,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:41:26,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310666237] [2021-11-19 04:41:26,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:41:26,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:41:26,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:41:26,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:41:26,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:41:26,104 INFO L87 Difference]: Start difference. First operand 5101 states and 7256 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 04:41:28,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:41:30,249 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:41:32,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:41:38,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:41:43,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:41:47,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:41:52,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:41:56,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:41:59,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:01,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:42:01,698 INFO L93 Difference]: Finished difference Result 12802 states and 18382 transitions. [2021-11-19 04:42:01,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 04:42:01,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 480 [2021-11-19 04:42:01,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:42:01,769 INFO L225 Difference]: With dead ends: 12802 [2021-11-19 04:42:01,770 INFO L226 Difference]: Without dead ends: 7778 [2021-11-19 04:42:01,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:42:01,800 INFO L933 BasicCegarLoop]: 4123 mSDtfsCounter, 4645 mSDsluCounter, 7135 mSDsCounter, 0 mSdLazyCounter, 3304 mSolverCounterSat, 3142 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5177 SdHoareTripleChecker+Valid, 11258 SdHoareTripleChecker+Invalid, 6455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3142 IncrementalHoareTripleChecker+Valid, 3304 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2021-11-19 04:42:01,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5177 Valid, 11258 Invalid, 6455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3142 Valid, 3304 Invalid, 9 Unknown, 0 Unchecked, 34.7s Time] [2021-11-19 04:42:01,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7778 states. [2021-11-19 04:42:02,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7778 to 7500. [2021-11-19 04:42:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7500 states, 5286 states have (on average 1.3057132046916382) internal successors, (6902), 5299 states have internal predecessors, (6902), 1869 states have call successors, (1869), 343 states have call predecessors, (1869), 342 states have return successors, (1865), 1860 states have call predecessors, (1865), 1865 states have call successors, (1865) [2021-11-19 04:42:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7500 states to 7500 states and 10636 transitions. [2021-11-19 04:42:02,295 INFO L78 Accepts]: Start accepts. Automaton has 7500 states and 10636 transitions. Word has length 480 [2021-11-19 04:42:02,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:42:02,297 INFO L470 AbstractCegarLoop]: Abstraction has 7500 states and 10636 transitions. [2021-11-19 04:42:02,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 04:42:02,298 INFO L276 IsEmpty]: Start isEmpty. Operand 7500 states and 10636 transitions. [2021-11-19 04:42:02,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-11-19 04:42:02,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:42:02,320 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:42:02,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 04:42:02,321 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:42:02,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:42:02,321 INFO L85 PathProgramCache]: Analyzing trace with hash 596795748, now seen corresponding path program 1 times [2021-11-19 04:42:02,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:42:02,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431724133] [2021-11-19 04:42:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:42:02,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:42:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:42:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:42:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:42:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:42:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:42:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:42:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:42:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:42:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:42:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:42:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:02,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:42:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:42:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:42:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:42:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:42:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:42:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:42:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:42:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:42:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:42:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:42:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:42:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:42:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:42:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:42:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:42:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:42:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-19 04:42:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-19 04:42:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-19 04:42:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:42:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-19 04:42:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-19 04:42:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-19 04:42:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-19 04:42:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:42:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:42:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-19 04:42:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-19 04:42:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-19 04:42:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-19 04:42:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-19 04:42:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-19 04:42:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-19 04:42:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-19 04:42:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-19 04:42:03,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:42:03,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431724133] [2021-11-19 04:42:03,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431724133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:42:03,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:42:03,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:42:03,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264679008] [2021-11-19 04:42:03,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:42:03,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:42:03,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:42:03,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:42:03,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:42:03,890 INFO L87 Difference]: Start difference. First operand 7500 states and 10636 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 04:42:06,209 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:08,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:15,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:18,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:22,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:25,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:28,938 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:31,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:34,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:42:34,364 INFO L93 Difference]: Finished difference Result 22483 states and 32244 transitions. [2021-11-19 04:42:34,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 04:42:34,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 488 [2021-11-19 04:42:34,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:42:34,532 INFO L225 Difference]: With dead ends: 22483 [2021-11-19 04:42:34,533 INFO L226 Difference]: Without dead ends: 15060 [2021-11-19 04:42:34,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:42:34,574 INFO L933 BasicCegarLoop]: 4130 mSDtfsCounter, 4547 mSDsluCounter, 7155 mSDsCounter, 0 mSdLazyCounter, 3278 mSolverCounterSat, 3102 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5080 SdHoareTripleChecker+Valid, 11285 SdHoareTripleChecker+Invalid, 6388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3102 