./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-wireless-cw1200-cw1200_wlan_spi.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_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB --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 737f509bd25a9e06ce0273f44396be18568d5a5ccd53141342830e40e0488456 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:21:59,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:21:59,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 23:21:59,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:21:59,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:21:59,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:21:59,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:21:59,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:21:59,674 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:21:59,674 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:21:59,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:21:59,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:21:59,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:21:59,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:21:59,676 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:21:59,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:21:59,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:21:59,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:21:59,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:21:59,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:21:59,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:21:59,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:21:59,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:21:59,678 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:21:59,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:21:59,679 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:21:59,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:21:59,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:21:59,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:21:59,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:21:59,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:21:59,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:21:59,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:21:59,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:21:59,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:21:59,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:21:59,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:21:59,681 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:21:59,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:21:59,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:21:59,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:21:59,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:21:59,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:21:59,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:21:59,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:21:59,682 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_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 737f509bd25a9e06ce0273f44396be18568d5a5ccd53141342830e40e0488456 [2024-11-27 23:22:00,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:22:00,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:22:00,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:22:00,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:22:00,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:22:00,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i [2024-11-27 23:22:03,316 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/data/d6234cb70/bf989fd275414d5391c77b87a01b6f5c/FLAG8e14fa723 [2024-11-27 23:22:04,288 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:22:04,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i [2024-11-27 23:22:04,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/data/d6234cb70/bf989fd275414d5391c77b87a01b6f5c/FLAG8e14fa723 [2024-11-27 23:22:04,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/data/d6234cb70/bf989fd275414d5391c77b87a01b6f5c [2024-11-27 23:22:04,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:22:04,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:22:04,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:22:04,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:22:04,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:22:04,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:04" (1/1) ... [2024-11-27 23:22:04,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30dfe5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:04, skipping insertion in model container [2024-11-27 23:22:04,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:04" (1/1) ... [2024-11-27 23:22:04,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:22:07,093 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_8c89919f-a0a0-4839-9370-28b93fb845a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292189,292202] [2024-11-27 23:22:07,099 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_8c89919f-a0a0-4839-9370-28b93fb845a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292358,292371] [2024-11-27 23:22:07,100 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_8c89919f-a0a0-4839-9370-28b93fb845a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292525,292538] [2024-11-27 23:22:07,104 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_8c89919f-a0a0-4839-9370-28b93fb845a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292693,292706] [2024-11-27 23:22:07,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:22:07,145 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:22:07,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6219] [2024-11-27 23:22:07,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6222] [2024-11-27 23:22:07,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6225] [2024-11-27 23:22:07,413 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6228] [2024-11-27 23:22:07,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [6657-6658] [2024-11-27 23:22:07,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [6664-6665] [2024-11-27 23:22:07,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [6671-6672] [2024-11-27 23:22:07,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [6678-6679] [2024-11-27 23:22:07,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___4->state): : "memory", "cc"); [6722-6723] [2024-11-27 23:22:07,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___5->state): : "memory", "cc"); [6729-6730] [2024-11-27 23:22:07,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [6736-6737] [2024-11-27 23:22:07,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___7->state): : "memory", "cc"); [6743-6744] [2024-11-27 23:22:07,640 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_8c89919f-a0a0-4839-9370-28b93fb845a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292189,292202] [2024-11-27 23:22:07,641 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_8c89919f-a0a0-4839-9370-28b93fb845a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292358,292371] [2024-11-27 23:22:07,641 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_8c89919f-a0a0-4839-9370-28b93fb845a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292525,292538] [2024-11-27 23:22:07,642 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_8c89919f-a0a0-4839-9370-28b93fb845a0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i[292693,292706] [2024-11-27 23:22:07,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:22:07,854 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:22:07,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07 WrapperNode [2024-11-27 23:22:07,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:22:07,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:22:07,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:22:07,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:22:07,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:07,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:08,111 INFO L138 Inliner]: procedures = 327, calls = 936, calls flagged for inlining = 153, calls inlined = 140, statements flattened = 2787 [2024-11-27 23:22:08,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:22:08,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:22:08,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:22:08,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:22:08,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:08,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:08,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:08,946 INFO L175 MemorySlicer]: Split 272 memory accesses to 11 slices as follows [2, 52, 158, 14, 5, 25, 1, 2, 5, 6, 2]. 