./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS --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 141cc550f279b59aa80e553b6a405c5654c50ab0a30e94ad7616006c63d0c81e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 03:45:26,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:45:26,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:45:26,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:45:26,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:45:26,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:45:26,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:45:26,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:45:26,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:45:26,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:45:26,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:45:26,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:45:26,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:45:26,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:45:26,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:45:26,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:45:26,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:45:26,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:45:26,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:45:26,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:45:26,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:45:26,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:45:26,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:45:26,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:45:26,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:45:26,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:45:26,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:45:26,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:45:26,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:45:26,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:45:26,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:45:26,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:45:26,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:45:26,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:45:26,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:45:26,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:45:26,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:45:26,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:45:26,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:45:26,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:45:26,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:45:26,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 03:45:26,365 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:45:26,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:45:26,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:45:26,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:45:26,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:45:26,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:45:26,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:45:26,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:45:26,370 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:45:26,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:45:26,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:45:26,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:45:26,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:45:26,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:45:26,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:45:26,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:45:26,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:45:26,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:45:26,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:45:26,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:45:26,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:45:26,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:45:26,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:45:26,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:45:26,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:45:26,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:45:26,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:45:26,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:45:26,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:45:26,380 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:45:26,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:45:26,381 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 141cc550f279b59aa80e553b6a405c5654c50ab0a30e94ad7616006c63d0c81e [2022-11-23 03:45:26,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:45:26,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:45:26,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:45:26,774 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:45:26,775 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:45:26,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2022-11-23 03:45:29,967 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:45:30,737 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:45:30,737 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2022-11-23 03:45:30,795 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/data/918af40b9/b28427de234a441394d0118276b1266e/FLAG63d48af00 [2022-11-23 03:45:30,820 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/data/918af40b9/b28427de234a441394d0118276b1266e [2022-11-23 03:45:30,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:45:30,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:45:30,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:45:30,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:45:30,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:45:30,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:30" (1/1) ... [2022-11-23 03:45:30,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e332b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:30, skipping insertion in model container [2022-11-23 03:45:30,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:30" (1/1) ... [2022-11-23 03:45:30,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:45:31,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:45:34,121 WARN L237 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_2ced6375-277a-4769-a913-b14ee7b71e7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322818,322831] [2022-11-23 03:45:34,136 WARN L237 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_2ced6375-277a-4769-a913-b14ee7b71e7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322987,323000] [2022-11-23 03:45:34,138 WARN L237 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_2ced6375-277a-4769-a913-b14ee7b71e7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323154,323167] [2022-11-23 03:45:34,138 WARN L237 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_2ced6375-277a-4769-a913-b14ee7b71e7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323322,323335] [2022-11-23 03:45:34,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:45:34,236 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:45:34,660 WARN L237 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_2ced6375-277a-4769-a913-b14ee7b71e7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322818,322831] [2022-11-23 03:45:34,661 WARN L237 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_2ced6375-277a-4769-a913-b14ee7b71e7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322987,323000] [2022-11-23 03:45:34,662 WARN L237 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_2ced6375-277a-4769-a913-b14ee7b71e7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323154,323167] [2022-11-23 03:45:34,662 WARN L237 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_2ced6375-277a-4769-a913-b14ee7b71e7d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323322,323335] [2022-11-23 03:45:34,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:45:34,979 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:45:34,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34 WrapperNode [2022-11-23 03:45:34,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:45:34,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:45:34,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:45:34,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:45:34,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (1/1) ... [2022-11-23 03:45:35,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (1/1) ... [2022-11-23 03:45:35,276 INFO L138 Inliner]: procedures = 412, calls = 1858, calls flagged for inlining = 207, calls inlined = 191, statements flattened = 4675 [2022-11-23 03:45:35,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:45:35,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:45:35,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:45:35,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:45:35,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (1/1) ... [2022-11-23 03:45:35,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (1/1) ... [2022-11-23 03:45:35,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (1/1) ... [2022-11-23 03:45:35,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (1/1) ... [2022-11-23 03:45:35,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (1/1) ... [2022-11-23 03:45:35,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (1/1) ... [2022-11-23 03:45:35,642 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (1/1) ... [2022-11-23 03:45:35,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (1/1) ... [2022-11-23 03:45:35,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:45:35,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:45:35,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:45:35,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:45:35,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (1/1) ... [2022-11-23 03:45:35,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:45:35,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:45:35,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:45:35,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ced6375-277a-4769-a913-b14ee7b71e7d/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:45:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2022-11-23 03:45:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2022-11-23 03:45:35,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 03:45:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 03:45:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 03:45:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 03:45:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 03:45:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 03:45:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 03:45:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 03:45:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_close [2022-11-23 03:45:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_close [2022-11-23 03:45:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 03:45:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 03:45:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-23 03:45:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-23 03:45:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 03:45:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 03:45:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 03:45:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 03:45:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hamachi_private [2022-11-23 03:45:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hamachi_private [2022-11-23 03:45:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 03:45:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 03:45:35,832 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 03:45:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 03:45:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 03:45:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 03:45:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 03:45:35,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 03:45:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 03:45:35,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 03:45:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:45:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 03:45:35,836 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 03:45:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 