./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa --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 ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:40:37,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:40:37,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:40:37,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:40:37,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:40:37,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:40:37,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:40:37,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:40:37,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:40:37,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:40:37,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:40:38,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:40:38,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:40:38,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:40:38,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:40:38,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:40:38,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:40:38,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:40:38,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:40:38,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:40:38,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:40:38,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:40:38,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:40:38,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:40:38,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:40:38,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:40:38,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:40:38,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:40:38,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:40:38,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:40:38,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:40:38,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:40:38,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:40:38,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:40:38,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:40:38,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:40:38,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:40:38,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:40:38,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:40:38,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:40:38,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:40:38,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 21:40:38,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:40:38,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:40:38,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:40:38,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:40:38,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:40:38,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:40:38,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:40:38,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:40:38,060 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:40:38,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:40:38,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:40:38,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:40:38,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:40:38,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:40:38,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:40:38,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:40:38,061 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:40:38,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:40:38,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:40:38,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:40:38,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:40:38,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:40:38,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:40:38,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:40:38,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:40:38,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:40:38,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:40:38,064 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:40:38,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:40:38,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:40:38,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:40:38,064 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_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b [2021-12-06 21:40:38,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:40:38,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:40:38,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:40:38,325 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:40:38,326 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:40:38,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-12-06 21:40:38,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/data/a13927636/fc6e84ab24ec44fcba198c40139e021f/FLAG54c911a0e [2021-12-06 21:40:39,103 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:40:39,104 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-12-06 21:40:39,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/data/a13927636/fc6e84ab24ec44fcba198c40139e021f/FLAG54c911a0e [2021-12-06 21:40:39,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/data/a13927636/fc6e84ab24ec44fcba198c40139e021f [2021-12-06 21:40:39,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:40:39,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:40:39,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:40:39,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:40:39,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:40:39,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:40:39" (1/1) ... [2021-12-06 21:40:39,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cac0aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:39, skipping insertion in model container [2021-12-06 21:40:39,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:40:39" (1/1) ... [2021-12-06 21:40:39,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:40:39,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:40:42,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2021-12-06 21:40:42,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2021-12-06 21:40:42,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2021-12-06 21:40:42,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2021-12-06 21:40:43,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:40:43,114 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:40:43,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2021-12-06 21:40:43,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2021-12-06 21:40:43,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2021-12-06 21:40:43,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2021-12-06 21:40:43,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:40:43,888 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:40:43,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43 WrapperNode [2021-12-06 21:40:43,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:40:43,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:40:43,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:40:43,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:40:43,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43" (1/1) ... [2021-12-06 21:40:43,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43" (1/1) ... [2021-12-06 21:40:44,258 INFO L137 Inliner]: procedures = 487, calls = 6591, calls flagged for inlining = 235, calls inlined = 218, statements flattened = 12096 [2021-12-06 21:40:44,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:40:44,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:40:44,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:40:44,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:40:44,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43" (1/1) ... [2021-12-06 21:40:44,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43" (1/1) ... [2021-12-06 21:40:44,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43" (1/1) ... [2021-12-06 21:40:44,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43" (1/1) ... [2021-12-06 21:40:44,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43" (1/1) ... [2021-12-06 21:40:44,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43" (1/1) ... [2021-12-06 21:40:44,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43" (1/1) ... [2021-12-06 21:40:44,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:40:44,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:40:44,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:40:44,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:40:44,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43" (1/1) ... [2021-12-06 21:40:44,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:40:44,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:40:44,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:40:44,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674db7db-8264-4092-967e-1523ae9c7e5f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:40:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2021-12-06 21:40:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2021-12-06 21:40:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-12-06 21:40:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-12-06 21:40:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE___0 [2021-12-06 21:40:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE___0 [2021-12-06 21:40:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2021-12-06 21:40:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2021-12-06 21:40:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 21:40:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 21:40:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-12-06 21:40:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-12-06 21:40:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 21:40:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 21:40:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-12-06 21:40:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-12-06 21:40:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-12-06 21:40:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-12-06 21:40:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_window [2021-12-06 21:40:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_window [2021-12-06 21:40:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 21:40:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 21:40:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 21:40:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 21:40:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_get [2021-12-06 21:40:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_get [2021-12-06 21:40:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure video_end [2021-12-06 21:40:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure video_end [2021-12-06 21:40:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2021-12-06 21:40:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2021-12-06 21:40:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2021-12-06 21:40:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2021-12-06 21:40:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-12-06 21:40:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-12-06 21:40:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2021-12-06 21:40:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2021-12-06 21:40:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_queue [2021-12-06 21:40:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_queue [2021-12-06 21:40:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure video_close [2021-12-06 21:40:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure video_close [2021-12-06 21:40:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_open [2021-12-06 21:40:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_open [2021-12-06 21:40:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2021-12-06 21:40:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2021-12-06 21:40:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2021-12-06 21:40:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2021-12-06 21:40:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2021-12-06 21:40:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2021-12-06 21:40:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_54 [2021-12-06 21:40:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_54 [2021-12-06 21:40:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 21:40:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 21:40:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-06 21:40:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-06 21:40:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 21:40:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 21:40:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_irq_done [2021-12-06 21:40:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_irq_done [2021-12-06 21:40:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-12-06 21:40:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-12-06 21:40:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-06 21:40:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-06 21:40:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 21:40:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 21:40:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-12-06 21:40:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-12-06 21:40:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 21:40:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 21:40:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-12-06 21:40:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-12-06 21:40:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 21:40:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_overlay [2021-12-06 21:40:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_overlay [2021-12-06 21:40:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2021-12-06 21:40:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2021-12-06 21:40:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_60 [2021-12-06 21:40:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_60 [2021-12-06 21:40:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure video_irq_done [2021-12-06 21:40:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure video_irq_done [2021-12-06 21:40:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-06 21:40:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-06 21:40:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_saa7146_dev [2021-12-06 21:40:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_saa7146_dev [2021-12-06 21:40:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_overlay [2021-12-06 21:40:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_overlay [2021-12-06 21:40:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-12-06 21:40:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-12-06 21:40:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 21:40:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 21:40:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 21:40:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 21:40:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_eliminate [2021-12-06 21:40:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_eliminate [2021-12-06 21:40:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-12-06 21:40:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-12-06 21:40:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 21:40:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2021-12-06 21:40:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2021-12-06 21:40:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 21:40:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 21:40:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 21:40:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure fops_read [2021-12-06 21:40:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_read [2021-12-06 21:40:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 21:40:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 21:40:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure release_all_pagetables [2021-12-06 21:40:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure release_all_pagetables [2021-12-06 21:40:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_finish [2021-12-06 21:40:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_finish [2021-12-06 21:40:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_output_format [2021-12-06 21:40:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_output_format [2021-12-06 21:40:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2021-12-06 21:40:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2021-12-06 21:40:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 21:40:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 21:40:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_stop [2021-12-06 21:40:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_stop [2021-12-06 21:40:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_free [2021-12-06 21:40:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_free [2021-12-06 21:40:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-12-06 21:40:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-12-06 21:40:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fbuf [2021-12-06 21:40:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fbuf [2021-12-06 21:40:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 21:40:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 21:40:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2021-12-06 21:40:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2021-12-06 21:40:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 21:40:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 21:40:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 21:40:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-06 21:40:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-06 21:40:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 21:40:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 21:40:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-06 21:40:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-06 21:40:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-06 21:40:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-06 21:40:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2021-12-06 21:40:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2021-12-06 21:40:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2021-12-06 21:40:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2021-12-06 21:40:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:40:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_s_ctrl [2021-12-06 21:40:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_s_ctrl [2021-12-06 21:40:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 21:40:44,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 21:40:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 21:40:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 21:40:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 21:40:44,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 21:40:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2021-12-06 21:40:44,873 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2021-12-06 21:40:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-12-06 21:40:44,873 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-12-06 21:40:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 21:40:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 21:40:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2021-12-06 21:40:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2021-12-06 21:40:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-06 21:40:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-06 