58 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [0, 0, 0, 0, 0, 0, 1, 2, 0, 6, 1]. The 123 writes are split as follows [1, 52, 26, 12, 5, 23, 0, 0, 4, 0, 0]. [2024-11-27 23:22:08,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:08,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:09,098 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:09,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:09,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:09,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:09,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:09,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:22:09,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:22:09,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:22:09,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:22:09,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (1/1) ... [2024-11-27 23:22:09,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:22:09,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:09,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:22:09,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c89919f-a0a0-4839-9370-28b93fb845a0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:22:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-27 23:22:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-27 23:22:09,316 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-11-27 23:22:09,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-11-27 23:22:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 23:22:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 23:22:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 23:22:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 23:22:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 23:22:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 23:22:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 23:22:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 23:22:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 23:22:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 23:22:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 23:22:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 23:22:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 23:22:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 23:22:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 23:22:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 23:22:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 23:22:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-27 23:22:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-27 23:22:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_request [2024-11-27 23:22:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_request [2024-11-27 23:22:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-11-27 23:22:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-11-27 23:22:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 23:22:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 23:22:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_irq_unsubscribe [2024-11-27 23:22:09,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_irq_unsubscribe [2024-11-27 23:22:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-27 23:22:09,323 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-27 23:22:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2024-11-27 23:22:09,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~int [2024-11-27 23:22:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_unlock [2024-11-27 23:22:09,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_unlock [2024-11-27 23:22:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 23:22:09,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 23:22:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2024-11-27 23:22:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2024-11-27 23:22:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:22:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2024-11-27 23:22:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2024-11-27 23:22:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 23:22:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 23:22:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 23:22:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 23:22:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 23:22:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 23:22:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 23:22:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 23:22:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 23:22:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 23:22:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 23:22:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-27 23:22:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-27 23:22:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 23:22:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 23:22:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hwbus_priv [2024-11-27 23:22:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hwbus_priv [2024-11-27 23:22:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:22:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 23:22:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 23:22:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 23:22:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 23:22:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 23:22:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 23:22:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 23:22:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 23:22:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 23:22:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 23:22:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 23:22:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 23:22:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 23:22:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-11-27 23:22:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-11-27 23:22:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-27 23:22:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-27 23:22:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-27 23:22:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-27 23:22:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-27 23:22:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-27 23:22:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-27 23:22:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-27 23:22:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_probe [2024-11-27 23:22:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_probe [2024-11-27 23:22:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 23:22:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 23:22:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 23:22:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 23:22:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 23:22:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 23:22:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 23:22:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-27 23:22:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 23:22:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 23:22:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 23:22:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 23:22:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 23:22:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2024-11-27 23:22:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2024-11-27 23:22:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-27 23:22:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-27 23:22:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 23:22:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 23:22:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:22:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:22:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:22:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:22:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:22:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:22:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 23:22:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 23:22:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 23:22:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 23:22:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 23:22:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_disconnect [2024-11-27 23:22:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_disconnect [2024-11-27 23:22:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-27 23:22:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-27 23:22:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 23:22:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 23:22:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2024-11-27 23:22:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2024-11-27 23:22:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2024-11-27 23:22:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2024-11-27 23:22:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-27 23:22:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-27 23:22:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_off [2024-11-27 23:22:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_off [2024-11-27 23:22:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:22:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-27 23:22:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-27 23:22:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-27 23:22:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-27 23:22:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-11-27 23:22:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-11-27 23:22:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:22:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 23:22:09,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 23:22:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 23:22:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 23:22:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 23:22:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 23:22:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 23:22:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 23:22:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 23:22:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 23:22:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 23:22:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 23:22:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 23:22:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-11-27 23:22:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-11-27 23:22:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 23:22:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 23:22:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-27 