03:45:35,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 03:45:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 03:45:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 03:45:35,837 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 03:45:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 03:45:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 03:45:35,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 03:45:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:45:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-23 03:45:35,838 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-23 03:45:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 03:45:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 03:45:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 03:45:35,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 03:45:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 03:45:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 03:45:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 03:45:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 03:45:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-23 03:45:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-23 03:45:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 03:45:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 03:45:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 03:45:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 03:45:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 03:45:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 03:45:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 03:45:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 03:45:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 03:45:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 03:45:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 03:45:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:45:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 03:45:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 03:45:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 03:45:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 03:45:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 03:45:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 03:45:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 03:45:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 03:45:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 03:45:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hamachi_private [2022-11-23 03:45:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hamachi_private [2022-11-23 03:45:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 03:45:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 03:45:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 03:45:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 03:45:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 03:45:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 03:45:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 03:45:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 03:45:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 03:45:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 03:45:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-23 03:45:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-23 03:45:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-23 03:45:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-23 03:45:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_nway_reset [2022-11-23 03:45:35,852 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_nway_reset [2022-11-23 03:45:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-23 03:45:35,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-23 03:45:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:45:35,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:45:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 03:45:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 03:45:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 03:45:35,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 03:45:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 03:45:35,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 03:45:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_hamachi_exit_15_2 [2022-11-23 03:45:35,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_hamachi_exit_15_2 [2022-11-23 03:45:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 03:45:35,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 03:45:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 03:45:35,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 03:45:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_open [2022-11-23 03:45:35,861 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_open [2022-11-23 03:45:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 03:45:35,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 03:45:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 03:45:35,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 03:45:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 03:45:35,864 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 03:45:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:45:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 03:45:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 03:45:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 03:45:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-23 03:45:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-23 03:45:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 03:45:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 03:45:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 03:45:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 03:45:35,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 03:45:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 03:45:35,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 03:45:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_68 [2022-11-23 03:45:35,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_68 [2022-11-23 03:45:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 03:45:35,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 03:45:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-23 03:45:35,873 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-23 03:45:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 03:45:35,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 03:45:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 03:45:35,874 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 03:45:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_remove_one [2022-11-23 03:45:35,874 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_remove_one [2022-11-23 03:45:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:45:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 03:45:35,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 03:45:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_69 [2022-11-23 03:45:35,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_69 [2022-11-23 03:45:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2022-11-23 03:45:35,875 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2022-11-23 03:45:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2022-11-23 03:45:35,876 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2022-11-23 03:45:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 03:45:35,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 03:45:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-23 03:45:35,876 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-23 03:45:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 03:45:35,877 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 03:45:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:45:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_timer [2022-11-23 03:45:35,877 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_timer [2022-11-23 03:45:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 03:45:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 03:45:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-23 03:45:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-23 03:45:36,825 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:45:36,832 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:45:37,020 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 03:45:40,785 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 03:45:40,903 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:45:40,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:45:40,939 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:45:40,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:45:40 BoogieIcfgContainer [2022-11-23 03:45:40,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:45:40,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:45:40,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:45:40,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:45:40,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:45:30" (1/3) ... [2022-11-23 03:45:40,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704ec3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:45:40, skipping insertion in model container [2022-11-23 03:45:40,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:34" (2/3) ... [2022-11-23 03:45:40,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704ec3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:45:40, skipping insertion in model container [2022-11-23 03:45:40,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:45:40" (3/3) ... [2022-11-23 03:45:40,960 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2022-11-23 03:45:40,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:45:40,986 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-23 03:45:41,121 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:45:41,131 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a162572, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:45:41,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-23 03:45:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 1579 states, 1105 states have (on average 1.2941176470588236) internal successors, (1430), 1132 states have internal predecessors, (1430), 397 states have call successors, (397), 75 states have call predecessors, (397), 74 states have return successors, (390), 377 states have call predecessors, (390), 390 states have call successors, (390) [2022-11-23 03:45:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-23 03:45:41,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:45:41,187 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:45:41,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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)] === [2022-11-23 03:45:41,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:45:41,197 INFO L85 PathProgramCache]: Analyzing trace with hash -2021020728, now seen corresponding path program 1 times [2022-11-23 03:45:41,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:45:41,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040425041] [2022-11-23 03:45:41,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:45:41,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:45:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:45:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:45:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:45:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:45:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:45:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:45:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:45:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:45:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:45:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:45:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-23 03:45:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-23 03:45:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:42,589 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-11-23 03:45:42,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:45:42,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040425041] [2022-11-23 03:45:42,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040425041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:45:42,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:45:42,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:45:42,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913753671] [2022-11-23 