IncrementalHoareTripleChecker+Valid, 3278 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2021-11-19 04:42:34,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5080 Valid, 11285 Invalid, 6388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3102 Valid, 3278 Invalid, 8 Unknown, 0 Unchecked, 29.7s Time] [2021-11-19 04:42:34,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15060 states. [2021-11-19 04:42:35,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15060 to 14544. [2021-11-19 04:42:35,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14544 states, 10282 states have (on average 1.3066524022563704) internal successors, (13435), 10312 states have internal predecessors, (13435), 3590 states have call successors, (3590), 670 states have call predecessors, (3590), 669 states have return successors, (3586), 3567 states have call predecessors, (3586), 3586 states have call successors, (3586) [2021-11-19 04:42:35,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14544 states to 14544 states and 20611 transitions. [2021-11-19 04:42:35,435 INFO L78 Accepts]: Start accepts. Automaton has 14544 states and 20611 transitions. Word has length 488 [2021-11-19 04:42:35,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:42:35,437 INFO L470 AbstractCegarLoop]: Abstraction has 14544 states and 20611 transitions. [2021-11-19 04:42:35,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 04:42:35,437 INFO L276 IsEmpty]: Start isEmpty. Operand 14544 states and 20611 transitions. [2021-11-19 04:42:35,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-11-19 04:42:35,473 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:42:35,474 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:42:35,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 04:42:35,474 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:42:35,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:42:35,475 INFO L85 PathProgramCache]: Analyzing trace with hash 845280276, now seen corresponding path program 1 times [2021-11-19 04:42:35,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:42:35,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137781191] [2021-11-19 04:42:35,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:42:35,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:42:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:35,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:42:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:35,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:42:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:35,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:42:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:35,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:42:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:35,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:42:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:42:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:42:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:42:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:42:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:42:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:42:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:42:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:42:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:42:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:42:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:42:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:42:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:42:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:42:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:42:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:42:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:42:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:42:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:42:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:42:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:42:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:42:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-19 04:42:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-19 04:42:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-19 04:42:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:42:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-19 04:42:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-19 04:42:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-19 04:42:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-19 04:42:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:42:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:42:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:42:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-19 04:42:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-19 04:42:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-19 04:42:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-19 04:42:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-19 04:42:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-19 04:42:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-19 04:42:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-19 04:42:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:42:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-19 04:42:36,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:42:36,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137781191] [2021-11-19 04:42:36,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137781191] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:42:36,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:42:36,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:42:36,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539250547] [2021-11-19 04:42:36,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:42:36,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:42:36,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:42:36,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:42:36,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:42:36,996 INFO L87 Difference]: Start difference. First operand 14544 states and 20611 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 04:42:39,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:44,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:48,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:53,818 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:42:57,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:01,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:01,659 INFO L93 Difference]: Finished difference Result 39203 states and 56062 transitions. [2021-11-19 04:43:01,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 04:43:01,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 482 [2021-11-19 04:43:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:43:01,811 INFO L225 Difference]: With dead ends: 39203 [2021-11-19 04:43:01,812 INFO L226 Difference]: Without dead ends: 24736 [2021-11-19 04:43:01,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:43:01,877 INFO L933 BasicCegarLoop]: 4215 mSDtfsCounter, 4645 mSDsluCounter, 7267 mSDsCounter, 0 mSdLazyCounter, 3307 mSolverCounterSat, 3090 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5177 SdHoareTripleChecker+Valid, 11482 SdHoareTripleChecker+Invalid, 6402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3090 IncrementalHoareTripleChecker+Valid, 3307 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:43:01,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5177 Valid, 11482 Invalid, 6402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3090 Valid, 3307 Invalid, 5 Unknown, 0 Unchecked, 23.8s Time] [2021-11-19 04:43:01,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24736 states. [2021-11-19 04:43:03,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24736 to 23890. [2021-11-19 04:43:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23890 states, 16924 states have (on average 1.3054242495863861) internal successors, (22093), 16982 states have internal predecessors, (22093), 5842 states have call successors, (5842), 1122 states have call predecessors, (5842), 1121 states have return successors, (5838), 5795 states have call predecessors, (5838), 5838 states have call successors, (5838) [2021-11-19 04:43:03,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23890 states to 23890 states and 33773 transitions. [2021-11-19 04:43:03,215 INFO L78 Accepts]: Start accepts. Automaton has 23890 states and 33773 transitions. Word has length 482 [2021-11-19 04:43:03,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:03,216 INFO L470 AbstractCegarLoop]: Abstraction has 23890 states and 33773 transitions. [2021-11-19 04:43:03,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 04:43:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 23890 states and 33773 transitions. [2021-11-19 04:43:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-11-19 04:43:03,238 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:03,238 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:43:03,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 04:43:03,239 