21:40:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-12-06 21:40:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-12-06 21:40:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure video_init [2021-12-06 21:40:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure video_init [2021-12-06 21:40:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_overlay [2021-12-06 21:40:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_overlay [2021-12-06 21:40:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2021-12-06 21:40:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2021-12-06 21:40:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-06 21:40:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-06 21:40:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 21:40:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 21:40:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-12-06 21:40:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-12-06 21:40:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure fops_mmap [2021-12-06 21:40:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_mmap [2021-12-06 21:40:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:40:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:40:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_disable_clipping [2021-12-06 21:40:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_disable_clipping [2021-12-06 21:40:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2021-12-06 21:40:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2021-12-06 21:40:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 21:40:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 21:40:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 21:40:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 21:40:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_stop_preview [2021-12-06 21:40:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_stop_preview [2021-12-06 21:40:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 21:40:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 21:40:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2021-12-06 21:40:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2021-12-06 21:40:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_saa7146_dev [2021-12-06 21:40:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_saa7146_dev [2021-12-06 21:40:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-06 21:40:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-06 21:40:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure video_begin [2021-12-06 21:40:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure video_begin [2021-12-06 21:40:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 21:40:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 21:40:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure fops_open [2021-12-06 21:40:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_open [2021-12-06 21:40:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_init [2021-12-06 21:40:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_init [2021-12-06 21:40:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 21:40:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 21:40:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fbuf [2021-12-06 21:40:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fbuf [2021-12-06 21:40:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-06 21:40:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-06 21:40:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 21:40:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 21:40:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 21:40:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 21:40:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 21:40:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 21:40:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2021-12-06 21:40:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2021-12-06 21:40:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-06 21:40:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-06 21:40:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 21:40:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-12-06 21:40:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-12-06 21:40:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 21:40:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 21:40:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 21:40:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 21:40:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 21:40:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 21:40:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 21:40:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 21:40:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-12-06 21:40:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-12-06 21:40:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 21:40:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 21:40:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-12-06 21:40:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-12-06 21:40:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_start_preview [2021-12-06 21:40:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_start_preview [2021-12-06 21:40:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2021-12-06 21:40:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2021-12-06 21:40:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure fops_release [2021-12-06 21:40:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_release [2021-12-06 21:40:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2021-12-06 21:40:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2021-12-06 21:40:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE___0 [2021-12-06 21:40:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE___0 [2021-12-06 21:40:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 21:40:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 21:40:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_write_out_dma [2021-12-06 21:40:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_write_out_dma [2021-12-06 21:40:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 21:40:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 21:40:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 21:40:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_format_by_fourcc [2021-12-06 21:40:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_format_by_fourcc [2021-12-06 21:40:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_dma_free [2021-12-06 21:40:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_dma_free [2021-12-06 21:40:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_next [2021-12-06 21:40:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_next [2021-12-06 21:40:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure program_capture_engine [2021-12-06 21:40:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure program_capture_engine [2021-12-06 21:40:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_close [2021-12-06 21:40:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_close [2021-12-06 21:40:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 21:40:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 21:40:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2021-12-06 21:40:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2021-12-06 21:40:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 21:40:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 21:40:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 21:40:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 21:40:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure fops_write [2021-12-06 21:40:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_write [2021-12-06 21:40:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_read [2021-12-06 21:40:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_read [2021-12-06 21:40:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 21:40:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 21:40:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure fops_poll [2021-12-06 21:40:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_poll [2021-12-06 21:40:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 21:40:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 21:40:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:40:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 21:40:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-06 21:40:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 21:40:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 21:40:45,848 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:40:45,851 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:40:46,098 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 21:41:52,094 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 21:41:52,169 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:41:52,198 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:41:52,198 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 21:41:52,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:41:52 BoogieIcfgContainer [2021-12-06 21:41:52,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:41:52,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:41:52,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:41:52,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:41:52,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:40:39" (1/3) ... [2021-12-06 21:41:52,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762f54b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:41:52, skipping insertion in model container [2021-12-06 21:41:52,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:40:43" (2/3) ... [2021-12-06 21:41:52,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762f54b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:41:52, skipping insertion in model container [2021-12-06 21:41:52,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:41:52" (3/3) ... [2021-12-06 21:41:52,213 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-12-06 21:41:52,218 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:41:52,218 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-06 21:41:52,267 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:41:52,272 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 21:41:52,272 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-06 21:41:52,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 3314 states, 2383 states have (on average 1.3445237096097356) internal successors, (3204), 2400 states have internal predecessors, (3204), 792 states have call successors, (792), 137 states have call predecessors, (792), 136 states have return successors, (783), 776 states have call predecessors, (783), 783 states have call successors, (783) [2021-12-06 21:41:52,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2021-12-06 21:41:52,359 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:41:52,360 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:41:52,361 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 21:41:52,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:41:52,365 INFO L85 PathProgramCache]: Analyzing trace with hash -942785079, now seen corresponding path program 1 times [2021-12-06 21:41:52,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:41:52,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381500941] [2021-12-06 21:41:52,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:41:52,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:41:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:41:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:41:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:41:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:41:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:41:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:41:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:41:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:41:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:41:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:41:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:41:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:41:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:41:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:41:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:41:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:41:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:41:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:41:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:41:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:41:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:41:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:41:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:41:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:41:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:41:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:41:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:41:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:41:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:41:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:53,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:41:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:41:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:41:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:41:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:41:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:41:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:41:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:41:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:41:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:41:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:41:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:41:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:41:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:41:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:41:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:41:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-06 21:41:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:41:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8256 trivial. 0 not checked. [2021-12-06 21:41:54,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:41:54,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381500941] [2021-12-06 21:41:54,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381500941] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:41:54,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:41:54,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:41:54,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186945723] [2021-12-06 21:41:54,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:41:54,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:41:54,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:41:54,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:41:54,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:41:54,463 INFO L87 Difference]: Start difference. First operand has 3314 states, 2383 states have (on average 1.3445237096097356) internal successors, (3204), 2400 states have internal predecessors, (3204), 792 states have call successors, (792), 137 states have call predecessors, (792), 136 states have return successors, (783), 776 states have call predecessors, (783), 783 states have call successors, (783) Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 21:42:05,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:07,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:08,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:08,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:42:08,726 INFO L93 Difference]: Finished difference Result 9832 states and 14535 transitions. [2021-12-06 21:42:08,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:42:08,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 496 [2021-12-06 21:42:08,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:42:08,806 INFO L225 Difference]: With dead ends: 9832 [2021-12-06 21:42:08,806 INFO L226 Difference]: Without dead ends: 6586 [2021-12-06 21:42:08,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:42:08,846 INFO L933 BasicCegarLoop]: 5250 mSDtfsCounter, 5156 mSDsluCounter, 6904 mSDsCounter, 0 mSdLazyCounter, 2151 mSolverCounterSat, 1906 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5663 SdHoareTripleChecker+Valid, 12154 SdHoareTripleChecker+Invalid, 4059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1906 IncrementalHoareTripleChecker+Valid, 2151 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-12-06 21:42:08,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5663 Valid, 12154 Invalid, 4059 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1906 Valid, 2151 Invalid, 2 Unknown, 0 Unchecked, 13.7s Time] [2021-12-06 21:42:08,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6586 states. [2021-12-06 21:42:09,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6586 to 6398. [2021-12-06 21:42:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6398 states, 4633 states have (on average 1.3349881286423484) internal successors, (6185), 4666 states have internal predecessors, (6185), 1494 states have call successors, (1494), 269 states have call predecessors, (1494), 268 states have return successors, (1490), 1476 states have call predecessors, (1490), 1490 states have call successors, (1490) [2021-12-06 21:42:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6398 states to 6398 states and 9169 transitions. [2021-12-06 21:42:09,414 INFO L78 Accepts]: Start accepts. Automaton has 6398 states and 9169 transitions. Word has length 496 [2021-12-06 21:42:09,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:42:09,421 INFO L470 AbstractCegarLoop]: Abstraction has 6398 states and 9169 transitions. [2021-12-06 21:42:09,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 21:42:09,422 INFO L276 IsEmpty]: Start isEmpty. Operand 6398 states and 9169 transitions. [2021-12-06 21:42:09,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2021-12-06 21:42:09,439 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:42:09,440 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:42:09,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 21:42:09,440 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 21:42:09,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:42:09,441 INFO L85 PathProgramCache]: Analyzing trace with hash -33766770, now seen corresponding path program 1 times [2021-12-06 21:42:09,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:42:09,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558193754] [2021-12-06 21:42:09,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:42:09,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:42:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:09,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:42:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:09,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:42:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:09,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:09,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:42:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:09,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:09,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:42:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:42:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:42:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:42:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:42:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:42:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:42:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:42:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:42:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:42:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:42:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:42:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:42:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:42:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:42:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:42:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:42:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:42:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:42:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:42:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:42:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:42:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:42:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:42:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:42:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:42:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:42:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:42:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:42:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:42:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:42:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:42:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:42:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:42:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:42:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:42:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:42:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:42:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:42:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:42:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:42:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:10,973 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8256 trivial. 