03:45:42,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:45:42,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:45:42,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:45:42,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:45:42,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:45:42,669 INFO L87 Difference]: Start difference. First operand has 1579 states, 1105 states have (on average 1.2941176470588236) internal successors, (1430), 1132 states have internal predecessors, (1430), 397 states have call successors, (397), 75 states have call predecessors, (397), 74 states have return successors, (390), 377 states have call predecessors, (390), 390 states have call successors, (390) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-23 03:45:48,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:45:48,948 INFO L93 Difference]: Finished difference Result 4465 states and 6399 transitions. [2022-11-23 03:45:48,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:45:48,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 129 [2022-11-23 03:45:48,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:45:48,993 INFO L225 Difference]: With dead ends: 4465 [2022-11-23 03:45:48,994 INFO L226 Difference]: Without dead ends: 2893 [2022-11-23 03:45:49,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:45:49,016 INFO L413 NwaCegarLoop]: 1821 mSDtfsCounter, 2455 mSDsluCounter, 2251 mSDsCounter, 0 mSdLazyCounter, 2181 mSolverCounterSat, 1012 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2766 SdHoareTripleChecker+Valid, 4072 SdHoareTripleChecker+Invalid, 3193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1012 IncrementalHoareTripleChecker+Valid, 2181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-23 03:45:49,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2766 Valid, 4072 Invalid, 3193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1012 Valid, 2181 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-23 03:45:49,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2893 states. [2022-11-23 03:45:49,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2893 to 2833. [2022-11-23 03:45:49,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2833 states, 1980 states have (on average 1.2808080808080808) internal successors, (2536), 2038 states have internal predecessors, (2536), 703 states have call successors, (703), 142 states have call predecessors, (703), 147 states have return successors, (725), 670 states have call predecessors, (725), 699 states have call successors, (725) [2022-11-23 03:45:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 3964 transitions. [2022-11-23 03:45:49,422 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 3964 transitions. Word has length 129 [2022-11-23 03:45:49,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:45:49,423 INFO L495 AbstractCegarLoop]: Abstraction has 2833 states and 3964 transitions. [2022-11-23 03:45:49,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-23 03:45:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 3964 transitions. [2022-11-23 03:45:49,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-23 03:45:49,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:45:49,430 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:45:49,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:45:49,431 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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)] === [2022-11-23 03:45:49,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:45:49,432 INFO L85 PathProgramCache]: Analyzing trace with hash 959549857, now seen corresponding path program 1 times [2022-11-23 03:45:49,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:45:49,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961864868] [2022-11-23 03:45:49,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:45:49,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:45:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:49,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:45:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:49,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:45:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:45:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:49,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:45:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:45:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:45:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:45:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:45:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:45:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:45:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-23 03:45:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-11-23 03:45:50,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:45:50,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961864868] [2022-11-23 03:45:50,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961864868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:45:50,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:45:50,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:45:50,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993797099] [2022-11-23 03:45:50,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:45:50,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:45:50,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:45:50,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:45:50,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:45:50,192 INFO L87 Difference]: Start difference. First operand 2833 states and 3964 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-23 03:45:56,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:45:56,147 INFO L93 Difference]: Finished difference Result 8376 states and 11746 transitions. [2022-11-23 03:45:56,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:45:56,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 129 [2022-11-23 03:45:56,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:45:56,188 INFO L225 Difference]: With dead ends: 8376 [2022-11-23 03:45:56,188 INFO L226 Difference]: Without dead ends: 5566 [2022-11-23 03:45:56,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:45:56,203 INFO L413 NwaCegarLoop]: 1761 mSDtfsCounter, 2708 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 2253 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3060 SdHoareTripleChecker+Valid, 3929 SdHoareTripleChecker+Invalid, 3269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-23 03:45:56,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3060 Valid, 3929 Invalid, 3269 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1016 Valid, 2253 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-23 03:45:56,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5566 states. [2022-11-23 03:45:56,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5566 to 5496. [2022-11-23 03:45:56,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5496 states, 3858 states have (on average 1.2817522032141007) internal successors, (4945), 3966 states have internal predecessors, (4945), 1344 states have call successors, (1344), 280 states have call predecessors, (1344), 291 states have return successors, (1392), 1285 states have call predecessors, (1392), 1340 states have call successors, (1392) [2022-11-23 03:45:56,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7681 transitions. [2022-11-23 03:45:56,611 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7681 transitions. Word has length 129 [2022-11-23 03:45:56,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:45:56,613 INFO L495 AbstractCegarLoop]: Abstraction has 5496 states and 7681 transitions. [2022-11-23 03:45:56,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-23 03:45:56,614 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7681 transitions. [2022-11-23 03:45:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-23 03:45:56,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:45:56,626 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:45:56,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:45:56,627 INFO L420 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)] === [2022-11-23 03:45:56,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:45:56,628 INFO L85 PathProgramCache]: Analyzing trace with hash 872002648, now seen corresponding path program 1 times [2022-11-23 03:45:56,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:45:56,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256921049] [2022-11-23 03:45:56,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:45:56,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:45:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:45:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:45:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:45:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:45:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:45:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:45:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:45:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:45:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:45:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:45:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:45:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-23 03:45:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:45:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-11-23 03:45:57,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:45:57,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256921049] [2022-11-23 03:45:57,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256921049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:45:57,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:45:57,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:45:57,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793468129] [2022-11-23 03:45:57,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:45:57,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:45:57,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:45:57,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:45:57,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:45:57,198 INFO L87 Difference]: Start difference. First operand 5496 states and 7681 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-23 03:46:03,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:03,241 INFO L93 Difference]: Finished difference Result 15608 states and 21866 transitions. [2022-11-23 03:46:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:46:03,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 134 [2022-11-23 03:46:03,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:03,321 INFO L225 Difference]: With dead ends: 15608 [2022-11-23 03:46:03,321 INFO L226 Difference]: Without dead ends: 10135 [2022-11-23 03:46:03,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:46:03,349 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 2455 mSDsluCounter, 2165 mSDsCounter, 0 mSdLazyCounter, 2250 mSolverCounterSat, 1034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2777 SdHoareTripleChecker+Valid, 3907 SdHoareTripleChecker+Invalid, 3284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1034 IncrementalHoareTripleChecker+Valid, 2250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:03,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2777 Valid, 3907 Invalid, 3284 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1034 Valid, 2250 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-23 03:46:03,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10135 states. [2022-11-23 03:46:04,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10135 to 9918. [2022-11-23 03:46:04,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9918 states, 6918 states have (on average 1.2825961260479908) internal successors, (8873), 7120 states have internal predecessors, (8873), 2452 states have call successors, (2452), 532 states have call predecessors, (2452), 545 states have return successors, (2530), 2329 states have call predecessors, (2530), 2448 states have call successors, (2530) [2022-11-23 03:46:04,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9918 states to 9918 states and 13855 transitions. [2022-11-23 03:46:04,112 INFO L78 Accepts]: Start accepts. Automaton has 9918 states and 13855 