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:43:03,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:03,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1500503211, now seen corresponding path program 1 times [2021-11-19 04:43:03,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:03,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667448704] [2021-11-19 04:43:03,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:03,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:43:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:43:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:43:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:43:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:43:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:43:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:43:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:43:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:43:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:43:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:43:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:43:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:43:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-19 04:43:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-19 04:43:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-19 04:43:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:43:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-19 04:43:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-19 04:43:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-19 04:43:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-19 04:43:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:43:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:43:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-11-19 04:43:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-19 04:43:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-19 04:43:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-19 04:43:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-19 04:43:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-19 04:43:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-11-19 04:43:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-19 04:43:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-19 04:43:04,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:43:04,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667448704] [2021-11-19 04:43:04,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667448704] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:43:04,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:43:04,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:43:04,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820717221] [2021-11-19 04:43:04,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:43:04,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:43:04,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:43:04,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:43:04,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:43:04,578 INFO L87 Difference]: Start difference. First operand 23890 states and 33773 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 04:43:06,663 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:08,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:10,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:15,538 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:19,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:26,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:28,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:32,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:35,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:37,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:37,552 INFO L93 Difference]: Finished difference Result 66053 states and 94277 transitions. [2021-11-19 04:43:37,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 04:43:37,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 481 [2021-11-19 04:43:37,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:43:37,782 INFO L225 Difference]: With dead ends: 66053 [2021-11-19 04:43:37,783 INFO L226 Difference]: Without dead ends: 42240 [2021-11-19 04:43:37,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:43:37,864 INFO L933 BasicCegarLoop]: 4551 mSDtfsCounter, 4455 mSDsluCounter, 7572 mSDsCounter, 0 mSdLazyCounter, 3426 mSolverCounterSat, 2919 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4989 SdHoareTripleChecker+Valid, 12123 SdHoareTripleChecker+Invalid, 6354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2919 IncrementalHoareTripleChecker+Valid, 3426 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2021-11-19 04:43:37,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4989 Valid, 12123 Invalid, 6354 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2919 Valid, 3426 Invalid, 9 Unknown, 0 Unchecked, 31.6s Time] [2021-11-19 04:43:37,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42240 states. [2021-11-19 04:43:39,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42240 to 40885. [2021-11-19 04:43:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40885 states, 29012 states have (on average 1.3049083138011857) internal successors, (37858), 29126 states have internal predecessors, (37858), 9937 states have call successors, (9937), 1934 states have call predecessors, (9937), 1933 states have return successors, (9933), 9842 states have call predecessors, (9933), 9933 states have call successors, (9933) [2021-11-19 04:43:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40885 states to 40885 states and 57728 transitions. [2021-11-19 04:43:39,974 INFO L78 Accepts]: Start accepts. Automaton has 40885 states and 57728 transitions. Word has length 481 [2021-11-19 04:43:39,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:39,975 INFO L470 AbstractCegarLoop]: Abstraction has 40885 states and 57728 transitions. [2021-11-19 04:43:39,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 04:43:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand 40885 states and 57728 transitions. [2021-11-19 04:43:40,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-11-19 04:43:40,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:40,174 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:43:40,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 04:43:40,175 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:43:40,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:40,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1946866365, now seen corresponding path program 1 times [2021-11-19 04:43:40,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:40,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197466076] [2021-11-19 04:43:40,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:40,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:40,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:43:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:43:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:43:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:43:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:43:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:43:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:43:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:43:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:43:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:43:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:43:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:43:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:43:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-19 04:43:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-19 04:43:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-19 04:43:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:43:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-19 04:43:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-19 04:43:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-19 04:43:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-19 04:43:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:43:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:43:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-19 04:43:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-19 04:43:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-19 04:43:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-19 04:43:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-19 04:43:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-19 04:43:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-19 04:43:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6144 trivial. 