0 not checked. [2021-12-06 21:42:10,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:42:10,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558193754] [2021-12-06 21:42:10,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558193754] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:42:10,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:42:10,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:42:10,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103372039] [2021-12-06 21:42:10,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:42:10,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:42:10,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:42:10,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:42:10,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:42:10,978 INFO L87 Difference]: Start difference. First operand 6398 states and 9169 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-06 21:42:21,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:23,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:25,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:25,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:42:25,605 INFO L93 Difference]: Finished difference Result 19286 states and 27860 transitions. [2021-12-06 21:42:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:42:25,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (47), 3 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 502 [2021-12-06 21:42:25,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:42:25,688 INFO L225 Difference]: With dead ends: 19286 [2021-12-06 21:42:25,688 INFO L226 Difference]: Without dead ends: 12979 [2021-12-06 21:42:25,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:42:25,716 INFO L933 BasicCegarLoop]: 5261 mSDtfsCounter, 5191 mSDsluCounter, 6986 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 1934 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5699 SdHoareTripleChecker+Valid, 12247 SdHoareTripleChecker+Invalid, 4013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1934 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:42:25,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5699 Valid, 12247 Invalid, 4013 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1934 Valid, 2076 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2021-12-06 21:42:25,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12979 states. [2021-12-06 21:42:26,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12979 to 12753. [2021-12-06 21:42:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12753 states, 9259 states have (on average 1.3344853655902364) internal successors, (12356), 9335 states have internal predecessors, (12356), 2927 states have call successors, (2927), 535 states have call predecessors, (2927), 564 states have return successors, (3198), 2906 states have call predecessors, (3198), 2923 states have call successors, (3198) [2021-12-06 21:42:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12753 states to 12753 states and 18481 transitions. [2021-12-06 21:42:26,464 INFO L78 Accepts]: Start accepts. Automaton has 12753 states and 18481 transitions. Word has length 502 [2021-12-06 21:42:26,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:42:26,466 INFO L470 AbstractCegarLoop]: Abstraction has 12753 states and 18481 transitions. [2021-12-06 21:42:26,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-12-06 21:42:26,466 INFO L276 IsEmpty]: Start isEmpty. Operand 12753 states and 18481 transitions. [2021-12-06 21:42:26,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-12-06 21:42:26,483 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:42:26,484 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:42:26,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 21:42:26,484 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 21:42:26,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:42:26,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1719695328, now seen corresponding path program 1 times [2021-12-06 21:42:26,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:42:26,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009531973] [2021-12-06 21:42:26,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:42:26,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:42:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:42:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:42:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:42:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:42:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:42:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:42:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:42:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:42:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:42:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:42:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:42:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:42:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:42:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:42:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:42:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:42:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:42:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:42:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:42:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:42:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:42:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:42:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:42:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:42:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:42:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:42:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:42:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:42:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:42:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:42:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:42:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:42:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:42:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:42:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:42:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:42:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:42:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:42:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:42:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:42:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:42:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:42:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:42:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:42:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-06 21:42:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8256 trivial. 0 not checked. [2021-12-06 21:42:28,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:42:28,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009531973] [2021-12-06 21:42:28,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009531973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:42:28,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:42:28,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:42:28,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400505685] [2021-12-06 21:42:28,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:42:28,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:42:28,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:42:28,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:42:28,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:42:28,011 INFO L87 Difference]: Start difference. First operand 12753 states and 18481 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 21:42:37,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:39,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:41,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:42:41,994 INFO L93 Difference]: Finished difference Result 31620 states and 45726 transitions. [2021-12-06 21:42:41,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:42:41,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 513 [2021-12-06 21:42:41,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:42:42,124 INFO L225 Difference]: With dead ends: 31620 [2021-12-06 21:42:42,124 INFO L226 Difference]: Without dead ends: 18958 [2021-12-06 21:42:42,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:42:42,201 INFO L933 BasicCegarLoop]: 5211 mSDtfsCounter, 5027 mSDsluCounter, 6858 mSDsCounter, 0 mSdLazyCounter, 2143 mSolverCounterSat, 1881 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5532 SdHoareTripleChecker+Valid, 12069 SdHoareTripleChecker+Invalid, 4027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1881 IncrementalHoareTripleChecker+Valid, 2143 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-06 21:42:42,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5532 Valid, 12069 Invalid, 4027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1881 Valid, 2143 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2021-12-06 21:42:42,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18958 states. [2021-12-06 21:42:43,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18958 to 18647. [2021-12-06 21:42:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18647 states, 13614 states have (on average 1.3350962244748052) internal successors, (18176), 13727 states have internal predecessors, (18176), 4183 states have call successors, (4183), 803 states have call predecessors, (4183), 847 states have return successors, (4546), 4148 states have call predecessors, (4546), 4179 states have call successors, (4546) [2021-12-06 21:42:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18647 states to 18647 states and 26905 transitions. [2021-12-06 21:42:43,201 INFO L78 Accepts]: Start accepts. Automaton has 18647 states and 26905 transitions. Word has length 513 [2021-12-06 21:42:43,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:42:43,202 INFO L470 AbstractCegarLoop]: Abstraction has 18647 states and 26905 transitions. [2021-12-06 21:42:43,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 21:42:43,203 INFO L276 IsEmpty]: Start isEmpty. Operand 18647 states and 26905 transitions. [2021-12-06 21:42:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2021-12-06 21:42:43,209 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:42:43,209 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:42:43,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 21:42:43,210 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 21:42:43,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:42:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash 561527337, now seen corresponding path program 1 times [2021-12-06 21:42:43,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:42:43,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712708349] [2021-12-06 21:42:43,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:42:43,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:42:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:42:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:42:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:42:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:42:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:42:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:42:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:42:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:42:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:42:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:42:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:42:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:42:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:42:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:42:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:42:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:42:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:42:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:42:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:42:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:42:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:42:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:42:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:42:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:42:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:42:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:42:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:42:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:42:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:42:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:42:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:42:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:42:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:43,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:42:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:42:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:42:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:42:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:42:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:42:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:42:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:42:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:42:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:42:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:42:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:42:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:42:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-12-06 21:42:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:42:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8256 trivial. 0 not checked. [2021-12-06 21:42:44,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:42:44,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712708349] [2021-12-06 21:42:44,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712708349] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:42:44,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:42:44,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:42:44,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239653485] [2021-12-06 21:42:44,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:42:44,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:42:44,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:42:44,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:42:44,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:42:44,209 INFO L87 Difference]: Start difference. First operand 18647 states and 26905 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 21:42:53,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:55,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:58,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:42:58,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:42:58,345 INFO L93 Difference]: Finished difference Result 48556 states and 69932 transitions. [2021-12-06 21:42:58,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:42:58,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 519 [2021-12-06 21:42:58,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:42:58,461 INFO L225 Difference]: With dead ends: 48556 [2021-12-06 21:42:58,461 INFO L226 Difference]: Without dead ends: 30000 [2021-12-06 21:42:58,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:42:58,512 INFO L933 BasicCegarLoop]: 5918 mSDtfsCounter, 4881 mSDsluCounter, 7247 mSDsCounter, 0 mSdLazyCounter, 2191 mSolverCounterSat, 1714 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5390 SdHoareTripleChecker+Valid, 13165 SdHoareTripleChecker+Invalid, 3908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1714 IncrementalHoareTripleChecker+Valid, 2191 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-06 21:42:58,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5390 Valid, 13165 Invalid, 3908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1714 Valid, 2191 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2021-12-06 21:42:58,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30000 states. [2021-12-06 21:42:59,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30000 to 29487. [2021-12-06 21:42:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29487 states, 21622 states have (on average 1.3368791046156692) internal successors, (28906), 21803 states have internal predecessors, (28906), 6497 states have call successors, (6497), 1299 states have call predecessors, (6497), 1365 states have return successors, (6970), 6432 states have call predecessors, (6970), 6493 states have call successors, (6970) [2021-12-06 21:42:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29487 states to 29487 states and 42373 transitions. [2021-12-06 21:42:59,755 INFO L78 Accepts]: Start accepts. Automaton has 29487 states and 42373 transitions. Word has length 519 [2021-12-06 21:42:59,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:42:59,756 INFO L470 AbstractCegarLoop]: Abstraction has 29487 states and 42373 transitions. [2021-12-06 21:42:59,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-06 21:42:59,757 INFO L276 IsEmpty]: Start isEmpty. Operand 29487 states and 42373 transitions. [2021-12-06 21:42:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2021-12-06 21:42:59,768 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:42:59,769 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 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] [2021-12-06 21:42:59,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 21:42:59,769 INFO L402 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)] === [2021-12-06 21:42:59,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:42:59,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1500810277, now seen corresponding path program 1 times [2021-12-06 21:42:59,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:42:59,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980893032] [2021-12-06 21:42:59,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:42:59,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:42:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:43:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:43:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:43:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:43:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:43:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:43:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:43:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:43:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:43:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:43:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:43:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:43:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:43:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:43:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:43:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:43:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:43:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:43:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:43:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:43:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:43:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:43:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:43:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:43:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:43:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:43:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:43:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:43:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:43:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:43:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:43:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:43:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:43:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:43:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:43:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:43:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:43:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:43:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:43:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:43:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:43:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:43:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:43:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:43:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 21:43:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 21:43:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 21:43:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-06 21:43:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 8528 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8523 trivial. 