23:22:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-27 23:22:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2024-11-27 23:22:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2024-11-27 23:22:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-27 23:22:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-27 23:22:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-27 23:22:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-27 23:22:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_lock [2024-11-27 23:22:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_lock [2024-11-27 23:22:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-27 23:22:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-27 23:22:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_resume [2024-11-27 23:22:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_resume [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_spi_driver_exit_9_2 [2024-11-27 23:22:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_spi_driver_exit_9_2 [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure cw1200_spi_pm [2024-11-27 23:22:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cw1200_spi_pm [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 23:22:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 23:22:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-27 23:22:09,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-27 23:22:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:22:09,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:22:10,305 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:22:10,309 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:22:10,359 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 23:22:21,885 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-27 23:22:22,900 INFO L? ?]: Removed 1137 outVars from TransFormulas that were not future-live. [2024-11-27 23:22:22,901 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:22:22,936 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:22:22,937 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-27 23:22:22,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:22:22 BoogieIcfgContainer [2024-11-27 23:22:22,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:22:22,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:22:22,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:22:22,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:22:22,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:22:04" (1/3) ... [2024-11-27 23:22:22,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cceb84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:22:22, skipping insertion in model container [2024-11-27 23:22:22,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:07" (2/3) ... [2024-11-27 23:22:22,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cceb84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:22:22, skipping insertion in model container [2024-11-27 23:22:22,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:22:22" (3/3) ... [2024-11-27 23:22:22,948 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i [2024-11-27 23:22:22,965 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:22:22,968 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i that has 54 procedures, 1085 locations, 1 initial locations, 1 loop locations, and 3 error locations. [2024-11-27 23:22:23,094 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:22:23,112 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;@c90abd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:22:23,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-27 23:22:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 1083 states, 774 states have (on average 1.2803617571059431) internal successors, (991), 786 states have internal predecessors, (991), 256 states have call successors, (256), 53 states have call predecessors, (256), 52 states have return successors, (247), 246 states have call predecessors, (247), 247 states have call successors, (247) [2024-11-27 23:22:23,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-27 23:22:23,148 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:23,149 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:23,149 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:22:23,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:23,155 INFO L85 PathProgramCache]: Analyzing trace with hash 497895914, now seen corresponding path program 1 times [2024-11-27 23:22:23,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:23,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569303605] [2024-11-27 23:22:23,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:23,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-27 23:22:24,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:24,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569303605] [2024-11-27 23:22:24,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569303605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:24,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:24,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:22:24,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277936988] [2024-11-27 23:22:24,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:24,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:22:24,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:24,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:22:24,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:22:24,567 INFO L87 Difference]: Start difference. First operand has 1083 states, 774 states have (on average 1.2803617571059431) internal successors, (991), 786 states have internal predecessors, (991), 256 states have call successors, (256), 53 states have call predecessors, (256), 52 states have return successors, (247), 246 states have call predecessors, (247), 247 states have call successors, (247) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 23:22:26,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:22:27,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:27,675 INFO L93 Difference]: Finished difference Result 2952 states and 4147 transitions. [2024-11-27 23:22:27,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:22:27,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 151 [2024-11-27 23:22:27,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:27,723 INFO L225 Difference]: With dead ends: 2952 [2024-11-27 23:22:27,723 INFO L226 Difference]: Without dead ends: 1880 [2024-11-27 23:22:27,733 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 [2024-11-27 23:22:27,737 INFO L435 NwaCegarLoop]: 1536 mSDtfsCounter, 1121 mSDsluCounter, 1349 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:27,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 2885 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-27 23:22:27,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2024-11-27 23:22:27,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1853. [2024-11-27 23:22:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1853 states, 1335 states have (on average 1.247940074906367) internal successors, (1666), 1362 states have internal predecessors, (1666), 418 states have call successors, (418), 98 states have call predecessors, (418), 97 states have return successors, (414), 408 states have call predecessors, (414), 414 states have call successors, (414) [2024-11-27 23:22:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2498 transitions. [2024-11-27 23:22:28,029 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2498 transitions. Word has length 151 [2024-11-27 23:22:28,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:28,031 INFO L471 AbstractCegarLoop]: Abstraction has 1853 states and 2498 transitions. [2024-11-27 23:22:28,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 23:22:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2498 transitions. [2024-11-27 23:22:28,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-27 23:22:28,039 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:28,039 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:28,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:22:28,039 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:22:28,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:28,040 INFO L85 PathProgramCache]: Analyzing trace with hash 444234944, now seen corresponding path program 1 times [2024-11-27 23:22:28,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:28,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742587891] [2024-11-27 23:22:28,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:28,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-27 23:22:28,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:28,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742587891] [2024-11-27 23:22:28,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742587891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:28,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:28,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:22:28,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123870395] [2024-11-27 23:22:28,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:28,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:22:28,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:28,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:22:28,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:22:28,638 INFO L87 Difference]: Start difference. First operand 1853 states and 2498 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-27 23:22:29,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:22:30,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:30,084 INFO L93 Difference]: Finished difference Result 5358 states and 7217 transitions. [2024-11-27 23:22:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:22:30,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 151 [2024-11-27 23:22:30,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:30,129 INFO L225 Difference]: With dead ends: 5358 [2024-11-27 23:22:30,129 INFO L226 Difference]: Without dead ends: 3532 [2024-11-27 23:22:30,141 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 [2024-11-27 23:22:30,144 INFO L435 NwaCegarLoop]: 1435 mSDtfsCounter, 1279 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:30,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 2798 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 23:22:30,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3532 states. [2024-11-27 23:22:30,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3532 to 3528. [2024-11-27 23:22:30,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3528 states, 2562 states have (on average 1.2478532396565183) internal successors, (3197), 2608 states have internal predecessors, (3197), 772 states have call successors, (772), 192 states have call predecessors, (772), 191 states have return successors, (768), 759 states have call predecessors, (768), 768 states have call successors, (768) [2024-11-27 23:22:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3528 states and 4737 transitions. [2024-11-27 23:22:30,436 INFO L78 Accepts]: Start accepts. Automaton has 3528 states and 4737 transitions. Word has length 151 [2024-11-27 23:22:30,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:30,438 INFO L471 AbstractCegarLoop]: Abstraction has 3528 states and 4737 transitions. [2024-11-27 23:22:30,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-27 23:22:30,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 4737 transitions. [2024-11-27 23:22:30,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-27 23:22:30,444 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:30,445 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:30,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:22:30,445 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:22:30,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:30,449 INFO L85 PathProgramCache]: Analyzing trace with hash 704418550, now seen corresponding path program 1 times [2024-11-27 23:22:30,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:30,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987372695] [2024-11-27 23:22:30,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:30,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-27 23:22:30,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:30,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987372695] [2024-11-27 23:22:30,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987372695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:30,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:30,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:22:30,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155182346] [2024-11-27 23:22:30,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:30,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:22:30,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:30,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:22:30,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:22:30,853 INFO L87 Difference]: Start difference. First operand 3528 states and 4737 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 23:22:32,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:22:32,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:32,773 INFO L93 Difference]: Finished difference Result 8391 states and 11240 transitions. [2024-11-27 23:22:32,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:22:32,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 157 [2024-11-27 23:22:32,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:32,825 INFO L225 Difference]: With dead ends: 8391 [2024-11-27 23:22:32,826 INFO L226 Difference]: Without dead ends: 4890 [2024-11-27 23:22:32,846 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 [2024-11-27 23:22:32,847 INFO L435 NwaCegarLoop]: 1437 mSDtfsCounter, 1195 mSDsluCounter, 1381 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:32,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 2818 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 23:22:32,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4890 states. [2024-11-27 23:22:33,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4890 to 4861. [2024-11-27 23:22:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4861 states, 3507 states have (on average 1.2375249500998005) internal successors, (4340), 3582 states have internal predecessors, (4340), 1074 states have call successors, (1074), 278 states have call predecessors, (1074), 277 states have return successors, (1070), 1048 states have call predecessors, (1070), 1070 states have call successors, (1070) [2024-11-27 23:22:33,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 4861 states and 6484 transitions. [2024-11-27 23:22:33,243 INFO L78 Accepts]: Start accepts. Automaton has 4861 states and 6484 transitions. Word has length 157 [2024-11-27 23:22:33,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:33,244 INFO L471 AbstractCegarLoop]: Abstraction has 4861 states and 6484 transitions. [2024-11-27 23:22:33,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-27 23:22:33,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4861 states and 6484 transitions. [2024-11-27 23:22:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-27 23:22:33,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:33,250 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:33,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:22:33,250 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:22:33,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:33,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1254314602, now seen corresponding path program 1 times [2024-11-27 23:22:33,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:33,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449870209] [2024-11-27 23:22:33,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:33,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-11-27 23:22:33,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:33,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449870209] [2024-11-27 23:22:33,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449870209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:33,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:33,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:22:33,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648313080] [2024-11-27 23:22:33,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:33,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:22:33,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:33,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:22:33,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:22:33,607 INFO L87 Difference]: Start difference. First operand 4861 states and 6484 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-27 23:22:34,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:22:35,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:35,353 INFO L93 Difference]: Finished difference Result 14119 states and 19076 transitions. [2024-11-27 23:22:35,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:22:35,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 163 [2024-11-27 23:22:35,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:35,434 INFO L225 Difference]: With dead ends: 14119 [2024-11-27 23:22:35,435 INFO L226 Difference]: Without dead ends: 9285 [2024-11-27 23:22:35,461 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 [2024-11-27 23:22:35,462 INFO L435 NwaCegarLoop]: 1456 mSDtfsCounter, 1369 mSDsluCounter, 1378 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:35,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1369 Valid, 2834 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 23:22:35,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9285 states. [2024-11-27 23:22:36,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9285 to 9248. [2024-11-27 23:22:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9248 states, 6684 states have (on average 1.2410233393177739) internal successors, (8295), 6844 states have internal predecessors, (8295), 2042 states have call successors, (2042), 532 states have call predecessors, (2042), 519 states have return successors, (2224), 1955 states have call predecessors, (2224), 2038 states have call successors, (2224) [2024-11-27 23:22:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9248 states to 9248 states and 12561 transitions. [2024-11-27 23:22:36,121 INFO L78 Accepts]: Start accepts. Automaton has 9248 states and 12561 transitions. Word has length 163 [2024-11-27 23:22:36,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:36,121 INFO L471 AbstractCegarLoop]: Abstraction has 9248 states and 12561 transitions. [2024-11-27 23:22:36,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-27 23:22:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 9248 states and 12561 transitions. [2024-11-27 23:22:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-27 23:22:36,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:36,131 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 11, 11, 11, 11, 11, 11, 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] [2024-11-27 23:22:36,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:22:36,131 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-27 23:22:36,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:36,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1586530598, now seen corresponding path program 1 times [2024-11-27 23:22:36,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:36,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941198237] [2024-11-27 23:22:36,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:36,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2024-11-27 23:22:36,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:36,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941198237] [2024-11-27 23:22:36,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941198237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:36,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:36,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:22:36,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952770937] [2024-11-27 23:22:36,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:36,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:22:36,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:36,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:22:36,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:22:36,504 INFO L87 Difference]: Start difference. First operand 9248 states and 12561 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-27 23:22:40,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:22:41,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:41,287 INFO L93 Difference]: Finished difference Result 22807 states and 30853 transitions. [2024-11-27 23:22:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:22:41,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 175 [2024-11-27 23:22:41,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:41,414 INFO L225 Difference]: With dead ends: 22807 [2024-11-27 23:22:41,414 INFO L226 Difference]: Without dead ends: 13586 [2024-11-27 23:22:41,451 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 [2024-11-27 23:22:41,453 INFO L435 NwaCegarLoop]: 1717 mSDtfsCounter, 1271 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 3092 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:41,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 3092 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-27 23:22:41,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13586 states. [2024-11-27 23:22:42,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13586 to 13545. [2024-11-27 23:22:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13545 states, 9798 states have (on average 1.2308634415186772) internal successors, (12060), 10058 states have internal predecessors, (12060), 2948 states have call successors, (2948), 815 states have call predecessors, (2948), 796 states have return successors, (3173), 2797 states have call predecessors, (3173), 2944 states have call successors, (3173) [2024-11-27 23:22:42,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13545 states to 13545 states and 18181 transitions. [2024-11-27 23:22:42,251 INFO L78 Accepts]: Start accepts. Automaton has 13545 states and 18181 transitions. Word has length 175 [2024-11-27 23:22:42,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:42,251 INFO L471 AbstractCegarLoop]: Abstraction has 13545 states and 18181 transitions. [2024-11-27 23:22:42,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-27 23:22:42,253 INFO L276 IsEmpty]: Start isEmpty. Operand 13545 states and 18181 transitions. [2024-11-27 23:22:42,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-27 23:22:42,257 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:42,258 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 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] [2024-11-27 23:22:42,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:22:42,258 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)] === [2024-11-27 23:22:42,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:42,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2113638291, now seen corresponding path program 1 times [2024-11-27 23:22:42,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:42,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363299103] [2024-11-27 23:22:42,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:42,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:42,514 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-11-27 23:22:42,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:42,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363299103] [2024-11-27 23:22:42,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363299103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:42,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:42,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:22:42,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23832196] [2024-11-27 23:22:42,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:42,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:22:42,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:42,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:22:42,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:22:42,516 INFO L87 Difference]: Start difference. First operand 13545 states and 18181 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-27 23:22:44,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:22:45,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:45,989 INFO L93 Difference]: Finished difference Result 37494 states and 50480 transitions. [2024-11-27 23:22:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:22:45,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 209 [2024-11-27 23:22:45,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:46,202 INFO L225 Difference]: With dead ends: 37494 [2024-11-27 23:22:46,202 INFO L226 Difference]: Without dead ends: 24949 [2024-11-27 23:22:46,263 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 [2024-11-27 23:22:46,264 INFO L435 NwaCegarLoop]: 2671 mSDtfsCounter, 1252 mSDsluCounter, 1389 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 4060 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:46,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 4060 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-27 23:22:46,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24949 states. [2024-11-27 23:22:47,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24949 to 24945. [2024-11-27 23:22:47,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24945 states, 18134 states have (on average 1.231167971765744) internal successors, (22326), 18554 states have internal predecessors, (22326), 5344 states have call successors, (5344), 1499 states have call predecessors, (5344), 1464 states have return successors, (5795), 5129 states have call predecessors, (5795), 5340 states have call successors, (5795) [2024-11-27 23:22:47,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24945 states to 24945 states and 33465 transitions. [2024-11-27 23:22:47,591 INFO L78 Accepts]: Start accepts. Automaton has 24945 states and 33465 transitions. Word has length 209 [2024-11-27 23:22:47,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:47,592 INFO L471 AbstractCegarLoop]: Abstraction has 24945 states and 33465 transitions. [2024-11-27 23:22:47,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-27 23:22:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 24945 states and 33465 transitions. [2024-11-27 23:22:47,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-27 23:22:47,597 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:47,597 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 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] [2024-11-27 23:22:47,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:22:47,598 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)] === [2024-11-27 23:22:47,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:47,598 INFO L85 PathProgramCache]: Analyzing trace with hash -190410257, now seen corresponding path program 1 times [2024-11-27 23:22:47,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:47,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82111311] [2024-11-27 23:22:47,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:47,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:48,440 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2024-11-27 23:22:48,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:48,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82111311] [2024-11-27 23:22:48,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82111311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:48,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:48,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:22:48,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864449713] [2024-11-27 23:22:48,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:48,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:22:48,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:48,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:22:48,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:22:48,444 INFO L87 Difference]: Start difference. First operand 24945 states and 33465 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 23:22:49,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:49,583 INFO L93 Difference]: Finished difference Result 24951 states and 33470 transitions. [2024-11-27 23:22:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:22:49,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 209 [2024-11-27 23:22:49,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:49,734 INFO L225 Difference]: With dead ends: 24951 [2024-11-27 23:22:49,734 INFO L226 Difference]: Without dead ends: 24949 [2024-11-27 23:22:49,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:22:49,748 INFO L435 NwaCegarLoop]: 1419 mSDtfsCounter, 1365 mSDsluCounter, 2825 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 4244 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:49,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 4244 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:22:49,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24949 states. [2024-11-27 23:22:51,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24949 to 24949. [2024-11-27 23:22:51,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24949 states, 18137 states have (on average 1.2311297347962729) internal successors, (22329), 18557 states have internal predecessors, (22329), 5344 states have call successors, (5344), 1500 states have call predecessors, (5344), 1465 states have return successors, (5795), 5129 states have call predecessors, (5795), 5340 states have call successors, (5795) [2024-11-27 23:22:51,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24949 states to 24949 states and 33468 transitions. [2024-11-27 23:22:51,563 INFO L78 Accepts]: Start accepts. Automaton has 24949 states and 33468 transitions. Word has length 209 [2024-11-27 23:22:51,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:51,564 INFO L471 AbstractCegarLoop]: Abstraction has 24949 states and 33468 transitions. [2024-11-27 23:22:51,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-27 23:22:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 24949 states and 33468 transitions. [2024-11-27 23:22:51,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-27 23:22:51,571 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:51,571 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-11-27 23:22:51,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:22:51,572 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)] === [2024-11-27 23:22:51,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:51,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1832737645, now seen corresponding path program 1 times [2024-11-27 23:22:51,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:51,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351246730] [2024-11-27 23:22:51,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:51,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:52,399 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2024-11-27 23:22:52,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:52,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351246730] [2024-11-27 23:22:52,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351246730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:52,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:52,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:22:52,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473001045] [2024-11-27 23:22:52,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:52,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:22:52,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:52,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:22:52,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:22:52,403 INFO L87 Difference]: Start difference. First operand 24949 states and 33468 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-27 23:22:53,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:53,605 INFO L93 Difference]: Finished difference Result 24955 states and 33473 transitions. [2024-11-27 23:22:53,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:22:53,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 214 [2024-11-27 23:22:53,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:53,756 INFO L225 Difference]: With dead ends: 24955 [2024-11-27 23:22:53,757 INFO L226 Difference]: Without dead ends: 24953 [2024-11-27 23:22:53,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:22:53,772 INFO L435 NwaCegarLoop]: 1422 mSDtfsCounter, 1361 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:53,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 4248 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:22:53,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24953 states. [2024-11-27 23:22:55,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24953 to 24953. [2024-11-27 23:22:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24953 states, 18140 states have (on average 1.2310915104740905) internal successors, (22332), 18560 states have internal predecessors, (22332), 5344 states have call successors, (5344), 1501 states have call predecessors, (5344), 1466 states have return successors, (5795), 5129 states have call predecessors, (5795), 5340 states have call successors, (5795) [2024-11-27 23:22:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24953 states to 24953 states and 33471 transitions. [2024-11-27 23:22:55,219 INFO L78 Accepts]: Start accepts. Automaton has 24953 states and 33471 transitions. Word has length 214 [2024-11-27 23:22:55,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:55,220 INFO L471 AbstractCegarLoop]: Abstraction has 24953 states and 33471 transitions. [2024-11-27 23:22:55,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-27 23:22:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 24953 states and 33471 transitions. [2024-11-27 23:22:55,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-27 23:22:55,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:55,225 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-11-27 23:22:55,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:22:55,226 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)] === [2024-11-27 23:22:55,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:55,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1214519185, now seen corresponding path program 1 times [2024-11-27 23:22:55,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:55,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706349268] [2024-11-27 23:22:55,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:55,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2024-11-27 23:22:55,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:55,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706349268] [2024-11-27 23:22:55,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706349268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:55,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:55,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:22:55,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040026799] [2024-11-27 23:22:55,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:55,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:22:55,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:55,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:22:55,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:22:55,786 INFO L87 Difference]: Start difference. First operand 24953 states and 33471 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-27 23:22:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:56,900 INFO L93 Difference]: Finished difference Result 24959 states and 33476 transitions. [2024-11-27 23:22:56,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:22:56,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 219 [2024-11-27 23:22:56,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:57,065 INFO L225 Difference]: With dead ends: 24959 [2024-11-27 23:22:57,065 INFO L226 Difference]: Without dead ends: 24957 [2024-11-27 23:22:57,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:22:57,081 INFO L435 NwaCegarLoop]: 1422 mSDtfsCounter, 1360 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:57,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 4248 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:22:57,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24957 states. [2024-11-27 23:22:59,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24957 to 24957. [2024-11-27 23:22:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24957 states, 18143 states have (on average 1.2310532987929228) internal successors, (22335), 18563 states have internal predecessors, (22335), 5344 states have call successors, (5344), 1502 states have call predecessors, (5344), 1467 states have return successors, (5795), 5129 states have call predecessors, (5795), 5340 states have call successors, (5795) [2024-11-27 23:22:59,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24957 states to 24957 states and 33474 transitions. [2024-11-27 23:22:59,337 INFO L78 Accepts]: Start accepts. Automaton has 24957 states and 33474 transitions. Word has length 219 [2024-11-27 23:22:59,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:59,337 INFO L471 AbstractCegarLoop]: Abstraction has 24957 states and 33474 transitions. [2024-11-27 23:22:59,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-27 23:22:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 24957 states and 33474 transitions. [2024-11-27 23:22:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-11-27 23:22:59,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:59,346 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-11-27 23:22:59,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:22:59,347 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)] === [2024-11-27 23:22:59,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:59,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1479106163, now seen corresponding path program 1 times [2024-11-27 23:22:59,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:59,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116210010] [2024-11-27 23:22:59,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:59,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2024-11-27 23:22:59,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:59,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116210010] [2024-11-27 23:22:59,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116210010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:59,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:59,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:22:59,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139160355] [2024-11-27 23:22:59,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:59,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:22:59,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:59,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:22:59,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:22:59,777 INFO L87 Difference]: Start difference. First operand 24957 states and 33474 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-27 23:23:01,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:23:04,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:04,237 INFO L93 Difference]: Finished difference Result 60364 states and 81135 transitions. [2024-11-27 23:23:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:23:04,238 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 235 [2024-11-27 23:23:04,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:04,475 INFO L225 Difference]: With dead ends: 60364 [2024-11-27 23:23:04,476 INFO L226 Difference]: Without dead ends: 36407 [2024-11-27 23:23:04,562 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 [2024-11-27 23:23:04,564 INFO L435 NwaCegarLoop]: 2672 mSDtfsCounter, 1284 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 4063 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:04,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1284 Valid, 4063 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-27 23:23:04,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36407 states. [2024-11-27 23:23:06,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36407 to 36373. [2024-11-27 23:23:06,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36373 states, 26495 states have (on average 1.2310624646159654) internal successors, (32617), 27075 states have internal predecessors, (32617), 7740 states have call successors, (7740), 2186 states have call predecessors, (7740), 2135 states have return successors, (8417), 7461 states have call predecessors, (8417), 7736 states have call successors, (8417) [2024-11-27 23:23:06,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36373 states to 36373 states and 48774 transitions. [2024-11-27 23:23:06,787 INFO L78 Accepts]: Start accepts. Automaton has 36373 states and 48774 transitions. Word has length 235 [2024-11-27 23:23:06,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:06,788 INFO L471 AbstractCegarLoop]: Abstraction has 36373 states and 48774 transitions. [2024-11-27 23:23:06,789 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-27 23:23:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 36373 states and 48774 transitions. [2024-11-27 23:23:06,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-27 23:23:06,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:06,796 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-11-27 23:23:06,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:23:06,797 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)] === [2024-11-27 23:23:06,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:06,798 INFO L85 PathProgramCache]: Analyzing trace with hash -690731923, now seen corresponding path program 1 times [2024-11-27 23:23:06,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:06,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185871949] [2024-11-27 23:23:06,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:06,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:07,442 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2024-11-27 23:23:07,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:07,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185871949] [2024-11-27 23:23:07,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185871949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:07,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:07,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:23:07,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370608954] [2024-11-27 23:23:07,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:07,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:23:07,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:07,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:23:07,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:23:07,449 INFO L87 Difference]: Start difference. First operand 36373 states and 48774 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:23:09,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:09,474 INFO L93 Difference]: Finished difference Result 36379 states and 48779 transitions. [2024-11-27 23:23:09,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:23:09,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 224 [2024-11-27 23:23:09,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:09,770 INFO L225 Difference]: With dead ends: 36379 [2024-11-27 23:23:09,770 INFO L226 Difference]: Without dead ends: 36377 [2024-11-27 23:23:09,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:23:09,786 INFO L435 NwaCegarLoop]: 1422 mSDtfsCounter, 1359 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:09,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 4248 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:23:09,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36377 states. [2024-11-27 23:23:11,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36377 to 36377. [2024-11-27 23:23:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36377 states, 26498 states have (on average 1.2310363046267643) internal successors, (32620), 27078 states have internal predecessors, (32620), 7740 states have call successors, (7740), 2187 states have call predecessors, (7740), 2136 states have return successors, (8417), 7461 states have call predecessors, (8417), 7736 states have call successors, (8417) [2024-11-27 23:23:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36377 states to 36377 states and 48777 transitions. [2024-11-27 23:23:12,108 INFO L78 Accepts]: Start accepts. Automaton has 36377 states and 48777 transitions. Word has length 224 [2024-11-27 23:23:12,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:12,109 INFO L471 AbstractCegarLoop]: Abstraction has 36377 states and 48777 transitions. [2024-11-27 23:23:12,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-27 23:23:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 36377 states and 48777 transitions. [2024-11-27 23:23:12,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-27 23:23:12,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:12,119 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-11-27 23:23:12,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:23:12,119 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)] === [2024-11-27 23:23:12,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:12,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1965608687, now seen corresponding path program 1 times [2024-11-27 23:23:12,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:12,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080080048] [2024-11-27 23:23:12,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:12,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2024-11-27 23:23:12,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:12,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080080048] [2024-11-27 23:23:12,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080080048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:12,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:12,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:23:12,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287154045] [2024-11-27 23:23:12,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:12,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:23:12,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:12,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:23:12,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:23:12,744 INFO L87 Difference]: Start difference. First operand 36377 states and 48777 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-27 23:23:14,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:14,484 INFO L93 Difference]: Finished difference Result 36383 states and 48782 transitions. [2024-11-27 23:23:14,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:23:14,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 229 [2024-11-27 23:23:14,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:14,730 INFO L225 Difference]: With dead ends: 36383 [2024-11-27 23:23:14,730 INFO L226 Difference]: Without dead ends: 36381 [2024-11-27 23:23:14,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:23:14,752 INFO L435 NwaCegarLoop]: 1422 mSDtfsCounter, 1358 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1359 SdHoareTripleChecker+Valid, 4248 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 [2024-11-27 23:23:14,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1359 Valid, 4248 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:23:14,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36381 states. [2024-11-27 23:23:16,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36381 to 36381. [2024-11-27 23:23:16,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36381 states, 26501 states have (on average 1.2310101505603561) internal successors, (32623), 27081 states have internal predecessors, (32623), 7740 states have call successors, (7740), 2188 states have call predecessors, (7740), 2137 states have return successors, (8417), 7461 states have call predecessors, (8417), 7736 states have call successors, (8417) [2024-11-27 23:23:16,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36381 states to 36381 states and 48780 transitions. [2024-11-27 23:23:16,876 INFO L78 Accepts]: Start accepts. Automaton has 36381 states and 48780 transitions. Word has length 229 [2024-11-27 23:23:16,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:16,876 INFO L471 AbstractCegarLoop]: Abstraction has 36381 states and 48780 transitions. [2024-11-27 23:23:16,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-27 23:23:16,877 INFO L276 IsEmpty]: Start isEmpty. Operand 36381 states and 48780 transitions. [2024-11-27 23:23:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-11-27 23:23:16,881 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:16,881 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-11-27 23:23:16,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:23:16,882 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)] === [2024-11-27 23:23:16,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:16,882 INFO L85 PathProgramCache]: Analyzing trace with hash 101555565, now seen corresponding path program 1 times [2024-11-27 23:23:16,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:16,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321860668] [2024-11-27 23:23:16,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:16,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2024-11-27 23:23:17,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:17,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321860668] [2024-11-27 23:23:17,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321860668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:17,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:17,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:23:17,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30206610] [2024-11-27 23:23:17,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:17,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:23:17,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:17,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:23:17,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:23:17,284 INFO L87 Difference]: Start difference. First operand 36381 states and 48780 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:23:18,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:18,708 INFO L93 Difference]: Finished difference Result 36387 states and 48785 transitions. [2024-11-27 23:23:18,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:23:18,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 234 [2024-11-27 23:23:18,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:18,884 INFO L225 Difference]: With dead ends: 36387 [2024-11-27 23:23:18,884 INFO L226 Difference]: Without dead ends: 36385 [2024-11-27 23:23:18,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:23:18,902 INFO L435 NwaCegarLoop]: 1422 mSDtfsCounter, 1357 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:18,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 4248 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:23:18,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36385 states. [2024-11-27 23:23:21,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36385 to 36385. [2024-11-27 23:23:21,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36385 states, 26504 states have (on average 1.2309840024147298) internal successors, (32626), 27084 states have internal predecessors, (32626), 7740 states have call successors, (7740), 2189 states have call predecessors, (7740), 2138 states have return successors, (8417), 7461 states have call predecessors, (8417), 7736 states have call successors, (8417) [2024-11-27 23:23:21,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36385 states to 36385 states and 48783 transitions. [2024-11-27 23:23:21,432 INFO L78 Accepts]: Start accepts. Automaton has 36385 states and 48783 transitions. Word has length 234 [2024-11-27 23:23:21,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:21,433 INFO L471 AbstractCegarLoop]: Abstraction has 36385 states and 48783 transitions. [2024-11-27 23:23:21,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 23:23:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand 36385 states and 48783 transitions. [2024-11-27 23:23:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-27 23:23:21,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:21,439 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-11-27 23:23:21,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:23:21,439 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)] === [2024-11-27 23:23:21,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:21,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1055308433, now seen corresponding path program 1 times [2024-11-27 23:23:21,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:21,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100250947] [2024-11-27 23:23:21,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:21,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:22,096 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-11-27 23:23:22,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:22,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100250947] [2024-11-27 23:23:22,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100250947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:22,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:22,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:23:22,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226562830] [2024-11-27 23:23:22,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:22,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:23:22,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:22,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:23:22,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:23:22,100 INFO L87 Difference]: Start difference. First operand 36385 states and 48783 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-11-27 23:23:24,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:24,344 INFO L93 Difference]: Finished difference Result 36907 states and 49218 transitions. [2024-11-27 23:23:24,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:23:24,344 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 239 [2024-11-27 23:23:24,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:24,580 INFO L225 Difference]: With dead ends: 36907 [2024-11-27 23:23:24,581 INFO L226 Difference]: Without dead ends: 36905 [2024-11-27 23:23:24,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:23:24,611 INFO L435 NwaCegarLoop]: 1420 mSDtfsCounter, 1308 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 4292 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:24,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 4292 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:23:24,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36905 states. [2024-11-27 23:23:27,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36905 to 36905. [2024-11-27 23:23:27,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36905 states, 26937 states have (on average 1.227271039833686) internal successors, (33059), 27517 states have internal predecessors, (33059), 7740 states have call successors, (7740), 2276 states have call predecessors, (7740), 2225 states have return successors, (8417), 7461 states have call predecessors, (8417), 7736 states have call successors, (8417) [2024-11-27 23:23:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36905 states to 36905 states and 49216 transitions. [2024-11-27 23:23:27,919 INFO L78 Accepts]: Start accepts. Automaton has 36905 states and 49216 transitions. Word has length 239 [2024-11-27 23:23:27,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:27,920 INFO L471 AbstractCegarLoop]: Abstraction has 36905 states and 49216 transitions. [2024-11-27 23:23:27,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-11-27 23:23:27,920 INFO L276 IsEmpty]: Start isEmpty. Operand 36905 states and 49216 transitions. [2024-11-27 23:23:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-27 23:23:27,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:27,925 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-11-27 23:23:27,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:23:27,925 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)] === [2024-11-27 23:23:27,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:27,926 INFO L85 PathProgramCache]: Analyzing trace with hash -425892243, now seen corresponding path program 1 times [2024-11-27 23:23:27,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:27,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305554097] [2024-11-27 23:23:27,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:27,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 765 trivial. 0 not checked. [2024-11-27 23:23:28,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:28,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305554097] [2024-11-27 23:23:28,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305554097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:28,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:23:28,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:23:28,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60757972] [2024-11-27 23:23:28,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:28,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:23:28,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:28,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:23:28,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:23:28,290 INFO L87 Difference]: Start difference. First operand 36905 states and 49216 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-11-27 23:23:30,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:30,208 INFO L93 Difference]: Finished difference Result 36911 states and 49221 transitions. [2024-11-27 23:23:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:23:30,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 244 [2024-11-27 23:23:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:30,342 INFO L225 Difference]: With dead ends: 36911 [2024-11-27 23:23:30,342 INFO L226 Difference]: Without dead ends: 36909 [2024-11-27 23:23:30,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:23:30,361 INFO L435 NwaCegarLoop]: 1422 mSDtfsCounter, 1355 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:30,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 4248 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:23:30,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36909 states.