./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-tun.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro --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 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 --- 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-8393723 [2022-11-18 21:03:58,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:03:58,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:03:58,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:03:58,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:03:58,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:03:58,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:03:58,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:03:58,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:03:58,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:03:58,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:03:58,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:03:58,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:03:58,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:03:58,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:03:58,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:03:58,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:03:58,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:03:58,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:03:58,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:03:58,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:03:58,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:03:58,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:03:58,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:03:58,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:03:59,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:03:59,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:03:59,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:03:59,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:03:59,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:03:59,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:03:59,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:03:59,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:03:59,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:03:59,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:03:59,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:03:59,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:03:59,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:03:59,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:03:59,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:03:59,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:03:59,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 21:03:59,039 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:03:59,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:03:59,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:03:59,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:03:59,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:03:59,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:03:59,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:03:59,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:03:59,043 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:03:59,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:03:59,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:03:59,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:03:59,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:03:59,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:03:59,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:03:59,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:03:59,045 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:03:59,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:03:59,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:03:59,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:03:59,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:03:59,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:03:59,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:03:59,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:03:59,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:03:59,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:03:59,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:03:59,048 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:03:59,048 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:03:59,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:03:59,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 [2022-11-18 21:03:59,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:03:59,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:03:59,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:03:59,498 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:03:59,500 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:03:59,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2022-11-18 21:03:59,591 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/data/b6b5d8219/55acd9cbb0144c4088871770add14041/FLAG7c974a86a [2022-11-18 21:04:00,862 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:04:00,863 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2022-11-18 21:04:00,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/data/b6b5d8219/55acd9cbb0144c4088871770add14041/FLAG7c974a86a [2022-11-18 21:04:01,070 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/data/b6b5d8219/55acd9cbb0144c4088871770add14041 [2022-11-18 21:04:01,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:04:01,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:04:01,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:04:01,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:04:01,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:04:01,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:04:01" (1/1) ... [2022-11-18 21:04:01,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71264391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:01, skipping insertion in model container [2022-11-18 21:04:01,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:04:01" (1/1) ... [2022-11-18 21:04:01,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:04:01,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:04:06,484 WARN L234 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_729097b8-197c-4a2a-9a23-1eb043ea8048/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2022-11-18 21:04:06,489 WARN L234 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_729097b8-197c-4a2a-9a23-1eb043ea8048/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2022-11-18 21:04:06,490 WARN L234 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_729097b8-197c-4a2a-9a23-1eb043ea8048/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2022-11-18 21:04:06,490 WARN L234 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_729097b8-197c-4a2a-9a23-1eb043ea8048/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2022-11-18 21:04:06,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:04:06,564 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:04:07,317 WARN L234 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_729097b8-197c-4a2a-9a23-1eb043ea8048/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2022-11-18 21:04:07,319 WARN L234 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_729097b8-197c-4a2a-9a23-1eb043ea8048/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2022-11-18 21:04:07,320 WARN L234 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_729097b8-197c-4a2a-9a23-1eb043ea8048/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2022-11-18 21:04:07,320 WARN L234 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_729097b8-197c-4a2a-9a23-1eb043ea8048/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2022-11-18 21:04:07,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:04:07,720 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:04:07,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07 WrapperNode [2022-11-18 21:04:07,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:04:07,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:04:07,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:04:07,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:04:07,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (1/1) ... [2022-11-18 21:04:07,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (1/1) ... [2022-11-18 21:04:08,218 INFO L138 Inliner]: procedures = 614, calls = 2621, calls flagged for inlining = 322, calls inlined = 255, statements flattened = 7242 [2022-11-18 21:04:08,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:04:08,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:04:08,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:04:08,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:04:08,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (1/1) ... [2022-11-18 21:04:08,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (1/1) ... [2022-11-18 21:04:08,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (1/1) ... [2022-11-18 21:04:08,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (1/1) ... [2022-11-18 21:04:08,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (1/1) ... [2022-11-18 21:04:08,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (1/1) ... [2022-11-18 21:04:08,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (1/1) ... [2022-11-18 21:04:08,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (1/1) ... [2022-11-18 21:04:08,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:04:08,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:04:08,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:04:08,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:04:08,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (1/1) ... [2022-11-18 21:04:08,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:04:08,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:04:08,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:04:08,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_729097b8-197c-4a2a-9a23-1eb043ea8048/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:04:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2022-11-18 21:04:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2022-11-18 21:04:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-18 21:04:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-18 21:04:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 21:04:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 21:04:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 21:04:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 21:04:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2022-11-18 21:04:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2022-11-18 21:04:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2022-11-18 21:04:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2022-11-18 21:04:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2022-11-18 21:04:08,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2022-11-18 21:04:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-18 21:04:08,844 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-18 21:04:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 21:04:08,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 21:04:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2022-11-18 21:04:08,844 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2022-11-18 21:04:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-18 21:04:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-18 21:04:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 21:04:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 21:04:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 21:04:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 21:04:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:04:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2022-11-18 21:04:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2022-11-18 21:04:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 21:04:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 21:04:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2022-11-18 21:04:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2022-11-18 21:04:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 21:04:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 21:04:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2022-11-18 21:04:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2022-11-18 21:04:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 21:04:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-18 21:04:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-18 21:04:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2022-11-18 21:04:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2022-11-18 21:04:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 21:04:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2022-11-18 21:04:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2022-11-18 21:04:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 21:04:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 21:04:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2022-11-18 21:04:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2022-11-18 21:04:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:04:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 21:04:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 21:04:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2022-11-18 21:04:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2022-11-18 21:04:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2022-11-18 21:04:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2022-11-18 21:04:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-18 21:04:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-18 21:04:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-18 21:04:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-18 21:04:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 21:04:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 21:04:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-18 21:04:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-18 21:04:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-18 21:04:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-18 21:04:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 21:04:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-18 21:04:08,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-18 21:04:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-18 21:04:08,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-18 21:04:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-18 21:04:08,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-18 21:04:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:04:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 21:04:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 21:04:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:04:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 21:04:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-18 21:04:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-18 21:04:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-18 21:04:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-18 21:04:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 21:04:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 21:04:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2022-11-18 21:04:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2022-11-18 21:04:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2022-11-18 21:04:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2022-11-18 21:04:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 21:04:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 21:04:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-18 21:04:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-18 21:04:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2022-11-18 21:04:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2022-11-18 21:04:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2022-11-18 21:04:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2022-11-18 21:04:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 21:04:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 21:04:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2022-11-18 21:04:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2022-11-18 21:04:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:04:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:04:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2022-11-18 21:04:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2022-11-18 21:04:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-18 21:04:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-18 21:04:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2022-11-18 21:04:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2022-11-18 21:04:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-18 21:04:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-18 21:04:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 21:04:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2022-11-18 21:04:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2022-11-18 21:04:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 21:04:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 21:04:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 21:04:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 21:04:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 21:04:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 21:04:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 21:04:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 21:04:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-18 21:04:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-18 21:04:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2022-11-18 21:04:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2022-11-18 21:04:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-18 21:04:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-18 21:04:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-18 21:04:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-18 21:04:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 21:04:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 21:04:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2022-11-18 21:04:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2022-11-18 21:04:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-18 21:04:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-18 21:04:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2022-11-18 21:04:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2022-11-18 21:04:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:04:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 21:04:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 21:04:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-18 21:04:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-18 21:04:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2022-11-18 21:04:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2022-11-18 21:04:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 21:04:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2022-11-18 21:04:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2022-11-18 21:04:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 21:04:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-18 21:04:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-18 21:04:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2022-11-18 21:04:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2022-11-18 21:04:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-18 21:04:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-18 21:04:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2022-11-18 21:04:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2022-11-18 21:04:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 21:04:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 21:04:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2022-11-18 21:04:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2022-11-18 21:04:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2022-11-18 21:04:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2022-11-18 21:04:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 21:04:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 21:04:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2022-11-18 21:04:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2022-11-18 21:04:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2022-11-18 21:04:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2022-11-18 21:04:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-18 21:04:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-18 21:04:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 21:04:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 21:04:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 21:04:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 21:04:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-18 21:04:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-18 21:04:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2022-11-18 21:04:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2022-11-18 21:04:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 21:04:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 21:04:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2022-11-18 21:04:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2022-11-18 21:04:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:04:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2022-11-18 21:04:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2022-11-18 21:04:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2022-11-18 21:04:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2022-11-18 21:04:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2022-11-18 21:04:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2022-11-18 21:04:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 21:04:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 21:04:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-11-18 21:04:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-11-18 21:04:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-11-18 21:04:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-11-18 21:04:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2022-11-18 21:04:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2022-11-18 21:04:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 21:04:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 21:04:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-18 21:04:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-18 21:04:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 21:04:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 21:04:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-18 21:04:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-18 21:04:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 21:04:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 21:04:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-18 21:04:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-18 21:04:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-18 21:04:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-18 21:04:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-18 21:04:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-18 21:04:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-18 21:04:08,894 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-18 21:04:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2022-11-18 21:04:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2022-11-18 21:04:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2022-11-18 21:04:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2022-11-18 21:04:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2022-11-18 21:04:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2022-11-18 21:04:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 21:04:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 21:04:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-18 21:04:08,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-18 21:04:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2022-11-18 21:04:08,896 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2022-11-18 21:04:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:04:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-18 21:04:08,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-18 21:04:10,335 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:04:10,339 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:04:10,838 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 21:04:15,731 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-18 21:04:15,868 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:04:15,898 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:04:15,898 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-11-18 21:04:15,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:04:15 BoogieIcfgContainer [2022-11-18 21:04:15,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:04:15,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:04:15,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:04:15,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:04:15,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:04:01" (1/3) ... [2022-11-18 21:04:15,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe96f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:04:15, skipping insertion in model container [2022-11-18 21:04:15,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:04:07" (2/3) ... [2022-11-18 21:04:15,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe96f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:04:15, skipping insertion in model container [2022-11-18 21:04:15,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:04:15" (3/3) ... [2022-11-18 21:04:15,919 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2022-11-18 21:04:15,939 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:04:15,940 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-18 21:04:16,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:04:16,103 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;@e08ccae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:04:16,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-18 21:04:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 2263 states, 1674 states have (on average 1.3727598566308243) internal successors, (2298), 1710 states have internal predecessors, (2298), 481 states have call successors, (481), 106 states have call predecessors, (481), 105 states have return successors, (474), 473 states have call predecessors, (474), 474 states have call successors, (474) [2022-11-18 21:04:16,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-18 21:04:16,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:04:16,167 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:04:16,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-18 21:04:16,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:16,176 INFO L85 PathProgramCache]: Analyzing trace with hash -903349451, now seen corresponding path program 1 times [2022-11-18 21:04:16,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:16,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094595506] [2022-11-18 21:04:16,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:16,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:04:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:04:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:04:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:04:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:04:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:04:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:04:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:04:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:17,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:04:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:04:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:04:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:04:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:04:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:04:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:04:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:04:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:04:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:04:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:04:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:04:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:04:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:04:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:04:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:04:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:04:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:04:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:04:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:04:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-18 21:04:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2022-11-18 21:04:18,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:18,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094595506] [2022-11-18 21:04:18,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094595506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:18,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:18,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:04:18,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835782066] [2022-11-18 21:04:18,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:18,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:04:18,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:18,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:04:18,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:04:18,645 INFO L87 Difference]: Start difference. First operand has 2263 states, 1674 states have (on average 1.3727598566308243) internal successors, (2298), 1710 states have internal predecessors, (2298), 481 states have call successors, (481), 106 states have call predecessors, (481), 105 states have return successors, (474), 473 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-18 21:04:26,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:04:26,709 INFO L93 Difference]: Finished difference Result 6397 states and 9346 transitions. [2022-11-18 21:04:26,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:04:26,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 327 [2022-11-18 21:04:26,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:04:26,785 INFO L225 Difference]: With dead ends: 6397 [2022-11-18 21:04:26,785 INFO L226 Difference]: Without dead ends: 4182 [2022-11-18 21:04:26,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:04:26,818 INFO L413 NwaCegarLoop]: 2416 mSDtfsCounter, 3846 mSDsluCounter, 3225 mSDsCounter, 0 mSdLazyCounter, 2920 mSolverCounterSat, 1070 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4223 SdHoareTripleChecker+Valid, 5641 SdHoareTripleChecker+Invalid, 3990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1070 IncrementalHoareTripleChecker+Valid, 2920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:04:26,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4223 Valid, 5641 Invalid, 3990 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1070 Valid, 2920 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-18 21:04:26,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4182 states. [2022-11-18 21:04:27,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4182 to 4166. [2022-11-18 21:04:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4166 states, 3075 states have (on average 1.3235772357723576) internal successors, (4070), 3145 states have internal predecessors, (4070), 882 states have call successors, (882), 207 states have call predecessors, (882), 206 states have return successors, (878), 876 states have call predecessors, (878), 878 states have call successors, (878) [2022-11-18 21:04:27,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 5830 transitions. [2022-11-18 21:04:27,196 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 5830 transitions. Word has length 327 [2022-11-18 21:04:27,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:04:27,202 INFO L495 AbstractCegarLoop]: Abstraction has 4166 states and 5830 transitions. [2022-11-18 21:04:27,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-18 21:04:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 5830 transitions. [2022-11-18 21:04:27,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-18 21:04:27,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:04:27,223 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:04:27,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:04:27,224 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-18 21:04:27,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:27,225 INFO L85 PathProgramCache]: Analyzing trace with hash 2119260821, now seen corresponding path program 1 times [2022-11-18 21:04:27,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:27,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809182508] [2022-11-18 21:04:27,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:27,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:04:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:04:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:04:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:04:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:04:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:04:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:04:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:04:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:04:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:04:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:27,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:04:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:04:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:04:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:04:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:04:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:04:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:04:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:04:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:04:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:04:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:04:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:04:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:04:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:04:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:04:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:04:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:04:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:04:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2022-11-18 21:04:28,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:28,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809182508] [2022-11-18 21:04:28,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809182508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:28,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:28,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:04:28,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668667383] [2022-11-18 21:04:28,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:28,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:04:28,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:28,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:04:28,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:04:28,499 INFO L87 Difference]: Start difference. First operand 4166 states and 5830 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 21:04:36,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:04:36,490 INFO L93 Difference]: Finished difference Result 12288 states and 17253 transitions. [2022-11-18 21:04:36,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:04:36,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 326 [2022-11-18 21:04:36,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:04:36,558 INFO L225 Difference]: With dead ends: 12288 [2022-11-18 21:04:36,558 INFO L226 Difference]: Without dead ends: 8181 [2022-11-18 21:04:36,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:04:36,582 INFO L413 NwaCegarLoop]: 2498 mSDtfsCounter, 3778 mSDsluCounter, 3333 mSDsCounter, 0 mSdLazyCounter, 2936 mSolverCounterSat, 1105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4153 SdHoareTripleChecker+Valid, 5831 SdHoareTripleChecker+Invalid, 4041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1105 IncrementalHoareTripleChecker+Valid, 2936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:04:36,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4153 Valid, 5831 Invalid, 4041 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1105 Valid, 2936 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-11-18 21:04:36,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8181 states. [2022-11-18 21:04:37,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8181 to 8125. [2022-11-18 21:04:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8125 states, 6016 states have (on average 1.3259640957446808) internal successors, (7977), 6156 states have internal predecessors, (7977), 1699 states have call successors, (1699), 410 states have call predecessors, (1699), 407 states have return successors, (1711), 1682 states have call predecessors, (1711), 1695 states have call successors, (1711) [2022-11-18 21:04:37,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8125 states to 8125 states and 11387 transitions. [2022-11-18 21:04:37,080 INFO L78 Accepts]: Start accepts. Automaton has 8125 states and 11387 transitions. Word has length 326 [2022-11-18 21:04:37,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:04:37,084 INFO L495 AbstractCegarLoop]: Abstraction has 8125 states and 11387 transitions. [2022-11-18 21:04:37,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 21:04:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 8125 states and 11387 transitions. [2022-11-18 21:04:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-11-18 21:04:37,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:04:37,097 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:04:37,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:04:37,098 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)] === [2022-11-18 21:04:37,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:37,099 INFO L85 PathProgramCache]: Analyzing trace with hash -889848655, now seen corresponding path program 1 times [2022-11-18 21:04:37,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:37,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375120501] [2022-11-18 21:04:37,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:37,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:04:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:04:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:04:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:04:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:04:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:04:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:04:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:04:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:04:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:04:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:04:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:04:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:04:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:04:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:04:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:04:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:37,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:04:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:04:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:04:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:04:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:04:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:04:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:04:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:04:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:04:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:04:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:04:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:04:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-18 21:04:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:04:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-18 21:04:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-18 21:04:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-18 21:04:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-11-18 21:04:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2022-11-18 21:04:38,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:38,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375120501] [2022-11-18 21:04:38,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375120501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:38,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:38,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:04:38,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993356157] [2022-11-18 21:04:38,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:38,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:04:38,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:38,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:04:38,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:04:38,315 INFO L87 Difference]: Start difference. First operand 8125 states and 11387 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-18 21:04:44,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:04:44,566 INFO L93 Difference]: Finished difference Result 16141 states and 22560 transitions. [2022-11-18 21:04:44,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:04:44,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 360 [2022-11-18 21:04:44,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:04:44,617 INFO L225 Difference]: With dead ends: 16141 [2022-11-18 21:04:44,617 INFO L226 Difference]: Without dead ends: 8075 [2022-11-18 21:04:44,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:04:44,652 INFO L413 NwaCegarLoop]: 2266 mSDtfsCounter, 2282 mSDsluCounter, 3178 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2534 SdHoareTripleChecker+Valid, 5444 SdHoareTripleChecker+Invalid, 3528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:04:44,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2534 Valid, 5444 Invalid, 3528 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [693 Valid, 2835 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-18 21:04:44,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8075 states. [2022-11-18 21:04:45,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8075 to 8009. [2022-11-18 21:04:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8009 states, 5984 states have (on average 1.3163435828877006) internal successors, (7877), 6111 states have internal predecessors, (7877), 1605 states have call successors, (1605), 421 states have call predecessors, (1605), 417 states have return successors, (1613), 1581 states have call predecessors, (1613), 1601 states have call successors, (1613) [2022-11-18 21:04:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8009 states to 8009 states and 11095 transitions. [2022-11-18 21:04:45,086 INFO L78 Accepts]: Start accepts. Automaton has 8009 states and 11095 transitions. Word has length 360 [2022-11-18 21:04:45,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:04:45,092 INFO L495 AbstractCegarLoop]: Abstraction has 8009 states and 11095 transitions. [2022-11-18 21:04:45,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-18 21:04:45,093 INFO L276 IsEmpty]: Start isEmpty. Operand 8009 states and 11095 transitions. [2022-11-18 21:04:45,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-11-18 21:04:45,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:04:45,102 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:04:45,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:04:45,103 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)] === [2022-11-18 21:04:45,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:45,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1888494018, now seen corresponding path program 1 times [2022-11-18 21:04:45,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:45,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385204930] [2022-11-18 21:04:45,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:45,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:04:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:04:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:04:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:04:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:04:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:04:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:04:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:04:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:04:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:04:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:04:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:04:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:04:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:04:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:04:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:04:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:04:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:04:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:04:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:04:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:04:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:04:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:04:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:04:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:04:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:04:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:46,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:04:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:46,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:04:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:46,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:04:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:46,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:04:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:46,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:46,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:04:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:46,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:04:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:04:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:46,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3435 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3423 trivial. 0 not checked. [2022-11-18 21:04:46,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:46,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385204930] [2022-11-18 21:04:46,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385204930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:46,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:46,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:04:46,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807950948] [2022-11-18 21:04:46,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:46,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:04:46,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:46,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:04:46,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:04:46,141 INFO L87 Difference]: Start difference. First operand 8009 states and 11095 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-18 21:04:52,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:04:52,800 INFO L93 Difference]: Finished difference Result 19975 states and 27785 transitions. [2022-11-18 21:04:52,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:04:52,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 373 [2022-11-18 21:04:52,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:04:52,876 INFO L225 Difference]: With dead ends: 19975 [2022-11-18 21:04:52,876 INFO L226 Difference]: Without dead ends: 13845 [2022-11-18 21:04:52,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:04:52,905 INFO L413 NwaCegarLoop]: 3825 mSDtfsCounter, 3330 mSDsluCounter, 4347 mSDsCounter, 0 mSdLazyCounter, 3510 mSolverCounterSat, 738 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3700 SdHoareTripleChecker+Valid, 8172 SdHoareTripleChecker+Invalid, 4248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 738 IncrementalHoareTripleChecker+Valid, 3510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:04:52,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3700 Valid, 8172 Invalid, 4248 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [738 Valid, 3510 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-18 21:04:52,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13845 states. [2022-11-18 21:04:53,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13845 to 13781. [2022-11-18 21:04:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13781 states, 10316 states have (on average 1.3193098100038774) internal successors, (13610), 10529 states have internal predecessors, (13610), 2745 states have call successors, (2745), 722 states have call predecessors, (2745), 717 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2022-11-18 21:04:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13781 states to 13781 states and 19118 transitions. [2022-11-18 21:04:53,510 INFO L78 Accepts]: Start accepts. Automaton has 13781 states and 19118 transitions. Word has length 373 [2022-11-18 21:04:53,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:04:53,511 INFO L495 AbstractCegarLoop]: Abstraction has 13781 states and 19118 transitions. [2022-11-18 21:04:53,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-18 21:04:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 13781 states and 19118 transitions. [2022-11-18 21:04:53,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-11-18 21:04:53,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:04:53,521 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:04:53,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:04:53,522 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)] === [2022-11-18 21:04:53,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:53,523 INFO L85 PathProgramCache]: Analyzing trace with hash -483245244, now seen corresponding path program 1 times [2022-11-18 21:04:53,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:53,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341558977] [2022-11-18 21:04:53,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:53,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:04:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:04:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:04:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:04:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:04:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:04:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:04:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:04:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:04:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:04:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:04:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:04:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:04:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:04:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:04:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:04:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:04:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:04:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:04:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:04:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:04:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:04:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:04:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:04:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:04:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:04:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:04:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:54,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:55,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:04:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:55,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:04:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:55,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:04:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:55,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:55,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:04:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:04:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:04:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2022-11-18 21:04:55,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:55,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341558977] [2022-11-18 21:04:55,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341558977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:55,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:55,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:04:55,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483880001] [2022-11-18 21:04:55,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:55,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:04:55,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:55,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:04:55,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:04:55,093 INFO L87 Difference]: Start difference. First operand 13781 states and 19118 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-18 21:05:00,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:00,513 INFO L93 Difference]: Finished difference Result 13847 states and 19246 transitions. [2022-11-18 21:05:00,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:05:00,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 373 [2022-11-18 21:05:00,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:00,586 INFO L225 Difference]: With dead ends: 13847 [2022-11-18 21:05:00,587 INFO L226 Difference]: Without dead ends: 13845 [2022-11-18 21:05:00,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:05:00,597 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3135 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3678 mSolverCounterSat, 816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3397 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 816 IncrementalHoareTripleChecker+Valid, 3678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:00,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3397 Valid, 7170 Invalid, 4494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [816 Valid, 3678 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-18 21:05:00,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13845 states. [2022-11-18 21:05:01,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13845 to 13785. [2022-11-18 21:05:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13785 states, 10319 states have (on average 1.3192169783893788) internal successors, (13613), 10532 states have internal predecessors, (13613), 2745 states have call successors, (2745), 723 states have call predecessors, (2745), 718 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2022-11-18 21:05:01,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13785 states to 13785 states and 19121 transitions. [2022-11-18 21:05:01,375 INFO L78 Accepts]: Start accepts. Automaton has 13785 states and 19121 transitions. Word has length 373 [2022-11-18 21:05:01,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:01,377 INFO L495 AbstractCegarLoop]: Abstraction has 13785 states and 19121 transitions. [2022-11-18 21:05:01,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-18 21:05:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 13785 states and 19121 transitions. [2022-11-18 21:05:01,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-11-18 21:05:01,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:01,388 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:01,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:05:01,388 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)] === [2022-11-18 21:05:01,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:01,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1160606748, now seen corresponding path program 1 times [2022-11-18 21:05:01,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:01,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720289644] [2022-11-18 21:05:01,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:01,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:05:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:05:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:05:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:05:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:05:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:05:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:05:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:05:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:05:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:05:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:05:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:05:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:05:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:05:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:05:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:05:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:05:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:05:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:05:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:05:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:05:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:05:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:05:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:05:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:05:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:05:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:05:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:05:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:05:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:05:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:05:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:05:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:05:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:02,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:05:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3437 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2022-11-18 21:05:03,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:03,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720289644] [2022-11-18 21:05:03,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720289644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:03,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:03,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:05:03,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863426216] [2022-11-18 21:05:03,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:03,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:05:03,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:03,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:05:03,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:05:03,016 INFO L87 Difference]: Start difference. First operand 13785 states and 19121 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-18 21:05:08,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:08,781 INFO L93 Difference]: Finished difference Result 13851 states and 19249 transitions. [2022-11-18 21:05:08,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:05:08,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 378 [2022-11-18 21:05:08,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:08,857 INFO L225 Difference]: With dead ends: 13851 [2022-11-18 21:05:08,858 INFO L226 Difference]: Without dead ends: 13849 [2022-11-18 21:05:08,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:05:08,869 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3127 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 815 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:08,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7170 Invalid, 4496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [815 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-18 21:05:08,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13849 states. [2022-11-18 21:05:09,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13849 to 13789. [2022-11-18 21:05:09,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13789 states, 10322 states have (on average 1.3191242007362913) internal successors, (13616), 10535 states have internal predecessors, (13616), 2745 states have call successors, (2745), 724 states have call predecessors, (2745), 719 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2022-11-18 21:05:09,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13789 states to 13789 states and 19124 transitions. [2022-11-18 21:05:09,747 INFO L78 Accepts]: Start accepts. Automaton has 13789 states and 19124 transitions. Word has length 378 [2022-11-18 21:05:09,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:09,749 INFO L495 AbstractCegarLoop]: Abstraction has 13789 states and 19124 transitions. [2022-11-18 21:05:09,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-18 21:05:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 13789 states and 19124 transitions. [2022-11-18 21:05:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-11-18 21:05:09,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:09,761 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:09,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 21:05:09,761 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)] === [2022-11-18 21:05:09,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:09,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1097081348, now seen corresponding path program 1 times [2022-11-18 21:05:09,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:09,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128844009] [2022-11-18 21:05:09,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:09,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:05:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:05:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:05:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:05:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:05:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:05:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:05:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:05:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:05:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:05:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:05:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:05:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:05:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:05:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:05:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:05:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:05:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:05:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:05:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:05:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:05:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:05:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:05:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:05:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:05:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:05:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:05:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:05:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:05:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:05:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:05:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:05:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:05:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:05:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:05:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3443 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3439 trivial. 0 not checked. [2022-11-18 21:05:11,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:11,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128844009] [2022-11-18 21:05:11,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128844009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:11,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:11,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:05:11,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968018703] [2022-11-18 21:05:11,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:11,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:05:11,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:11,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:05:11,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:05:11,327 INFO L87 Difference]: Start difference. First operand 13789 states and 19124 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-18 21:05:15,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:15,939 INFO L93 Difference]: Finished difference Result 13855 states and 19252 transitions. [2022-11-18 21:05:15,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:05:15,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 383 [2022-11-18 21:05:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:16,006 INFO L225 Difference]: With dead ends: 13855 [2022-11-18 21:05:16,007 INFO L226 Difference]: Without dead ends: 13853 [2022-11-18 21:05:16,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:05:16,017 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3127 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 814 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:16,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7170 Invalid, 4495 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [814 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-18 21:05:16,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13853 states. [2022-11-18 21:05:16,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13853 to 13793. [2022-11-18 21:05:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13793 states, 10325 states have (on average 1.3190314769975786) internal successors, (13619), 10538 states have internal predecessors, (13619), 2745 states have call successors, (2745), 725 states have call predecessors, (2745), 720 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2022-11-18 21:05:16,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13793 states to 13793 states and 19127 transitions. [2022-11-18 21:05:16,864 INFO L78 Accepts]: Start accepts. Automaton has 13793 states and 19127 transitions. Word has length 383 [2022-11-18 21:05:16,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:16,865 INFO L495 AbstractCegarLoop]: Abstraction has 13793 states and 19127 transitions. [2022-11-18 21:05:16,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-18 21:05:16,865 INFO L276 IsEmpty]: Start isEmpty. Operand 13793 states and 19127 transitions. [2022-11-18 21:05:16,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-11-18 21:05:16,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:16,876 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:16,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 21:05:16,877 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-18 21:05:16,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:16,877 INFO L85 PathProgramCache]: Analyzing trace with hash 961739996, now seen corresponding path program 1 times [2022-11-18 21:05:16,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:16,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112586020] [2022-11-18 21:05:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:16,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:05:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:05:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:05:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:05:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:05:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:05:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:05:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:05:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:05:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:05:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:05:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:05:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:05:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:05:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:05:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:05:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:05:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:05:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:05:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:05:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:05:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:05:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:05:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:05:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:05:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:05:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:05:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:05:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:05:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:05:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:05:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:05:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:05:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:05:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:05:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 21:05:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3453 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3447 trivial. 0 not checked. [2022-11-18 21:05:18,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:18,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112586020] [2022-11-18 21:05:18,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112586020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:18,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:18,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:05:18,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653223366] [2022-11-18 21:05:18,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:18,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:05:18,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:18,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:05:18,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:05:18,312 INFO L87 Difference]: Start difference. First operand 13793 states and 19127 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-18 21:05:23,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:23,313 INFO L93 Difference]: Finished difference Result 13859 states and 19255 transitions. [2022-11-18 21:05:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:05:23,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 388 [2022-11-18 21:05:23,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:23,382 INFO L225 Difference]: With dead ends: 13859 [2022-11-18 21:05:23,382 INFO L226 Difference]: Without dead ends: 13857 [2022-11-18 21:05:23,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:05:23,393 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3127 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 813 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:23,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7170 Invalid, 4494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [813 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-18 21:05:23,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13857 states. [2022-11-18 21:05:24,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13857 to 13797. [2022-11-18 21:05:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13797 states, 10328 states have (on average 1.3189388071262587) internal successors, (13622), 10541 states have internal predecessors, (13622), 2745 states have call successors, (2745), 726 states have call predecessors, (2745), 721 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2022-11-18 21:05:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13797 states to 13797 states and 19130 transitions. [2022-11-18 21:05:24,287 INFO L78 Accepts]: Start accepts. Automaton has 13797 states and 19130 transitions. Word has length 388 [2022-11-18 21:05:24,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:24,288 INFO L495 AbstractCegarLoop]: Abstraction has 13797 states and 19130 transitions. [2022-11-18 21:05:24,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-18 21:05:24,289 INFO L276 IsEmpty]: Start isEmpty. Operand 13797 states and 19130 transitions. [2022-11-18 21:05:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-11-18 21:05:24,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:24,298 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 5, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:24,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 21:05:24,299 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)] === [2022-11-18 21:05:24,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:24,299 INFO L85 PathProgramCache]: Analyzing trace with hash 2001748164, now seen corresponding path program 1 times [2022-11-18 21:05:24,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:24,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233215288] [2022-11-18 21:05:24,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:24,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:05:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:05:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:05:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:05:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:05:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:05:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:05:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:05:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:05:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:05:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:05:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:05:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:05:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:05:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:05:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:05:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:05:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:05:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:05:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:05:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:05:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:05:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:05:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:05:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:05:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:05:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:05:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:05:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:05:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:05:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:05:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:05:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:05:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:05:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:05:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 21:05:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 21:05:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3467 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3459 trivial. 0 not checked. [2022-11-18 21:05:25,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:25,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233215288] [2022-11-18 21:05:25,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233215288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:25,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:25,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:05:25,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207856357] [2022-11-18 21:05:25,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:25,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:05:25,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:25,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:05:25,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:05:25,740 INFO L87 Difference]: Start difference. First operand 13797 states and 19130 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-18 21:05:31,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:31,298 INFO L93 Difference]: Finished difference Result 13863 states and 19258 transitions. [2022-11-18 21:05:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:05:31,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 393 [2022-11-18 21:05:31,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:31,365 INFO L225 Difference]: With dead ends: 13863 [2022-11-18 21:05:31,365 INFO L226 Difference]: Without dead ends: 13861 [2022-11-18 21:05:31,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:05:31,376 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3127 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 812 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:31,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7170 Invalid, 4493 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [812 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-18 21:05:31,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13861 states. [2022-11-18 21:05:32,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13861 to 13801. [2022-11-18 21:05:32,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13801 states, 10331 states have (on average 1.3188461910754041) internal successors, (13625), 10544 states have internal predecessors, (13625), 2745 states have call successors, (2745), 727 states have call predecessors, (2745), 722 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2022-11-18 21:05:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13801 states to 13801 states and 19133 transitions. [2022-11-18 21:05:32,453 INFO L78 Accepts]: Start accepts. Automaton has 13801 states and 19133 transitions. Word has length 393 [2022-11-18 21:05:32,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:32,454 INFO L495 AbstractCegarLoop]: Abstraction has 13801 states and 19133 transitions. [2022-11-18 21:05:32,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-18 21:05:32,455 INFO L276 IsEmpty]: Start isEmpty. Operand 13801 states and 19133 transitions. [2022-11-18 21:05:32,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-11-18 21:05:32,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:32,468 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:32,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 21:05:32,468 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)] === [2022-11-18 21:05:32,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:32,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2010741861, now seen corresponding path program 1 times [2022-11-18 21:05:32,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:32,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217456162] [2022-11-18 21:05:32,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:32,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:05:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:05:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:05:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:05:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:05:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:05:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:05:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:05:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:05:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:05:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:05:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:05:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:05:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:05:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:05:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:05:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:05:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:05:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:05:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:05:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:05:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:05:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:05:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:05:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:05:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:05:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:05:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:05:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:05:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:05:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:05:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:05:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-11-18 21:05:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-11-18 21:05:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:05:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:05:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-11-18 21:05:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-18 21:05:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-11-18 21:05:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-11-18 21:05:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-18 21:05:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3490 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3475 trivial. 0 not checked. [2022-11-18 21:05:33,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:33,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217456162] [2022-11-18 21:05:33,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217456162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:33,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:33,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:05:33,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733375951] [2022-11-18 21:05:33,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:33,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:05:33,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:33,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:05:33,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:05:33,315 INFO L87 Difference]: Start difference. First operand 13801 states and 19133 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-18 21:05:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:48,511 INFO L93 Difference]: Finished difference Result 31628 states and 43958 transitions. [2022-11-18 21:05:48,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:05:48,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 411 [2022-11-18 21:05:48,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:48,591 INFO L225 Difference]: With dead ends: 31628 [2022-11-18 21:05:48,591 INFO L226 Difference]: Without dead ends: 19706 [2022-11-18 21:05:48,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:05:48,639 INFO L413 NwaCegarLoop]: 1640 mSDtfsCounter, 4488 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 9299 mSolverCounterSat, 2058 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4797 SdHoareTripleChecker+Valid, 4321 SdHoareTripleChecker+Invalid, 11357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2058 IncrementalHoareTripleChecker+Valid, 9299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:48,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4797 Valid, 4321 Invalid, 11357 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2058 Valid, 9299 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2022-11-18 21:05:48,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19706 states. [2022-11-18 21:05:50,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19706 to 19577. [2022-11-18 21:05:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19577 states, 14667 states have (on average 1.320106361219063) internal successors, (19362), 14966 states have internal predecessors, (19362), 3885 states have call successors, (3885), 1028 states have call predecessors, (3885), 1022 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2022-11-18 21:05:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19577 states to 19577 states and 27160 transitions. [2022-11-18 21:05:50,414 INFO L78 Accepts]: Start accepts. Automaton has 19577 states and 27160 transitions. Word has length 411 [2022-11-18 21:05:50,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:50,415 INFO L495 AbstractCegarLoop]: Abstraction has 19577 states and 27160 transitions. [2022-11-18 21:05:50,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-18 21:05:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 19577 states and 27160 transitions. [2022-11-18 21:05:50,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-11-18 21:05:50,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:50,428 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 6, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:05:50,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 21:05:50,428 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)] === [2022-11-18 21:05:50,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:50,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1344685468, now seen corresponding path program 1 times [2022-11-18 21:05:50,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:50,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188419744] [2022-11-18 21:05:50,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:50,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:05:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:05:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:05:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:05:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:05:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:05:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:05:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:05:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:05:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:05:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:05:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:05:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:05:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:05:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:05:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:05:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:05:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:05:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:05:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:05:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:05:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:05:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:05:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:05:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:05:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:05:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:05:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:05:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:05:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:05:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:05:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:05:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:05:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:05:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:05:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 21:05:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 21:05:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-18 21:05:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:51,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3485 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3475 trivial. 0 not checked. [2022-11-18 21:05:51,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:51,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188419744] [2022-11-18 21:05:51,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188419744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:51,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:51,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:05:51,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606854343] [2022-11-18 21:05:51,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:51,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:05:51,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:51,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:05:51,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:05:51,797 INFO L87 Difference]: Start difference. First operand 19577 states and 27160 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-18 21:05:58,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:58,101 INFO L93 Difference]: Finished difference Result 19667 states and 27328 transitions. [2022-11-18 21:05:58,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:05:58,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 398 [2022-11-18 21:05:58,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:58,180 INFO L225 Difference]: With dead ends: 19667 [2022-11-18 21:05:58,180 INFO L226 Difference]: Without dead ends: 19665 [2022-11-18 21:05:58,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:05:58,190 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3127 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 811 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 811 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:58,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7170 Invalid, 4492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [811 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-18 21:05:58,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19665 states. [2022-11-18 21:05:59,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19665 to 19581. [2022-11-18 21:05:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19581 states, 14670 states have (on average 1.320040899795501) internal successors, (19365), 14969 states have internal predecessors, (19365), 3885 states have call successors, (3885), 1029 states have call predecessors, (3885), 1023 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2022-11-18 21:06:00,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19581 states to 19581 states and 27163 transitions. [2022-11-18 21:06:00,071 INFO L78 Accepts]: Start accepts. Automaton has 19581 states and 27163 transitions. Word has length 398 [2022-11-18 21:06:00,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:00,073 INFO L495 AbstractCegarLoop]: Abstraction has 19581 states and 27163 transitions. [2022-11-18 21:06:00,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-18 21:06:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 19581 states and 27163 transitions. [2022-11-18 21:06:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-11-18 21:06:00,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:00,088 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 7, 6, 6, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:00,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 21:06:00,089 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)] === [2022-11-18 21:06:00,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:00,090 INFO L85 PathProgramCache]: Analyzing trace with hash -785997948, now seen corresponding path program 1 times [2022-11-18 21:06:00,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:00,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120019417] [2022-11-18 21:06:00,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:00,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:06:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:06:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:06:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:06:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:06:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:06:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:06:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:06:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:06:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:06:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:06:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:06:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:06:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:06:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:06:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:06:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:06:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:06:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:06:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:06:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:06:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:06:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:06:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:06:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:06:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:06:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:06:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:06:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:06:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:06:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:06:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:06:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:06:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:06:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:06:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 21:06:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 21:06:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-18 21:06:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-18 21:06:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3495 trivial. 0 not checked. [2022-11-18 21:06:01,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:01,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120019417] [2022-11-18 21:06:01,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120019417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:01,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:01,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:06:01,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758738935] [2022-11-18 21:06:01,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:01,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:01,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:01,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:01,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:01,449 INFO L87 Difference]: Start difference. First operand 19581 states and 27163 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-18 21:06:07,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:07,372 INFO L93 Difference]: Finished difference Result 19671 states and 27331 transitions. [2022-11-18 21:06:07,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:06:07,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 403 [2022-11-18 21:06:07,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:07,436 INFO L225 Difference]: With dead ends: 19671 [2022-11-18 21:06:07,436 INFO L226 Difference]: Without dead ends: 19669 [2022-11-18 21:06:07,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:06:07,442 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3127 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 810 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:07,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7170 Invalid, 4491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [810 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-18 21:06:07,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19669 states. [2022-11-18 21:06:09,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19669 to 19585. [2022-11-18 21:06:09,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19585 states, 14673 states have (on average 1.3199754651400533) internal successors, (19368), 14972 states have internal predecessors, (19368), 3885 states have call successors, (3885), 1030 states have call predecessors, (3885), 1024 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2022-11-18 21:06:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19585 states to 19585 states and 27166 transitions. [2022-11-18 21:06:09,185 INFO L78 Accepts]: Start accepts. Automaton has 19585 states and 27166 transitions. Word has length 403 [2022-11-18 21:06:09,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:09,186 INFO L495 AbstractCegarLoop]: Abstraction has 19585 states and 27166 transitions. [2022-11-18 21:06:09,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-18 21:06:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 19585 states and 27166 transitions. [2022-11-18 21:06:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-11-18 21:06:09,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:09,198 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 8, 7, 7, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:09,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 21:06:09,199 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)] === [2022-11-18 21:06:09,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:09,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1534545500, now seen corresponding path program 1 times [2022-11-18 21:06:09,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:09,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774740945] [2022-11-18 21:06:09,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:09,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:06:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:06:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:06:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:06:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:06:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:06:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:06:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:06:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:06:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:06:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:09,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:06:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:06:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:06:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:06:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:06:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:06:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:06:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:06:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:06:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:06:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:06:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:06:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:06:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:06:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:06:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:06:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:06:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:06:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:06:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:06:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:06:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:06:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:06:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:06:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:06:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 21:06:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 21:06:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-18 21:06:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-18 21:06:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 21:06:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3533 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3519 trivial. 0 not checked. [2022-11-18 21:06:10,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:10,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774740945] [2022-11-18 21:06:10,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774740945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:10,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:10,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:06:10,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811370886] [2022-11-18 21:06:10,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:10,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:10,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:10,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:10,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:10,509 INFO L87 Difference]: Start difference. First operand 19585 states and 27166 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-18 21:06:17,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:17,293 INFO L93 Difference]: Finished difference Result 21176 states and 29159 transitions. [2022-11-18 21:06:17,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:06:17,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 408 [2022-11-18 21:06:17,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:17,380 INFO L225 Difference]: With dead ends: 21176 [2022-11-18 21:06:17,380 INFO L226 Difference]: Without dead ends: 21174 [2022-11-18 21:06:17,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:06:17,392 INFO L413 NwaCegarLoop]: 2105 mSDtfsCounter, 3133 mSDsluCounter, 5143 mSDsCounter, 0 mSdLazyCounter, 4043 mSolverCounterSat, 769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3408 SdHoareTripleChecker+Valid, 7248 SdHoareTripleChecker+Invalid, 4812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 4043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:17,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3408 Valid, 7248 Invalid, 4812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [769 Valid, 4043 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-18 21:06:17,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21174 states. [2022-11-18 21:06:18,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21174 to 21038. [2022-11-18 21:06:18,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21038 states, 15729 states have (on average 1.3159132812003307) internal successors, (20698), 16051 states have internal predecessors, (20698), 4115 states have call successors, (4115), 1197 states have call predecessors, (4115), 1191 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2022-11-18 21:06:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21038 states to 21038 states and 28956 transitions. [2022-11-18 21:06:19,050 INFO L78 Accepts]: Start accepts. Automaton has 21038 states and 28956 transitions. Word has length 408 [2022-11-18 21:06:19,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:19,051 INFO L495 AbstractCegarLoop]: Abstraction has 21038 states and 28956 transitions. [2022-11-18 21:06:19,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-18 21:06:19,052 INFO L276 IsEmpty]: Start isEmpty. Operand 21038 states and 28956 transitions. [2022-11-18 21:06:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-18 21:06:19,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:19,073 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 9, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:19,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 21:06:19,073 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)] === [2022-11-18 21:06:19,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:19,074 INFO L85 PathProgramCache]: Analyzing trace with hash 521616964, now seen corresponding path program 1 times [2022-11-18 21:06:19,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:19,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926402775] [2022-11-18 21:06:19,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:19,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:19,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:06:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:19,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:19,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:06:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:19,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:06:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:19,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:06:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:19,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:19,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:06:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:06:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:06:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:06:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:06:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:06:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:06:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:06:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:06:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:06:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:06:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:06:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:06:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:06:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:06:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:06:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:06:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:06:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:06:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:06:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:06:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:06:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:06:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:06:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:06:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:06:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:06:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:06:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:06:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:06:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:06:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 21:06:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 21:06:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-18 21:06:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-18 21:06:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 21:06:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-18 21:06:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3547 trivial. 0 not checked. [2022-11-18 21:06:20,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:20,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926402775] [2022-11-18 21:06:20,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926402775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:20,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:20,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:06:20,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121577691] [2022-11-18 21:06:20,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:20,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:20,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:20,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:20,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:20,596 INFO L87 Difference]: Start difference. First operand 21038 states and 28956 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-18 21:06:26,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:26,780 INFO L93 Difference]: Finished difference Result 21180 states and 29162 transitions. [2022-11-18 21:06:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:06:26,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 413 [2022-11-18 21:06:26,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:26,844 INFO L225 Difference]: With dead ends: 21180 [2022-11-18 21:06:26,844 INFO L226 Difference]: Without dead ends: 21178 [2022-11-18 21:06:26,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:06:26,852 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3127 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 808 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:26,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7170 Invalid, 4489 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [808 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-18 21:06:26,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21178 states. [2022-11-18 21:06:28,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21178 to 21042. [2022-11-18 21:06:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21042 states, 15732 states have (on average 1.3158530383930842) internal successors, (20701), 16054 states have internal predecessors, (20701), 4115 states have call successors, (4115), 1198 states have call predecessors, (4115), 1192 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2022-11-18 21:06:28,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21042 states to 21042 states and 28959 transitions. [2022-11-18 21:06:28,831 INFO L78 Accepts]: Start accepts. Automaton has 21042 states and 28959 transitions. Word has length 413 [2022-11-18 21:06:28,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:28,832 INFO L495 AbstractCegarLoop]: Abstraction has 21042 states and 28959 transitions. [2022-11-18 21:06:28,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-18 21:06:28,832 INFO L276 IsEmpty]: Start isEmpty. Operand 21042 states and 28959 transitions. [2022-11-18 21:06:28,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-11-18 21:06:28,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:28,846 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 10, 9, 9, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:28,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 21:06:28,847 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)] === [2022-11-18 21:06:28,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:28,847 INFO L85 PathProgramCache]: Analyzing trace with hash 689313564, now seen corresponding path program 1 times [2022-11-18 21:06:28,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:28,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162418749] [2022-11-18 21:06:28,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:28,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:06:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:06:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:06:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:06:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:06:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:06:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:06:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:06:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:06:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:06:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:06:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:06:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:06:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:06:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:06:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:06:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:06:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:06:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:06:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:06:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:06:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:06:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:06:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:06:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:06:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:06:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:06:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:29,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:06:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:06:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:06:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:06:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:06:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:06:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:06:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:06:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 21:06:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 21:06:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-18 21:06:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-18 21:06:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 21:06:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-18 21:06:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-18 21:06:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3597 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 3579 trivial. 0 not checked. [2022-11-18 21:06:30,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:30,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162418749] [2022-11-18 21:06:30,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162418749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:30,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:30,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:06:30,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528149261] [2022-11-18 21:06:30,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:30,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:30,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:30,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:30,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:30,142 INFO L87 Difference]: Start difference. First operand 21042 states and 28959 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-18 21:06:36,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:36,640 INFO L93 Difference]: Finished difference Result 21184 states and 29165 transitions. [2022-11-18 21:06:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:06:36,641 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 418 [2022-11-18 21:06:36,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:36,755 INFO L225 Difference]: With dead ends: 21184 [2022-11-18 21:06:36,756 INFO L226 Difference]: Without dead ends: 21182 [2022-11-18 21:06:36,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:06:36,774 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3127 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 807 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:36,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7170 Invalid, 4488 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [807 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-18 21:06:36,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21182 states. [2022-11-18 21:06:38,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21182 to 21046. [2022-11-18 21:06:38,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21046 states, 15735 states have (on average 1.3157928185573562) internal successors, (20704), 16057 states have internal predecessors, (20704), 4115 states have call successors, (4115), 1199 states have call predecessors, (4115), 1193 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2022-11-18 21:06:38,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21046 states to 21046 states and 28962 transitions. [2022-11-18 21:06:38,615 INFO L78 Accepts]: Start accepts. Automaton has 21046 states and 28962 transitions. Word has length 418 [2022-11-18 21:06:38,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:38,615 INFO L495 AbstractCegarLoop]: Abstraction has 21046 states and 28962 transitions. [2022-11-18 21:06:38,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-18 21:06:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 21046 states and 28962 transitions. [2022-11-18 21:06:38,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-11-18 21:06:38,631 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:38,631 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 11, 10, 10, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:38,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 21:06:38,632 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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)] === [2022-11-18 21:06:38,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:38,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1252909820, now seen corresponding path program 1 times [2022-11-18 21:06:38,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:38,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090138952] [2022-11-18 21:06:38,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:38,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:06:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:06:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:06:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:06:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:06:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:06:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:06:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:06:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:06:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:06:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:06:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:06:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:06:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:06:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:06:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:06:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:06:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:06:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:06:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:06:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:06:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:06:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:06:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:06:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:06:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:06:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:06:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:06:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:06:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:06:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:06:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:06:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:06:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:06:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:06:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 21:06:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 21:06:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-18 21:06:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-18 21:06:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 21:06:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-18 21:06:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-18 21:06:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-18 21:06:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3635 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3615 trivial. 0 not checked. [2022-11-18 21:06:39,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:39,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090138952] [2022-11-18 21:06:39,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090138952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:39,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:39,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:06:39,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753322988] [2022-11-18 21:06:39,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:39,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:39,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:39,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:39,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:39,769 INFO L87 Difference]: Start difference. First operand 21046 states and 28962 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-18 21:06:45,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:45,877 INFO L93 Difference]: Finished difference Result 21188 states and 29168 transitions. [2022-11-18 21:06:45,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:06:45,878 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 423 [2022-11-18 21:06:45,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:45,964 INFO L225 Difference]: With dead ends: 21188 [2022-11-18 21:06:45,965 INFO L226 Difference]: Without dead ends: 21186 [2022-11-18 21:06:45,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:06:45,979 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3127 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:45,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7170 Invalid, 4487 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [806 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-18 21:06:46,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21186 states. [2022-11-18 21:06:47,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21186 to 21050. [2022-11-18 21:06:47,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21050 states, 15738 states have (on average 1.3157326216800103) internal successors, (20707), 16060 states have internal predecessors, (20707), 4115 states have call successors, (4115), 1200 states have call predecessors, (4115), 1194 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2022-11-18 21:06:47,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21050 states to 21050 states and 28965 transitions. [2022-11-18 21:06:47,577 INFO L78 Accepts]: Start accepts. Automaton has 21050 states and 28965 transitions. Word has length 423 [2022-11-18 21:06:47,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:47,577 INFO L495 AbstractCegarLoop]: Abstraction has 21050 states and 28965 transitions. [2022-11-18 21:06:47,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-18 21:06:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 21050 states and 28965 transitions. [2022-11-18 21:06:47,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2022-11-18 21:06:47,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:47,593 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 12, 11, 11, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:47,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 21:06:47,593 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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)] === [2022-11-18 21:06:47,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:47,594 INFO L85 PathProgramCache]: Analyzing trace with hash -92518505, now seen corresponding path program 1 times [2022-11-18 21:06:47,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:47,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139115121] [2022-11-18 21:06:47,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:47,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:06:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:06:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:06:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:06:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:06:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:06:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:06:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:06:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:06:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:06:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:06:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:06:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:06:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:06:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:06:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:06:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:06:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:06:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:06:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:06:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:06:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:06:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:06:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:06:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:06:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:06:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:06:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:06:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:06:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:06:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:06:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:06:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-11-18 21:06:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-18 21:06:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:06:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 21:06:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-11-18 21:06:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:06:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-18 21:06:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-18 21:06:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-11-18 21:06:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-18 21:06:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-11-18 21:06:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-11-18 21:06:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-11-18 21:06:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-11-18 21:06:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-11-18 21:06:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-11-18 21:06:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-11-18 21:06:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:48,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3900 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3865 trivial. 0 not checked. [2022-11-18 21:06:48,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:48,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139115121] [2022-11-18 21:06:48,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139115121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:48,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:48,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:06:48,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105516452] [2022-11-18 21:06:48,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:48,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:06:48,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:48,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:06:48,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:06:48,403 INFO L87 Difference]: Start difference. First operand 21050 states and 28965 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-18 21:07:06,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:06,887 INFO L93 Difference]: Finished difference Result 46428 states and 63964 transitions. [2022-11-18 21:07:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:07:06,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 468 [2022-11-18 21:07:06,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:06,992 INFO L225 Difference]: With dead ends: 46428 [2022-11-18 21:07:06,992 INFO L226 Difference]: Without dead ends: 27425 [2022-11-18 21:07:07,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:07:07,045 INFO L413 NwaCegarLoop]: 1640 mSDtfsCounter, 4471 mSDsluCounter, 2680 mSDsCounter, 0 mSdLazyCounter, 9279 mSolverCounterSat, 1969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4780 SdHoareTripleChecker+Valid, 4320 SdHoareTripleChecker+Invalid, 11248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1969 IncrementalHoareTripleChecker+Valid, 9279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:07,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4780 Valid, 4320 Invalid, 11248 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1969 Valid, 9279 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2022-11-18 21:07:07,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27425 states. [2022-11-18 21:07:09,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27425 to 27245. [2022-11-18 21:07:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27245 states, 20376 states have (on average 1.3165488810365136) internal successors, (26826), 20791 states have internal predecessors, (26826), 5323 states have call successors, (5323), 1550 states have call predecessors, (5323), 1543 states have return successors, (5361), 5277 states have call predecessors, (5361), 5319 states have call successors, (5361) [2022-11-18 21:07:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27245 states to 27245 states and 37510 transitions. [2022-11-18 21:07:09,412 INFO L78 Accepts]: Start accepts. Automaton has 27245 states and 37510 transitions. Word has length 468 [2022-11-18 21:07:09,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:09,413 INFO L495 AbstractCegarLoop]: Abstraction has 27245 states and 37510 transitions. [2022-11-18 21:07:09,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-18 21:07:09,413 INFO L276 IsEmpty]: Start isEmpty. Operand 27245 states and 37510 transitions. [2022-11-18 21:07:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-18 21:07:09,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:09,429 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 12, 11, 11, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:09,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 21:07:09,429 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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)] === [2022-11-18 21:07:09,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:09,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2100125732, now seen corresponding path program 1 times [2022-11-18 21:07:09,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:09,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731841042] [2022-11-18 21:07:09,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:09,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:07:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:07:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:07:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:07:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:07:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:07:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:07:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:07:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:07:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:07:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:07:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:07:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:07:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:07:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:07:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:07:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:07:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:07:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:07:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:07:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:07:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:07:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:07:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:07:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:07:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:07:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:07:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:07:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:07:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:07:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:07:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:07:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:07:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:07:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:07:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 21:07:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 21:07:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-18 21:07:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-18 21:07:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 21:07:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-18 21:07:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-18 21:07:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-18 21:07:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-11-18 21:07:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3677 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2022-11-18 21:07:10,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:10,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731841042] [2022-11-18 21:07:10,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731841042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:10,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:10,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:07:10,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179251263] [2022-11-18 21:07:10,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:10,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:07:10,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:10,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:07:10,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:07:10,613 INFO L87 Difference]: Start difference. First operand 27245 states and 37510 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-18 21:07:17,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:17,431 INFO L93 Difference]: Finished difference Result 27427 states and 37768 transitions. [2022-11-18 21:07:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:07:17,431 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 428 [2022-11-18 21:07:17,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:17,521 INFO L225 Difference]: With dead ends: 27427 [2022-11-18 21:07:17,521 INFO L226 Difference]: Without dead ends: 27425 [2022-11-18 21:07:17,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:07:17,533 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3127 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 805 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:17,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7170 Invalid, 4486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [805 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-18 21:07:17,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27425 states. [2022-11-18 21:07:19,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27425 to 27249. [2022-11-18 21:07:19,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27249 states, 20379 states have (on average 1.316502281760636) internal successors, (26829), 20794 states have internal predecessors, (26829), 5323 states have call successors, (5323), 1551 states have call predecessors, (5323), 1544 states have return successors, (5361), 5277 states have call predecessors, (5361), 5319 states have call successors, (5361) [2022-11-18 21:07:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27249 states to 27249 states and 37513 transitions. [2022-11-18 21:07:19,791 INFO L78 Accepts]: Start accepts. Automaton has 27249 states and 37513 transitions. Word has length 428 [2022-11-18 21:07:19,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:19,792 INFO L495 AbstractCegarLoop]: Abstraction has 27249 states and 37513 transitions. [2022-11-18 21:07:19,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-18 21:07:19,792 INFO L276 IsEmpty]: Start isEmpty. Operand 27249 states and 37513 transitions. [2022-11-18 21:07:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-11-18 21:07:19,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:19,811 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:19,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 21:07:19,812 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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)] === [2022-11-18 21:07:19,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:19,812 INFO L85 PathProgramCache]: Analyzing trace with hash 659282253, now seen corresponding path program 1 times [2022-11-18 21:07:19,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:19,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917523769] [2022-11-18 21:07:19,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:19,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:07:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:07:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:07:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:07:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:07:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:07:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:07:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:07:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:07:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:07:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:07:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:07:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:07:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:07:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:07:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:07:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:07:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:07:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:07:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:07:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:07:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:07:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:07:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:07:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:07:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:07:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:07:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:07:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:07:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-18 21:07:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-18 21:07:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-18 21:07:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-11-18 21:07:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-11-18 21:07:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-18 21:07:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-11-18 21:07:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-18 21:07:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-11-18 21:07:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-11-18 21:07:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-11-18 21:07:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-11-18 21:07:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3547 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3544 trivial. 0 not checked. [2022-11-18 21:07:20,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:20,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917523769] [2022-11-18 21:07:20,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917523769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:20,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:20,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:07:20,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856864167] [2022-11-18 21:07:20,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:20,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:07:20,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:20,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:07:20,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:07:20,838 INFO L87 Difference]: Start difference. First operand 27249 states and 37513 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-18 21:07:30,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:30,713 INFO L93 Difference]: Finished difference Result 60903 states and 83754 transitions. [2022-11-18 21:07:30,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:07:30,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 429 [2022-11-18 21:07:30,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:30,866 INFO L225 Difference]: With dead ends: 60903 [2022-11-18 21:07:30,866 INFO L226 Difference]: Without dead ends: 35701 [2022-11-18 21:07:30,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:07:30,942 INFO L413 NwaCegarLoop]: 3066 mSDtfsCounter, 2000 mSDsluCounter, 3772 mSDsCounter, 0 mSdLazyCounter, 3215 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2253 SdHoareTripleChecker+Valid, 6838 SdHoareTripleChecker+Invalid, 3705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 3215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:30,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2253 Valid, 6838 Invalid, 3705 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [490 Valid, 3215 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-18 21:07:30,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35701 states. [2022-11-18 21:07:34,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35701 to 35383. [2022-11-18 21:07:34,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35383 states, 26547 states have (on average 1.3146871586243267) internal successors, (34901), 27064 states have internal predecessors, (34901), 6805 states have call successors, (6805), 2037 states have call predecessors, (6805), 2028 states have return successors, (6851), 6745 states have call predecessors, (6851), 6801 states have call successors, (6851) [2022-11-18 21:07:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35383 states to 35383 states and 48557 transitions. [2022-11-18 21:07:34,181 INFO L78 Accepts]: Start accepts. Automaton has 35383 states and 48557 transitions. Word has length 429 [2022-11-18 21:07:34,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:34,181 INFO L495 AbstractCegarLoop]: Abstraction has 35383 states and 48557 transitions. [2022-11-18 21:07:34,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-18 21:07:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 35383 states and 48557 transitions. [2022-11-18 21:07:34,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-11-18 21:07:34,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:34,189 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 13, 12, 12, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:34,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 21:07:34,190 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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)] === [2022-11-18 21:07:34,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:34,190 INFO L85 PathProgramCache]: Analyzing trace with hash -598631961, now seen corresponding path program 1 times [2022-11-18 21:07:34,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:34,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190144179] [2022-11-18 21:07:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:34,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:07:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:07:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:07:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:07:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:07:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:07:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:07:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:07:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:07:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:07:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:07:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:07:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:07:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:07:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:34,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:07:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:07:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:07:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:07:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:07:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:07:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:07:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:07:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:07:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:07:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:07:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:07:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:07:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:07:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:07:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:07:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:07:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:07:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-11-18 21:07:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-18 21:07:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:07:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-18 21:07:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-11-18 21:07:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:07:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:07:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-18 21:07:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-18 21:07:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-11-18 21:07:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-18 21:07:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-11-18 21:07:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-11-18 21:07:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-11-18 21:07:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-11-18 21:07:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2022-11-18 21:07:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-11-18 21:07:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-11-18 21:07:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-11-18 21:07:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3946 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3922 trivial. 0 not checked. [2022-11-18 21:07:35,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:35,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190144179] [2022-11-18 21:07:35,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190144179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:35,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:35,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:07:35,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650095599] [2022-11-18 21:07:35,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:35,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:07:35,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:35,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:07:35,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:07:35,393 INFO L87 Difference]: Start difference. First operand 35383 states and 48557 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 5 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-18 21:07:49,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:49,800 INFO L93 Difference]: Finished difference Result 35629 states and 48887 transitions. [2022-11-18 21:07:49,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:07:49,801 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 5 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 473 [2022-11-18 21:07:49,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:49,936 INFO L225 Difference]: With dead ends: 35629 [2022-11-18 21:07:49,936 INFO L226 Difference]: Without dead ends: 35627 [2022-11-18 21:07:49,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:07:49,948 INFO L413 NwaCegarLoop]: 915 mSDtfsCounter, 4390 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 8119 mSolverCounterSat, 1951 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4524 SdHoareTripleChecker+Valid, 3484 SdHoareTripleChecker+Invalid, 10070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1951 IncrementalHoareTripleChecker+Valid, 8119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:49,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4524 Valid, 3484 Invalid, 10070 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1951 Valid, 8119 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-11-18 21:07:49,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35627 states. [2022-11-18 21:07:54,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35627 to 35387. [2022-11-18 21:07:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35387 states, 26550 states have (on average 1.3146516007532956) internal successors, (34904), 27067 states have internal predecessors, (34904), 6805 states have call successors, (6805), 2038 states have call predecessors, (6805), 2029 states have return successors, (6851), 6745 states have call predecessors, (6851), 6801 states have call successors, (6851) [2022-11-18 21:07:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35387 states to 35387 states and 48560 transitions. [2022-11-18 21:07:54,838 INFO L78 Accepts]: Start accepts. Automaton has 35387 states and 48560 transitions. Word has length 473 [2022-11-18 21:07:54,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:54,838 INFO L495 AbstractCegarLoop]: Abstraction has 35387 states and 48560 transitions. [2022-11-18 21:07:54,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 5 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-18 21:07:54,839 INFO L276 IsEmpty]: Start isEmpty. Operand 35387 states and 48560 transitions. [2022-11-18 21:07:54,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-11-18 21:07:54,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:54,848 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 14, 13, 13, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:54,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 21:07:54,848 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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)] === [2022-11-18 21:07:54,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:54,849 INFO L85 PathProgramCache]: Analyzing trace with hash 779937948, now seen corresponding path program 1 times [2022-11-18 21:07:54,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:54,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048213372] [2022-11-18 21:07:54,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:54,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:07:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:07:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:07:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:07:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:07:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:07:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:07:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:07:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:07:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:07:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:07:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:07:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:07:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:07:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:07:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:07:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:07:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:07:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:07:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:07:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:07:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:07:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:07:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:07:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:07:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:07:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:07:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:07:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:07:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:07:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:07:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:07:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-18 21:07:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-18 21:07:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:07:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 21:07:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-18 21:07:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-11-18 21:07:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-18 21:07:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-11-18 21:07:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-18 21:07:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-11-18 21:07:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-18 21:07:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-11-18 21:07:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-18 21:07:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-11-18 21:07:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:55,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3773 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3747 trivial. 0 not checked. [2022-11-18 21:07:55,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:55,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048213372] [2022-11-18 21:07:55,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048213372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:55,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:55,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:07:55,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473735929] [2022-11-18 21:07:55,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:55,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:07:55,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:55,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:07:55,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:07:55,972 INFO L87 Difference]: Start difference. First operand 35387 states and 48560 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-18 21:08:04,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:08:04,310 INFO L93 Difference]: Finished difference Result 35633 states and 48890 transitions. [2022-11-18 21:08:04,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:08:04,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 438 [2022-11-18 21:08:04,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:08:04,502 INFO L225 Difference]: With dead ends: 35633 [2022-11-18 21:08:04,502 INFO L226 Difference]: Without dead ends: 35629 [2022-11-18 21:08:04,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 21:08:04,514 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3127 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 3681 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 7170 SdHoareTripleChecker+Invalid, 4484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 3681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:08:04,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 7170 Invalid, 4484 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [803 Valid, 3681 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-18 21:08:04,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35629 states. [2022-11-18 21:08:08,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35629 to 35389. [2022-11-18 21:08:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35389 states, 26552 states have (on average 1.314590238023501) internal successors, (34905), 27068 states have internal predecessors, (34905), 6805 states have call successors, (6805), 2039 states have call predecessors, (6805), 2029 states have return successors, (6851), 6745 states have call predecessors, (6851), 6801 states have call successors, (6851) [2022-11-18 21:08:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35389 states to 35389 states and 48561 transitions. [2022-11-18 21:08:08,690 INFO L78 Accepts]: Start accepts. Automaton has 35389 states and 48561 transitions. Word has length 438 [2022-11-18 21:08:08,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:08:08,691 INFO L495 AbstractCegarLoop]: Abstraction has 35389 states and 48561 transitions. [2022-11-18 21:08:08,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-18 21:08:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 35389 states and 48561 transitions. [2022-11-18 21:08:08,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-11-18 21:08:08,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:08:08,708 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 15, 14, 14, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:08:08,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 21:08:08,708 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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)] === [2022-11-18 21:08:08,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:08,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2071149107, now seen corresponding path program 1 times [2022-11-18 21:08:08,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:08,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302545526] [2022-11-18 21:08:08,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:08,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 21:08:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:08,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 21:08:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:08,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:08:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:08,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:08:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:08:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 21:08:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 21:08:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 21:08:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:08:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 21:08:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 21:08:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 21:08:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 21:08:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 21:08:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 21:08:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 21:08:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 21:08:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 21:08:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 21:08:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 21:08:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-18 21:08:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 21:08:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-18 21:08:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-18 21:08:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 21:08:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 21:08:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-18 21:08:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-18 21:08:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-18 21:08:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-11-18 21:08:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-11-18 21:08:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 21:08:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-11-18 21:08:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-18 21:08:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-18 21:08:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-11-18 21:08:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-11-18 21:08:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:08:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:08:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-11-18 21:08:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-11-18 21:08:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-11-18 21:08:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-11-18 21:08:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-11-18 21:08:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-11-18 21:08:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-11-18 21:08:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-11-18 21:08:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-11-18 21:08:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-11-18 21:08:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-11-18 21:08:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-11-18 21:08:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-11-18 21:08:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-11-18 21:08:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 4009 trivial. 0 not checked. [2022-11-18 21:08:09,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:09,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302545526] [2022-11-18 21:08:09,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302545526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:09,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:09,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:08:09,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106652892] [2022-11-18 21:08:09,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:09,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:08:09,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:09,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:08:09,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:08:09,798 INFO L87 Difference]: Start difference. First operand 35389 states and 48561 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54)