0 not checked. [2021-11-19 04:43:41,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:43:41,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197466076] [2021-11-19 04:43:41,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197466076] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:43:41,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:43:41,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 04:43:41,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451520381] [2021-11-19 04:43:41,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:43:41,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 04:43:41,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:43:41,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 04:43:41,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 04:43:41,861 INFO L87 Difference]: Start difference. First operand 40885 states and 57728 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 04:43:43,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:46,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:43:54,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:43:54,055 INFO L93 Difference]: Finished difference Result 114928 states and 162399 transitions. [2021-11-19 04:43:54,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:43:54,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 493 [2021-11-19 04:43:54,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:43:54,557 INFO L225 Difference]: With dead ends: 114928 [2021-11-19 04:43:54,558 INFO L226 Difference]: Without dead ends: 77750 [2021-11-19 04:43:54,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:43:54,711 INFO L933 BasicCegarLoop]: 7096 mSDtfsCounter, 3457 mSDsluCounter, 7356 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 803 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3856 SdHoareTripleChecker+Valid, 14452 SdHoareTripleChecker+Invalid, 2545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-11-19 04:43:54,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3856 Valid, 14452 Invalid, 2545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 1740 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2021-11-19 04:43:54,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77750 states. [2021-11-19 04:43:57,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77750 to 76659. [2021-11-19 04:43:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76659 states, 54448 states have (on average 1.305557596238613) internal successors, (71085), 54594 states have internal predecessors, (71085), 18574 states have call successors, (18574), 3635 states have call predecessors, (18574), 3634 states have return successors, (18570), 18463 states have call predecessors, (18570), 18570 states have call successors, (18570) [2021-11-19 04:43:58,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76659 states to 76659 states and 108229 transitions. [2021-11-19 04:43:58,759 INFO L78 Accepts]: Start accepts. Automaton has 76659 states and 108229 transitions. Word has length 493 [2021-11-19 04:43:58,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:43:58,761 INFO L470 AbstractCegarLoop]: Abstraction has 76659 states and 108229 transitions. [2021-11-19 04:43:58,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-19 04:43:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 76659 states and 108229 transitions. [2021-11-19 04:43:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-11-19 04:43:58,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:43:58,795 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:43:58,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 04:43:58,795 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:43:58,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:43:58,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1646501057, now seen corresponding path program 1 times [2021-11-19 04:43:58,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:43:58,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659915285] [2021-11-19 04:43:58,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:43:58,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:43:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:43:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:43:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:43:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:43:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:43:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:43:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:43:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:43:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:43:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:43:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:43:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:43:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:43:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:43:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:43:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:43:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:44:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:44:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:44:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:44:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:44:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:44:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:44:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:44:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:44:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:44:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:44:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:44:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:44:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-19 04:44:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-19 04:44:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-19 04:44:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:44:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-19 04:44:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-19 04:44:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-19 04:44:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-19 04:44:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:44:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:44:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-19 04:44:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-19 04:44:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-19 04:44:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-19 04:44:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-19 04:44:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-19 04:44:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-19 04:44:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-11-19 04:44:00,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:44:00,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659915285] [2021-11-19 04:44:00,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659915285] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:44:00,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:44:00,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:44:00,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679412748] [2021-11-19 04:44:00,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:44:00,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:44:00,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:44:00,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:44:00,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:44:00,725 INFO L87 Difference]: Start difference. First operand 76659 states and 108229 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-19 04:44:02,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:10,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:44:10,674 INFO L93 Difference]: Finished difference Result 77752 states and 109738 transitions. [2021-11-19 04:44:10,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:44:10,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 493 [2021-11-19 04:44:10,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:44:11,076 INFO L225 Difference]: With dead ends: 77752 [2021-11-19 04:44:11,077 INFO L226 Difference]: Without dead ends: 77750 [2021-11-19 04:44:11,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:44:11,119 INFO L933 BasicCegarLoop]: 3675 mSDtfsCounter, 3588 mSDsluCounter, 8778 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 821 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3962 SdHoareTripleChecker+Valid, 12453 SdHoareTripleChecker+Invalid, 2323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-19 04:44:11,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3962 Valid, 12453 Invalid, 2323 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [821 Valid, 1501 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2021-11-19 04:44:11,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77750 states. [2021-11-19 04:44:13,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77750 to 76663. [2021-11-19 04:44:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76663 states, 54451 states have (on average 1.305540761418523) internal successors, (71088), 54597 states have internal predecessors, (71088), 18574 states have call successors, (18574), 3636 states have call predecessors, (18574), 3635 states have return successors, (18570), 18463 states have call predecessors, (18570), 18570 states have call successors, (18570) [2021-11-19 04:44:14,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76663 states to 76663 states and 108232 transitions. [2021-11-19 