0 not checked. [2021-12-06 21:43:00,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:43:00,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980893032] [2021-12-06 21:43:00,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980893032] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:43:00,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:43:00,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:43:00,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789764840] [2021-12-06 21:43:00,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:43:00,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:43:00,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:43:00,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:43:00,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:43:00,818 INFO L87 Difference]: Start difference. First operand 29487 states and 42373 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-06 21:43:10,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:12,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:14,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:15,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:43:15,317 INFO L93 Difference]: Finished difference Result 78066 states and 112360 transitions. [2021-12-06 21:43:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:43:15,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 540 [2021-12-06 21:43:15,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:43:15,515 INFO L225 Difference]: With dead ends: 78066 [2021-12-06 21:43:15,515 INFO L226 Difference]: Without dead ends: 53936 [2021-12-06 21:43:15,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:43:15,586 INFO L933 BasicCegarLoop]: 8912 mSDtfsCounter, 4512 mSDsluCounter, 9166 mSDsCounter, 0 mSdLazyCounter, 2363 mSolverCounterSat, 1176 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5024 SdHoareTripleChecker+Valid, 18078 SdHoareTripleChecker+Invalid, 3542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1176 IncrementalHoareTripleChecker+Valid, 2363 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:43:15,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5024 Valid, 18078 Invalid, 3542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1176 Valid, 2363 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2021-12-06 21:43:15,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53936 states. [2021-12-06 21:43:17,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53936 to 53077. [2021-12-06 21:43:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53077 states, 38928 states have (on average 1.33667283189478) internal successors, (52034), 39238 states have internal predecessors, (52034), 11689 states have call successors, (11689), 2335 states have call predecessors, (11689), 2457 states have return successors, (12541), 11591 states have call predecessors, (12541), 11685 states have call successors, (12541) [2021-12-06 21:43:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53077 states to 53077 states and 76264 transitions. [2021-12-06 21:43:17,324 INFO L78 Accepts]: Start accepts. Automaton has 53077 states and 76264 transitions. Word has length 540 [2021-12-06 21:43:17,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:43:17,324 INFO L470 AbstractCegarLoop]: Abstraction has 53077 states and 76264 transitions. [2021-12-06 21:43:17,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-06 21:43:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 53077 states and 76264 transitions. [2021-12-06 21:43:17,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2021-12-06 21:43:17,332 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:43:17,332 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 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] [2021-12-06 21:43:17,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 21:43:17,333 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 21:43:17,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:43:17,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1976508569, now seen corresponding path program 1 times [2021-12-06 21:43:17,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:43:17,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279808768] [2021-12-06 21:43:17,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:43:17,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:43:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:43:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:43:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:43:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:43:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:43:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:43:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:43:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:43:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:43:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:43:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:43:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:43:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:43:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:43:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:43:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:43:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:43:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:43:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:43:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:43:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:43:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:43:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:43:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:43:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:43:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:43:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:43:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:43:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:43:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:43:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:43:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:43:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:43:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:43:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:43:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:43:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:43:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:43:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:43:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:43:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:43:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:43:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:43:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:43:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 21:43:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 21:43:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 21:43:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-06 21:43:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 8528 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8523 trivial. 0 not checked. [2021-12-06 21:43:18,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:43:18,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279808768] [2021-12-06 21:43:18,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279808768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:43:18,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:43:18,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:43:18,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101725217] [2021-12-06 21:43:18,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:43:18,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:43:18,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:43:18,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:43:18,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:43:18,335 INFO L87 Difference]: Start difference. First operand 53077 states and 76264 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-06 21:43:28,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:30,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:32,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:33,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:43:33,327 INFO L93 Difference]: Finished difference Result 125535 states and 180604 transitions. [2021-12-06 21:43:33,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:43:33,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 540 [2021-12-06 21:43:33,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:43:33,687 INFO L225 Difference]: With dead ends: 125535 [2021-12-06 21:43:33,687 INFO L226 Difference]: Without dead ends: 77815 [2021-12-06 21:43:33,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:43:33,832 INFO L933 BasicCegarLoop]: 8902 mSDtfsCounter, 4488 mSDsluCounter, 9163 mSDsCounter, 0 mSdLazyCounter, 2375 mSolverCounterSat, 1207 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4998 SdHoareTripleChecker+Valid, 18065 SdHoareTripleChecker+Invalid, 3585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1207 IncrementalHoareTripleChecker+Valid, 2375 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-06 21:43:33,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4998 Valid, 18065 Invalid, 3585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1207 Valid, 2375 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2021-12-06 21:43:33,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77815 states. [2021-12-06 21:43:35,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77815 to 76523. [2021-12-06 21:43:36,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76523 states, 56098 states have (on average 1.3361260651003601) internal successors, (74954), 56537 states have internal predecessors, (74954), 16881 states have call successors, (16881), 3363 states have call predecessors, (16881), 3541 states have return successors, (18112), 16750 states have call predecessors, (18112), 16877 states have call successors, (18112) [2021-12-06 21:43:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76523 states to 76523 states and 109947 transitions. [2021-12-06 21:43:36,412 INFO L78 Accepts]: Start accepts. Automaton has 76523 states and 109947 transitions. Word has length 540 [2021-12-06 21:43:36,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:43:36,413 INFO L470 AbstractCegarLoop]: Abstraction has 76523 states and 109947 transitions. [2021-12-06 21:43:36,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-06 21:43:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 76523 states and 109947 transitions. [2021-12-06 21:43:36,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-12-06 21:43:36,422 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:43:36,422 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:43:36,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 21:43:36,423 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 21:43:36,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:43:36,423 INFO L85 PathProgramCache]: Analyzing trace with hash -294051151, now seen corresponding path program 1 times [2021-12-06 21:43:36,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:43:36,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121084989] [2021-12-06 21:43:36,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:43:36,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:43:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:43:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:43:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:43:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:43:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:43:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:43:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:43:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:43:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:43:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:43:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:43:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:43:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:43:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:43:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:43:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:43:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:43:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:43:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:43:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:43:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:43:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:43:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:43:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:43:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:43:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:43:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:43:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:43:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:43:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:43:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:43:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:43:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:43:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:43:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:43:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:43:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:43:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:43:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:43:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:43:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:43:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:43:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:43:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:43:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:43:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-06 21:43:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 21:43:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 21:43:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-12-06 21:43:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:43:37,889 INFO L134 CoverageAnalysis]: Checked inductivity of 8259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8259 trivial. 0 not checked. [2021-12-06 21:43:37,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:43:37,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121084989] [2021-12-06 21:43:37,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121084989] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:43:37,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:43:37,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:43:37,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896810515] [2021-12-06 21:43:37,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:43:37,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 21:43:37,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:43:37,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:43:37,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:43:37,893 INFO L87 Difference]: Start difference. First operand 76523 states and 109947 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 21:43:39,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:47,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:54,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:43:57,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:01,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:03,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:06,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:10,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:13,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 21:44:18,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:20,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:21,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:24,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:26,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:29,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:31,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:44:31,682 INFO L93 Difference]: Finished difference Result 223816 states and 321692 transitions. [2021-12-06 21:44:31,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:44:31,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 547 [2021-12-06 21:44:31,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:44:32,353 INFO L225 Difference]: With dead ends: 223816 [2021-12-06 21:44:32,353 INFO L226 Difference]: Without dead ends: 147384 [2021-12-06 21:44:32,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:44:32,561 INFO L933 BasicCegarLoop]: 5517 mSDtfsCounter, 4874 mSDsluCounter, 9401 mSDsCounter, 0 mSdLazyCounter, 4264 mSolverCounterSat, 1916 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5388 SdHoareTripleChecker+Valid, 14918 SdHoareTripleChecker+Invalid, 6189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1916 IncrementalHoareTripleChecker+Valid, 4264 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.8s IncrementalHoareTripleChecker+Time [2021-12-06 21:44:32,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5388 Valid, 14918 Invalid, 6189 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1916 Valid, 4264 Invalid, 9 Unknown, 0 Unchecked, 50.8s Time] [2021-12-06 21:44:32,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147384 states. [2021-12-06 21:44:37,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147384 to 143149. [2021-12-06 21:44:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143149 states, 104628 states have (on average 1.3327216423901824) internal successors, (139440), 105464 states have internal predecessors, (139440), 31805 states have call successors, (31805), 6367 states have call predecessors, (31805), 6713 states have return successors, (34160), 31539 states have call predecessors, (34160), 31801 states have call successors, (34160) [2021-12-06 21:44:37,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143149 states to 143149 states and 205405 transitions. [2021-12-06 21:44:37,857 INFO L78 Accepts]: Start accepts. Automaton has 143149 states and 205405 transitions. Word has length 547 [2021-12-06 21:44:37,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:44:37,858 INFO L470 AbstractCegarLoop]: Abstraction has 143149 states and 205405 transitions. [2021-12-06 21:44:37,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 21:44:37,858 INFO L276 IsEmpty]: Start isEmpty. Operand 143149 states and 205405 transitions. [2021-12-06 21:44:37,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2021-12-06 21:44:37,875 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:44:37,875 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:44:37,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 21:44:37,876 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 21:44:37,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:44:37,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1019209098, now seen corresponding path program 1 times [2021-12-06 21:44:37,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:44:37,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96275485] [2021-12-06 21:44:37,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:44:37,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:44:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:44:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:44:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:44:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:44:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:44:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:44:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:38,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:44:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:44:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:44:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:44:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:44:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:44:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:44:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:44:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:44:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:44:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:44:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:44:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:44:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:44:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:44:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:44:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:44:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:44:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:44:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:44:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:44:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:44:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:44:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:44:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:44:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:44:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:44:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:44:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:44:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:44:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:44:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:44:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:44:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:44:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:44:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:44:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:44:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:44:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 21:44:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:44:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 21:44:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 21:44:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-06 21:44:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:44:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8545 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8545 trivial. 0 not checked. [2021-12-06 21:44:39,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:44:39,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96275485] [2021-12-06 21:44:39,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96275485] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:44:39,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:44:39,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:44:39,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198805893] [2021-12-06 21:44:39,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:44:39,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:44:39,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:44:39,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:44:39,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:44:39,917 INFO L87 Difference]: Start difference. First operand 143149 states and 205405 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-06 21:44:41,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:53,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:55,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:57,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:44:59,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:01,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:03,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:04,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:45:04,230 INFO L93 Difference]: Finished difference Result 145522 states and 209033 transitions. [2021-12-06 21:45:04,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:45:04,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 553 [2021-12-06 21:45:04,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:45:04,710 INFO L225 Difference]: With dead ends: 145522 [2021-12-06 21:45:04,710 INFO L226 Difference]: Without dead ends: 145520 [2021-12-06 21:45:04,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 21:45:04,760 INFO L933 BasicCegarLoop]: 4554 mSDtfsCounter, 4631 mSDsluCounter, 10839 mSDsCounter, 0 mSdLazyCounter, 2131 mSolverCounterSat, 1178 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5052 SdHoareTripleChecker+Valid, 15393 SdHoareTripleChecker+Invalid, 3315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1178 IncrementalHoareTripleChecker+Valid, 2131 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:45:04,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5052 Valid, 15393 Invalid, 3315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1178 Valid, 2131 Invalid, 6 Unknown, 0 Unchecked, 21.2s Time] [2021-12-06 21:45:04,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145520 states. [2021-12-06 21:45:09,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145520 to 143153. [2021-12-06 21:45:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143153 states, 104631 states have (on average 1.3327121025317545) internal successors, (139443), 105467 states have internal predecessors, (139443), 31805 states have call successors, (31805), 6368 states have call predecessors, (31805), 6714 states have return successors, (34160), 31539 states have call predecessors, (34160), 31801 states have call successors, (34160) [2021-12-06 21:45:10,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143153 states to 143153 states and 205408 transitions. [2021-12-06 21:45:10,273 INFO L78 Accepts]: Start accepts. Automaton has 143153 states and 205408 transitions. Word has length 553 [2021-12-06 21:45:10,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:45:10,273 INFO L470 AbstractCegarLoop]: Abstraction has 143153 states and 205408 transitions. [2021-12-06 21:45:10,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-06 21:45:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 143153 states and 205408 transitions. [2021-12-06 21:45:10,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-12-06 21:45:10,282 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:45:10,282 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:45:10,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 21:45:10,283 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 21:45:10,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:45:10,283 INFO L85 PathProgramCache]: Analyzing trace with hash 767993003, now seen corresponding path program 1 times [2021-12-06 21:45:10,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:45:10,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790276627] [2021-12-06 21:45:10,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:45:10,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:45:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:45:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:45:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:45:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:45:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:45:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:45:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:45:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:45:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:45:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:45:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:45:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:45:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:45:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:45:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:45:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:45:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:45:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:45:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:45:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:45:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:45:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:45:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:45:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:45:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:45:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:45:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:45:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:45:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:45:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:45:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:45:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:45:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:45:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:45:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:45:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:45:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:45:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:45:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:45:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:45:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:45:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:45:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:45:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:45:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-12-06 21:45:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-12-06 21:45:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8256 trivial. 0 not checked. [2021-12-06 21:45:11,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:45:11,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790276627] [2021-12-06 21:45:11,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790276627] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:45:11,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:45:11,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:45:11,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307439834] [2021-12-06 21:45:11,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:45:11,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 21:45:11,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:45:11,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:45:11,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:45:11,248 INFO L87 Difference]: Start difference. First operand 143153 states and 205408 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-06 21:45:14,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:15,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:36,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:38,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:40,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:42,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:45:43,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:45:43,745 INFO L93 Difference]: Finished difference Result 415252 states and 595313 transitions. [2021-12-06 21:45:43,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:45:43,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 548 [2021-12-06 21:45:43,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:45:44,874 INFO L225 Difference]: With dead ends: 415252 [2021-12-06 21:45:44,874 INFO L226 Difference]: Without dead ends: 272190 [2021-12-06 21:45:45,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:45:45,336 INFO L933 BasicCegarLoop]: 5391 mSDtfsCounter, 5768 mSDsluCounter, 7002 mSDsCounter, 0 mSdLazyCounter, 2484 mSolverCounterSat, 3485 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6263 SdHoareTripleChecker+Valid, 12393 SdHoareTripleChecker+Invalid, 5973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3485 IncrementalHoareTripleChecker+Valid, 2484 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2021-12-06 21:45:45,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6263 Valid, 12393 Invalid, 5973 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3485 Valid, 2484 Invalid, 4 Unknown, 0 Unchecked, 26.3s Time] [2021-12-06 21:45:45,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272190 states. [2021-12-06 21:45:54,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272190 to 263987. [2021-12-06 21:45:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263987 states, 192271 states have (on average 1.3305958776934639) internal successors, (255835), 193945 states have internal predecessors, (255835), 58643 states have call successors, (58643), 12388 states have call predecessors, (58643), 13070 states have return successors, (63135), 58091 states have call predecessors, (63135), 58639 states have call successors, (63135) [2021-12-06 21:45:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263987 states to 263987 states and 377613 transitions. [2021-12-06 21:45:55,704 INFO L78 Accepts]: Start accepts. Automaton has 263987 states and 377613 transitions. Word has length 548 [2021-12-06 21:45:55,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:45:55,705 INFO L470 AbstractCegarLoop]: Abstraction has 263987 states and 377613 transitions. [2021-12-06 21:45:55,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-06 21:45:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand 263987 states and 377613 transitions. [2021-12-06 21:45:55,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2021-12-06 21:45:55,711 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:45:55,712 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:45:55,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 21:45:55,712 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 21:45:55,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:45:55,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1178788772, now seen corresponding path program 1 times [2021-12-06 21:45:55,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:45:55,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529536609] [2021-12-06 21:45:55,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:45:55,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:45:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:45:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:45:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:45:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:45:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:45:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:45:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:45:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:45:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:45:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:45:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:45:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:45:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:45:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:45:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:45:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:45:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:45:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:45:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:45:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:45:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:45:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:45:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:45:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:45:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:45:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:45:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:45:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:45:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:45:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:45:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:45:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:45:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:45:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:45:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:45:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:45:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:45:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:45:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:45:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:45:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:45:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:45:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:45:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:45:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 21:45:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:45:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 21:45:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 21:45:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-06 21:45:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 21:45:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:45:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 8547 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8545 trivial. 0 not checked. [2021-12-06 21:45:57,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:45:57,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529536609] [2021-12-06 21:45:57,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529536609] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:45:57,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:45:57,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:45:57,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14169258] [2021-12-06 21:45:57,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:45:57,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:45:57,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:45:57,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:45:57,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:45:57,135 INFO L87 Difference]: Start difference. First operand 263987 states and 377613 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-12-06 21:46:11,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:13,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:15,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:17,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:19,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:21,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:22,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:46:22,229 INFO L93 Difference]: Finished difference Result 268628 states and 384696 transitions. [2021-12-06 21:46:22,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:46:22,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 558 [2021-12-06 21:46:22,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:46:23,266 INFO L225 Difference]: With dead ends: 268628 [2021-12-06 21:46:23,266 INFO L226 Difference]: Without dead ends: 268626 [2021-12-06 21:46:23,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 21:46:23,349 INFO L933 BasicCegarLoop]: 4584 mSDtfsCounter, 4601 mSDsluCounter, 10894 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 1166 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5021 SdHoareTripleChecker+Valid, 15478 SdHoareTripleChecker+Invalid, 3312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1166 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2021-12-06 21:46:23,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5021 Valid, 15478 Invalid, 3312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1166 Valid, 2140 Invalid, 6 Unknown, 0 Unchecked, 19.8s Time] [2021-12-06 21:46:23,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268626 states. [2021-12-06 21:46:32,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268626 to 263991. [2021-12-06 21:46:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263991 states, 192274 states have (on average 1.3305907194940554) internal successors, (255838), 193948 states have internal predecessors, (255838), 58643 states have call successors, (58643), 12389 states have call predecessors, (58643), 13071 states have return successors, (63135), 58091 states have call predecessors, (63135), 58639 states have call successors, (63135) [2021-12-06 21:46:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263991 states to 263991 states and 377616 transitions. [2021-12-06 21:46:34,182 INFO L78 Accepts]: Start accepts. Automaton has 263991 states and 377616 transitions. Word has length 558 [2021-12-06 21:46:34,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:46:34,183 INFO L470 AbstractCegarLoop]: Abstraction has 263991 states and 377616 transitions. [2021-12-06 21:46:34,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-12-06 21:46:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 263991 states and 377616 transitions. [2021-12-06 21:46:34,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2021-12-06 21:46:34,189 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:46:34,190 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:46:34,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 21:46:34,190 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 21:46:34,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:46:34,190 INFO L85 PathProgramCache]: Analyzing trace with hash 2036972938, now seen corresponding path program 1 times [2021-12-06 21:46:34,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:46:34,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882881635] [2021-12-06 21:46:34,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:46:34,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:46:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:46:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:46:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:46:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:46:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:46:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:46:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:46:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:46:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:46:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:46:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:46:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:46:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:46:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:46:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:46:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:46:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:46:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:46:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:46:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:34,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:46:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:46:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:46:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:46:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:46:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:46:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:46:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:46:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:46:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:46:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:46:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:46:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:46:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:46:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:46:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:46:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:46:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:46:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:46:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:46:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:46:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:46:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:46:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:46:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:46:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 21:46:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:46:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 21:46:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 21:46:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-06 21:46:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 21:46:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 21:46:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:46:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8553 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8549 trivial. 0 not checked. [2021-12-06 21:46:35,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:46:35,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882881635] [2021-12-06 21:46:35,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882881635] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:46:35,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:46:35,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:46:35,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294108390] [2021-12-06 21:46:35,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:46:35,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:46:35,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:46:35,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:46:35,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:46:35,407 INFO L87 Difference]: Start difference. First operand 263991 states and 377616 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-06 21:46:38,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:50,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:52,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:54,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:56,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:46:59,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:47:01,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:47:01,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:47:01,937 INFO L93 Difference]: Finished difference Result 270300 states and 385974 transitions. [2021-12-06 21:47:01,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 21:47:01,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (53), 4 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 563 [2021-12-06 21:47:01,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:47:02,987 INFO L225 Difference]: With dead ends: 270300 [2021-12-06 21:47:02,987 INFO L226 Difference]: Without dead ends: 270298 [2021-12-06 21:47:03,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 21:47:03,067 INFO L933 BasicCegarLoop]: 4578 mSDtfsCounter, 4603 mSDsluCounter, 10902 mSDsCounter, 0 mSdLazyCounter, 2141 mSolverCounterSat, 1159 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5012 SdHoareTripleChecker+Valid, 15480 SdHoareTripleChecker+Invalid, 3306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1159 IncrementalHoareTripleChecker+Valid, 2141 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:47:03,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5012 Valid, 15480 Invalid, 3306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1159 Valid, 2141 Invalid, 6 Unknown, 0 Unchecked, 21.1s Time] [2021-12-06 21:47:03,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270298 states. [2021-12-06 21:47:12,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270298 to 265661. [2021-12-06 21:47:12,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265661 states, 193453 states have (on average 1.3290825161667175) internal successors, (257115), 195127 states have internal predecessors, (257115), 58643 states have call successors, (58643), 12880 states have call predecessors, (58643), 13562 states have return successors, (63135), 58091 states have call predecessors, (63135), 58639 states have call successors, (63135) [2021-12-06 21:47:14,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265661 states to 265661 states and 378893 transitions. [2021-12-06 21:47:14,193 INFO L78 Accepts]: Start accepts. Automaton has 265661 states and 378893 transitions. Word has length 563 [2021-12-06 21:47:14,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:47:14,194 INFO L470 AbstractCegarLoop]: Abstraction has 265661 states and 378893 transitions. [2021-12-06 21:47:14,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-06 21:47:14,194 INFO L276 IsEmpty]: Start isEmpty. Operand 265661 states and 378893 transitions. [2021-12-06 21:47:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2021-12-06 21:47:14,202 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:47:14,202 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:47:14,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 21:47:14,202 INFO L402 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)] === [2021-12-06 21:47:14,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:47:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash 574241572, now seen corresponding path program 1 times [2021-12-06 21:47:14,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:47:14,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476294487] [2021-12-06 21:47:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:47:14,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:47:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:47:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:47:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:47:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:47:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:47:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:47:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:47:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:47:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:47:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:47:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:47:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:47:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:47:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:14,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:47:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:47:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:47:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:47:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:47:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:47:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:47:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:47:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:47:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:47:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:47:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:47:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:47:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:47:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:47:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:47:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:47:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:47:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:47:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:47:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:47:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:47:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:47:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:47:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:47:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:47:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:47:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:47:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:47:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:47:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:47:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 21:47:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 21:47:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 21:47:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-06 21:47:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 21:47:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 21:47:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-06 21:47:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 8563 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8557 trivial. 0 not checked. [2021-12-06 21:47:15,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:47:15,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476294487] [2021-12-06 21:47:15,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476294487] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:47:15,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:47:15,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:47:15,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867084928] [2021-12-06 21:47:15,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:47:15,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:47:15,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:47:15,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:47:15,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:47:15,786 INFO L87 Difference]: Start difference. First operand 265661 states and 378893 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 21:47:31,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:47:33,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:47:36,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:47:38,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:47:40,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:47:42,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:47:43,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:47:43,239 INFO L93 Difference]: Finished difference Result 270302 states and 385976 transitions. [2021-12-06 21:47:43,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:47:43,239 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 568 [2021-12-06 21:47:43,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:47:44,349 INFO L225 Difference]: With dead ends: 270302 [2021-12-06 21:47:44,349 INFO L226 Difference]: Without dead ends: 270300 [2021-12-06 21:47:44,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 21:47:44,430 INFO L933 BasicCegarLoop]: 4587 mSDtfsCounter, 4599 mSDsluCounter, 10900 mSDsCounter, 0 mSdLazyCounter, 2137 mSolverCounterSat, 1163 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5019 SdHoareTripleChecker+Valid, 15487 SdHoareTripleChecker+Invalid, 3306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1163 IncrementalHoareTripleChecker+Valid, 2137 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:47:44,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5019 Valid, 15487 Invalid, 3306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1163 Valid, 2137 Invalid, 6 Unknown, 0 Unchecked, 21.4s Time] [2021-12-06 21:47:44,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270300 states. [2021-12-06 21:47:54,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270300 to 265665. [2021-12-06 21:47:54,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265665 states, 193456 states have (on average 1.3290774129517824) internal successors, (257118), 195130 states have internal predecessors, (257118), 58643 states have call successors, (58643), 12881 states have call predecessors, (58643), 13563 states have return successors, (63135), 58091 states have call predecessors, (63135), 58639 states have call successors, (63135) [2021-12-06 21:47:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265665 states to 265665 states and 378896 transitions. [2021-12-06 21:47:55,706 INFO L78 Accepts]: Start accepts. Automaton has 265665 states and 378896 transitions. Word has length 568 [2021-12-06 21:47:55,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:47:55,706 INFO L470 AbstractCegarLoop]: Abstraction has 265665 states and 378896 transitions. [2021-12-06 21:47:55,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 21:47:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 265665 states and 378896 transitions. [2021-12-06 21:47:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2021-12-06 21:47:55,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:47:55,714 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:47:55,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 21:47:55,714 INFO L402 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)] === [2021-12-06 21:47:55,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:47:55,715 INFO L85 PathProgramCache]: Analyzing trace with hash -803781238, now seen corresponding path program 1 times [2021-12-06 21:47:55,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:47:55,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084542375] [2021-12-06 21:47:55,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:47:55,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:47:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:47:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:47:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:47:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:47:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:47:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:47:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:47:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:47:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:47:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:47:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:47:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:47:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:47:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:47:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:47:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:47:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:47:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:47:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:47:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:47:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:47:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:47:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:47:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:47:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:47:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:47:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:47:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:47:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:47:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:47:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:47:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:47:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:47:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:47:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:47:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:47:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:47:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:47:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:47:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:47:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:47:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:47:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:47:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:47:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 21:47:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:47:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 21:47:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 21:47:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-06 21:47:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 21:47:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 21:47:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-06 21:47:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-06 21:47:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:47:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 8577 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8569 trivial. 0 not checked. [2021-12-06 21:47:56,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:47:56,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084542375] [2021-12-06 21:47:56,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084542375] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:47:56,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:47:56,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:47:56,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960145732] [2021-12-06 21:47:56,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:47:56,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:47:56,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:47:56,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:47:56,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:47:56,714 INFO L87 Difference]: Start difference. First operand 265665 states and 378896 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-12-06 21:48:12,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:48:14,526 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:48:16,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:48:18,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:48:20,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:48:22,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:48:23,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:48:23,744 INFO L93 Difference]: Finished difference Result 270306 states and 385979 transitions. [2021-12-06 21:48:23,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:48:23,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 573 [2021-12-06 21:48:23,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:48:24,811 INFO L225 Difference]: With dead ends: 270306 [2021-12-06 21:48:24,811 INFO L226 Difference]: Without dead ends: 270304 [2021-12-06 21:48:24,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 21:48:24,894 INFO L933 BasicCegarLoop]: 4576 mSDtfsCounter, 4608 mSDsluCounter, 10877 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 1165 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5029 SdHoareTripleChecker+Valid, 15453 SdHoareTripleChecker+Invalid, 3305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1165 IncrementalHoareTripleChecker+Valid, 2134 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2021-12-06 21:48:24,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5029 Valid, 15453 Invalid, 3305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1165 Valid, 2134 Invalid, 6 Unknown, 0 Unchecked, 20.8s Time] [2021-12-06 21:48:25,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270304 states. [2021-12-06 21:48:35,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270304 to 265669. [2021-12-06 21:48:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265669 states, 193459 states have (on average 1.3290723098951198) internal successors, (257121), 195133 states have internal predecessors, (257121), 58643 states have call successors, (58643), 12882 states have call predecessors, (58643), 13564 states have return successors, (63135), 58091 states have call predecessors, (63135), 58639 states have call successors, (63135) [2021-12-06 21:48:36,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265669 states to 265669 states and 378899 transitions. [2021-12-06 21:48:36,889 INFO L78 Accepts]: Start accepts. Automaton has 265669 states and 378899 transitions. Word has length 573 [2021-12-06 21:48:36,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:48:36,890 INFO L470 AbstractCegarLoop]: Abstraction has 265669 states and 378899 transitions. [2021-12-06 21:48:36,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-12-06 21:48:36,890 INFO L276 IsEmpty]: Start isEmpty. Operand 265669 states and 378899 transitions. [2021-12-06 21:48:36,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2021-12-06 21:48:36,898 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:48:36,899 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:48:36,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 21:48:36,899 INFO L402 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)] === [2021-12-06 21:48:36,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:48:36,899 INFO L85 PathProgramCache]: Analyzing trace with hash 50061988, now seen corresponding path program 1 times [2021-12-06 21:48:36,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:48:36,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356923913] [2021-12-06 21:48:36,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:48:36,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:48:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:48:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:48:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:48:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:48:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:48:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:48:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:48:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:48:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:48:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:48:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:48:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:48:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:48:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:48:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:48:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:48:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:48:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:48:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:48:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:48:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:48:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:48:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:48:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:48:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:48:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:48:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:37,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:48:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:48:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:48:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:48:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:48:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:48:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:48:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:48:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:48:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:48:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:48:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:48:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:48:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:48:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:48:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:48:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:48:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:48:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 21:48:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:48:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 21:48:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 21:48:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-06 21:48:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 21:48:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 21:48:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-06 21:48:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-06 21:48:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-12-06 21:48:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:48:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 8595 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8585 trivial. 0 not checked. [2021-12-06 21:48:38,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:48:38,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356923913] [2021-12-06 21:48:38,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356923913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:48:38,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:48:38,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:48:38,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664076751] [2021-12-06 21:48:38,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:48:38,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:48:38,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:48:38,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:48:38,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:48:38,527 INFO L87 Difference]: Start difference. First operand 265669 states and 378899 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 21:48:55,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:48:57,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:48:59,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:01,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:03,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:05,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:06,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:49:06,697 INFO L93 Difference]: Finished difference Result 270310 states and 385982 transitions. [2021-12-06 21:49:06,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:49:06,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 578 [2021-12-06 21:49:06,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:49:07,631 INFO L225 Difference]: With dead ends: 270310 [2021-12-06 21:49:07,631 INFO L226 Difference]: Without dead ends: 270308 [2021-12-06 21:49:07,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 21:49:07,724 INFO L933 BasicCegarLoop]: 4556 mSDtfsCounter, 4624 mSDsluCounter, 10837 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 1174 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5045 SdHoareTripleChecker+Valid, 15393 SdHoareTripleChecker+Invalid, 3308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1174 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2021-12-06 21:49:07,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5045 Valid, 15393 Invalid, 3308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1174 Valid, 2128 Invalid, 6 Unknown, 0 Unchecked, 21.5s Time] [2021-12-06 21:49:07,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270308 states. [2021-12-06 21:49:17,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270308 to 265673. [2021-12-06 21:49:18,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265673 states, 193462 states have (on average 1.3290672069967229) internal successors, (257124), 195136 states have internal predecessors, (257124), 58643 states have call successors, (58643), 12883 states have call predecessors, (58643), 13565 states have return successors, (63135), 58091 states have call predecessors, (63135), 58639 states have call successors, (63135) [2021-12-06 21:49:19,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265673 states to 265673 states and 378902 transitions. [2021-12-06 21:49:19,588 INFO L78 Accepts]: Start accepts. Automaton has 265673 states and 378902 transitions. Word has length 578 [2021-12-06 21:49:19,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:49:19,588 INFO L470 AbstractCegarLoop]: Abstraction has 265673 states and 378902 transitions. [2021-12-06 21:49:19,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-12-06 21:49:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 265673 states and 378902 transitions. [2021-12-06 21:49:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2021-12-06 21:49:19,597 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:49:19,598 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 43, 43, 43, 43, 43, 43, 7, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:49:19,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 21:49:19,598 INFO L402 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)] === [2021-12-06 21:49:19,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:49:19,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1566768807, now seen corresponding path program 1 times [2021-12-06 21:49:19,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:49:19,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776760229] [2021-12-06 21:49:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:49:19,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:49:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:19,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:49:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:19,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:19,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:49:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:49:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:49:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:49:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:49:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:49:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:49:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:49:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:49:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:49:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:49:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:49:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:49:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:49:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:49:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:49:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:49:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:49:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:49:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:49:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:49:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:49:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:49:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:49:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:49:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:49:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:49:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:49:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:49:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:49:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:49:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:49:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:49:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:49:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:49:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:49:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:49:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:49:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:49:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:49:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:49:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:49:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:49:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 21:49:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:49:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 21:49:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 21:49:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-06 21:49:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 21:49:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 21:49:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-06 21:49:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-12-06 21:49:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2021-12-06 21:49:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-12-06 21:49:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-12-06 21:49:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-12-06 21:49:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-12-06 21:49:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:49:20,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8908 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8896 trivial. 0 not checked. [2021-12-06 21:49:20,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:49:20,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776760229] [2021-12-06 21:49:20,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776760229] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:49:20,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:49:20,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:49:20,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345619272] [2021-12-06 21:49:20,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:49:20,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:49:20,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:49:20,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:49:20,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:49:20,747 INFO L87 Difference]: Start difference. First operand 265673 states and 378902 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-06 21:49:24,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:37,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:39,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:41,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:44,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:46,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:48,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:49:49,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:49:49,221 INFO L93 Difference]: Finished difference Result 270314 states and 385985 transitions. [2021-12-06 21:49:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:49:49,222 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 603 [2021-12-06 21:49:49,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:49:50,284 INFO L225 Difference]: With dead ends: 270314 [2021-12-06 21:49:50,284 INFO L226 Difference]: Without dead ends: 270312 [2021-12-06 21:49:50,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 21:49:50,365 INFO L933 BasicCegarLoop]: 4568 mSDtfsCounter, 4612 mSDsluCounter, 10863 mSDsCounter, 0 mSdLazyCounter, 2131 mSolverCounterSat, 1170 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5029 SdHoareTripleChecker+Valid, 15431 SdHoareTripleChecker+Invalid, 3307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1170 IncrementalHoareTripleChecker+Valid, 2131 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2021-12-06 21:49:50,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5029 Valid, 15431 Invalid, 3307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1170 Valid, 2131 Invalid, 6 Unknown, 0 Unchecked, 21.3s Time] [2021-12-06 21:49:50,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270312 states. [2021-12-06 21:50:01,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270312 to 265677. [2021-12-06 21:50:01,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265677 states, 193465 states have (on average 1.3290621042565838) internal successors, (257127), 195139 states have internal predecessors, (257127), 58643 states have call successors, (58643), 12884 states have call predecessors, (58643), 13566 states have return successors, (63135), 58091 states have call predecessors, (63135), 58639 states have call successors, (63135) [2021-12-06 21:50:02,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265677 states to 265677 states and 378905 transitions. [2021-12-06 21:50:02,642 INFO L78 Accepts]: Start accepts. Automaton has 265677 states and 378905 transitions. Word has length 603 [2021-12-06 21:50:02,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:02,643 INFO L470 AbstractCegarLoop]: Abstraction has 265677 states and 378905 transitions. [2021-12-06 21:50:02,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-06 21:50:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 265677 states and 378905 transitions. [2021-12-06 21:50:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2021-12-06 21:50:02,652 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:02,652 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 43, 43, 43, 43, 43, 43, 8, 7, 7, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:02,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 21:50:02,653 INFO L402 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)] === [2021-12-06 21:50:02,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:02,653 INFO L85 PathProgramCache]: Analyzing trace with hash -288193753, now seen corresponding path program 1 times [2021-12-06 21:50:02,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:02,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921926757] [2021-12-06 21:50:02,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:02,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:50:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:50:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:50:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:50:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:50:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:50:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:50:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:50:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:50:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:50:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:50:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:50:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:50:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:50:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:50:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:50:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:50:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:50:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:50:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:50:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:50:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:50:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:50:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:50:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:50:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:50:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:50:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:50:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:50:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:50:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:50:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:50:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:50:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:50:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:50:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:50:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:50:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:50:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:50:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:50:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:50:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:50:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:50:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:50:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 21:50:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 21:50:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 21:50:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-06 21:50:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 21:50:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 21:50:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-06 21:50:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-12-06 21:50:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2021-12-06 21:50:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-12-06 21:50:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-12-06 21:50:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-12-06 21:50:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-12-06 21:50:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2021-12-06 21:50:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 8934 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8920 trivial. 0 not checked. [2021-12-06 21:50:03,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:03,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921926757] [2021-12-06 21:50:03,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921926757] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:03,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:03,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:50:03,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749512736] [2021-12-06 21:50:03,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:03,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:50:03,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:03,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:50:03,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:50:03,980 INFO L87 Difference]: Start difference. First operand 265677 states and 378905 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-12-06 21:50:22,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:50:24,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:50:26,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:50:28,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:50:30,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:50:32,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:50:33,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:33,749 INFO L93 Difference]: Finished difference Result 270318 states and 385988 transitions. [2021-12-06 21:50:33,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:50:33,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 608 [2021-12-06 21:50:33,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:34,683 INFO L225 Difference]: With dead ends: 270318 [2021-12-06 21:50:34,684 INFO L226 Difference]: Without dead ends: 270314 [2021-12-06 21:50:34,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 21:50:34,772 INFO L933 BasicCegarLoop]: 4573 mSDtfsCounter, 4608 mSDsluCounter, 10873 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 1166 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5025 SdHoareTripleChecker+Valid, 15446 SdHoareTripleChecker+Invalid, 3306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1166 IncrementalHoareTripleChecker+Valid, 2134 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:34,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5025 Valid, 15446 Invalid, 3306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1166 Valid, 2134 Invalid, 6 Unknown, 0 Unchecked, 22.1s Time] [2021-12-06 21:50:34,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270314 states. [2021-12-06 21:50:45,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270314 to 265679. [2021-12-06 21:50:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265679 states, 193467 states have (on average 1.3290535336775782) internal successors, (257128), 195140 states have internal predecessors, (257128), 58643 states have call successors, (58643), 12885 states have call predecessors, (58643), 13566 states have return successors, (63135), 58091 states have call predecessors, (63135), 58639 states have call successors, (63135) [2021-12-06 21:50:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265679 states to 265679 states and 378906 transitions. [2021-12-06 21:50:47,395 INFO L78 Accepts]: Start accepts. Automaton has 265679 states and 378906 transitions. Word has length 608 [2021-12-06 21:50:47,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:47,396 INFO L470 AbstractCegarLoop]: Abstraction has 265679 states and 378906 transitions. [2021-12-06 21:50:47,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-12-06 21:50:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 265679 states and 378906 transitions. [2021-12-06 21:50:47,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2021-12-06 21:50:47,405 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:47,406 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 43, 43, 43, 43, 43, 43, 9, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:47,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 21:50:47,406 INFO L402 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)] === [2021-12-06 21:50:47,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:47,406 INFO L85 PathProgramCache]: Analyzing trace with hash 83813991, now seen corresponding path program 1 times [2021-12-06 21:50:47,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:47,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000230812] [2021-12-06 21:50:47,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:47,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:50:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:50:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:50:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:50:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:50:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:50:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:50:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:50:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 21:50:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 21:50:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 21:50:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 21:50:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 21:50:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 21:50:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 21:50:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 21:50:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 21:50:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 21:50:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 21:50:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 21:50:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 21:50:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 21:50:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 21:50:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 21:50:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 21:50:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 21:50:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 21:50:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 21:50:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 21:50:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 21:50:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 21:50:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 21:50:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 21:50:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 21:50:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 21:50:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 21:50:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 21:50:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 21:50:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 21:50:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 21:50:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 21:50:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 21:50:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 21:50:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-06 21:50:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-06 21:50:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:50:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 21:50:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-06 21:50:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-06 21:50:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 21:50:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 21:50:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-06 21:50:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-12-06 21:50:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2021-12-06 21:50:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-12-06 21:50:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-12-06 21:50:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-12-06 21:50:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-12-06 21:50:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2021-12-06 21:50:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2021-12-06 21:50:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8964 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8948 trivial. 0 not checked. [2021-12-06 21:50:48,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:48,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000230812] [2021-12-06 21:50:48,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000230812] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:48,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:48,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:50:48,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757751703] [2021-12-06 21:50:48,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:48,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:50:48,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:48,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:50:48,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:50:48,494 INFO L87 Difference]: Start difference. First operand 265679 states and 378906 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (61), 4 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-06 21:51:09,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:11,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:13,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:15,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:17,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:19,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:21,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:23,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:25,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:28,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:30,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:32,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:34,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:36,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:38,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 21:51:40,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:51:40,426 INFO L93 Difference]: Finished difference Result 344986 states and 490074 transitions. [2021-12-06 21:51:40,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 21:51:40,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (61), 4 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 613 [2021-12-06 21:51:40,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:51:41,717 INFO L225 Difference]: With dead ends: 344986 [2021-12-06 21:51:41,717 INFO L226 Difference]: Without dead ends: 344420 [2021-12-06 21:51:41,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 21:51:41,820 INFO L933 BasicCegarLoop]: 4881 mSDtfsCounter, 4622 mSDsluCounter, 12897 mSDsCounter, 0 mSdLazyCounter, 2774 mSolverCounterSat, 1327 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5039 SdHoareTripleChecker+Valid, 17778 SdHoareTripleChecker+Invalid, 4116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1327 IncrementalHoareTripleChecker+Valid, 2774 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:51:41,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5039 Valid, 17778 Invalid, 4116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1327 Valid, 2774 Invalid, 15 Unknown, 0 Unchecked, 42.4s Time] [2021-12-06 21:51:42,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344420 states. [2021-12-06 21:51:55,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344420 to 338989. [2021-12-06 21:51:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338989 states, 248125 states have (on average 1.3376564231738035) internal successors, (331906), 249980 states have internal predecessors, (331906), 72393 states have call successors, (72393), 17642 states have call predecessors, (72393), 18469 states have return successors, (77069), 71804 states have call predecessors, (77069), 72393 states have call successors, (77069) [2021-12-06 21:51:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338989 states to 338989 states and 481368 transitions. [2021-12-06 21:51:56,988 INFO L78 Accepts]: Start accepts. Automaton has 338989 states and 481368 transitions. Word has length 613 [2021-12-06 21:51:56,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:51:56,988 INFO L470 AbstractCegarLoop]: Abstraction has 338989 states and 481368 transitions. [2021-12-06 21:51:56,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (61), 4 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-06 21:51:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 338989 states and 481368 transitions. [2021-12-06 21:51:56,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2021-12-06 21:51:56,999 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:51:57,000 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:51:57,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 21:51:57,000 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 21:51:57,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:51:57,000 INFO L85 PathProgramCache]: Analyzing trace with hash 224866881, now seen corresponding path program 1 times [2021-12-06 21:51:57,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:51:57,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004311840] [2021-12-06 21:51:57,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:51:57,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:51:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 21:51:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:51:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:51:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 21:51:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 21:51:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 21:51:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 21:51:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 21:51:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:51:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 21:51:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat