./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --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 933dd0d2fb6123c49a9fe18c9ec661f96e4ab43ff48b9b6395d569a8d178a6c2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:18:14,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:18:14,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 07:18:14,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:18:14,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:18:14,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:18:14,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:18:14,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:18:14,557 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:18:14,557 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:18:14,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:18:14,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:18:14,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:18:14,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:18:14,558 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:18:14,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:18:14,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:18:14,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:18:14,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:18:14,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:18:14,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:18:14,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:18:14,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:18:14,559 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:18:14,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:18:14,559 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:18:14,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:18:14,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:18:14,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:18:14,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:18:14,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:18:14,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:18:14,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:18:14,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:18:14,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:18:14,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:18:14,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:18:14,560 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:18:14,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:18:14,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:18:14,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:18:14,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:18:14,561 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:18:14,561 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:18:14,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:18:14,561 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 933dd0d2fb6123c49a9fe18c9ec661f96e4ab43ff48b9b6395d569a8d178a6c2 [2024-12-02 07:18:14,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:18:14,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:18:14,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:18:14,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:18:14,782 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:18:14,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2024-12-02 07:18:17,442 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/data/170db7952/6dc8b3d497b84b85a7b2464bd64e507a/FLAG9082f187a [2024-12-02 07:18:17,886 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:18:17,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2024-12-02 07:18:17,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/data/170db7952/6dc8b3d497b84b85a7b2464bd64e507a/FLAG9082f187a [2024-12-02 07:18:17,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/data/170db7952/6dc8b3d497b84b85a7b2464bd64e507a [2024-12-02 07:18:17,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:18:17,933 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:18:17,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:18:17,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:18:17,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:18:17,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:18:17" (1/1) ... [2024-12-02 07:18:17,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7669e0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:17, skipping insertion in model container [2024-12-02 07:18:17,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:18:17" (1/1) ... [2024-12-02 07:18:18,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:18:20,038 WARN L250 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_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2024-12-02 07:18:20,041 WARN L250 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_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2024-12-02 07:18:20,041 WARN L250 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_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2024-12-02 07:18:20,041 WARN L250 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_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2024-12-02 07:18:20,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:18:20,102 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:18:20,238 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (91), "i" (12UL)); [5786-5787] [2024-12-02 07:18:20,242 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (118), "i" (12UL)); [5826-5827] [2024-12-02 07:18:20,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (355), "i" (12UL)); [6178-6179] [2024-12-02 07:18:20,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (356), "i" (12UL)); [6189-6190] [2024-12-02 07:18:20,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (393), "i" (12UL)); [6258-6259] [2024-12-02 07:18:20,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (394), "i" (12UL)); [6269-6270] [2024-12-02 07:18:20,419 WARN L250 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_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2024-12-02 07:18:20,419 WARN L250 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_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2024-12-02 07:18:20,420 WARN L250 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_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2024-12-02 07:18:20,420 WARN L250 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_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2024-12-02 07:18:20,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:18:20,621 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:18:20,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20 WrapperNode [2024-12-02 07:18:20,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:18:20,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:18:20,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:18:20,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:18:20,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:20,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:20,936 INFO L138 Inliner]: procedures = 389, calls = 3974, calls flagged for inlining = 185, calls inlined = 168, statements flattened = 9181 [2024-12-02 07:18:20,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:18:20,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:18:20,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:18:20,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:18:20,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:20,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:21,005 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:22,015 INFO L175 MemorySlicer]: Split 1239 memory accesses to 23 slices as follows [5, 621, 1, 2, 2, 2, 2, 2, 1, 19, 2, 22, 280, 53, 2, 2, 20, 12, 2, 4, 8, 8, 167]. 50 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 8, 0]. The 593 writes are split as follows [5, 193, 0, 1, 0, 1, 1, 1, 0, 19, 1, 18, 240, 44, 1, 1, 10, 1, 1, 1, 0, 0, 54]. [2024-12-02 07:18:22,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:22,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:22,141 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:22,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:22,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:22,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:22,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:22,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:18:22,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:18:22,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:18:22,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:18:22,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (1/1) ... [2024-12-02 07:18:22,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:18:22,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:18:22,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:18:22,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c4e9e-b978-4b09-aef0-5bd6ed392adf/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:18:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg_nopm [2024-12-02 07:18:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg_nopm [2024-12-02 07:18:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 07:18:22,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 07:18:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2024-12-02 07:18:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2024-12-02 07:18:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 07:18:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 07:18:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2024-12-02 07:18:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2024-12-02 07:18:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 07:18:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 07:18:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-12-02 07:18:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-12-02 07:18:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enable_phy_wakeup_interrupts [2024-12-02 07:18:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enable_phy_wakeup_interrupts [2024-12-02 07:18:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_reset [2024-12-02 07:18:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_reset [2024-12-02 07:18:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_eeprom [2024-12-02 07:18:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_eeprom [2024-12-02 07:18:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_write [2024-12-02 07:18:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_write [2024-12-02 07:18:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-12-02 07:18:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-12-02 07:18:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 07:18:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 07:18:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 07:18:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 07:18:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_rx_csum_offload [2024-12-02 07:18:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_rx_csum_offload [2024-12-02 07:18:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 07:18:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 07:18:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 07:18:22,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 07:18:22,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_features [2024-12-02 07:18:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_features [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 07:18:22,355 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 07:18:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2024-12-02 07:18:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2024-12-02 07:18:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 07:18:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 07:18:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 07:18:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 07:18:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 07:18:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 07:18:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 07:18:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 07:18:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 07:18:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 07:18:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2024-12-02 07:18:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read_nopm [2024-12-02 07:18:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read_nopm [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 07:18:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 07:18:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 07:18:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 07:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 07:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 07:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 07:18:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 07:18:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 07:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 07:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 07:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 07:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 07:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 07:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_phy_wait_not_busy [2024-12-02 07:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_phy_wait_not_busy [2024-12-02 07:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-12-02 07:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-12-02 07:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write [2024-12-02 07:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write [2024-12-02 07:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 07:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 07:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 07:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 07:18:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 07:18:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 07:18:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 07:18:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 07:18:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 07:18:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 07:18:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2024-12-02 07:18:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read [2024-12-02 07:18:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_rx_max_frame_length [2024-12-02 07:18:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_rx_max_frame_length [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 07:18:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 07:18:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:18:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_read_reg [2024-12-02 07:18:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_read_reg [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-12-02 07:18:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 07:18:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_get_eeprom_len [2024-12-02 07:18:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_get_eeprom_len [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 07:18:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 07:18:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 07:18:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2024-12-02 07:18:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-12-02 07:18:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-12-02 07:18:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 07:18:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2024-12-02 07:18:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg [2024-12-02 07:18:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2024-12-02 07:18:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 07:18:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write_nopm [2024-12-02 07:18:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write_nopm [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_multicast [2024-12-02 07:18:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_multicast [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 07:18:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 07:18:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-12-02 07:18:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 07:18:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 07:18:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 07:18:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_read [2024-12-02 07:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_read [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 07:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 07:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg_nopm [2024-12-02 07:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg_nopm [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-12-02 07:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_write_reg [2024-12-02 07:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_write_reg [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2024-12-02 07:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_ready [2024-12-02 07:18:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_ready [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 07:18:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-12-02 07:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_eeprom [2024-12-02 07:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_eeprom [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 07:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_link_reset [2024-12-02 07:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_link_reset [2024-12-02 07:18:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_resume [2024-12-02 07:18:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_resume [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_wuff [2024-12-02 07:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_wuff [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_eeprom_confirm_not_busy [2024-12-02 07:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_eeprom_confirm_not_busy [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 07:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend2 [2024-12-02 07:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend2 [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend1 [2024-12-02 07:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend1 [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg [2024-12-02 07:18:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 07:18:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 07:18:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 07:18:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2024-12-02 07:18:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2024-12-02 07:18:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 07:18:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 07:18:23,339 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:18:23,342 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:18:24,087 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 07:18:38,209 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 07:18:39,658 INFO L? ?]: Removed 3118 outVars from TransFormulas that were not future-live. [2024-12-02 07:18:39,658 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:18:39,700 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:18:39,700 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 07:18:39,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:18:39 BoogieIcfgContainer [2024-12-02 07:18:39,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:18:39,703 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:18:39,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:18:39,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:18:39,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:18:17" (1/3) ... [2024-12-02 07:18:39,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1028298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:18:39, skipping insertion in model container [2024-12-02 07:18:39,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:20" (2/3) ... [2024-12-02 07:18:39,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1028298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:18:39, skipping insertion in model container [2024-12-02 07:18:39,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:18:39" (3/3) ... [2024-12-02 07:18:39,710 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2024-12-02 07:18:39,725 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:18:39,727 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i that has 99 procedures, 2751 locations, 1 initial locations, 46 loop locations, and 3 error locations. [2024-12-02 07:18:39,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:18:39,848 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e4ee0ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:18:39,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 07:18:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 2639 states, 1955 states have (on average 1.370843989769821) internal successors, (2680), 1958 states have internal predecessors, (2680), 606 states have call successors, (606), 76 states have call predecessors, (606), 75 states have return successors, (599), 599 states have call predecessors, (599), 599 states have call successors, (599) [2024-12-02 07:18:39,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-12-02 07:18:39,878 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:18:39,879 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:18:39,879 INFO L396 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)] === [2024-12-02 07:18:39,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:18:39,884 INFO L85 PathProgramCache]: Analyzing trace with hash 695567123, now seen corresponding path program 1 times [2024-12-02 07:18:39,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:18:39,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068789631] [2024-12-02 07:18:39,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:18:39,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:18:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:18:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-12-02 07:18:45,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:18:45,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068789631] [2024-12-02 07:18:45,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068789631] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:18:45,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:18:45,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:18:45,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324511575] [2024-12-02 07:18:45,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:18:45,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:18:45,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:18:45,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:18:45,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:18:45,554 INFO L87 Difference]: Start difference. First operand has 2639 states, 1955 states have (on average 1.370843989769821) internal successors, (2680), 1958 states have internal predecessors, (2680), 606 states have call successors, (606), 76 states have call predecessors, (606), 75 states have return successors, (599), 599 states have call predecessors, (599), 599 states have call successors, (599) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 07:18:49,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:18:50,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:18:50,260 INFO L93 Difference]: Finished difference Result 7733 states and 11777 transitions. [2024-12-02 07:18:50,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:18:50,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 217 [2024-12-02 07:18:50,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:18:50,309 INFO L225 Difference]: With dead ends: 7733 [2024-12-02 07:18:50,309 INFO L226 Difference]: Without dead ends: 5122 [2024-12-02 07:18:50,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:18:50,335 INFO L435 NwaCegarLoop]: 3843 mSDtfsCounter, 3662 mSDsluCounter, 3768 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3662 SdHoareTripleChecker+Valid, 7611 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:18:50,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3662 Valid, 7611 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 07:18:50,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2024-12-02 07:18:50,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 5118. [2024-12-02 07:18:50,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5118 states, 3822 states have (on average 1.3466771323914182) internal successors, (5147), 3827 states have internal predecessors, (5147), 1147 states have call successors, (1147), 147 states have call predecessors, (1147), 146 states have return successors, (1143), 1143 states have call predecessors, (1143), 1143 states have call successors, (1143) [2024-12-02 07:18:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 7437 transitions. [2024-12-02 07:18:50,814 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 7437 transitions. Word has length 217 [2024-12-02 07:18:50,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:18:50,815 INFO L471 AbstractCegarLoop]: Abstraction has 5118 states and 7437 transitions. [2024-12-02 07:18:50,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 07:18:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 7437 transitions. [2024-12-02 07:18:50,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-12-02 07:18:50,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:18:50,822 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:18:50,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 07:18:50,823 INFO L396 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)] === [2024-12-02 07:18:50,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:18:50,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1778344957, now seen corresponding path program 1 times [2024-12-02 07:18:50,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:18:50,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799734569] [2024-12-02 07:18:50,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:18:50,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:18:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:18:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-12-02 07:18:55,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:18:55,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799734569] [2024-12-02 07:18:55,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799734569] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:18:55,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:18:55,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:18:55,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688857448] [2024-12-02 07:18:55,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:18:55,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:18:55,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:18:55,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:18:55,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:18:55,088 INFO L87 Difference]: Start difference. First operand 5118 states and 7437 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 07:18:59,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:19:00,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:00,528 INFO L93 Difference]: Finished difference Result 12330 states and 17933 transitions. [2024-12-02 07:19:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:19:00,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2024-12-02 07:19:00,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:19:00,585 INFO L225 Difference]: With dead ends: 12330 [2024-12-02 07:19:00,585 INFO L226 Difference]: Without dead ends: 7251 [2024-12-02 07:19:00,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:19:00,610 INFO L435 NwaCegarLoop]: 4083 mSDtfsCounter, 3413 mSDsluCounter, 3725 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 7808 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:19:00,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 7808 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 07:19:00,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7251 states. [2024-12-02 07:19:00,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7251 to 7224. [2024-12-02 07:19:00,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7224 states, 5364 states have (on average 1.3484340044742729) internal successors, (7233), 5374 states have internal predecessors, (7233), 1639 states have call successors, (1639), 219 states have call predecessors, (1639), 218 states have return successors, (1635), 1630 states have call predecessors, (1635), 1635 states have call successors, (1635) [2024-12-02 07:19:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7224 states to 7224 states and 10507 transitions. [2024-12-02 07:19:01,048 INFO L78 Accepts]: Start accepts. Automaton has 7224 states and 10507 transitions. Word has length 228 [2024-12-02 07:19:01,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:19:01,049 INFO L471 AbstractCegarLoop]: Abstraction has 7224 states and 10507 transitions. [2024-12-02 07:19:01,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 07:19:01,049 INFO L276 IsEmpty]: Start isEmpty. Operand 7224 states and 10507 transitions. [2024-12-02 07:19:01,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-12-02 07:19:01,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:19:01,059 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:01,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:19:01,059 INFO L396 AbstractCegarLoop]: === Iteration 3 === 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)] === [2024-12-02 07:19:01,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:01,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1024320444, now seen corresponding path program 1 times [2024-12-02 07:19:01,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:19:01,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594874874] [2024-12-02 07:19:01,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:01,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2024-12-02 07:19:05,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:19:05,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594874874] [2024-12-02 07:19:05,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594874874] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:19:05,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:19:05,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:19:05,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235766524] [2024-12-02 07:19:05,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:19:05,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:19:05,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:19:05,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:19:05,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:19:05,184 INFO L87 Difference]: Start difference. First operand 7224 states and 10507 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 07:19:09,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:19:09,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:09,769 INFO L93 Difference]: Finished difference Result 16919 states and 24610 transitions. [2024-12-02 07:19:09,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:19:09,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 276 [2024-12-02 07:19:09,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:19:09,832 INFO L225 Difference]: With dead ends: 16919 [2024-12-02 07:19:09,832 INFO L226 Difference]: Without dead ends: 11989 [2024-12-02 07:19:09,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:19:09,853 INFO L435 NwaCegarLoop]: 7429 mSDtfsCounter, 3623 mSDsluCounter, 3776 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3623 SdHoareTripleChecker+Valid, 11205 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:19:09,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3623 Valid, 11205 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 07:19:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11989 states. [2024-12-02 07:19:10,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11989 to 11985. [2024-12-02 07:19:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11985 states, 8925 states have (on average 1.349467787114846) internal successors, (12044), 8935 states have internal predecessors, (12044), 2697 states have call successors, (2697), 361 states have call predecessors, (2697), 360 states have return successors, (2693), 2688 states have call predecessors, (2693), 2693 states have call successors, (2693) [2024-12-02 07:19:10,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11985 states to 11985 states and 17434 transitions. [2024-12-02 07:19:10,536 INFO L78 Accepts]: Start accepts. Automaton has 11985 states and 17434 transitions. Word has length 276 [2024-12-02 07:19:10,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:19:10,537 INFO L471 AbstractCegarLoop]: Abstraction has 11985 states and 17434 transitions. [2024-12-02 07:19:10,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 07:19:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 11985 states and 17434 transitions. [2024-12-02 07:19:10,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-12-02 07:19:10,547 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:19:10,547 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:10,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:19:10,547 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 07:19:10,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:10,548 INFO L85 PathProgramCache]: Analyzing trace with hash 898907590, now seen corresponding path program 1 times [2024-12-02 07:19:10,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:19:10,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548125604] [2024-12-02 07:19:10,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:10,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2024-12-02 07:19:15,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:19:15,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548125604] [2024-12-02 07:19:15,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548125604] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:19:15,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:19:15,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:19:15,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770613103] [2024-12-02 07:19:15,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:19:15,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:19:15,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:19:15,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:19:15,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:19:15,366 INFO L87 Difference]: Start difference. First operand 11985 states and 17434 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 07:19:16,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:16,062 INFO L93 Difference]: Finished difference Result 11991 states and 17439 transitions. [2024-12-02 07:19:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:19:16,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 276 [2024-12-02 07:19:16,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:19:16,133 INFO L225 Difference]: With dead ends: 11991 [2024-12-02 07:19:16,133 INFO L226 Difference]: Without dead ends: 11989 [2024-12-02 07:19:16,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:19:16,143 INFO L435 NwaCegarLoop]: 3806 mSDtfsCounter, 3739 mSDsluCounter, 7599 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3740 SdHoareTripleChecker+Valid, 11405 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:19:16,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3740 Valid, 11405 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:19:16,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11989 states. [2024-12-02 07:19:16,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11989 to 11989. [2024-12-02 07:19:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11989 states, 8928 states have (on average 1.3493503584229392) internal successors, (12047), 8938 states have internal predecessors, (12047), 2697 states have call successors, (2697), 362 states have call predecessors, (2697), 361 states have return successors, (2693), 2688 states have call predecessors, (2693), 2693 states have call successors, (2693) [2024-12-02 07:19:16,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11989 states to 11989 states and 17437 transitions. [2024-12-02 07:19:16,814 INFO L78 Accepts]: Start accepts. Automaton has 11989 states and 17437 transitions. Word has length 276 [2024-12-02 07:19:16,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:19:16,815 INFO L471 AbstractCegarLoop]: Abstraction has 11989 states and 17437 transitions. [2024-12-02 07:19:16,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 07:19:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 11989 states and 17437 transitions. [2024-12-02 07:19:16,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-12-02 07:19:16,824 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:19:16,824 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:16,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:19:16,825 INFO L396 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)] === [2024-12-02 07:19:16,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:16,825 INFO L85 PathProgramCache]: Analyzing trace with hash -180746419, now seen corresponding path program 1 times [2024-12-02 07:19:16,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:19:16,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659237293] [2024-12-02 07:19:16,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:16,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:21,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1484 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2024-12-02 07:19:21,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:19:21,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659237293] [2024-12-02 07:19:21,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659237293] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:19:21,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:19:21,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:19:21,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478500948] [2024-12-02 07:19:21,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:19:21,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:19:21,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:19:21,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:19:21,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:19:21,307 INFO L87 Difference]: Start difference. First operand 11989 states and 17437 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 07:19:21,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:21,945 INFO L93 Difference]: Finished difference Result 11995 states and 17442 transitions. [2024-12-02 07:19:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:19:21,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 281 [2024-12-02 07:19:21,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:19:22,012 INFO L225 Difference]: With dead ends: 11995 [2024-12-02 07:19:22,012 INFO L226 Difference]: Without dead ends: 11993 [2024-12-02 07:19:22,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:19:22,022 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3735 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3736 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:19:22,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3736 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:19:22,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11993 states. [2024-12-02 07:19:22,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11993 to 11993. [2024-12-02 07:19:22,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11993 states, 8931 states have (on average 1.3492330086216549) internal successors, (12050), 8941 states have internal predecessors, (12050), 2697 states have call successors, (2697), 363 states have call predecessors, (2697), 362 states have return successors, (2693), 2688 states have call predecessors, (2693), 2693 states have call successors, (2693) [2024-12-02 07:19:22,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11993 states to 11993 states and 17440 transitions. [2024-12-02 07:19:22,728 INFO L78 Accepts]: Start accepts. Automaton has 11993 states and 17440 transitions. Word has length 281 [2024-12-02 07:19:22,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:19:22,729 INFO L471 AbstractCegarLoop]: Abstraction has 11993 states and 17440 transitions. [2024-12-02 07:19:22,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 07:19:22,730 INFO L276 IsEmpty]: Start isEmpty. Operand 11993 states and 17440 transitions. [2024-12-02 07:19:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-12-02 07:19:22,740 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:19:22,741 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:22,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:19:22,741 INFO L396 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)] === [2024-12-02 07:19:22,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:22,742 INFO L85 PathProgramCache]: Analyzing trace with hash 423965158, now seen corresponding path program 1 times [2024-12-02 07:19:22,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:19:22,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528977855] [2024-12-02 07:19:22,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:22,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1486 trivial. 0 not checked. [2024-12-02 07:19:27,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:19:27,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528977855] [2024-12-02 07:19:27,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528977855] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:19:27,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:19:27,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:19:27,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554879454] [2024-12-02 07:19:27,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:19:27,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:19:27,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:19:27,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:19:27,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:19:27,419 INFO L87 Difference]: Start difference. First operand 11993 states and 17440 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 07:19:27,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:27,973 INFO L93 Difference]: Finished difference Result 11999 states and 17445 transitions. [2024-12-02 07:19:27,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:19:27,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 286 [2024-12-02 07:19:27,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:19:28,034 INFO L225 Difference]: With dead ends: 11999 [2024-12-02 07:19:28,034 INFO L226 Difference]: Without dead ends: 11997 [2024-12-02 07:19:28,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:19:28,043 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3734 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3735 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:19:28,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:19:28,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11997 states. [2024-12-02 07:19:28,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11997 to 11997. [2024-12-02 07:19:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11997 states, 8934 states have (on average 1.34911573763152) internal successors, (12053), 8944 states have internal predecessors, (12053), 2697 states have call successors, (2697), 364 states have call predecessors, (2697), 363 states have return successors, (2693), 2688 states have call predecessors, (2693), 2693 states have call successors, (2693) [2024-12-02 07:19:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11997 states to 11997 states and 17443 transitions. [2024-12-02 07:19:28,694 INFO L78 Accepts]: Start accepts. Automaton has 11997 states and 17443 transitions. Word has length 286 [2024-12-02 07:19:28,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:19:28,695 INFO L471 AbstractCegarLoop]: Abstraction has 11997 states and 17443 transitions. [2024-12-02 07:19:28,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 07:19:28,695 INFO L276 IsEmpty]: Start isEmpty. Operand 11997 states and 17443 transitions. [2024-12-02 07:19:28,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-12-02 07:19:28,707 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:19:28,707 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:28,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:19:28,708 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 07:19:28,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:28,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1933400834, now seen corresponding path program 1 times [2024-12-02 07:19:28,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:19:28,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407838981] [2024-12-02 07:19:28,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:28,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1498 trivial. 0 not checked. [2024-12-02 07:19:32,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:19:32,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407838981] [2024-12-02 07:19:32,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407838981] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:19:32,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:19:32,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:19:32,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483437085] [2024-12-02 07:19:32,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:19:32,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:19:32,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:19:32,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:19:32,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:19:32,565 INFO L87 Difference]: Start difference. First operand 11997 states and 17443 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 07:19:36,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:19:37,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:37,365 INFO L93 Difference]: Finished difference Result 26497 states and 38523 transitions. [2024-12-02 07:19:37,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:19:37,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 301 [2024-12-02 07:19:37,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:19:37,411 INFO L225 Difference]: With dead ends: 26497 [2024-12-02 07:19:37,411 INFO L226 Difference]: Without dead ends: 16794 [2024-12-02 07:19:37,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:19:37,432 INFO L435 NwaCegarLoop]: 7430 mSDtfsCounter, 3655 mSDsluCounter, 3778 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3655 SdHoareTripleChecker+Valid, 11208 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:19:37,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3655 Valid, 11208 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 07:19:37,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16794 states. [2024-12-02 07:19:38,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16794 to 16760. [2024-12-02 07:19:38,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16760 states, 12497 states have (on average 1.3496039049371849) internal successors, (16866), 12507 states have internal predecessors, (16866), 3755 states have call successors, (3755), 506 states have call predecessors, (3755), 505 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-12-02 07:19:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16760 states to 16760 states and 24372 transitions. [2024-12-02 07:19:38,182 INFO L78 Accepts]: Start accepts. Automaton has 16760 states and 24372 transitions. Word has length 301 [2024-12-02 07:19:38,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:19:38,183 INFO L471 AbstractCegarLoop]: Abstraction has 16760 states and 24372 transitions. [2024-12-02 07:19:38,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 07:19:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 16760 states and 24372 transitions. [2024-12-02 07:19:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-12-02 07:19:38,189 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:19:38,189 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:38,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:19:38,190 INFO L396 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)] === [2024-12-02 07:19:38,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:38,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1960236717, now seen corresponding path program 1 times [2024-12-02 07:19:38,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:19:38,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214959017] [2024-12-02 07:19:38,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:38,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:42,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1494 trivial. 0 not checked. [2024-12-02 07:19:42,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:19:42,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214959017] [2024-12-02 07:19:42,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214959017] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:19:42,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:19:42,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:19:42,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111769058] [2024-12-02 07:19:42,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:19:42,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:19:42,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:19:42,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:19:42,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:19:42,344 INFO L87 Difference]: Start difference. First operand 16760 states and 24372 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 07:19:42,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:42,967 INFO L93 Difference]: Finished difference Result 16766 states and 24377 transitions. [2024-12-02 07:19:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:19:42,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 291 [2024-12-02 07:19:42,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:19:43,039 INFO L225 Difference]: With dead ends: 16766 [2024-12-02 07:19:43,039 INFO L226 Difference]: Without dead ends: 16764 [2024-12-02 07:19:43,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:19:43,049 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3733 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3734 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:19:43,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3734 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:19:43,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16764 states. [2024-12-02 07:19:43,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16764 to 16764. [2024-12-02 07:19:43,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16764 states, 12500 states have (on average 1.34952) internal successors, (16869), 12510 states have internal predecessors, (16869), 3755 states have call successors, (3755), 507 states have call predecessors, (3755), 506 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-12-02 07:19:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16764 states to 16764 states and 24375 transitions. [2024-12-02 07:19:43,976 INFO L78 Accepts]: Start accepts. Automaton has 16764 states and 24375 transitions. Word has length 291 [2024-12-02 07:19:43,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:19:43,977 INFO L471 AbstractCegarLoop]: Abstraction has 16764 states and 24375 transitions. [2024-12-02 07:19:43,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 07:19:43,977 INFO L276 IsEmpty]: Start isEmpty. Operand 16764 states and 24375 transitions. [2024-12-02 07:19:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-12-02 07:19:43,985 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:19:43,985 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:43,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:19:43,985 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 07:19:43,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:43,986 INFO L85 PathProgramCache]: Analyzing trace with hash -631427578, now seen corresponding path program 1 times [2024-12-02 07:19:43,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:19:43,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763114427] [2024-12-02 07:19:43,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:43,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1506 trivial. 0 not checked. [2024-12-02 07:19:47,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:19:47,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763114427] [2024-12-02 07:19:47,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763114427] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:19:47,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:19:47,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:19:47,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674811937] [2024-12-02 07:19:47,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:19:47,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:19:47,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:19:47,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:19:47,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:19:47,928 INFO L87 Difference]: Start difference. First operand 16764 states and 24375 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 07:19:48,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:48,562 INFO L93 Difference]: Finished difference Result 16770 states and 24380 transitions. [2024-12-02 07:19:48,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:19:48,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 296 [2024-12-02 07:19:48,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:19:48,663 INFO L225 Difference]: With dead ends: 16770 [2024-12-02 07:19:48,664 INFO L226 Difference]: Without dead ends: 16768 [2024-12-02 07:19:48,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:19:48,667 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3732 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3733 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:19:48,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3733 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:19:48,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16768 states. [2024-12-02 07:19:49,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16768 to 16768. [2024-12-02 07:19:49,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16768 states, 12503 states have (on average 1.3494361353275215) internal successors, (16872), 12513 states have internal predecessors, (16872), 3755 states have call successors, (3755), 508 states have call predecessors, (3755), 507 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-12-02 07:19:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16768 states to 16768 states and 24378 transitions. [2024-12-02 07:19:49,238 INFO L78 Accepts]: Start accepts. Automaton has 16768 states and 24378 transitions. Word has length 296 [2024-12-02 07:19:49,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:19:49,239 INFO L471 AbstractCegarLoop]: Abstraction has 16768 states and 24378 transitions. [2024-12-02 07:19:49,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 07:19:49,239 INFO L276 IsEmpty]: Start isEmpty. Operand 16768 states and 24378 transitions. [2024-12-02 07:19:49,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-12-02 07:19:49,244 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:19:49,245 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:49,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 07:19:49,245 INFO L396 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)] === [2024-12-02 07:19:49,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:49,245 INFO L85 PathProgramCache]: Analyzing trace with hash 103915021, now seen corresponding path program 1 times [2024-12-02 07:19:49,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:19:49,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038905195] [2024-12-02 07:19:49,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:49,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1532 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1522 trivial. 0 not checked. [2024-12-02 07:19:53,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:19:53,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038905195] [2024-12-02 07:19:53,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038905195] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:19:53,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:19:53,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:19:53,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297375476] [2024-12-02 07:19:53,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:19:53,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:19:53,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:19:53,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:19:53,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:19:53,248 INFO L87 Difference]: Start difference. First operand 16768 states and 24378 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 07:19:53,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:53,967 INFO L93 Difference]: Finished difference Result 16774 states and 24383 transitions. [2024-12-02 07:19:53,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:19:53,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 301 [2024-12-02 07:19:53,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:19:54,037 INFO L225 Difference]: With dead ends: 16774 [2024-12-02 07:19:54,038 INFO L226 Difference]: Without dead ends: 16772 [2024-12-02 07:19:54,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:19:54,048 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3731 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3732 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:19:54,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3732 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:19:54,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16772 states. [2024-12-02 07:19:54,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16772 to 16772. [2024-12-02 07:19:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16772 states, 12506 states have (on average 1.3493523108907723) internal successors, (16875), 12516 states have internal predecessors, (16875), 3755 states have call successors, (3755), 509 states have call predecessors, (3755), 508 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-12-02 07:19:54,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16772 states to 16772 states and 24381 transitions. [2024-12-02 07:19:54,840 INFO L78 Accepts]: Start accepts. Automaton has 16772 states and 24381 transitions. Word has length 301 [2024-12-02 07:19:54,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:19:54,841 INFO L471 AbstractCegarLoop]: Abstraction has 16772 states and 24381 transitions. [2024-12-02 07:19:54,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 07:19:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 16772 states and 24381 transitions. [2024-12-02 07:19:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-12-02 07:19:54,847 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:19:54,847 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:19:54,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 07:19:54,847 INFO L396 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)] === [2024-12-02 07:19:54,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:19:54,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1236415014, now seen corresponding path program 1 times [2024-12-02 07:19:54,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:19:54,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698043584] [2024-12-02 07:19:54,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:19:54,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:19:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:19:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1542 trivial. 0 not checked. [2024-12-02 07:19:59,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:19:59,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698043584] [2024-12-02 07:19:59,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698043584] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:19:59,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:19:59,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:19:59,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568896860] [2024-12-02 07:19:59,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:19:59,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:19:59,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:19:59,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:19:59,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:19:59,156 INFO L87 Difference]: Start difference. First operand 16772 states and 24381 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 07:19:59,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:19:59,883 INFO L93 Difference]: Finished difference Result 16778 states and 24386 transitions. [2024-12-02 07:19:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:19:59,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 306 [2024-12-02 07:19:59,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:19:59,941 INFO L225 Difference]: With dead ends: 16778 [2024-12-02 07:19:59,941 INFO L226 Difference]: Without dead ends: 16776 [2024-12-02 07:19:59,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:19:59,950 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3730 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3731 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:19:59,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3731 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:19:59,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16776 states. [2024-12-02 07:20:00,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16776 to 16776. [2024-12-02 07:20:00,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16776 states, 12509 states have (on average 1.3492685266608042) internal successors, (16878), 12519 states have internal predecessors, (16878), 3755 states have call successors, (3755), 510 states have call predecessors, (3755), 509 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-12-02 07:20:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16776 states to 16776 states and 24384 transitions. [2024-12-02 07:20:00,652 INFO L78 Accepts]: Start accepts. Automaton has 16776 states and 24384 transitions. Word has length 306 [2024-12-02 07:20:00,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:00,653 INFO L471 AbstractCegarLoop]: Abstraction has 16776 states and 24384 transitions. [2024-12-02 07:20:00,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 07:20:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 16776 states and 24384 transitions. [2024-12-02 07:20:00,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-12-02 07:20:00,659 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:00,660 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:00,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 07:20:00,660 INFO L396 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)] === [2024-12-02 07:20:00,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:00,660 INFO L85 PathProgramCache]: Analyzing trace with hash -298558099, now seen corresponding path program 1 times [2024-12-02 07:20:00,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:00,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648872845] [2024-12-02 07:20:00,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:00,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1566 trivial. 0 not checked. [2024-12-02 07:20:04,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:04,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648872845] [2024-12-02 07:20:04,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648872845] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:04,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:04,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:20:04,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466219504] [2024-12-02 07:20:04,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:04,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:20:04,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:04,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:20:04,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:20:04,659 INFO L87 Difference]: Start difference. First operand 16776 states and 24384 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 07:20:05,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:05,450 INFO L93 Difference]: Finished difference Result 16782 states and 24389 transitions. [2024-12-02 07:20:05,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:20:05,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 311 [2024-12-02 07:20:05,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:05,491 INFO L225 Difference]: With dead ends: 16782 [2024-12-02 07:20:05,491 INFO L226 Difference]: Without dead ends: 16780 [2024-12-02 07:20:05,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:20:05,497 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3729 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3730 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:05,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3730 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:20:05,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16780 states. [2024-12-02 07:20:06,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16780 to 16780. [2024-12-02 07:20:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16780 states, 12512 states have (on average 1.3491847826086956) internal successors, (16881), 12522 states have internal predecessors, (16881), 3755 states have call successors, (3755), 511 states have call predecessors, (3755), 510 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-12-02 07:20:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16780 states to 16780 states and 24387 transitions. [2024-12-02 07:20:06,194 INFO L78 Accepts]: Start accepts. Automaton has 16780 states and 24387 transitions. Word has length 311 [2024-12-02 07:20:06,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:06,194 INFO L471 AbstractCegarLoop]: Abstraction has 16780 states and 24387 transitions. [2024-12-02 07:20:06,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 07:20:06,194 INFO L276 IsEmpty]: Start isEmpty. Operand 16780 states and 24387 transitions. [2024-12-02 07:20:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-12-02 07:20:06,204 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:06,204 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:06,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 07:20:06,205 INFO L396 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)] === [2024-12-02 07:20:06,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:06,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1533395386, now seen corresponding path program 1 times [2024-12-02 07:20:06,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:06,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622621324] [2024-12-02 07:20:06,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:06,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2024-12-02 07:20:10,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:10,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622621324] [2024-12-02 07:20:10,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622621324] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:10,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:10,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:20:10,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609285418] [2024-12-02 07:20:10,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:10,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:20:10,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:10,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:20:10,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:20:10,207 INFO L87 Difference]: Start difference. First operand 16780 states and 24387 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 07:20:11,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:11,011 INFO L93 Difference]: Finished difference Result 16786 states and 24392 transitions. [2024-12-02 07:20:11,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:20:11,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 316 [2024-12-02 07:20:11,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:11,046 INFO L225 Difference]: With dead ends: 16786 [2024-12-02 07:20:11,046 INFO L226 Difference]: Without dead ends: 16784 [2024-12-02 07:20:11,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:20:11,053 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3728 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3729 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:11,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3729 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:20:11,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16784 states. [2024-12-02 07:20:11,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16784 to 16784. [2024-12-02 07:20:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16784 states, 12515 states have (on average 1.3491010787055533) internal successors, (16884), 12525 states have internal predecessors, (16884), 3755 states have call successors, (3755), 512 states have call predecessors, (3755), 511 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-12-02 07:20:11,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16784 states to 16784 states and 24390 transitions. [2024-12-02 07:20:11,733 INFO L78 Accepts]: Start accepts. Automaton has 16784 states and 24390 transitions. Word has length 316 [2024-12-02 07:20:11,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:11,734 INFO L471 AbstractCegarLoop]: Abstraction has 16784 states and 24390 transitions. [2024-12-02 07:20:11,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 07:20:11,734 INFO L276 IsEmpty]: Start isEmpty. Operand 16784 states and 24390 transitions. [2024-12-02 07:20:11,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-12-02 07:20:11,745 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:11,745 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:11,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 07:20:11,746 INFO L396 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)] === [2024-12-02 07:20:11,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:11,746 INFO L85 PathProgramCache]: Analyzing trace with hash -716630835, now seen corresponding path program 1 times [2024-12-02 07:20:11,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:11,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390891706] [2024-12-02 07:20:11,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:11,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:15,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1644 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1626 trivial. 0 not checked. [2024-12-02 07:20:15,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:15,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390891706] [2024-12-02 07:20:15,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390891706] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:15,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:15,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:20:15,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348371237] [2024-12-02 07:20:15,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:15,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:20:15,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:15,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:20:15,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:20:15,894 INFO L87 Difference]: Start difference. First operand 16784 states and 24390 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 07:20:16,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:16,754 INFO L93 Difference]: Finished difference Result 16860 states and 24444 transitions. [2024-12-02 07:20:16,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:20:16,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 321 [2024-12-02 07:20:16,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:16,794 INFO L225 Difference]: With dead ends: 16860 [2024-12-02 07:20:16,794 INFO L226 Difference]: Without dead ends: 16858 [2024-12-02 07:20:16,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:20:16,802 INFO L435 NwaCegarLoop]: 3807 mSDtfsCounter, 3575 mSDsluCounter, 7747 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3576 SdHoareTripleChecker+Valid, 11554 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:16,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3576 Valid, 11554 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:20:16,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16858 states. [2024-12-02 07:20:17,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16858 to 16858. [2024-12-02 07:20:17,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16858 states, 12567 states have (on average 1.3476565608339302) internal successors, (16936), 12577 states have internal predecessors, (16936), 3755 states have call successors, (3755), 534 states have call predecessors, (3755), 533 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-12-02 07:20:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16858 states to 16858 states and 24442 transitions. [2024-12-02 07:20:17,574 INFO L78 Accepts]: Start accepts. Automaton has 16858 states and 24442 transitions. Word has length 321 [2024-12-02 07:20:17,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:17,574 INFO L471 AbstractCegarLoop]: Abstraction has 16858 states and 24442 transitions. [2024-12-02 07:20:17,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 07:20:17,574 INFO L276 IsEmpty]: Start isEmpty. Operand 16858 states and 24442 transitions. [2024-12-02 07:20:17,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-12-02 07:20:17,583 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:17,583 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 17, 17, 17, 17, 17, 17, 11, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:17,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 07:20:17,584 INFO L396 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)] === [2024-12-02 07:20:17,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:17,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1706419020, now seen corresponding path program 1 times [2024-12-02 07:20:17,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:17,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969566675] [2024-12-02 07:20:17,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:17,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:21,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1839 trivial. 0 not checked. [2024-12-02 07:20:21,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:21,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969566675] [2024-12-02 07:20:21,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969566675] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:21,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:21,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:20:21,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658657975] [2024-12-02 07:20:21,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:21,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:20:21,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:21,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:20:21,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:20:21,861 INFO L87 Difference]: Start difference. First operand 16858 states and 24442 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 07:20:22,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:22,772 INFO L93 Difference]: Finished difference Result 16864 states and 24447 transitions. [2024-12-02 07:20:22,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:20:22,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 362 [2024-12-02 07:20:22,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:22,808 INFO L225 Difference]: With dead ends: 16864 [2024-12-02 07:20:22,808 INFO L226 Difference]: Without dead ends: 16860 [2024-12-02 07:20:22,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:20:22,813 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3720 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3721 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:22,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3721 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:20:22,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16860 states. [2024-12-02 07:20:23,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16860 to 16860. [2024-12-02 07:20:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16860 states, 12569 states have (on average 1.3475216803246082) internal successors, (16937), 12578 states have internal predecessors, (16937), 3755 states have call successors, (3755), 535 states have call predecessors, (3755), 533 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-12-02 07:20:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16860 states to 16860 states and 24443 transitions. [2024-12-02 07:20:23,580 INFO L78 Accepts]: Start accepts. Automaton has 16860 states and 24443 transitions. Word has length 362 [2024-12-02 07:20:23,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:23,580 INFO L471 AbstractCegarLoop]: Abstraction has 16860 states and 24443 transitions. [2024-12-02 07:20:23,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 07:20:23,581 INFO L276 IsEmpty]: Start isEmpty. Operand 16860 states and 24443 transitions. [2024-12-02 07:20:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-12-02 07:20:23,589 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:23,589 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 12, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:23,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 07:20:23,589 INFO L396 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)] === [2024-12-02 07:20:23,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1733936173, now seen corresponding path program 1 times [2024-12-02 07:20:23,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:23,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427222957] [2024-12-02 07:20:23,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:23,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1724 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2024-12-02 07:20:27,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:27,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427222957] [2024-12-02 07:20:27,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427222957] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:27,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:27,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:20:27,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294154865] [2024-12-02 07:20:27,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:27,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:20:27,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:27,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:20:27,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:20:27,492 INFO L87 Difference]: Start difference. First operand 16860 states and 24443 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 07:20:28,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:28,354 INFO L93 Difference]: Finished difference Result 16860 states and 24443 transitions. [2024-12-02 07:20:28,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:20:28,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 331 [2024-12-02 07:20:28,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:28,393 INFO L225 Difference]: With dead ends: 16860 [2024-12-02 07:20:28,393 INFO L226 Difference]: Without dead ends: 16747 [2024-12-02 07:20:28,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:20:28,400 INFO L435 NwaCegarLoop]: 3807 mSDtfsCounter, 3722 mSDsluCounter, 7598 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3722 SdHoareTripleChecker+Valid, 11405 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:28,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3722 Valid, 11405 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:20:28,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16747 states. [2024-12-02 07:20:29,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16747 to 16747. [2024-12-02 07:20:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16747 states, 12497 states have (on average 1.348883732095703) internal successors, (16857), 12500 states have internal predecessors, (16857), 3728 states have call successors, (3728), 520 states have call predecessors, (3728), 520 states have return successors, (3728), 3726 states have call predecessors, (3728), 3728 states have call successors, (3728) [2024-12-02 07:20:29,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16747 states to 16747 states and 24313 transitions. [2024-12-02 07:20:29,193 INFO L78 Accepts]: Start accepts. Automaton has 16747 states and 24313 transitions. Word has length 331 [2024-12-02 07:20:29,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:29,193 INFO L471 AbstractCegarLoop]: Abstraction has 16747 states and 24313 transitions. [2024-12-02 07:20:29,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 07:20:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 16747 states and 24313 transitions. [2024-12-02 07:20:29,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-12-02 07:20:29,201 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:29,201 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 17, 17, 17, 17, 17, 17, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 07:20:29,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 07:20:29,201 INFO L396 AbstractCegarLoop]: === Iteration 17 === 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)] === [2024-12-02 07:20:29,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:29,201 INFO L85 PathProgramCache]: Analyzing trace with hash -420582583, now seen corresponding path program 1 times [2024-12-02 07:20:29,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:29,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152670606] [2024-12-02 07:20:29,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:29,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1695 trivial. 0 not checked. [2024-12-02 07:20:32,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:32,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152670606] [2024-12-02 07:20:32,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152670606] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:32,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:32,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:20:32,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885414923] [2024-12-02 07:20:32,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:32,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:20:32,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:32,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:20:32,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:32,875 INFO L87 Difference]: Start difference. First operand 16747 states and 24313 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 07:20:36,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:20:38,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:38,032 INFO L93 Difference]: Finished difference Result 35965 states and 52205 transitions. [2024-12-02 07:20:38,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:20:38,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 334 [2024-12-02 07:20:38,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:38,090 INFO L225 Difference]: With dead ends: 35965 [2024-12-02 07:20:38,090 INFO L226 Difference]: Without dead ends: 21516 [2024-12-02 07:20:38,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:38,125 INFO L435 NwaCegarLoop]: 7292 mSDtfsCounter, 3617 mSDsluCounter, 3729 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3617 SdHoareTripleChecker+Valid, 11021 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:38,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3617 Valid, 11021 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 07:20:38,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21516 states. [2024-12-02 07:20:39,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21516 to 16747. [2024-12-02 07:20:39,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16747 states, 12497 states have (on average 1.348883732095703) internal successors, (16857), 12500 states have internal predecessors, (16857), 3728 states have call successors, (3728), 520 states have call predecessors, (3728), 520 states have return successors, (3728), 3726 states have call predecessors, (3728), 3728 states have call successors, (3728) [2024-12-02 07:20:39,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16747 states to 16747 states and 24313 transitions. [2024-12-02 07:20:39,076 INFO L78 Accepts]: Start accepts. Automaton has 16747 states and 24313 transitions. Word has length 334 [2024-12-02 07:20:39,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:39,076 INFO L471 AbstractCegarLoop]: Abstraction has 16747 states and 24313 transitions. [2024-12-02 07:20:39,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 07:20:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 16747 states and 24313 transitions. [2024-12-02 07:20:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-12-02 07:20:39,083 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:39,083 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 17, 17, 17, 17, 17, 17, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 07:20:39,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 07:20:39,083 INFO L396 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)] === [2024-12-02 07:20:39,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:39,084 INFO L85 PathProgramCache]: Analyzing trace with hash 140117195, now seen corresponding path program 1 times [2024-12-02 07:20:39,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:39,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630079469] [2024-12-02 07:20:39,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:39,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:42,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1695 trivial. 0 not checked. [2024-12-02 07:20:42,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:42,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630079469] [2024-12-02 07:20:42,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630079469] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:42,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:42,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:20:42,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110895170] [2024-12-02 07:20:42,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:42,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:20:42,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:42,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:20:42,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:42,815 INFO L87 Difference]: Start difference. First operand 16747 states and 24313 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 07:20:46,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:20:47,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:47,963 INFO L93 Difference]: Finished difference Result 35973 states and 52221 transitions. [2024-12-02 07:20:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:20:47,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 334 [2024-12-02 07:20:47,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:48,023 INFO L225 Difference]: With dead ends: 35973 [2024-12-02 07:20:48,023 INFO L226 Difference]: Without dead ends: 21530 [2024-12-02 07:20:48,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:48,059 INFO L435 NwaCegarLoop]: 7375 mSDtfsCounter, 3623 mSDsluCounter, 3725 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3623 SdHoareTripleChecker+Valid, 11100 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:48,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3623 Valid, 11100 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 07:20:48,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21530 states. [2024-12-02 07:20:49,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21530 to 21526. [2024-12-02 07:20:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21526 states, 16070 states have (on average 1.3490976975731177) internal successors, (21680), 16073 states have internal predecessors, (21680), 4786 states have call successors, (4786), 668 states have call predecessors, (4786), 668 states have return successors, (4786), 4784 states have call predecessors, (4786), 4786 states have call successors, (4786) [2024-12-02 07:20:49,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21526 states to 21526 states and 31252 transitions. [2024-12-02 07:20:49,177 INFO L78 Accepts]: Start accepts. Automaton has 21526 states and 31252 transitions. Word has length 334 [2024-12-02 07:20:49,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:49,178 INFO L471 AbstractCegarLoop]: Abstraction has 21526 states and 31252 transitions. [2024-12-02 07:20:49,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 07:20:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 21526 states and 31252 transitions. [2024-12-02 07:20:49,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-12-02 07:20:49,187 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:49,187 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 17, 17, 17, 17, 17, 17, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-12-02 07:20:49,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 07:20:49,187 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 07:20:49,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:49,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1495237521, now seen corresponding path program 1 times [2024-12-02 07:20:49,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:49,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491221144] [2024-12-02 07:20:49,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:49,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1837 trivial. 0 not checked. [2024-12-02 07:20:52,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:52,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491221144] [2024-12-02 07:20:52,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491221144] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:52,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:52,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:20:52,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473433557] [2024-12-02 07:20:52,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:52,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:20:52,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:52,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:20:52,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:52,736 INFO L87 Difference]: Start difference. First operand 21526 states and 31252 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 07:20:56,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:20:58,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:58,676 INFO L93 Difference]: Finished difference Result 50098 states and 72745 transitions. [2024-12-02 07:20:58,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:20:58,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 356 [2024-12-02 07:20:58,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:58,754 INFO L225 Difference]: With dead ends: 50098 [2024-12-02 07:20:58,754 INFO L226 Difference]: Without dead ends: 30876 [2024-12-02 07:20:58,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:58,795 INFO L435 NwaCegarLoop]: 7112 mSDtfsCounter, 3429 mSDsluCounter, 3668 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3429 SdHoareTripleChecker+Valid, 10780 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:58,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3429 Valid, 10780 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 07:20:58,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30876 states. [2024-12-02 07:21:00,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30876 to 30870. [2024-12-02 07:21:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30870 states, 23057 states have (on average 1.350522617860086) internal successors, (31139), 23062 states have internal predecessors, (31139), 6844 states have call successors, (6844), 967 states have call predecessors, (6844), 967 states have return successors, (6844), 6840 states have call predecessors, (6844), 6844 states have call successors, (6844) [2024-12-02 07:21:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30870 states to 30870 states and 44827 transitions. [2024-12-02 07:21:00,351 INFO L78 Accepts]: Start accepts. Automaton has 30870 states and 44827 transitions. Word has length 356 [2024-12-02 07:21:00,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:21:00,352 INFO L471 AbstractCegarLoop]: Abstraction has 30870 states and 44827 transitions. [2024-12-02 07:21:00,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 07:21:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 30870 states and 44827 transitions. [2024-12-02 07:21:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-12-02 07:21:00,366 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:00,366 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:21:00,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 07:21:00,366 INFO L396 AbstractCegarLoop]: === Iteration 20 === 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)] === [2024-12-02 07:21:00,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:00,366 INFO L85 PathProgramCache]: Analyzing trace with hash 812178296, now seen corresponding path program 1 times [2024-12-02 07:21:00,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:21:00,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443075372] [2024-12-02 07:21:00,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:00,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:21:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:04,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-12-02 07:21:04,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:21:04,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443075372] [2024-12-02 07:21:04,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443075372] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:21:04,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:21:04,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:21:04,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537653239] [2024-12-02 07:21:04,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:21:04,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:21:04,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:21:04,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:21:04,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:21:04,827 INFO L87 Difference]: Start difference. First operand 30870 states and 44827 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:21:08,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:11,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:21:11,618 INFO L93 Difference]: Finished difference Result 68594 states and 99603 transitions. [2024-12-02 07:21:11,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:21:11,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 381 [2024-12-02 07:21:11,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:21:11,728 INFO L225 Difference]: With dead ends: 68594 [2024-12-02 07:21:11,728 INFO L226 Difference]: Without dead ends: 40028 [2024-12-02 07:21:11,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:21:11,795 INFO L435 NwaCegarLoop]: 7112 mSDtfsCounter, 3355 mSDsluCounter, 17865 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3355 SdHoareTripleChecker+Valid, 24977 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:21:11,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3355 Valid, 24977 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 07:21:11,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40028 states. [2024-12-02 07:21:13,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40028 to 40014. [2024-12-02 07:21:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40014 states, 29848 states have (on average 1.3506432591798445) internal successors, (40314), 29855 states have internal predecessors, (40314), 8898 states have call successors, (8898), 1262 states have call predecessors, (8898), 1266 states have return successors, (8902), 8896 states have call predecessors, (8902), 8898 states have call successors, (8902) [2024-12-02 07:21:13,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40014 states to 40014 states and 58114 transitions. [2024-12-02 07:21:14,044 INFO L78 Accepts]: Start accepts. Automaton has 40014 states and 58114 transitions. Word has length 381 [2024-12-02 07:21:14,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:21:14,045 INFO L471 AbstractCegarLoop]: Abstraction has 40014 states and 58114 transitions. [2024-12-02 07:21:14,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:21:14,045 INFO L276 IsEmpty]: Start isEmpty. Operand 40014 states and 58114 transitions. [2024-12-02 07:21:14,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-12-02 07:21:14,069 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:14,069 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:21:14,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 07:21:14,069 INFO L396 AbstractCegarLoop]: === Iteration 21 === 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)] === [2024-12-02 07:21:14,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:14,070 INFO L85 PathProgramCache]: Analyzing trace with hash 197679621, now seen corresponding path program 1 times [2024-12-02 07:21:14,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:21:14,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675665486] [2024-12-02 07:21:14,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:14,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:21:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-12-02 07:21:17,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:21:17,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675665486] [2024-12-02 07:21:17,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675665486] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:21:17,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:21:17,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:21:17,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699542078] [2024-12-02 07:21:17,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:21:17,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:21:17,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:21:17,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:21:17,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:21:17,819 INFO L87 Difference]: Start difference. First operand 40014 states and 58114 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:21:21,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:24,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:21:24,899 INFO L93 Difference]: Finished difference Result 86890 states and 126193 transitions. [2024-12-02 07:21:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:21:24,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 382 [2024-12-02 07:21:24,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:21:25,072 INFO L225 Difference]: With dead ends: 86890 [2024-12-02 07:21:25,072 INFO L226 Difference]: Without dead ends: 49180 [2024-12-02 07:21:25,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:21:25,160 INFO L435 NwaCegarLoop]: 7116 mSDtfsCounter, 3357 mSDsluCounter, 17871 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3357 SdHoareTripleChecker+Valid, 24987 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:21:25,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3357 Valid, 24987 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 07:21:25,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49180 states. [2024-12-02 07:21:27,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49180 to 49166. [2024-12-02 07:21:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49166 states, 36647 states have (on average 1.3506426174038804) internal successors, (49497), 36656 states have internal predecessors, (49497), 10952 states have call successors, (10952), 1557 states have call predecessors, (10952), 1565 states have return successors, (10960), 10952 states have call predecessors, (10960), 10952 states have call successors, (10960) [2024-12-02 07:21:27,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49166 states to 49166 states and 71409 transitions. [2024-12-02 07:21:27,899 INFO L78 Accepts]: Start accepts. Automaton has 49166 states and 71409 transitions. Word has length 382 [2024-12-02 07:21:27,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:21:27,900 INFO L471 AbstractCegarLoop]: Abstraction has 49166 states and 71409 transitions. [2024-12-02 07:21:27,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:21:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 49166 states and 71409 transitions. [2024-12-02 07:21:27,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2024-12-02 07:21:27,918 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:27,918 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:21:27,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 07:21:27,918 INFO L396 AbstractCegarLoop]: === Iteration 22 === 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)] === [2024-12-02 07:21:27,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:27,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1183689877, now seen corresponding path program 1 times [2024-12-02 07:21:27,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:21:27,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260984894] [2024-12-02 07:21:27,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:27,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:21:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-12-02 07:21:32,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:21:32,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260984894] [2024-12-02 07:21:32,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260984894] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:21:32,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:21:32,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:21:32,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429438929] [2024-12-02 07:21:32,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:21:32,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:21:32,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:21:32,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:21:32,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:21:32,762 INFO L87 Difference]: Start difference. First operand 49166 states and 71409 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:21:36,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:40,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:21:40,453 INFO L93 Difference]: Finished difference Result 105206 states and 152807 transitions. [2024-12-02 07:21:40,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:21:40,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 383 [2024-12-02 07:21:40,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:21:40,641 INFO L225 Difference]: With dead ends: 105206 [2024-12-02 07:21:40,641 INFO L226 Difference]: Without dead ends: 58344 [2024-12-02 07:21:40,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:21:40,753 INFO L435 NwaCegarLoop]: 7115 mSDtfsCounter, 3368 mSDsluCounter, 17858 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3368 SdHoareTripleChecker+Valid, 24973 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:21:40,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3368 Valid, 24973 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 07:21:40,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58344 states. [2024-12-02 07:21:43,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58344 to 58330. [2024-12-02 07:21:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58330 states, 43458 states have (on average 1.350545354135027) internal successors, (58692), 43469 states have internal predecessors, (58692), 13006 states have call successors, (13006), 1852 states have call predecessors, (13006), 1864 states have return successors, (13018), 13008 states have call predecessors, (13018), 13006 states have call successors, (13018) [2024-12-02 07:21:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58330 states to 58330 states and 84716 transitions. [2024-12-02 07:21:43,989 INFO L78 Accepts]: Start accepts. Automaton has 58330 states and 84716 transitions. Word has length 383 [2024-12-02 07:21:43,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:21:43,990 INFO L471 AbstractCegarLoop]: Abstraction has 58330 states and 84716 transitions. [2024-12-02 07:21:43,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:21:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 58330 states and 84716 transitions. [2024-12-02 07:21:44,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2024-12-02 07:21:44,008 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:44,008 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:21:44,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 07:21:44,008 INFO L396 AbstractCegarLoop]: === Iteration 23 === 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)] === [2024-12-02 07:21:44,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:44,009 INFO L85 PathProgramCache]: Analyzing trace with hash 245869442, now seen corresponding path program 1 times [2024-12-02 07:21:44,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:21:44,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179878448] [2024-12-02 07:21:44,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:44,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:21:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:48,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-12-02 07:21:48,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:21:48,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179878448] [2024-12-02 07:21:48,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179878448] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:21:48,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:21:48,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:21:48,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110289665] [2024-12-02 07:21:48,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:21:48,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:21:48,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:21:48,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:21:48,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:21:48,341 INFO L87 Difference]: Start difference. First operand 58330 states and 84716 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:21:52,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:57,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:21:57,341 INFO L93 Difference]: Finished difference Result 123538 states and 179429 transitions. [2024-12-02 07:21:57,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:21:57,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 384 [2024-12-02 07:21:57,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:21:57,539 INFO L225 Difference]: With dead ends: 123538 [2024-12-02 07:21:57,539 INFO L226 Difference]: Without dead ends: 67512 [2024-12-02 07:21:57,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:21:57,656 INFO L435 NwaCegarLoop]: 7115 mSDtfsCounter, 3359 mSDsluCounter, 17867 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3359 SdHoareTripleChecker+Valid, 24982 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:21:57,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3359 Valid, 24982 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 143 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 07:21:57,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67512 states. [2024-12-02 07:22:01,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67512 to 67498. [2024-12-02 07:22:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67498 states, 50273 states have (on average 1.350446561772721) internal successors, (67891), 50286 states have internal predecessors, (67891), 15060 states have call successors, (15060), 2147 states have call predecessors, (15060), 2163 states have return successors, (15076), 15064 states have call predecessors, (15076), 15060 states have call successors, (15076) [2024-12-02 07:22:01,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67498 states to 67498 states and 98027 transitions. [2024-12-02 07:22:01,457 INFO L78 Accepts]: Start accepts. Automaton has 67498 states and 98027 transitions. Word has length 384 [2024-12-02 07:22:01,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:22:01,457 INFO L471 AbstractCegarLoop]: Abstraction has 67498 states and 98027 transitions. [2024-12-02 07:22:01,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:22:01,457 INFO L276 IsEmpty]: Start isEmpty. Operand 67498 states and 98027 transitions. [2024-12-02 07:22:01,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-12-02 07:22:01,477 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:01,477 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:22:01,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 07:22:01,477 INFO L396 AbstractCegarLoop]: === Iteration 24 === 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)] === [2024-12-02 07:22:01,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:01,478 INFO L85 PathProgramCache]: Analyzing trace with hash -201160270, now seen corresponding path program 1 times [2024-12-02 07:22:01,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:22:01,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33663610] [2024-12-02 07:22:01,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:01,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:22:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:22:05,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-12-02 07:22:05,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:22:05,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33663610] [2024-12-02 07:22:05,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33663610] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:22:05,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:22:05,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:22:05,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014267924] [2024-12-02 07:22:05,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:22:05,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:22:05,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:22:05,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:22:05,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:22:05,254 INFO L87 Difference]: Start difference. First operand 67498 states and 98027 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:22:09,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:13,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:22:13,893 INFO L93 Difference]: Finished difference Result 141878 states and 206059 transitions. [2024-12-02 07:22:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:22:13,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 385 [2024-12-02 07:22:13,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:22:14,136 INFO L225 Difference]: With dead ends: 141878 [2024-12-02 07:22:14,136 INFO L226 Difference]: Without dead ends: 76684 [2024-12-02 07:22:14,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:22:14,274 INFO L435 NwaCegarLoop]: 7115 mSDtfsCounter, 3357 mSDsluCounter, 17869 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3357 SdHoareTripleChecker+Valid, 24984 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:22:14,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3357 Valid, 24984 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 07:22:14,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76684 states. [2024-12-02 07:22:18,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76684 to 76670. [2024-12-02 07:22:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76670 states, 57092 states have (on average 1.3503468086597072) internal successors, (77094), 57107 states have internal predecessors, (77094), 17114 states have call successors, (17114), 2442 states have call predecessors, (17114), 2462 states have return successors, (17134), 17120 states have call predecessors, (17134), 17114 states have call successors, (17134) [2024-12-02 07:22:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76670 states to 76670 states and 111342 transitions. [2024-12-02 07:22:18,721 INFO L78 Accepts]: Start accepts. Automaton has 76670 states and 111342 transitions. Word has length 385 [2024-12-02 07:22:18,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:22:18,722 INFO L471 AbstractCegarLoop]: Abstraction has 76670 states and 111342 transitions. [2024-12-02 07:22:18,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:22:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 76670 states and 111342 transitions. [2024-12-02 07:22:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2024-12-02 07:22:18,742 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:18,742 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:22:18,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 07:22:18,743 INFO L396 AbstractCegarLoop]: === Iteration 25 === 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)] === [2024-12-02 07:22:18,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:18,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1681420543, now seen corresponding path program 1 times [2024-12-02 07:22:18,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:22:18,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586293954] [2024-12-02 07:22:18,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:18,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:22:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:22:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-12-02 07:22:22,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:22:22,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586293954] [2024-12-02 07:22:22,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586293954] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:22:22,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:22:22,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:22:22,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721214961] [2024-12-02 07:22:22,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:22:22,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:22:22,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:22:22,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:22:22,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:22:22,862 INFO L87 Difference]: Start difference. First operand 76670 states and 111342 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:22:26,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:32,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:22:32,131 INFO L93 Difference]: Finished difference Result 160226 states and 232697 transitions. [2024-12-02 07:22:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:22:32,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 386 [2024-12-02 07:22:32,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:22:32,382 INFO L225 Difference]: With dead ends: 160226 [2024-12-02 07:22:32,383 INFO L226 Difference]: Without dead ends: 85860 [2024-12-02 07:22:32,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:22:32,520 INFO L435 NwaCegarLoop]: 7115 mSDtfsCounter, 3357 mSDsluCounter, 17869 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3357 SdHoareTripleChecker+Valid, 24984 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:22:32,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3357 Valid, 24984 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 07:22:32,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85860 states. [2024-12-02 07:22:37,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85860 to 85846. [2024-12-02 07:22:37,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85846 states, 63915 states have (on average 1.3502464210279277) internal successors, (86301), 63932 states have internal predecessors, (86301), 19168 states have call successors, (19168), 2737 states have call predecessors, (19168), 2761 states have return successors, (19192), 19176 states have call predecessors, (19192), 19168 states have call successors, (19192) [2024-12-02 07:22:37,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85846 states to 85846 states and 124661 transitions. [2024-12-02 07:22:37,862 INFO L78 Accepts]: Start accepts. Automaton has 85846 states and 124661 transitions. Word has length 386 [2024-12-02 07:22:37,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:22:37,862 INFO L471 AbstractCegarLoop]: Abstraction has 85846 states and 124661 transitions. [2024-12-02 07:22:37,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:22:37,862 INFO L276 IsEmpty]: Start isEmpty. Operand 85846 states and 124661 transitions. [2024-12-02 07:22:37,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2024-12-02 07:22:37,887 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:37,887 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:22:37,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 07:22:37,887 INFO L396 AbstractCegarLoop]: === Iteration 26 === 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)] === [2024-12-02 07:22:37,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:37,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1527483697, now seen corresponding path program 1 times [2024-12-02 07:22:37,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:22:37,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024592440] [2024-12-02 07:22:37,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:37,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:22:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:22:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-12-02 07:22:42,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:22:42,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024592440] [2024-12-02 07:22:42,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024592440] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:22:42,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:22:42,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:22:42,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748354524] [2024-12-02 07:22:42,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:22:42,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:22:42,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:22:42,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:22:42,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:22:42,169 INFO L87 Difference]: Start difference. First operand 85846 states and 124661 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:22:46,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:51,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:22:51,755 INFO L93 Difference]: Finished difference Result 178582 states and 259343 transitions. [2024-12-02 07:22:51,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:22:51,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 387 [2024-12-02 07:22:51,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:22:52,087 INFO L225 Difference]: With dead ends: 178582 [2024-12-02 07:22:52,087 INFO L226 Difference]: Without dead ends: 95040 [2024-12-02 07:22:52,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:22:52,290 INFO L435 NwaCegarLoop]: 7115 mSDtfsCounter, 3357 mSDsluCounter, 17869 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3357 SdHoareTripleChecker+Valid, 24984 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:22:52,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3357 Valid, 24984 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 07:22:52,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95040 states. [2024-12-02 07:22:57,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95040 to 95026. [2024-12-02 07:22:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95026 states, 70742 states have (on average 1.3501455995024172) internal successors, (95512), 70761 states have internal predecessors, (95512), 21222 states have call successors, (21222), 3032 states have call predecessors, (21222), 3060 states have return successors, (21250), 21232 states have call predecessors, (21250), 21222 states have call successors, (21250) [2024-12-02 07:22:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95026 states to 95026 states and 137984 transitions. [2024-12-02 07:22:58,193 INFO L78 Accepts]: Start accepts. Automaton has 95026 states and 137984 transitions. Word has length 387 [2024-12-02 07:22:58,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:22:58,193 INFO L471 AbstractCegarLoop]: Abstraction has 95026 states and 137984 transitions. [2024-12-02 07:22:58,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:22:58,194 INFO L276 IsEmpty]: Start isEmpty. Operand 95026 states and 137984 transitions. [2024-12-02 07:22:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-12-02 07:22:58,218 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:58,218 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:22:58,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 07:22:58,218 INFO L396 AbstractCegarLoop]: === Iteration 27 === 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)] === [2024-12-02 07:22:58,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:58,219 INFO L85 PathProgramCache]: Analyzing trace with hash 636332668, now seen corresponding path program 1 times [2024-12-02 07:22:58,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:22:58,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222414081] [2024-12-02 07:22:58,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:58,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:23:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:23:02,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-12-02 07:23:02,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:23:02,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222414081] [2024-12-02 07:23:02,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222414081] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:23:02,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:23:02,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:23:02,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45378405] [2024-12-02 07:23:02,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:23:02,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:23:02,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:23:02,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:23:02,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:23:02,347 INFO L87 Difference]: Start difference. First operand 95026 states and 137984 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:23:06,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:23:12,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:23:12,783 INFO L93 Difference]: Finished difference Result 196946 states and 285997 transitions. [2024-12-02 07:23:12,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:23:12,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 388 [2024-12-02 07:23:12,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:23:13,174 INFO L225 Difference]: With dead ends: 196946 [2024-12-02 07:23:13,174 INFO L226 Difference]: Without dead ends: 104224 [2024-12-02 07:23:13,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:23:13,386 INFO L435 NwaCegarLoop]: 7115 mSDtfsCounter, 3360 mSDsluCounter, 17866 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3360 SdHoareTripleChecker+Valid, 24981 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:23:13,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3360 Valid, 24981 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 155 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 07:23:13,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104224 states. [2024-12-02 07:23:20,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104224 to 104210. [2024-12-02 07:23:20,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104210 states, 77573 states have (on average 1.3500444742371702) internal successors, (104727), 77594 states have internal predecessors, (104727), 23276 states have call successors, (23276), 3327 states have call predecessors, (23276), 3359 states have return successors, (23308), 23288 states have call predecessors, (23308), 23276 states have call successors, (23308) [2024-12-02 07:23:20,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104210 states to 104210 states and 151311 transitions. [2024-12-02 07:23:20,632 INFO L78 Accepts]: Start accepts. Automaton has 104210 states and 151311 transitions. Word has length 388 [2024-12-02 07:23:20,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:23:20,633 INFO L471 AbstractCegarLoop]: Abstraction has 104210 states and 151311 transitions. [2024-12-02 07:23:20,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:23:20,633 INFO L276 IsEmpty]: Start isEmpty. Operand 104210 states and 151311 transitions. [2024-12-02 07:23:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-12-02 07:23:20,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:23:20,658 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:23:20,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 07:23:20,659 INFO L396 AbstractCegarLoop]: === Iteration 28 === 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)] === [2024-12-02 07:23:20,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:23:20,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1850763244, now seen corresponding path program 1 times [2024-12-02 07:23:20,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:23:20,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797874835] [2024-12-02 07:23:20,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:23:20,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:23:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:23:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-12-02 07:23:25,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:23:25,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797874835] [2024-12-02 07:23:25,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797874835] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:23:25,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:23:25,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:23:25,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738153974] [2024-12-02 07:23:25,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:23:25,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:23:25,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:23:25,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:23:25,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:23:25,013 INFO L87 Difference]: Start difference. First operand 104210 states and 151311 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:23:29,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:23:35,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:23:35,867 INFO L93 Difference]: Finished difference Result 215318 states and 312659 transitions. [2024-12-02 07:23:35,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:23:35,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 389 [2024-12-02 07:23:35,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:23:36,254 INFO L225 Difference]: With dead ends: 215318 [2024-12-02 07:23:36,254 INFO L226 Difference]: Without dead ends: 113412 [2024-12-02 07:23:36,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:23:36,442 INFO L435 NwaCegarLoop]: 7058 mSDtfsCounter, 3371 mSDsluCounter, 17741 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3371 SdHoareTripleChecker+Valid, 24799 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:23:36,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3371 Valid, 24799 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 07:23:36,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113412 states. [2024-12-02 07:23:43,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113412 to 113398. [2024-12-02 07:23:43,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113398 states, 84408 states have (on average 1.3499431333522889) internal successors, (113946), 84431 states have internal predecessors, (113946), 25330 states have call successors, (25330), 3622 states have call predecessors, (25330), 3658 states have return successors, (25366), 25344 states have call predecessors, (25366), 25330 states have call successors, (25366) [2024-12-02 07:23:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113398 states to 113398 states and 164642 transitions. [2024-12-02 07:23:44,196 INFO L78 Accepts]: Start accepts. Automaton has 113398 states and 164642 transitions. Word has length 389 [2024-12-02 07:23:44,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:23:44,196 INFO L471 AbstractCegarLoop]: Abstraction has 113398 states and 164642 transitions. [2024-12-02 07:23:44,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:23:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 113398 states and 164642 transitions. [2024-12-02 07:23:44,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-12-02 07:23:44,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:23:44,226 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:23:44,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 07:23:44,226 INFO L396 AbstractCegarLoop]: === Iteration 29 === 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)] === [2024-12-02 07:23:44,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:23:44,227 INFO L85 PathProgramCache]: Analyzing trace with hash -595961863, now seen corresponding path program 1 times [2024-12-02 07:23:44,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:23:44,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016449481] [2024-12-02 07:23:44,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:23:44,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:23:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:23:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-12-02 07:23:48,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:23:48,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016449481] [2024-12-02 07:23:48,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016449481] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:23:48,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:23:48,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:23:48,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487831520] [2024-12-02 07:23:48,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:23:48,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:23:48,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:23:48,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:23:48,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:23:48,521 INFO L87 Difference]: Start difference. First operand 113398 states and 164642 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:23:52,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:23:59,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:23:59,443 INFO L93 Difference]: Finished difference Result 233698 states and 339329 transitions. [2024-12-02 07:23:59,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:23:59,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 390 [2024-12-02 07:23:59,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:00,277 INFO L225 Difference]: With dead ends: 233698 [2024-12-02 07:24:00,277 INFO L226 Difference]: Without dead ends: 122604 [2024-12-02 07:24:00,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:00,515 INFO L435 NwaCegarLoop]: 7108 mSDtfsCounter, 3369 mSDsluCounter, 17843 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3369 SdHoareTripleChecker+Valid, 24951 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:00,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3369 Valid, 24951 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 161 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 07:24:00,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122604 states. [2024-12-02 07:24:08,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122604 to 122590. [2024-12-02 07:24:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122590 states, 91247 states have (on average 1.3498416386292151) internal successors, (123169), 91272 states have internal predecessors, (123169), 27384 states have call successors, (27384), 3917 states have call predecessors, (27384), 3957 states have return successors, (27424), 27400 states have call predecessors, (27424), 27384 states have call successors, (27424) [2024-12-02 07:24:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122590 states to 122590 states and 177977 transitions. [2024-12-02 07:24:08,844 INFO L78 Accepts]: Start accepts. Automaton has 122590 states and 177977 transitions. Word has length 390 [2024-12-02 07:24:08,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:08,845 INFO L471 AbstractCegarLoop]: Abstraction has 122590 states and 177977 transitions. [2024-12-02 07:24:08,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:24:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand 122590 states and 177977 transitions. [2024-12-02 07:24:08,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-12-02 07:24:08,890 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:08,890 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:08,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 07:24:08,890 INFO L396 AbstractCegarLoop]: === Iteration 30 === 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)] === [2024-12-02 07:24:08,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:08,891 INFO L85 PathProgramCache]: Analyzing trace with hash -574396151, now seen corresponding path program 1 times [2024-12-02 07:24:08,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:08,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906520023] [2024-12-02 07:24:08,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:08,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-12-02 07:24:13,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:13,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906520023] [2024-12-02 07:24:13,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906520023] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:13,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:13,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:24:13,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318692606] [2024-12-02 07:24:13,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:13,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:24:13,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:13,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:24:13,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:13,484 INFO L87 Difference]: Start difference. First operand 122590 states and 177977 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:24:17,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:24,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:24,902 INFO L93 Difference]: Finished difference Result 252086 states and 366007 transitions. [2024-12-02 07:24:24,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:24:24,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 391 [2024-12-02 07:24:24,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:25,458 INFO L225 Difference]: With dead ends: 252086 [2024-12-02 07:24:25,458 INFO L226 Difference]: Without dead ends: 131800 [2024-12-02 07:24:25,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:25,732 INFO L435 NwaCegarLoop]: 7115 mSDtfsCounter, 3359 mSDsluCounter, 17867 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3359 SdHoareTripleChecker+Valid, 24982 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:25,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3359 Valid, 24982 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 164 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 07:24:25,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131800 states. [2024-12-02 07:24:33,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131800 to 131786. [2024-12-02 07:24:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131786 states, 98090 states have (on average 1.349740034662045) internal successors, (132396), 98117 states have internal predecessors, (132396), 29438 states have call successors, (29438), 4212 states have call predecessors, (29438), 4256 states have return successors, (29482), 29456 states have call predecessors, (29482), 29438 states have call successors, (29482) [2024-12-02 07:24:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131786 states to 131786 states and 191316 transitions. [2024-12-02 07:24:34,077 INFO L78 Accepts]: Start accepts. Automaton has 131786 states and 191316 transitions. Word has length 391 [2024-12-02 07:24:34,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:34,078 INFO L471 AbstractCegarLoop]: Abstraction has 131786 states and 191316 transitions. [2024-12-02 07:24:34,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 07:24:34,078 INFO L276 IsEmpty]: Start isEmpty. Operand 131786 states and 191316 transitions. [2024-12-02 07:24:34,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-12-02 07:24:34,108 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:34,109 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:34,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 07:24:34,109 INFO L396 AbstractCegarLoop]: === Iteration 31 === 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)] === [2024-12-02 07:24:34,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:34,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1345226378, now seen corresponding path program 1 times [2024-12-02 07:24:34,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:34,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357364243] [2024-12-02 07:24:34,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:34,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-12-02 07:24:38,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:38,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357364243] [2024-12-02 07:24:38,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357364243] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:38,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:38,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:24:38,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471031785] [2024-12-02 07:24:38,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:38,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:24:38,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:38,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:24:38,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:38,961 INFO L87 Difference]: Start difference. First operand 131786 states and 191316 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 07:24:45,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:45,255 INFO L93 Difference]: Finished difference Result 131786 states and 191316 transitions. [2024-12-02 07:24:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:24:45,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 392 [2024-12-02 07:24:45,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:45,677 INFO L225 Difference]: With dead ends: 131786 [2024-12-02 07:24:45,677 INFO L226 Difference]: Without dead ends: 131784 [2024-12-02 07:24:45,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:24:45,710 INFO L435 NwaCegarLoop]: 3748 mSDtfsCounter, 3487 mSDsluCounter, 7646 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3488 SdHoareTripleChecker+Valid, 11394 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:45,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3488 Valid, 11394 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:24:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131784 states. [2024-12-02 07:24:52,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131784 to 131784. [2024-12-02 07:24:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131784 states, 98089 states have (on average 1.3491624952848944) internal successors, (132338), 98115 states have internal predecessors, (132338), 29438 states have call successors, (29438), 4212 states have call predecessors, (29438), 4256 states have return successors, (29482), 29456 states have call predecessors, (29482), 29438 states have call successors, (29482) [2024-12-02 07:24:52,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131784 states to 131784 states and 191258 transitions. [2024-12-02 07:24:53,077 INFO L78 Accepts]: Start accepts. Automaton has 131784 states and 191258 transitions. Word has length 392 [2024-12-02 07:24:53,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:53,077 INFO L471 AbstractCegarLoop]: Abstraction has 131784 states and 191258 transitions. [2024-12-02 07:24:53,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 07:24:53,078 INFO L276 IsEmpty]: Start isEmpty. Operand 131784 states and 191258 transitions. [2024-12-02 07:24:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2024-12-02 07:24:53,138 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:53,139 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 7, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:53,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 07:24:53,139 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2024-12-02 07:24:53,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:53,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1212432701, now seen corresponding path program 1 times [2024-12-02 07:24:53,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:24:53,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686418529] [2024-12-02 07:24:53,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:53,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:24:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:57,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2050 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2050 trivial. 0 not checked. [2024-12-02 07:24:57,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:24:57,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686418529] [2024-12-02 07:24:57,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686418529] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:57,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:57,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:24:57,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131621729] [2024-12-02 07:24:57,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:57,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:24:57,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:24:57,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:24:57,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:57,772 INFO L87 Difference]: Start difference. First operand 131784 states and 191258 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 07:25:01,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:25:07,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:07,451 INFO L93 Difference]: Finished difference Result 131784 states and 191258 transitions. [2024-12-02 07:25:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:25:07,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 416 [2024-12-02 07:25:07,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:07,580 INFO L225 Difference]: With dead ends: 131784 [2024-12-02 07:25:07,580 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 07:25:07,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:25:07,808 INFO L435 NwaCegarLoop]: 3753 mSDtfsCounter, 147 mSDsluCounter, 11098 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 14851 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:07,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 14851 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 07:25:07,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 07:25:07,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 07:25:07,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:25:07,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 07:25:07,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 416 [2024-12-02 07:25:07,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:07,917 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:25:07,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 07:25:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 07:25:07,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 07:25:07,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-02 07:25:07,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-12-02 07:25:07,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-12-02 07:25:07,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 07:25:07,929 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:25:07,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 07:27:05,835 WARN L286 SmtUtils]: Spent 14.14s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:27:20,713 WARN L286 SmtUtils]: Spent 14.86s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:27:53,241 WARN L286 SmtUtils]: Spent 15.94s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:28:07,362 WARN L286 SmtUtils]: Spent 14.11s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:28:21,514 WARN L286 SmtUtils]: Spent 14.13s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:28:36,516 WARN L286 SmtUtils]: Spent 14.99s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:28:55,687 WARN L286 SmtUtils]: Spent 15.03s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:29:24,153 WARN L286 SmtUtils]: Spent 15.00s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:29:37,997 WARN L286 SmtUtils]: Spent 13.82s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:29:51,662 WARN L286 SmtUtils]: Spent 13.66s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:30:06,768 WARN L286 SmtUtils]: Spent 15.09s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:30:20,885 WARN L286 SmtUtils]: Spent 14.11s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:30:37,577 WARN L286 SmtUtils]: Spent 13.85s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:30:52,374 WARN L286 SmtUtils]: Spent 14.77s on a formula simplification. DAG size of input: 236 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:31:11,659 WARN L286 SmtUtils]: Spent 15.62s on a formula simplification. DAG size of input: 221 DAG size of output: 31 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)