04:44:14,365 INFO L78 Accepts]: Start accepts. Automaton has 76663 states and 108232 transitions. Word has length 493 [2021-11-19 04:44:14,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:44:14,383 INFO L470 AbstractCegarLoop]: Abstraction has 76663 states and 108232 transitions. [2021-11-19 04:44:14,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-19 04:44:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 76663 states and 108232 transitions. [2021-11-19 04:44:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2021-11-19 04:44:14,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:44:14,408 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 5, 5, 5, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:44:14,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 04:44:14,409 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:44:14,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:44:14,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1294525306, now seen corresponding path program 1 times [2021-11-19 04:44:14,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:44:14,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792042161] [2021-11-19 04:44:14,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:44:14,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:44:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:44:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:44:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:44:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:44:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:44:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:44:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:44:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:44:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:14,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:44:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:44:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:44:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:44:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:44:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:44:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:44:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:44:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:44:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:44:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:44:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:44:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:44:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:44:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:44:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:44:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:44:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:44:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:44:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-19 04:44:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-19 04:44:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-19 04:44:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:44:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-19 04:44:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-19 04:44:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-19 04:44:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-19 04:44:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:44:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:44:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-19 04:44:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-19 04:44:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-19 04:44:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-19 04:44:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:44:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-19 04:44:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-19 04:44:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-19 04:44:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:15,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-11-19 04:44:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:16,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 04:44:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:16,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-11-19 04:44:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:44:16,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6168 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-11-19 04:44:16,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:44:16,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792042161] [2021-11-19 04:44:16,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792042161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:44:16,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:44:16,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 04:44:16,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097681014] [2021-11-19 04:44:16,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:44:16,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 04:44:16,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:44:16,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 04:44:16,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 04:44:16,037 INFO L87 Difference]: Start difference. First operand 76663 states and 108232 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-19 04:44:18,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:20,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:22,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:28,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:30,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:32,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:39,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:41,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:45,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:47,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:54,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:44:58,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:44:58,692 INFO L93 Difference]: Finished difference Result 187035 states and 264165 transitions. [2021-11-19 04:44:58,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 04:44:58,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 504 [2021-11-19 04:44:58,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:44:59,268 INFO L225 Difference]: With dead ends: 187035 [2021-11-19 04:44:59,268 INFO L226 Difference]: Without dead ends: 114079 [2021-11-19 04:44:59,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-19 04:44:59,470 INFO L933 BasicCegarLoop]: 6652 mSDtfsCounter, 4131 mSDsluCounter, 7368 mSDsCounter, 0 mSdLazyCounter, 5401 mSolverCounterSat, 2409 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4714 SdHoareTripleChecker+Valid, 14020 SdHoareTripleChecker+Invalid, 7821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2409 IncrementalHoareTripleChecker+Valid, 5401 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.6s IncrementalHoareTripleChecker+Time [2021-11-19 04:44:59,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4714 Valid, 14020 Invalid, 7821 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2409 Valid, 5401 Invalid, 11 Unknown, 0 Unchecked, 38.6s Time] [2021-11-19 04:44:59,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114079 states. [2021-11-19 04:45:03,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114079 to 112453. [2021-11-19 04:45:03,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112453 states, 79903 states have (on average 1.3057206863321777) internal successors, (104331), 80081 states have internal predecessors, (104331), 27211 states have call successors, (27211), 5337 states have call predecessors, (27211), 5336 states have return successors, (27207), 27084 states have call predecessors, (27207), 27207 states have call successors, (27207) [2021-11-19 04:45:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112453 states to 112453 states and 158749 transitions. [2021-11-19 04:45:04,542 INFO L78 Accepts]: Start accepts. Automaton has 112453 states and 158749 transitions. Word has length 504 [2021-11-19 04:45:04,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:45:04,543 INFO L470 AbstractCegarLoop]: Abstraction has 112453 states and 158749 transitions. [2021-11-19 04:45:04,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-19 04:45:04,543 INFO L276 IsEmpty]: Start isEmpty. Operand 112453 states and 158749 transitions. [2021-11-19 04:45:04,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-11-19 04:45:04,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:45:04,582 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:45:04,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 04:45:04,583 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:45:04,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:45:04,583 INFO L85 PathProgramCache]: Analyzing trace with hash 886442702, now seen corresponding path program 1 times [2021-11-19 04:45:04,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:45:04,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800401449] [2021-11-19 