transitions. Word has length 134 [2022-11-23 03:46:04,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:04,115 INFO L495 AbstractCegarLoop]: Abstraction has 9918 states and 13855 transitions. [2022-11-23 03:46:04,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-23 03:46:04,117 INFO L276 IsEmpty]: Start isEmpty. Operand 9918 states and 13855 transitions. [2022-11-23 03:46:04,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-23 03:46:04,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:04,126 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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] [2022-11-23 03:46:04,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:46:04,126 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2022-11-23 03:46:04,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:04,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1425459078, now seen corresponding path program 1 times [2022-11-23 03:46:04,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:04,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801965556] [2022-11-23 03:46:04,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:04,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:46:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:46:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:46:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:46:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:46:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:46:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:46:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:46:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:46:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:46:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 03:46:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 03:46:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 03:46:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-23 03:46:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 03:46:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 03:46:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:46:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:04,678 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-11-23 03:46:04,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:46:04,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801965556] [2022-11-23 03:46:04,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801965556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:46:04,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:46:04,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:46:04,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718753251] [2022-11-23 03:46:04,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:46:04,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:46:04,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:46:04,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:46:04,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:46:04,682 INFO L87 Difference]: Start difference. First operand 9918 states and 13855 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-23 03:46:10,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:10,772 INFO L93 Difference]: Finished difference Result 20140 states and 28194 transitions. [2022-11-23 03:46:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:46:10,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 187 [2022-11-23 03:46:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:10,901 INFO L225 Difference]: With dead ends: 20140 [2022-11-23 03:46:10,902 INFO L226 Difference]: Without dead ends: 15010 [2022-11-23 03:46:10,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:46:10,931 INFO L413 NwaCegarLoop]: 2922 mSDtfsCounter, 2212 mSDsluCounter, 3041 mSDsCounter, 0 mSdLazyCounter, 2774 mSolverCounterSat, 665 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 5963 SdHoareTripleChecker+Invalid, 3439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 665 IncrementalHoareTripleChecker+Valid, 2774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:10,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 5963 Invalid, 3439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [665 Valid, 2774 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-23 03:46:10,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15010 states. [2022-11-23 03:46:11,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15010 to 14727. [2022-11-23 03:46:11,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14727 states, 10281 states have (on average 1.2828518626592744) internal successors, (13189), 10577 states have internal predecessors, (13189), 3628 states have call successors, (3628), 795 states have call predecessors, (3628), 815 states have return successors, (3747), 3450 states have call predecessors, (3747), 3624 states have call successors, (3747) [2022-11-23 03:46:12,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14727 states to 14727 states and 20564 transitions. [2022-11-23 03:46:12,112 INFO L78 Accepts]: Start accepts. Automaton has 14727 states and 20564 transitions. Word has length 187 [2022-11-23 03:46:12,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:12,114 INFO L495 AbstractCegarLoop]: Abstraction has 14727 states and 20564 transitions. [2022-11-23 03:46:12,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-23 03:46:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 14727 states and 20564 transitions. [2022-11-23 03:46:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-23 03:46:12,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:12,123 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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] [2022-11-23 03:46:12,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:46:12,123 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-11-23 03:46:12,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:12,124 INFO L85 PathProgramCache]: Analyzing trace with hash 497768956, now seen corresponding path program 1 times [2022-11-23 03:46:12,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:12,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775987644] [2022-11-23 03:46:12,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:12,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:12,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:46:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:12,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:46:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:46:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:46:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:46:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:46:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:46:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:46:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:46:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:46:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 03:46:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 03:46:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 03:46:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-23 03:46:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 03:46:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 03:46:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:46:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2022-11-23 03:46:13,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:46:13,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775987644] [2022-11-23 03:46:13,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775987644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:46:13,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:46:13,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:46:13,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686533612] [2022-11-23 03:46:13,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:46:13,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:46:13,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:46:13,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:46:13,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:46:13,324 INFO L87 Difference]: Start difference. First operand 14727 states and 20564 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 03:46:18,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:18,129 INFO L93 Difference]: Finished difference Result 15012 states and 21019 transitions. [2022-11-23 03:46:18,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:46:18,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 187 [2022-11-23 03:46:18,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:18,216 INFO L225 Difference]: With dead ends: 15012 [2022-11-23 03:46:18,217 INFO L226 Difference]: Without dead ends: 15010 [2022-11-23 03:46:18,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:46:18,228 INFO L413 NwaCegarLoop]: 1523 mSDtfsCounter, 2191 mSDsluCounter, 3508 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2422 SdHoareTripleChecker+Valid, 5031 SdHoareTripleChecker+Invalid, 3546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 788 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:18,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 5031 Invalid, 3546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [788 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-23 03:46:18,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15010 states. [2022-11-23 03:46:19,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15010 to 14731. [2022-11-23 03:46:19,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14731 states, 10284 states have (on average 1.2827693504472968) internal successors, (13192), 10580 states have internal predecessors, (13192), 3628 states have call successors, (3628), 796 states have call predecessors, (3628), 816 states have return successors, (3747), 3450 states have call predecessors, (3747), 3624 states have call successors, (3747) [2022-11-23 03:46:19,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14731 states to 14731 states and 20567 transitions. [2022-11-23 03:46:19,319 INFO L78 Accepts]: Start accepts. Automaton has 14731 states and 20567 transitions. Word has length 187 [2022-11-23 03:46:19,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:19,320 INFO L495 AbstractCegarLoop]: Abstraction has 14731 states and 20567 transitions. [2022-11-23 03:46:19,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 03:46:19,320 INFO L276 IsEmpty]: Start isEmpty. Operand 14731 states and 20567 transitions. [2022-11-23 03:46:19,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-23 03:46:19,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:19,331 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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] [2022-11-23 03:46:19,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:46:19,332 INFO L420 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)] === [2022-11-23 03:46:19,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:19,332 INFO L85 PathProgramCache]: Analyzing trace with hash -324717635, now seen corresponding path program 1 times [2022-11-23 03:46:19,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:19,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478113189] [2022-11-23 03:46:19,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:19,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:46:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:46:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:46:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:46:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:46:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:46:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:46:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:46:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:46:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:46:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 03:46:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 03:46:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 03:46:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-23 03:46:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 03:46:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 03:46:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:46:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-23 03:46:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2022-11-23 03:46:20,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:46:20,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478113189] [2022-11-23 03:46:20,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478113189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:46:20,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:46:20,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:46:20,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973445045] [2022-11-23 03:46:20,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:46:20,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:46:20,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:46:20,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:46:20,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:46:20,583 INFO L87 Difference]: Start difference. First operand 14731 states and 20567 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 03:46:25,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:25,421 INFO L93 Difference]: Finished difference Result 15016 states and 21022 transitions. [2022-11-23 03:46:25,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:46:25,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 192 [2022-11-23 03:46:25,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:25,500 INFO L225 Difference]: With dead ends: 15016 [2022-11-23 03:46:25,500 INFO L226 Difference]: Without dead ends: 15014 [2022-11-23 03:46:25,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:46:25,512 INFO L413 NwaCegarLoop]: 1524 mSDtfsCounter, 2183 mSDsluCounter, 3511 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 5035 SdHoareTripleChecker+Invalid, 3548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:25,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2413 Valid, 5035 Invalid, 3548 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [787 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-23 03:46:25,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15014 states. [2022-11-23 03:46:26,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15014 to 14735. [2022-11-23 03:46:26,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14735 states, 10287 states have (on average 1.2826868863614271) internal successors, (13195), 10583 states have internal predecessors, (13195), 3628 states have call successors, (3628), 797 states have call predecessors, (3628), 817 states have return successors, (3747), 3450 states have call predecessors, (3747), 3624 states have call successors, (3747) [2022-11-23 03:46:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14735 states to 14735 states and 20570 transitions. [2022-11-23 03:46:26,658 INFO L78 Accepts]: Start accepts. Automaton has 14735 states and 20570 transitions. Word has length 192 [2022-11-23 03:46:26,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:26,660 INFO L495 AbstractCegarLoop]: Abstraction has 14735 states and 20570 transitions. [2022-11-23 03:46:26,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 03:46:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 14735 states and 20570 transitions. [2022-11-23 03:46:26,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-23 03:46:26,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:26,671 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 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] [2022-11-23 03:46:26,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 03:46:26,672 INFO L420 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)] === [2022-11-23 03:46:26,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:26,672 INFO L85 PathProgramCache]: Analyzing trace with hash 643785308, now seen corresponding path program 1 times [2022-11-23 03:46:26,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:26,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146413996] [2022-11-23 03:46:26,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:26,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:46:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:46:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:46:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:46:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:46:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:46:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:46:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:46:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:46:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:46:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 03:46:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 03:46:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 03:46:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-23 03:46:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 03:46:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 03:46:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:46:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-23 03:46:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 03:46:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2022-11-23 03:46:27,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:46:27,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146413996] [2022-11-23 03:46:27,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146413996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:46:27,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:46:27,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:46:27,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078992296] [2022-11-23 03:46:27,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:46:27,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:46:27,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:46:27,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:46:27,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:46:27,696 INFO L87 Difference]: Start difference. First operand 14735 states and 20570 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 03:46:32,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:32,484 INFO L93 Difference]: Finished difference Result 15020 states and 21025 transitions. [2022-11-23 03:46:32,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:46:32,485 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 197 [2022-11-23 03:46:32,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:32,582 INFO L225 Difference]: With dead ends: 15020 [2022-11-23 03:46:32,582 INFO L226 Difference]: Without dead ends: 15018 [2022-11-23 03:46:32,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:46:32,594 INFO L413 NwaCegarLoop]: 1520 mSDtfsCounter, 2185 mSDsluCounter, 3501 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 787 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 5021 SdHoareTripleChecker+Invalid, 3545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 787 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:32,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 5021 Invalid, 3545 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [787 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-23 03:46:32,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15018 states. [2022-11-23 03:46:33,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15018 to 14739. [2022-11-23 03:46:33,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14739 states, 10290 states have (on average 1.2826044703595725) internal successors, (13198), 10586 states have internal predecessors, (13198), 3628 states have call successors, (3628), 798 states have call predecessors, (3628), 818 states have return successors, (3747), 3450 states have call predecessors, (3747), 3624 states have call successors, (3747) [2022-11-23 03:46:33,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14739 states to 14739 states and 20573 transitions. [2022-11-23 03:46:33,917 INFO L78 Accepts]: Start accepts. Automaton has 14739 states and 20573 transitions. Word has length 197 [2022-11-23 03:46:33,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:33,920 INFO L495 AbstractCegarLoop]: Abstraction has 14739 states and 20573 transitions. [2022-11-23 03:46:33,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 03:46:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 14739 states and 20573 transitions. [2022-11-23 03:46:33,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-23 03:46:33,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:33,931 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 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] [2022-11-23 03:46:33,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 03:46:33,932 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-11-23 03:46:33,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:33,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1228785783, now seen corresponding path program 1 times [2022-11-23 03:46:33,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:33,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547627948] [2022-11-23 03:46:33,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:33,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:46:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:46:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:46:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:46:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:46:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:46:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:46:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:46:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:46:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:46:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-23 03:46:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-23 03:46:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:46:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:46:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 03:46:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-23 03:46:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-23 03:46:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-23 03:46:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-11-23 03:46:34,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:46:34,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547627948] [2022-11-23 03:46:34,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547627948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:46:34,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:46:34,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:46:34,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550249039] [2022-11-23 03:46:34,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:46:34,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:46:34,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:46:34,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:46:34,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:46:34,713 INFO L87 Difference]: Start difference. First operand 14739 states and 20573 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-23 03:46:43,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:43,457 INFO L93 Difference]: Finished difference Result 30080 states and 41876 transitions. [2022-11-23 03:46:43,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:46:43,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 195 [2022-11-23 03:46:43,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:43,533 INFO L225 Difference]: With dead ends: 30080 [2022-11-23 03:46:43,533 INFO L226 Difference]: Without dead ends: 15364 [2022-11-23 03:46:43,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:46:43,599 INFO L413 NwaCegarLoop]: 1832 mSDtfsCounter, 2195 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 1389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 4276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1389 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:43,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 4082 Invalid, 4276 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1389 Valid, 2887 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-23 03:46:43,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15364 states. [2022-11-23 03:46:45,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15364 to 14899. [2022-11-23 03:46:45,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14899 states, 10575 states have (on average 1.2756501182033098) internal successors, (13490), 10839 states have internal predecessors, (13490), 3466 states have call successors, (3466), 846 states have call predecessors, (3466), 855 states have return successors, (3544), 3299 states have call predecessors, (3544), 3462 states have call successors, (3544) [2022-11-23 03:46:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14899 states to 14899 states and 20500 transitions. [2022-11-23 03:46:45,340 INFO L78 Accepts]: Start accepts. Automaton has 14899 states and 20500 transitions. Word has length 195 [2022-11-23 03:46:45,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:45,341 INFO L495 AbstractCegarLoop]: Abstraction has 14899 states and 20500 transitions. [2022-11-23 03:46:45,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-23 03:46:45,341 INFO L276 IsEmpty]: Start isEmpty. Operand 14899 states and 20500 transitions. [2022-11-23 03:46:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-23 03:46:45,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:45,350 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 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] [2022-11-23 03:46:45,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 03:46:45,351 INFO L420 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)] === [2022-11-23 03:46:45,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:45,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2135004893, now seen corresponding path program 1 times [2022-11-23 03:46:45,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:45,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806627349] [2022-11-23 03:46:45,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:45,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:46:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:45,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:45,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:46:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:46:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:45,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:45,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:46:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:46:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:46:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:46:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:46:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:46:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:46:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 03:46:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 03:46:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 03:46:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-23 03:46:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 03:46:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 03:46:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:46:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-23 03:46:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 03:46:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 03:46:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-11-23 03:46:46,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:46:46,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806627349] [2022-11-23 03:46:46,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806627349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:46:46,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:46:46,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:46:46,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741460765] [2022-11-23 03:46:46,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:46:46,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:46:46,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:46:46,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:46:46,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:46:46,252 INFO L87 Difference]: Start difference. First operand 14899 states and 20500 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 03:46:51,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:46:51,374 INFO L93 Difference]: Finished difference Result 15233 states and 21020 transitions. [2022-11-23 03:46:51,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:46:51,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 202 [2022-11-23 03:46:51,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:46:51,582 INFO L225 Difference]: With dead ends: 15233 [2022-11-23 03:46:51,582 INFO L226 Difference]: Without dead ends: 15231 [2022-11-23 03:46:51,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:46:51,589 INFO L413 NwaCegarLoop]: 1520 mSDtfsCounter, 2185 mSDsluCounter, 3501 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 5021 SdHoareTripleChecker+Invalid, 3544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 786 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-23 03:46:51,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 5021 Invalid, 3544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [786 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-23 03:46:51,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15231 states. [2022-11-23 03:46:53,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15231 to 14903. [2022-11-23 03:46:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14903 states, 10578 states have (on average 1.2755719417659293) internal successors, (13493), 10842 states have internal predecessors, (13493), 3466 states have call successors, (3466), 847 states have call predecessors, (3466), 856 states have return successors, (3544), 3299 states have call predecessors, (3544), 3462 states have call successors, (3544) [2022-11-23 03:46:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14903 states to 14903 states and 20503 transitions. [2022-11-23 03:46:53,215 INFO L78 Accepts]: Start accepts. Automaton has 14903 states and 20503 transitions. Word has length 202 [2022-11-23 03:46:53,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:46:53,216 INFO L495 AbstractCegarLoop]: Abstraction has 14903 states and 20503 transitions. [2022-11-23 03:46:53,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 03:46:53,217 INFO L276 IsEmpty]: Start isEmpty. Operand 14903 states and 20503 transitions. [2022-11-23 03:46:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-23 03:46:53,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:46:53,236 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 4, 4, 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] [2022-11-23 03:46:53,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 03:46:53,236 INFO L420 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)] === [2022-11-23 03:46:53,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:46:53,237 INFO L85 PathProgramCache]: Analyzing trace with hash -986509358, now seen corresponding path program 1 times [2022-11-23 03:46:53,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:46:53,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286389186] [2022-11-23 03:46:53,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:46:53,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:46:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:46:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:46:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:46:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:46:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:46:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:46:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:46:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:46:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:46:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:46:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 03:46:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 03:46:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 03:46:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-23 03:46:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:46:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 03:46:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 03:46:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-23 03:46:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 03:46:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:46:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 03:46:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-23 03:46:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-23 03:46:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 03:46:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:46:53,983 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2022-11-23 03:46:53,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:46:53,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286389186] [2022-11-23 03:46:53,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286389186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:46:53,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:46:53,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:46:53,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542235234] [2022-11-23 03:46:53,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:46:53,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 03:46:53,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:46:53,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:46:53,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:46:53,988 INFO L87 Difference]: Start difference. First operand 14903 states and 20503 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 03:47:04,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:04,390 INFO L93 Difference]: Finished difference Result 37213 states and 51342 transitions. [2022-11-23 03:47:04,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:47:04,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 217 [2022-11-23 03:47:04,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:04,487 INFO L225 Difference]: With dead ends: 37213 [2022-11-23 03:47:04,487 INFO L226 Difference]: Without dead ends: 22502 [2022-11-23 03:47:04,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:47:04,534 INFO L413 NwaCegarLoop]: 2309 mSDtfsCounter, 2712 mSDsluCounter, 3968 mSDsCounter, 0 mSdLazyCounter, 4418 mSolverCounterSat, 1758 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 6277 SdHoareTripleChecker+Invalid, 6176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1758 IncrementalHoareTripleChecker+Valid, 4418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:04,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 6277 Invalid, 6176 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1758 Valid, 4418 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-23 03:47:04,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22502 states. [2022-11-23 03:47:06,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22502 to 21972. [2022-11-23 03:47:06,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21972 states, 15613 states have (on average 1.2758598603727662) internal successors, (19920), 15994 states have internal predecessors, (19920), 5092 states have call successors, (5092), 1248 states have call predecessors, (5092), 1264 states have return successors, (5211), 4858 states have call predecessors, (5211), 5088 states have call successors, (5211) [2022-11-23 03:47:06,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21972 states to 21972 states and 30223 transitions. [2022-11-23 03:47:06,824 INFO L78 Accepts]: Start accepts. Automaton has 21972 states and 30223 transitions. Word has length 217 [2022-11-23 03:47:06,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:06,825 INFO L495 AbstractCegarLoop]: Abstraction has 21972 states and 30223 transitions. [2022-11-23 03:47:06,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 03:47:06,825 INFO L276 IsEmpty]: Start isEmpty. Operand 21972 states and 30223 transitions. [2022-11-23 03:47:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-23 03:47:06,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:06,834 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 4, 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] [2022-11-23 03:47:06,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 03:47:06,835 INFO L420 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)] === [2022-11-23 03:47:06,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:06,835 INFO L85 PathProgramCache]: Analyzing trace with hash -69328196, now seen corresponding path program 1 times [2022-11-23 03:47:06,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:06,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582829635] [2022-11-23 03:47:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:06,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:47:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:47:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:47:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:47:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:47:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:47:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:47:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:47:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:47:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 03:47:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 03:47:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 03:47:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-23 03:47:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 03:47:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 03:47:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:47:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-23 03:47:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 03:47:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 03:47:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-23 03:47:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:07,666 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-11-23 03:47:07,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:07,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582829635] [2022-11-23 03:47:07,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582829635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:07,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:07,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:47:07,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437437188] [2022-11-23 03:47:07,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:07,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:47:07,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:07,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:47:07,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:47:07,670 INFO L87 Difference]: Start difference. First operand 21972 states and 30223 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 03:47:13,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:13,207 INFO L93 Difference]: Finished difference Result 22470 states and 30996 transitions. [2022-11-23 03:47:13,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:47:13,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 207 [2022-11-23 03:47:13,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:13,292 INFO L225 Difference]: With dead ends: 22470 [2022-11-23 03:47:13,292 INFO L226 Difference]: Without dead ends: 22468 [2022-11-23 03:47:13,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:47:13,300 INFO L413 NwaCegarLoop]: 1520 mSDtfsCounter, 2185 mSDsluCounter, 3501 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 5021 SdHoareTripleChecker+Invalid, 3543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 785 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:13,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 5021 Invalid, 3543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [785 Valid, 2758 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 03:47:13,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22468 states. [2022-11-23 03:47:15,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22468 to 21976. [2022-11-23 03:47:15,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21976 states, 15616 states have (on average 1.2758068647540983) internal successors, (19923), 15997 states have internal predecessors, (19923), 5092 states have call successors, (5092), 1249 states have call predecessors, (5092), 1265 states have return successors, (5211), 4858 states have call predecessors, (5211), 5088 states have call successors, (5211) [2022-11-23 03:47:15,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21976 states to 21976 states and 30226 transitions. [2022-11-23 03:47:15,344 INFO L78 Accepts]: Start accepts. Automaton has 21976 states and 30226 transitions. Word has length 207 [2022-11-23 03:47:15,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:15,345 INFO L495 AbstractCegarLoop]: Abstraction has 21976 states and 30226 transitions. [2022-11-23 03:47:15,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 03:47:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 21976 states and 30226 transitions. [2022-11-23 03:47:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-23 03:47:15,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:15,356 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 4, 4, 4, 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] [2022-11-23 03:47:15,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 03:47:15,357 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-11-23 03:47:15,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:15,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1358544387, now seen corresponding path program 1 times [2022-11-23 03:47:15,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:15,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093634431] [2022-11-23 03:47:15,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:15,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:47:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:47:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:47:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:47:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:47:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:47:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:47:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:47:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:47:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 03:47:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 03:47:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 03:47:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-23 03:47:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 03:47:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 03:47:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:47:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-23 03:47:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 03:47:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 03:47:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-23 03:47:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-23 03:47:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2022-11-23 03:47:16,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:16,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093634431] [2022-11-23 03:47:16,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093634431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:16,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:16,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:47:16,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248409691] [2022-11-23 03:47:16,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:16,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:47:16,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:16,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:47:16,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:47:16,189 INFO L87 Difference]: Start difference. First operand 21976 states and 30226 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 03:47:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:22,204 INFO L93 Difference]: Finished difference Result 22474 states and 30999 transitions. [2022-11-23 03:47:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:47:22,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 212 [2022-11-23 03:47:22,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:22,288 INFO L225 Difference]: With dead ends: 22474 [2022-11-23 03:47:22,288 INFO L226 Difference]: Without dead ends: 22472 [2022-11-23 03:47:22,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:47:22,301 INFO L413 NwaCegarLoop]: 1522 mSDtfsCounter, 2183 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 783 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 5027 SdHoareTripleChecker+Invalid, 3544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 783 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:22,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 5027 Invalid, 3544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [783 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 03:47:22,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22472 states. [2022-11-23 03:47:24,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22472 to 21980. [2022-11-23 03:47:24,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21980 states, 15619 states have (on average 1.2757538894935656) internal successors, (19926), 16000 states have internal predecessors, (19926), 5092 states have call successors, (5092), 1250 states have call predecessors, (5092), 1266 states have return successors, (5211), 4858 states have call predecessors, (5211), 5088 states have call successors, (5211) [2022-11-23 03:47:24,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21980 states to 21980 states and 30229 transitions. [2022-11-23 03:47:24,561 INFO L78 Accepts]: Start accepts. Automaton has 21980 states and 30229 transitions. Word has length 212 [2022-11-23 03:47:24,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:24,561 INFO L495 AbstractCegarLoop]: Abstraction has 21980 states and 30229 transitions. [2022-11-23 03:47:24,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 03:47:24,562 INFO L276 IsEmpty]: Start isEmpty. Operand 21980 states and 30229 transitions. [2022-11-23 03:47:24,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-23 03:47:24,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:24,573 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 4, 4, 4, 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] [2022-11-23 03:47:24,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 03:47:24,573 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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)] === [2022-11-23 03:47:24,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:24,574 INFO L85 PathProgramCache]: Analyzing trace with hash 169974556, now seen corresponding path program 1 times [2022-11-23 03:47:24,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:24,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947548982] [2022-11-23 03:47:24,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:24,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:47:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:47:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:47:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:47:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:47:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:47:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:47:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:47:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:47:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 03:47:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 03:47:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 03:47:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-23 03:47:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 03:47:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 03:47:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:47:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-23 03:47:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 03:47:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 03:47:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-23 03:47:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-23 03:47:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 03:47:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-11-23 03:47:25,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:25,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947548982] [2022-11-23 03:47:25,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947548982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:25,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:25,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:47:25,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15977136] [2022-11-23 03:47:25,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:25,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:47:25,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:25,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:47:25,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:47:25,681 INFO L87 Difference]: Start difference. First operand 21980 states and 30229 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 03:47:32,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:32,294 INFO L93 Difference]: Finished difference Result 23840 states and 32460 transitions. [2022-11-23 03:47:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:47:32,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2022-11-23 03:47:32,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:32,353 INFO L225 Difference]: With dead ends: 23840 [2022-11-23 03:47:32,353 INFO L226 Difference]: Without dead ends: 23838 [2022-11-23 03:47:32,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:47:32,360 INFO L413 NwaCegarLoop]: 1526 mSDtfsCounter, 2015 mSDsluCounter, 3782 mSDsCounter, 0 mSdLazyCounter, 3122 mSolverCounterSat, 761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2231 SdHoareTripleChecker+Valid, 5308 SdHoareTripleChecker+Invalid, 3883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 761 IncrementalHoareTripleChecker+Valid, 3122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:32,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2231 Valid, 5308 Invalid, 3883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [761 Valid, 3122 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-23 03:47:32,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23838 states. [2022-11-23 03:47:34,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23838 to 23247. [2022-11-23 03:47:34,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23247 states, 16465 states have (on average 1.265411478894625) internal successors, (20835), 16855 states have internal predecessors, (20835), 5305 states have call successors, (5305), 1458 states have call predecessors, (5305), 1474 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-11-23 03:47:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23247 states to 23247 states and 31564 transitions. [2022-11-23 03:47:34,499 INFO L78 Accepts]: Start accepts. Automaton has 23247 states and 31564 transitions. Word has length 217 [2022-11-23 03:47:34,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:34,500 INFO L495 AbstractCegarLoop]: Abstraction has 23247 states and 31564 transitions. [2022-11-23 03:47:34,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 03:47:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 23247 states and 31564 transitions. [2022-11-23 03:47:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-23 03:47:34,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:34,510 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 4, 4, 4, 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] [2022-11-23 03:47:34,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 03:47:34,511 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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)] === [2022-11-23 03:47:34,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:34,512 INFO L85 PathProgramCache]: Analyzing trace with hash 2084123933, now seen corresponding path program 1 times [2022-11-23 03:47:34,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:34,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96412623] [2022-11-23 03:47:34,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:34,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:47:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:47:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:47:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:47:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:47:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:47:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:47:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:47:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:47:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 03:47:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 03:47:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 03:47:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-23 03:47:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 03:47:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 03:47:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:47:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-23 03:47:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 03:47:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 03:47:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-23 03:47:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-23 03:47:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 03:47:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-23 03:47:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2022-11-23 03:47:35,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:35,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96412623] [2022-11-23 03:47:35,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96412623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:35,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:35,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:47:35,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757573322] [2022-11-23 03:47:35,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:35,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:47:35,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:35,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:47:35,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:47:35,731 INFO L87 Difference]: Start difference. First operand 23247 states and 31564 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 03:47:41,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:41,725 INFO L93 Difference]: Finished difference Result 23844 states and 32463 transitions. [2022-11-23 03:47:41,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:47:41,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 222 [2022-11-23 03:47:41,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:41,795 INFO L225 Difference]: With dead ends: 23844 [2022-11-23 03:47:41,795 INFO L226 Difference]: Without dead ends: 23842 [2022-11-23 03:47:41,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:47:41,805 INFO L413 NwaCegarLoop]: 1523 mSDtfsCounter, 2183 mSDsluCounter, 3508 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 781 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 5031 SdHoareTripleChecker+Invalid, 3542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 781 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:41,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2414 Valid, 5031 Invalid, 3542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [781 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 03:47:41,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23842 states. [2022-11-23 03:47:44,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23842 to 23251. [2022-11-23 03:47:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23251 states, 16468 states have (on average 1.26536312849162) internal successors, (20838), 16858 states have internal predecessors, (20838), 5305 states have call successors, (5305), 1459 states have call predecessors, (5305), 1475 states have return successors, (5424), 5071 states have call predecessors, (5424), 5301 states have call successors, (5424) [2022-11-23 03:47:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23251 states to 23251 states and 31567 transitions. [2022-11-23 03:47:44,422 INFO L78 Accepts]: Start accepts. Automaton has 23251 states and 31567 transitions. Word has length 222 [2022-11-23 03:47:44,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:44,423 INFO L495 AbstractCegarLoop]: Abstraction has 23251 states and 31567 transitions. [2022-11-23 03:47:44,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 03:47:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 23251 states and 31567 transitions. [2022-11-23 03:47:44,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-23 03:47:44,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:44,438 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 4, 4, 4, 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] [2022-11-23 03:47:44,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 03:47:44,439 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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)] === [2022-11-23 03:47:44,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:44,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1935422596, now seen corresponding path program 1 times [2022-11-23 03:47:44,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:44,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204481243] [2022-11-23 03:47:44,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:44,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:47:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-23 03:47:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-23 03:47:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:47:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 03:47:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-23 03:47:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:47:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-23 03:47:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:47:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:47:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 03:47:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 03:47:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-23 03:47:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-23 03:47:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:47:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-23 03:47:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-23 03:47:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-23 03:47:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-23 03:47:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 03:47:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-23 03:47:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-23 03:47:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-23 03:47:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 03:47:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-23 03:47:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-23 03:47:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:45,517 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2022-11-23 03:47:45,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:45,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204481243] [2022-11-23 03:47:45,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204481243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:45,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:45,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:47:45,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86010051] [2022-11-23 03:47:45,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:45,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:47:45,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:45,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:47:45,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:47:45,521 INFO L87 Difference]: Start difference. First operand 23251 states and 31567 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 03:47:52,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:52,010 INFO L93 Difference]: Finished difference Result 23848 states and 32466 transitions. [2022-11-23 03:47:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:47:52,011 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 227 [2022-11-23 03:47:52,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:52,093 INFO L225 Difference]: With dead ends: 23848 [2022-11-23 03:47:52,093 INFO L226 Difference]: Without dead ends: 23846 [2022-11-23 03:47:52,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:47:52,106 INFO L413 NwaCegarLoop]: 1522 mSDtfsCounter, 2183 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 5027 SdHoareTripleChecker+Invalid, 3541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:52,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 5027 Invalid, 3541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [780 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-23 03:47:52,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23846 states.