04:45:04,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:45:04,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:45:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:45:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:45:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:45:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:45:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:45:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:45:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:45:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:45:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:45:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:45:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:45:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:45:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:45:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:45:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:45:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:45:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:45:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:45:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:45:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:45:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:45:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:45:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:45:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:45:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:45:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:45:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:45:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-19 04:45:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-19 04:45:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:05,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-19 04:45:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:45:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-19 04:45:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-19 04:45:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-19 04:45:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-19 04:45:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:45:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:45:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-19 04:45:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-19 04:45:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-19 04:45:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-19 04:45:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-19 04:45:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-19 04:45:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-19 04:45:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-19 04:45:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:06,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-11-19 04:45:06,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:45:06,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800401449] [2021-11-19 04:45:06,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800401449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:45:06,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:45:06,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:45:06,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186004158] [2021-11-19 04:45:06,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:45:06,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:45:06,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:45:06,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:45:06,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:45:06,294 INFO L87 Difference]: Start difference. First operand 112453 states and 158749 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-19 04:45:08,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:45:17,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:45:17,013 INFO L93 Difference]: Finished difference Result 115716 states and 162657 transitions. [2021-11-19 04:45:17,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 04:45:17,013 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 498 [2021-11-19 04:45:17,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:45:17,666 INFO L225 Difference]: With dead ends: 115716 [2021-11-19 04:45:17,666 INFO L226 Difference]: Without dead ends: 115714 [2021-11-19 04:45:17,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:45:17,703 INFO L933 BasicCegarLoop]: 3681 mSDtfsCounter, 3566 mSDsluCounter, 8829 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 825 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3938 SdHoareTripleChecker+Valid, 12510 SdHoareTripleChecker+Invalid, 2359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 825 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-19 04:45:17,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3938 Valid, 12510 Invalid, 2359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [825 Valid, 1533 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2021-11-19 04:45:17,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115714 states. [2021-11-19 04:45:22,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115714 to 113883. [2021-11-19 04:45:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113883 states, 80826 states have (on average 1.3039368520030683) internal successors, (105392), 81004 states have internal predecessors, (105392), 27441 states have call successors, (27441), 5614 states have call predecessors, (27441), 5613 states have return successors, (27437), 27314 states have call predecessors, (27437), 27437 states have call successors, (27437) [2021-11-19 04:45:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113883 states to 113883 states and 160270 transitions. [2021-11-19 04:45:22,682 INFO L78 Accepts]: Start accepts. Automaton has 113883 states and 160270 transitions. Word has length 498 [2021-11-19 04:45:22,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:45:22,682 INFO L470 AbstractCegarLoop]: Abstraction has 113883 states and 160270 transitions. [2021-11-19 04:45:22,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-19 04:45:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 113883 states and 160270 transitions. [2021-11-19 04:45:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2021-11-19 04:45:22,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:45:22,705 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:45:22,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 04:45:22,706 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:45:22,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:45:22,706 INFO L85 PathProgramCache]: Analyzing trace with hash -17900449, now seen corresponding path program 1 times [2021-11-19 04:45:22,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:45:22,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809228104] [2021-11-19 04:45:22,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:45:22,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:45:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:45:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:45:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:45:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:45:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:45:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:45:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:45:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:45:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:45:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:45:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:45:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:45:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:45:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:45:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:45:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:45:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:45:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:45:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:45:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:23,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:45:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:45:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:45:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:45:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:45:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:45:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:45:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:45:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-19 04:45:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-19 04:45:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-19 04:45:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:45:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-19 04:45:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-19 04:45:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-19 04:45:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-19 04:45:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:45:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:45:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-19 04:45:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-19 04:45:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-19 04:45:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-19 04:45:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-19 04:45:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-19 04:45:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-19 04:45:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-19 04:45:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-19 04:45:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:24,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6168 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6164 trivial. 0 not checked. [2021-11-19 04:45:24,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:45:24,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809228104] [2021-11-19 04:45:24,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809228104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:45:24,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:45:24,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:45:24,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594343483] [2021-11-19 04:45:24,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:45:24,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:45:24,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:45:24,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:45:24,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:45:24,511 INFO L87 Difference]: Start difference. First operand 113883 states and 160270 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-19 04:45:26,600 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 04:45:34,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:45:34,707 INFO L93 Difference]: Finished difference Result 115720 states and 162660 transitions. [2021-11-19 04:45:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 04:45:34,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 503 [2021-11-19 04:45:34,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:45:35,214 INFO L225 Difference]: With dead ends: 115720 [2021-11-19 04:45:35,214 INFO L226 Difference]: Without dead ends: 115718 [2021-11-19 04:45:35,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-19 04:45:35,260 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 3580 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 819 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 2321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-19 04:45:35,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 12452 Invalid, 2321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 1501 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2021-11-19 04:45:35,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115718 states. [2021-11-19 04:45:39,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115718 to 113887. [2021-11-19 04:45:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113887 states, 80829 states have (on average 1.303925571267738) internal successors, (105395), 81007 states have internal predecessors, (105395), 27441 states have call successors, (27441), 5615 states have call predecessors, (27441), 5614 states have return successors, (27437), 27314 states have call predecessors, (27437), 27437 states have call successors, (27437) [2021-11-19 04:45:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113887 states to 113887 states and 160273 transitions. [2021-11-19 04:45:40,449 INFO L78 Accepts]: Start accepts. Automaton has 113887 states and 160273 transitions. Word has length 503 [2021-11-19 04:45:40,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:45:40,450 INFO L470 AbstractCegarLoop]: Abstraction has 113887 states and 160273 transitions. [2021-11-19 04:45:40,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-19 04:45:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 113887 states and 160273 transitions. [2021-11-19 04:45:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2021-11-19 04:45:40,473 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:45:40,473 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:45:40,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 04:45:40,474 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 04:45:40,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:45:40,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1614574894, now seen corresponding path program 1 times [2021-11-19 04:45:40,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:45:40,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9554107] [2021-11-19 04:45:40,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:45:40,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:45:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:40,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 04:45:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:40,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:40,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-19 04:45:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-19 04:45:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:40,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:40,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-19 04:45:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:40,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-19 04:45:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-19 04:45:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-19 04:45:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-19 04:45:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-19 04:45:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 04:45:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-19 04:45:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-19 04:45:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-19 04:45:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-19 04:45:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 04:45:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-19 04:45:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-19 04:45:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-19 04:45:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-19 04:45:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-19 04:45:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-19 04:45:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-19 04:45:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-19 04:45:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-19 04:45:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 04:45:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-19 04:45:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-19 04:45:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-19 04:45:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-19 04:45:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-19 04:45:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-19 04:45:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-19 04:45:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-19 04:45:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-19 04:45:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-19 04:45:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-19 04:45:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-19 04:45:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-19 04:45:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-19 04:45:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-19 04:45:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-19 04:45:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-19 04:45:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-19 04:45:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-19 04:45:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-19 04:45:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-19 04:45:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-19 04:45:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-11-19 04:45:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:45:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6178 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6172 trivial. 0 not checked. [2021-11-19 04:45:41,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:45:41,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9554107] [2021-11-19 04:45:41,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9554107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:45:41,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:45:41,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 04:45:41,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716771978] [2021-11-19 04:45:41,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:45:41,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 04:45:41,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:45:41,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 04:45:41,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 04:45:41,964 INFO L87 Difference]: Start difference. First operand 113887 states and 160273 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-19 04:45:44,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []