./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-mutex_drivers-net-ethernet-icplus-ipg.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_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:51:45,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:51:45,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 14:51:45,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:51:45,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:51:45,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:51:45,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:51:45,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:51:45,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:51:45,539 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:51:45,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:51:45,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:51:45,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:51:45,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:51:45,540 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:51:45,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:51:45,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:51:45,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:51:45,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:51:45,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:51:45,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:51:45,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:51:45,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:51:45,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:51:45,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:51:45,541 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:51:45,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:51:45,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:51:45,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:51:45,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:51:45,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:51:45,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:51:45,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:51:45,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:51:45,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:51:45,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:51:45,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:51:45,542 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:51:45,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:51:45,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:51:45,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:51:45,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:51:45,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:51:45,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:51:45,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:51:45,543 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_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 [2024-12-02 14:51:45,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:51:45,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:51:45,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:51:45,777 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:51:45,777 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:51:45,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2024-12-02 14:51:48,504 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/data/0c2cd2af6/32d6ceb68d3d4dbf8c607577821bf678/FLAGfee3b88b0 [2024-12-02 14:51:49,018 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:51:49,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2024-12-02 14:51:49,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/data/0c2cd2af6/32d6ceb68d3d4dbf8c607577821bf678/FLAGfee3b88b0 [2024-12-02 14:51:49,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/data/0c2cd2af6/32d6ceb68d3d4dbf8c607577821bf678 [2024-12-02 14:51:49,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:51:49,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:51:49,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:51:49,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:51:49,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:51:49,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:51:49" (1/1) ... [2024-12-02 14:51:49,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d06331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:49, skipping insertion in model container [2024-12-02 14:51:49,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:51:49" (1/1) ... [2024-12-02 14:51:49,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:51:51,019 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_fc909787-0e04-4b83-a640-045c8dd2e43d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2024-12-02 14:51:51,022 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_fc909787-0e04-4b83-a640-045c8dd2e43d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2024-12-02 14:51:51,023 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_fc909787-0e04-4b83-a640-045c8dd2e43d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2024-12-02 14:51:51,023 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_fc909787-0e04-4b83-a640-045c8dd2e43d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2024-12-02 14:51:51,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:51:51,104 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:51:51,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5267] [2024-12-02 14:51:51,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5274] [2024-12-02 14:51:51,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5281] [2024-12-02 14:51:51,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5325-5326] [2024-12-02 14:51:51,192 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5331-5333] [2024-12-02 14:51:51,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5529-5530] [2024-12-02 14:51:51,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5563-5564] [2024-12-02 14:51:51,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7915] [2024-12-02 14:51:51,366 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_fc909787-0e04-4b83-a640-045c8dd2e43d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2024-12-02 14:51:51,366 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_fc909787-0e04-4b83-a640-045c8dd2e43d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2024-12-02 14:51:51,366 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_fc909787-0e04-4b83-a640-045c8dd2e43d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2024-12-02 14:51:51,367 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_fc909787-0e04-4b83-a640-045c8dd2e43d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2024-12-02 14:51:51,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:51:51,490 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:51:51,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51 WrapperNode [2024-12-02 14:51:51,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:51:51,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:51:51,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:51:51,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:51:51,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:51,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:51,694 INFO L138 Inliner]: procedures = 357, calls = 1584, calls flagged for inlining = 198, calls inlined = 187, statements flattened = 4828 [2024-12-02 14:51:51,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:51:51,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:51:51,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:51:51,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:51:51,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:51,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:51,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:52,479 INFO L175 MemorySlicer]: Split 776 memory accesses to 19 slices as follows [2, 2, 2, 4, 15, 4, 1, 2, 38, 10, 9, 5, 572, 54, 9, 3, 19, 24, 1]. 74 percent of accesses are in the largest equivalence class. The 59 initializations are split as follows [0, 0, 0, 4, 15, 4, 1, 2, 0, 10, 9, 4, 0, 0, 9, 1, 0, 0, 0]. The 394 writes are split as follows [1, 1, 1, 0, 0, 0, 0, 0, 32, 0, 0, 0, 284, 42, 0, 0, 16, 17, 0]. [2024-12-02 14:51:52,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:52,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:52,571 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:52,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:52,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:52,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:52,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:52,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:51:52,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:51:52,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:51:52,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:51:52,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (1/1) ... [2024-12-02 14:51:52,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:51:52,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:51:52,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:51:52,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:51:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2024-12-02 14:51:52,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2024-12-02 14:51:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-12-02 14:51:52,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-12-02 14:51:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 14:51:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 14:51:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 14:51:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 14:51:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 14:51:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 14:51:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 14:51:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 14:51:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 14:51:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 14:51:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 14:51:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 14:51:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 14:51:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 14:51:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 14:51:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 14:51:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 14:51:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 14:51:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 14:51:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 14:51:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 14:51:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 14:51:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 14:51:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 14:51:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 14:51:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 14:51:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 14:51:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 14:51:52,757 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 14:51:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 14:51:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2024-12-02 14:51:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2024-12-02 14:51:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 14:51:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 14:51:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 14:51:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 14:51:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 14:51:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 14:51:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2024-12-02 14:51:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2024-12-02 14:51:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 14:51:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 14:51:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 14:51:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 14:51:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2024-12-02 14:51:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2024-12-02 14:51:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 14:51:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 14:51:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 14:51:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 14:51:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-12-02 14:51:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-12-02 14:51:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2024-12-02 14:51:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2024-12-02 14:51:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-12-02 14:51:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-12-02 14:51:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 14:51:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 14:51:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 14:51:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 14:51:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-12-02 14:51:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-12-02 14:51:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 14:51:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 14:51:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2024-12-02 14:51:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2024-12-02 14:51:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2024-12-02 14:51:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2024-12-02 14:51:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-12-02 14:51:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 14:51:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2024-12-02 14:51:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 14:51:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 14:51:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 14:51:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 14:51:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 14:51:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-12-02 14:51:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-12-02 14:51:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 14:51:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 14:51:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 14:51:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 14:51:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-12-02 14:51:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-12-02 14:51:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2024-12-02 14:51:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2024-12-02 14:51:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 14:51:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 14:51:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2024-12-02 14:51:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2024-12-02 14:51:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 14:51:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 14:51:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 14:51:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 14:51:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 14:51:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 14:51:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 14:51:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 14:51:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 14:51:52,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 14:51:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 14:51:52,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 14:51:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2024-12-02 14:51:52,766 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2024-12-02 14:51:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 14:51:52,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 14:51:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2024-12-02 14:51:52,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2024-12-02 14:51:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 14:51:52,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 14:51:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 14:51:52,767 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 14:51:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 14:51:52,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 14:51:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 14:51:52,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 14:51:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 14:51:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 14:51:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 14:51:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 14:51:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 14:51:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 14:51:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-12-02 14:51:52,768 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-12-02 14:51:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 14:51:52,768 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2024-12-02 14:51:52,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2024-12-02 14:51:52,769 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2024-12-02 14:51:52,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 14:51:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 14:51:52,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-02 14:51:52,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 14:51:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 14:51:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 14:51:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 14:51:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 14:51:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 14:51:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 14:51:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 14:51:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 14:51:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 14:51:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 14:51:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 14:51:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 14:51:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 14:51:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 14:51:52,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-12-02 14:51:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 14:51:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 14:51:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 14:51:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 14:51:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 14:51:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 14:51:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 14:51:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 14:51:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 14:51:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 14:51:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 14:51:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 14:51:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 14:51:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 14:51:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 14:51:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 14:51:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 14:51:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 14:51:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 14:51:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 14:51:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 14:51:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 14:51:52,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 14:51:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 14:51:52,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 14:51:52,776 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 14:51:52,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-12-02 14:51:52,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-12-02 14:51:52,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 14:51:52,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 14:51:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 14:51:52,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-12-02 14:51:52,777 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 14:51:52,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2024-12-02 14:51:52,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2024-12-02 14:51:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2024-12-02 14:51:52,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2024-12-02 14:51:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2024-12-02 14:51:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2024-12-02 14:51:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 14:51:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 14:51:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2024-12-02 14:51:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 14:51:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 14:51:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 14:51:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2024-12-02 14:51:52,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2024-12-02 14:51:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-12-02 14:51:52,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-12-02 14:51:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 14:51:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 14:51:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2024-12-02 14:51:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2024-12-02 14:51:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 14:51:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 14:51:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-12-02 14:51:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-12-02 14:51:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 14:51:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 14:51:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2024-12-02 14:51:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2024-12-02 14:51:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 14:51:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 14:51:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 14:51:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 14:51:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 14:51:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 14:51:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 14:51:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 14:51:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2024-12-02 14:51:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2024-12-02 14:51:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2024-12-02 14:51:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2024-12-02 14:51:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-12-02 14:51:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-12-02 14:51:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-12-02 14:51:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-12-02 14:51:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 14:51:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 14:51:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2024-12-02 14:51:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:51:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:51:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:51:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2024-12-02 14:51:52,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 14:51:52,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2024-12-02 14:51:52,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2024-12-02 14:51:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-12-02 14:51:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-12-02 14:51:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:51:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:51:53,653 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:51:53,656 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:51:58,673 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 14:52:12,169 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 14:52:12,961 INFO L? ?]: Removed 2637 outVars from TransFormulas that were not future-live. [2024-12-02 14:52:12,961 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:52:13,006 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:52:13,006 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:52:13,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:52:13 BoogieIcfgContainer [2024-12-02 14:52:13,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:52:13,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:52:13,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:52:13,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:52:13,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:51:49" (1/3) ... [2024-12-02 14:52:13,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd10d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:52:13, skipping insertion in model container [2024-12-02 14:52:13,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:51:51" (2/3) ... [2024-12-02 14:52:13,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd10d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:52:13, skipping insertion in model container [2024-12-02 14:52:13,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:52:13" (3/3) ... [2024-12-02 14:52:13,018 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2024-12-02 14:52:13,035 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:52:13,038 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i that has 116 procedures, 2144 locations, 1 initial locations, 38 loop locations, and 3 error locations. [2024-12-02 14:52:13,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:52:13,172 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;@149122ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:52:13,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 14:52:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand has 2052 states, 1496 states have (on average 1.3228609625668448) internal successors, (1979), 1526 states have internal predecessors, (1979), 459 states have call successors, (459), 97 states have call predecessors, (459), 96 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) [2024-12-02 14:52:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 14:52:13,199 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:13,200 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:52:13,200 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:52:13,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:13,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1616035063, now seen corresponding path program 1 times [2024-12-02 14:52:13,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:13,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076345557] [2024-12-02 14:52:13,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:13,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 14:52:18,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:18,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076345557] [2024-12-02 14:52:18,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076345557] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:18,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:18,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:52:18,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991046967] [2024-12-02 14:52:18,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:18,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:52:18,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:18,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:52:18,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:52:18,230 INFO L87 Difference]: Start difference. First operand has 2052 states, 1496 states have (on average 1.3228609625668448) internal successors, (1979), 1526 states have internal predecessors, (1979), 459 states have call successors, (459), 97 states have call predecessors, (459), 96 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 14:52:22,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:23,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:23,186 INFO L93 Difference]: Finished difference Result 6016 states and 8669 transitions. [2024-12-02 14:52:23,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:52:23,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2024-12-02 14:52:23,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:23,230 INFO L225 Difference]: With dead ends: 6016 [2024-12-02 14:52:23,230 INFO L226 Difference]: Without dead ends: 3975 [2024-12-02 14:52:23,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:52:23,251 INFO L435 NwaCegarLoop]: 2853 mSDtfsCounter, 2727 mSDsluCounter, 2783 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2727 SdHoareTripleChecker+Valid, 5636 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:23,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2727 Valid, 5636 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 14:52:23,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3975 states. [2024-12-02 14:52:23,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3975 to 3971. [2024-12-02 14:52:23,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3971 states, 2910 states have (on average 1.297938144329897) internal successors, (3777), 2967 states have internal predecessors, (3777), 870 states have call successors, (870), 189 states have call predecessors, (870), 188 states have return successors, (866), 860 states have call predecessors, (866), 866 states have call successors, (866) [2024-12-02 14:52:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3971 states and 5513 transitions. [2024-12-02 14:52:23,540 INFO L78 Accepts]: Start accepts. Automaton has 3971 states and 5513 transitions. Word has length 116 [2024-12-02 14:52:23,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:23,540 INFO L471 AbstractCegarLoop]: Abstraction has 3971 states and 5513 transitions. [2024-12-02 14:52:23,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 14:52:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 5513 transitions. [2024-12-02 14:52:23,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 14:52:23,546 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:23,547 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:52:23,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:52:23,547 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:52:23,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:23,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1832408536, now seen corresponding path program 1 times [2024-12-02 14:52:23,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:23,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122242522] [2024-12-02 14:52:23,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:23,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 14:52:27,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:27,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122242522] [2024-12-02 14:52:27,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122242522] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:27,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:27,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:52:27,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018272403] [2024-12-02 14:52:27,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:27,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:52:27,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:27,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:52:27,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:52:27,960 INFO L87 Difference]: Start difference. First operand 3971 states and 5513 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 14:52:32,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:33,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:33,588 INFO L93 Difference]: Finished difference Result 11523 states and 15999 transitions. [2024-12-02 14:52:33,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:52:33,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 117 [2024-12-02 14:52:33,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:33,666 INFO L225 Difference]: With dead ends: 11523 [2024-12-02 14:52:33,666 INFO L226 Difference]: Without dead ends: 7573 [2024-12-02 14:52:33,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:52:33,693 INFO L435 NwaCegarLoop]: 2832 mSDtfsCounter, 2555 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2555 SdHoareTripleChecker+Valid, 5579 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:33,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2555 Valid, 5579 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 14:52:33,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7573 states. [2024-12-02 14:52:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7573 to 7552. [2024-12-02 14:52:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7552 states, 5517 states have (on average 1.298531810766721) internal successors, (7164), 5627 states have internal predecessors, (7164), 1661 states have call successors, (1661), 374 states have call predecessors, (1661), 371 states have return successors, (1659), 1636 states have call predecessors, (1659), 1657 states have call successors, (1659) [2024-12-02 14:52:34,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7552 states to 7552 states and 10484 transitions. [2024-12-02 14:52:34,267 INFO L78 Accepts]: Start accepts. Automaton has 7552 states and 10484 transitions. Word has length 117 [2024-12-02 14:52:34,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:34,268 INFO L471 AbstractCegarLoop]: Abstraction has 7552 states and 10484 transitions. [2024-12-02 14:52:34,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 14:52:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 7552 states and 10484 transitions. [2024-12-02 14:52:34,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 14:52:34,273 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:34,273 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:52:34,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:52:34,274 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:52:34,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:34,274 INFO L85 PathProgramCache]: Analyzing trace with hash -278666666, now seen corresponding path program 1 times [2024-12-02 14:52:34,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:34,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404425796] [2024-12-02 14:52:34,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:34,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:38,827 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 14:52:38,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:38,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404425796] [2024-12-02 14:52:38,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404425796] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:38,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:38,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:52:38,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469191326] [2024-12-02 14:52:38,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:38,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:52:38,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:38,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:52:38,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:52:38,830 INFO L87 Difference]: Start difference. First operand 7552 states and 10484 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 14:52:42,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:44,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:44,184 INFO L93 Difference]: Finished difference Result 14881 states and 20711 transitions. [2024-12-02 14:52:44,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:52:44,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2024-12-02 14:52:44,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:44,221 INFO L225 Difference]: With dead ends: 14881 [2024-12-02 14:52:44,221 INFO L226 Difference]: Without dead ends: 7350 [2024-12-02 14:52:44,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:52:44,245 INFO L435 NwaCegarLoop]: 3577 mSDtfsCounter, 2053 mSDsluCounter, 2749 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 6326 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:44,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 6326 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 14:52:44,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7350 states. [2024-12-02 14:52:44,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7350 to 7331. [2024-12-02 14:52:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7331 states, 5423 states have (on average 1.3085008297990042) internal successors, (7096), 5524 states have internal predecessors, (7096), 1548 states have call successors, (1548), 361 states have call predecessors, (1548), 357 states have return successors, (1545), 1522 states have call predecessors, (1545), 1544 states have call successors, (1545) [2024-12-02 14:52:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7331 states to 7331 states and 10189 transitions. [2024-12-02 14:52:44,604 INFO L78 Accepts]: Start accepts. Automaton has 7331 states and 10189 transitions. Word has length 128 [2024-12-02 14:52:44,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:44,605 INFO L471 AbstractCegarLoop]: Abstraction has 7331 states and 10189 transitions. [2024-12-02 14:52:44,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 14:52:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand 7331 states and 10189 transitions. [2024-12-02 14:52:44,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 14:52:44,610 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:44,610 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 14:52:44,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:52:44,610 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:52:44,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:44,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2109918089, now seen corresponding path program 1 times [2024-12-02 14:52:44,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:44,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435713732] [2024-12-02 14:52:44,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:44,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-02 14:52:49,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:49,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435713732] [2024-12-02 14:52:49,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435713732] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:49,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:49,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:52:49,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796639810] [2024-12-02 14:52:49,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:49,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:52:49,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:49,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:52:49,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:52:49,269 INFO L87 Difference]: Start difference. First operand 7331 states and 10189 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 14:52:53,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:52:54,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:54,176 INFO L93 Difference]: Finished difference Result 19772 states and 27478 transitions. [2024-12-02 14:52:54,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:52:54,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2024-12-02 14:52:54,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:54,269 INFO L225 Difference]: With dead ends: 19772 [2024-12-02 14:52:54,269 INFO L226 Difference]: Without dead ends: 13424 [2024-12-02 14:52:54,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:52:54,297 INFO L435 NwaCegarLoop]: 4160 mSDtfsCounter, 2691 mSDsluCounter, 2792 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2691 SdHoareTripleChecker+Valid, 6952 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:54,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2691 Valid, 6952 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 14:52:54,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13424 states. [2024-12-02 14:52:54,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13424 to 13420. [2024-12-02 14:52:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13420 states, 9938 states have (on average 1.3079090360233447) internal successors, (12998), 10115 states have internal predecessors, (12998), 2824 states have call successors, (2824), 660 states have call predecessors, (2824), 655 states have return successors, (2822), 2789 states have call predecessors, (2822), 2820 states have call successors, (2822) [2024-12-02 14:52:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13420 states to 13420 states and 18644 transitions. [2024-12-02 14:52:54,843 INFO L78 Accepts]: Start accepts. Automaton has 13420 states and 18644 transitions. Word has length 172 [2024-12-02 14:52:54,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:54,844 INFO L471 AbstractCegarLoop]: Abstraction has 13420 states and 18644 transitions. [2024-12-02 14:52:54,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 14:52:54,845 INFO L276 IsEmpty]: Start isEmpty. Operand 13420 states and 18644 transitions. [2024-12-02 14:52:54,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 14:52:54,849 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:54,849 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 14:52:54,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:52:54,849 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:52:54,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:54,850 INFO L85 PathProgramCache]: Analyzing trace with hash -2044500597, now seen corresponding path program 1 times [2024-12-02 14:52:54,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:54,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659032471] [2024-12-02 14:52:54,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:54,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-12-02 14:52:59,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:59,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659032471] [2024-12-02 14:52:59,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659032471] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:59,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:59,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:52:59,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695335485] [2024-12-02 14:52:59,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:59,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:52:59,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:59,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:52:59,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:52:59,457 INFO L87 Difference]: Start difference. First operand 13420 states and 18644 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 14:53:00,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:00,059 INFO L93 Difference]: Finished difference Result 13426 states and 18649 transitions. [2024-12-02 14:53:00,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:53:00,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 172 [2024-12-02 14:53:00,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:00,112 INFO L225 Difference]: With dead ends: 13426 [2024-12-02 14:53:00,112 INFO L226 Difference]: Without dead ends: 13424 [2024-12-02 14:53:00,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:53:00,120 INFO L435 NwaCegarLoop]: 2816 mSDtfsCounter, 2770 mSDsluCounter, 5627 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2771 SdHoareTripleChecker+Valid, 8443 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:00,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2771 Valid, 8443 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:53:00,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13424 states. [2024-12-02 14:53:00,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13424 to 13424. [2024-12-02 14:53:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13424 states, 9941 states have (on average 1.307816115078966) internal successors, (13001), 10118 states have internal predecessors, (13001), 2824 states have call successors, (2824), 661 states have call predecessors, (2824), 656 states have return successors, (2822), 2789 states have call predecessors, (2822), 2820 states have call successors, (2822) [2024-12-02 14:53:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13424 states to 13424 states and 18647 transitions. [2024-12-02 14:53:00,534 INFO L78 Accepts]: Start accepts. Automaton has 13424 states and 18647 transitions. Word has length 172 [2024-12-02 14:53:00,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:00,535 INFO L471 AbstractCegarLoop]: Abstraction has 13424 states and 18647 transitions. [2024-12-02 14:53:00,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 14:53:00,535 INFO L276 IsEmpty]: Start isEmpty. Operand 13424 states and 18647 transitions. [2024-12-02 14:53:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 14:53:00,539 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:00,539 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 14:53:00,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:53:00,539 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:53:00,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:00,540 INFO L85 PathProgramCache]: Analyzing trace with hash 539836309, now seen corresponding path program 1 times [2024-12-02 14:53:00,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:00,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104928878] [2024-12-02 14:53:00,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:00,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:53:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-12-02 14:53:05,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:53:05,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104928878] [2024-12-02 14:53:05,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104928878] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:05,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:05,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:53:05,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193039205] [2024-12-02 14:53:05,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:05,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:53:05,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:53:05,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:53:05,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:53:05,224 INFO L87 Difference]: Start difference. First operand 13424 states and 18647 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 14:53:05,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:05,939 INFO L93 Difference]: Finished difference Result 13430 states and 18652 transitions. [2024-12-02 14:53:05,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:53:05,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2024-12-02 14:53:05,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:06,001 INFO L225 Difference]: With dead ends: 13430 [2024-12-02 14:53:06,001 INFO L226 Difference]: Without dead ends: 13428 [2024-12-02 14:53:06,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:53:06,008 INFO L435 NwaCegarLoop]: 2819 mSDtfsCounter, 2766 mSDsluCounter, 5628 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2767 SdHoareTripleChecker+Valid, 8447 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:06,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2767 Valid, 8447 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:53:06,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13428 states. [2024-12-02 14:53:06,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13428 to 13428. [2024-12-02 14:53:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13428 states, 9944 states have (on average 1.3077232502011262) internal successors, (13004), 10121 states have internal predecessors, (13004), 2824 states have call successors, (2824), 662 states have call predecessors, (2824), 657 states have return successors, (2822), 2789 states have call predecessors, (2822), 2820 states have call successors, (2822) [2024-12-02 14:53:06,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13428 states to 13428 states and 18650 transitions. [2024-12-02 14:53:06,528 INFO L78 Accepts]: Start accepts. Automaton has 13428 states and 18650 transitions. Word has length 177 [2024-12-02 14:53:06,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:06,528 INFO L471 AbstractCegarLoop]: Abstraction has 13428 states and 18650 transitions. [2024-12-02 14:53:06,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 14:53:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 13428 states and 18650 transitions. [2024-12-02 14:53:06,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-12-02 14:53:06,532 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:06,532 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 14:53:06,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:53:06,533 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:53:06,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:06,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1969828747, now seen corresponding path program 1 times [2024-12-02 14:53:06,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:06,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61235646] [2024-12-02 14:53:06,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:06,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:53:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-12-02 14:53:11,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:53:11,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61235646] [2024-12-02 14:53:11,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61235646] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:11,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:11,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:53:11,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037823788] [2024-12-02 14:53:11,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:11,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:53:11,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:53:11,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:53:11,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:53:11,016 INFO L87 Difference]: Start difference. First operand 13428 states and 18650 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 14:53:11,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:11,672 INFO L93 Difference]: Finished difference Result 13434 states and 18655 transitions. [2024-12-02 14:53:11,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:53:11,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 182 [2024-12-02 14:53:11,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:11,723 INFO L225 Difference]: With dead ends: 13434 [2024-12-02 14:53:11,723 INFO L226 Difference]: Without dead ends: 13430 [2024-12-02 14:53:11,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:53:11,731 INFO L435 NwaCegarLoop]: 2818 mSDtfsCounter, 2737 mSDsluCounter, 5649 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2738 SdHoareTripleChecker+Valid, 8467 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:11,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2738 Valid, 8467 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:53:11,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13430 states. [2024-12-02 14:53:12,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13430 to 13430. [2024-12-02 14:53:12,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13430 states, 9946 states have (on average 1.3075608284737583) internal successors, (13005), 10122 states have internal predecessors, (13005), 2824 states have call successors, (2824), 663 states have call predecessors, (2824), 657 states have return successors, (2822), 2789 states have call predecessors, (2822), 2820 states have call successors, (2822) [2024-12-02 14:53:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13430 states to 13430 states and 18651 transitions. [2024-12-02 14:53:12,243 INFO L78 Accepts]: Start accepts. Automaton has 13430 states and 18651 transitions. Word has length 182 [2024-12-02 14:53:12,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:12,243 INFO L471 AbstractCegarLoop]: Abstraction has 13430 states and 18651 transitions. [2024-12-02 14:53:12,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 14:53:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 13430 states and 18651 transitions. [2024-12-02 14:53:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-12-02 14:53:12,248 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:12,248 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 14:53:12,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:53:12,248 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:53:12,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:12,249 INFO L85 PathProgramCache]: Analyzing trace with hash 2056413461, now seen corresponding path program 1 times [2024-12-02 14:53:12,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:12,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19206170] [2024-12-02 14:53:12,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:12,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:53:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:16,761 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2024-12-02 14:53:16,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:53:16,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19206170] [2024-12-02 14:53:16,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19206170] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:16,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:16,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:53:16,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901471660] [2024-12-02 14:53:16,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:16,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:53:16,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:53:16,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:53:16,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:53:16,763 INFO L87 Difference]: Start difference. First operand 13430 states and 18651 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-12-02 14:53:17,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:17,279 INFO L93 Difference]: Finished difference Result 13430 states and 18651 transitions. [2024-12-02 14:53:17,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:53:17,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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 187 [2024-12-02 14:53:17,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:17,328 INFO L225 Difference]: With dead ends: 13430 [2024-12-02 14:53:17,328 INFO L226 Difference]: Without dead ends: 13359 [2024-12-02 14:53:17,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:53:17,336 INFO L435 NwaCegarLoop]: 2817 mSDtfsCounter, 2761 mSDsluCounter, 5626 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 8443 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:17,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2761 Valid, 8443 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:53:17,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13359 states. [2024-12-02 14:53:17,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13359 to 13359. [2024-12-02 14:53:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13359 states, 9912 states have (on average 1.3074051654560128) internal successors, (12959), 10076 states have internal predecessors, (12959), 2793 states have call successors, (2793), 654 states have call predecessors, (2793), 652 states have return successors, (2795), 2773 states have call predecessors, (2795), 2793 states have call successors, (2795) [2024-12-02 14:53:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13359 states to 13359 states and 18547 transitions. [2024-12-02 14:53:17,774 INFO L78 Accepts]: Start accepts. Automaton has 13359 states and 18547 transitions. Word has length 187 [2024-12-02 14:53:17,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:17,774 INFO L471 AbstractCegarLoop]: Abstraction has 13359 states and 18547 transitions. [2024-12-02 14:53:17,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-12-02 14:53:17,775 INFO L276 IsEmpty]: Start isEmpty. Operand 13359 states and 18547 transitions. [2024-12-02 14:53:17,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 14:53:17,779 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:17,780 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 14:53:17,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:53:17,780 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:53:17,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:17,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1690465029, now seen corresponding path program 1 times [2024-12-02 14:53:17,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:17,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671406287] [2024-12-02 14:53:17,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:17,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:53:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:21,344 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-02 14:53:21,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:53:21,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671406287] [2024-12-02 14:53:21,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671406287] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:21,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:21,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:53:21,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59363942] [2024-12-02 14:53:21,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:21,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:53:21,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:53:21,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:53:21,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:53:21,346 INFO L87 Difference]: Start difference. First operand 13359 states and 18547 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 14:53:25,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:53:26,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:26,882 INFO L93 Difference]: Finished difference Result 30633 states and 42573 transitions. [2024-12-02 14:53:26,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:53:26,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 192 [2024-12-02 14:53:26,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:26,940 INFO L225 Difference]: With dead ends: 30633 [2024-12-02 14:53:26,940 INFO L226 Difference]: Without dead ends: 18257 [2024-12-02 14:53:26,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:53:26,975 INFO L435 NwaCegarLoop]: 4760 mSDtfsCounter, 2020 mSDsluCounter, 2713 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 7473 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:26,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 7473 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 14:53:26,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18257 states. [2024-12-02 14:53:27,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18257 to 18251. [2024-12-02 14:53:27,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18251 states, 13590 states have (on average 1.3097130242825608) internal successors, (17799), 13806 states have internal predecessors, (17799), 3769 states have call successors, (3769), 892 states have call predecessors, (3769), 890 states have return successors, (3771), 3747 states have call predecessors, (3771), 3769 states have call successors, (3771) [2024-12-02 14:53:27,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18251 states to 18251 states and 25339 transitions. [2024-12-02 14:53:27,715 INFO L78 Accepts]: Start accepts. Automaton has 18251 states and 25339 transitions. Word has length 192 [2024-12-02 14:53:27,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:27,716 INFO L471 AbstractCegarLoop]: Abstraction has 18251 states and 25339 transitions. [2024-12-02 14:53:27,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 14:53:27,716 INFO L276 IsEmpty]: Start isEmpty. Operand 18251 states and 25339 transitions. [2024-12-02 14:53:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-12-02 14:53:27,738 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:27,738 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:53:27,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:53:27,738 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:53:27,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:27,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1708817118, now seen corresponding path program 1 times [2024-12-02 14:53:27,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:27,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667875648] [2024-12-02 14:53:27,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:27,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:53:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2024-12-02 14:53:31,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:53:31,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667875648] [2024-12-02 14:53:31,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667875648] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:31,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:31,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:53:31,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284452145] [2024-12-02 14:53:31,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:31,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:53:31,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:53:31,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:53:31,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:53:31,659 INFO L87 Difference]: Start difference. First operand 18251 states and 25339 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 14:53:35,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:53:37,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:37,239 INFO L93 Difference]: Finished difference Result 40385 states and 56097 transitions. [2024-12-02 14:53:37,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:53:37,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 266 [2024-12-02 14:53:37,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:37,318 INFO L225 Difference]: With dead ends: 40385 [2024-12-02 14:53:37,318 INFO L226 Difference]: Without dead ends: 23117 [2024-12-02 14:53:37,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:53:37,364 INFO L435 NwaCegarLoop]: 4787 mSDtfsCounter, 2014 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 7507 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:37,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2014 Valid, 7507 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 14:53:37,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23117 states. [2024-12-02 14:53:38,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23117 to 23111. [2024-12-02 14:53:38,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23111 states, 17248 states have (on average 1.311398423005566) internal successors, (22619), 17516 states have internal predecessors, (22619), 4733 states have call successors, (4733), 1130 states have call predecessors, (4733), 1128 states have return successors, (4735), 4709 states have call predecessors, (4735), 4733 states have call successors, (4735) [2024-12-02 14:53:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23111 states to 23111 states and 32087 transitions. [2024-12-02 14:53:38,138 INFO L78 Accepts]: Start accepts. Automaton has 23111 states and 32087 transitions. Word has length 266 [2024-12-02 14:53:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:38,139 INFO L471 AbstractCegarLoop]: Abstraction has 23111 states and 32087 transitions. [2024-12-02 14:53:38,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 14:53:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 23111 states and 32087 transitions. [2024-12-02 14:53:38,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-12-02 14:53:38,150 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:38,151 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:53:38,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:53:38,151 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:53:38,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:38,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1049285596, now seen corresponding path program 1 times [2024-12-02 14:53:38,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:38,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332079271] [2024-12-02 14:53:38,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:38,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:53:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2024-12-02 14:53:41,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:53:41,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332079271] [2024-12-02 14:53:41,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332079271] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:41,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:41,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:53:41,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842479196] [2024-12-02 14:53:41,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:41,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:53:41,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:53:41,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:53:41,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:53:41,861 INFO L87 Difference]: Start difference. First operand 23111 states and 32087 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 14:53:45,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:53:47,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:47,678 INFO L93 Difference]: Finished difference Result 50533 states and 70153 transitions. [2024-12-02 14:53:47,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:53:47,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 266 [2024-12-02 14:53:47,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:47,778 INFO L225 Difference]: With dead ends: 50533 [2024-12-02 14:53:47,778 INFO L226 Difference]: Without dead ends: 28405 [2024-12-02 14:53:47,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:53:47,834 INFO L435 NwaCegarLoop]: 4795 mSDtfsCounter, 2512 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2512 SdHoareTripleChecker+Valid, 7042 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:47,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2512 Valid, 7042 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 14:53:47,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28405 states. [2024-12-02 14:53:48,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28405 to 28399. [2024-12-02 14:53:48,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28399 states, 21210 states have (on average 1.3108439415370108) internal successors, (27803), 21534 states have internal predecessors, (27803), 5789 states have call successors, (5789), 1400 states have call predecessors, (5789), 1398 states have return successors, (5791), 5763 states have call predecessors, (5791), 5789 states have call successors, (5791) [2024-12-02 14:53:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28399 states to 28399 states and 39383 transitions. [2024-12-02 14:53:48,751 INFO L78 Accepts]: Start accepts. Automaton has 28399 states and 39383 transitions. Word has length 266 [2024-12-02 14:53:48,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:48,752 INFO L471 AbstractCegarLoop]: Abstraction has 28399 states and 39383 transitions. [2024-12-02 14:53:48,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 14:53:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 28399 states and 39383 transitions. [2024-12-02 14:53:48,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-12-02 14:53:48,767 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:48,767 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:53:48,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:53:48,767 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:53:48,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:48,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1302034486, now seen corresponding path program 1 times [2024-12-02 14:53:48,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:48,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563444156] [2024-12-02 14:53:48,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:48,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:53:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2024-12-02 14:53:52,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:53:52,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563444156] [2024-12-02 14:53:52,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563444156] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:52,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:52,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:53:52,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122851400] [2024-12-02 14:53:52,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:52,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:53:52,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:53:52,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:53:52,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:53:52,850 INFO L87 Difference]: Start difference. First operand 28399 states and 39383 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 14:53:56,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:53:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:58,847 INFO L93 Difference]: Finished difference Result 60673 states and 84185 transitions. [2024-12-02 14:53:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:53:58,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 321 [2024-12-02 14:53:58,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:58,945 INFO L225 Difference]: With dead ends: 60673 [2024-12-02 14:53:58,945 INFO L226 Difference]: Without dead ends: 33257 [2024-12-02 14:53:58,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:53:58,997 INFO L435 NwaCegarLoop]: 4615 mSDtfsCounter, 2014 mSDsluCounter, 2719 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 7334 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:58,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2014 Valid, 7334 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 14:53:59,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33257 states. [2024-12-02 14:53:59,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33257 to 33251. [2024-12-02 14:53:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33251 states, 24864 states have (on average 1.311896718146718) internal successors, (32619), 25240 states have internal predecessors, (32619), 6753 states have call successors, (6753), 1634 states have call predecessors, (6753), 1632 states have return successors, (6755), 6725 states have call predecessors, (6755), 6753 states have call successors, (6755) [2024-12-02 14:53:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33251 states to 33251 states and 46127 transitions. [2024-12-02 14:53:59,952 INFO L78 Accepts]: Start accepts. Automaton has 33251 states and 46127 transitions. Word has length 321 [2024-12-02 14:53:59,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:59,953 INFO L471 AbstractCegarLoop]: Abstraction has 33251 states and 46127 transitions. [2024-12-02 14:53:59,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 14:53:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 33251 states and 46127 transitions. [2024-12-02 14:53:59,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-12-02 14:53:59,973 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:59,973 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:53:59,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:53:59,973 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:53:59,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:59,974 INFO L85 PathProgramCache]: Analyzing trace with hash -642502964, now seen corresponding path program 1 times [2024-12-02 14:53:59,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:59,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290703758] [2024-12-02 14:53:59,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:59,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2024-12-02 14:54:03,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:03,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290703758] [2024-12-02 14:54:03,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290703758] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:03,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:03,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:54:03,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167618415] [2024-12-02 14:54:03,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:03,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:54:03,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:03,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:54:03,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:54:03,764 INFO L87 Difference]: Start difference. First operand 33251 states and 46127 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 14:54:07,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:54:09,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:09,879 INFO L93 Difference]: Finished difference Result 70425 states and 97733 transitions. [2024-12-02 14:54:09,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:54:09,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 321 [2024-12-02 14:54:09,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:10,014 INFO L225 Difference]: With dead ends: 70425 [2024-12-02 14:54:10,014 INFO L226 Difference]: Without dead ends: 38157 [2024-12-02 14:54:10,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:54:10,093 INFO L435 NwaCegarLoop]: 4787 mSDtfsCounter, 2027 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 7507 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:10,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 7507 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 14:54:10,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38157 states. [2024-12-02 14:54:11,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38157 to 38151. [2024-12-02 14:54:11,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38151 states, 28558 states have (on average 1.3125218852860845) internal successors, (37483), 28986 states have internal predecessors, (37483), 7721 states have call successors, (7721), 1872 states have call predecessors, (7721), 1870 states have return successors, (7723), 7691 states have call predecessors, (7723), 7721 states have call successors, (7723) [2024-12-02 14:54:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38151 states to 38151 states and 52927 transitions. [2024-12-02 14:54:11,297 INFO L78 Accepts]: Start accepts. Automaton has 38151 states and 52927 transitions. Word has length 321 [2024-12-02 14:54:11,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:11,298 INFO L471 AbstractCegarLoop]: Abstraction has 38151 states and 52927 transitions. [2024-12-02 14:54:11,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 14:54:11,298 INFO L276 IsEmpty]: Start isEmpty. Operand 38151 states and 52927 transitions. [2024-12-02 14:54:11,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-12-02 14:54:11,319 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:11,320 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:54:11,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 14:54:11,320 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:54:11,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:11,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1045623000, now seen corresponding path program 1 times [2024-12-02 14:54:11,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:11,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949402930] [2024-12-02 14:54:11,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:11,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2024-12-02 14:54:15,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:15,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949402930] [2024-12-02 14:54:15,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949402930] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:15,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:15,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:54:15,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516321275] [2024-12-02 14:54:15,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:15,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:54:15,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:15,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:54:15,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:54:15,648 INFO L87 Difference]: Start difference. First operand 38151 states and 52927 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 14:54:19,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:54:21,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:21,948 INFO L93 Difference]: Finished difference Result 80553 states and 111719 transitions. [2024-12-02 14:54:21,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:54:21,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 362 [2024-12-02 14:54:21,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:22,099 INFO L225 Difference]: With dead ends: 80553 [2024-12-02 14:54:22,099 INFO L226 Difference]: Without dead ends: 43385 [2024-12-02 14:54:22,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:54:22,305 INFO L435 NwaCegarLoop]: 4734 mSDtfsCounter, 2096 mSDsluCounter, 12141 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2096 SdHoareTripleChecker+Valid, 16875 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:22,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2096 Valid, 16875 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 14:54:22,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43385 states. [2024-12-02 14:54:23,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43385 to 43371. [2024-12-02 14:54:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43371 states, 32444 states have (on average 1.3121994821846874) internal successors, (42573), 32932 states have internal predecessors, (42573), 8781 states have call successors, (8781), 2144 states have call predecessors, (8781), 2144 states have return successors, (8787), 8751 states have call predecessors, (8787), 8781 states have call successors, (8787) [2024-12-02 14:54:23,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43371 states to 43371 states and 60141 transitions. [2024-12-02 14:54:23,479 INFO L78 Accepts]: Start accepts. Automaton has 43371 states and 60141 transitions. Word has length 362 [2024-12-02 14:54:23,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:23,479 INFO L471 AbstractCegarLoop]: Abstraction has 43371 states and 60141 transitions. [2024-12-02 14:54:23,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 14:54:23,479 INFO L276 IsEmpty]: Start isEmpty. Operand 43371 states and 60141 transitions. [2024-12-02 14:54:23,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-12-02 14:54:23,500 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:23,500 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:54:23,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 14:54:23,500 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:54:23,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:23,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1606854917, now seen corresponding path program 1 times [2024-12-02 14:54:23,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:23,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923374002] [2024-12-02 14:54:23,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:23,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:27,485 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2024-12-02 14:54:27,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:27,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923374002] [2024-12-02 14:54:27,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923374002] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:27,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:27,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:54:27,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358095576] [2024-12-02 14:54:27,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:27,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:54:27,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:27,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:54:27,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:54:27,488 INFO L87 Difference]: Start difference. First operand 43371 states and 60141 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 14:54:31,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:54:34,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:34,161 INFO L93 Difference]: Finished difference Result 90673 states and 125741 transitions. [2024-12-02 14:54:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:54:34,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 363 [2024-12-02 14:54:34,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:34,342 INFO L225 Difference]: With dead ends: 90673 [2024-12-02 14:54:34,342 INFO L226 Difference]: Without dead ends: 48285 [2024-12-02 14:54:34,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:54:34,435 INFO L435 NwaCegarLoop]: 4791 mSDtfsCounter, 2021 mSDsluCounter, 12287 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 17078 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:34,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 17078 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 14:54:34,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48285 states. [2024-12-02 14:54:35,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48285 to 48271. [2024-12-02 14:54:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48271 states, 36122 states have (on average 1.3125795913847518) internal successors, (47413), 36662 states have internal predecessors, (47413), 9753 states have call successors, (9753), 2390 states have call predecessors, (9753), 2394 states have return successors, (9763), 9725 states have call predecessors, (9763), 9753 states have call successors, (9763) [2024-12-02 14:54:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48271 states to 48271 states and 66929 transitions. [2024-12-02 14:54:35,970 INFO L78 Accepts]: Start accepts. Automaton has 48271 states and 66929 transitions. Word has length 363 [2024-12-02 14:54:35,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:35,971 INFO L471 AbstractCegarLoop]: Abstraction has 48271 states and 66929 transitions. [2024-12-02 14:54:35,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 14:54:35,971 INFO L276 IsEmpty]: Start isEmpty. Operand 48271 states and 66929 transitions. [2024-12-02 14:54:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-12-02 14:54:35,992 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:35,992 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:54:35,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 14:54:35,992 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:54:35,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:35,992 INFO L85 PathProgramCache]: Analyzing trace with hash -160918693, now seen corresponding path program 1 times [2024-12-02 14:54:35,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:35,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232479469] [2024-12-02 14:54:35,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:35,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2024-12-02 14:54:40,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:40,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232479469] [2024-12-02 14:54:40,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232479469] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:40,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:40,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:54:40,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293200820] [2024-12-02 14:54:40,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:40,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:54:40,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:40,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:54:40,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:54:40,332 INFO L87 Difference]: Start difference. First operand 48271 states and 66929 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 14:54:44,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:54:47,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:47,194 INFO L93 Difference]: Finished difference Result 100417 states and 139273 transitions. [2024-12-02 14:54:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:54:47,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 364 [2024-12-02 14:54:47,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:47,388 INFO L225 Difference]: With dead ends: 100417 [2024-12-02 14:54:47,388 INFO L226 Difference]: Without dead ends: 53129 [2024-12-02 14:54:47,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:54:47,499 INFO L435 NwaCegarLoop]: 4791 mSDtfsCounter, 2007 mSDsluCounter, 12296 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2007 SdHoareTripleChecker+Valid, 17087 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:47,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2007 Valid, 17087 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 14:54:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53129 states. [2024-12-02 14:54:48,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53129 to 53115. [2024-12-02 14:54:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53115 states, 39768 states have (on average 1.3131412190706095) internal successors, (52221), 40360 states have internal predecessors, (52221), 10717 states have call successors, (10717), 2624 states have call predecessors, (10717), 2628 states have return successors, (10727), 10687 states have call predecessors, (10727), 10717 states have call successors, (10727) [2024-12-02 14:54:49,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53115 states to 53115 states and 73665 transitions. [2024-12-02 14:54:49,150 INFO L78 Accepts]: Start accepts. Automaton has 53115 states and 73665 transitions. Word has length 364 [2024-12-02 14:54:49,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:49,151 INFO L471 AbstractCegarLoop]: Abstraction has 53115 states and 73665 transitions. [2024-12-02 14:54:49,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 14:54:49,151 INFO L276 IsEmpty]: Start isEmpty. Operand 53115 states and 73665 transitions. [2024-12-02 14:54:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-12-02 14:54:49,175 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:49,175 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:54:49,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 14:54:49,175 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:54:49,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:49,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1455249122, now seen corresponding path program 1 times [2024-12-02 14:54:49,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:49,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551941270] [2024-12-02 14:54:49,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:49,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2024-12-02 14:54:52,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:52,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551941270] [2024-12-02 14:54:52,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551941270] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:52,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:52,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:54:52,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845186334] [2024-12-02 14:54:52,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:52,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:54:52,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:52,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:54:52,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:54:52,878 INFO L87 Difference]: Start difference. First operand 53115 states and 73665 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 14:54:56,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:54:59,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:59,228 INFO L93 Difference]: Finished difference Result 110283 states and 152949 transitions. [2024-12-02 14:54:59,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:54:59,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 379 [2024-12-02 14:54:59,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:59,456 INFO L225 Difference]: With dead ends: 110283 [2024-12-02 14:54:59,456 INFO L226 Difference]: Without dead ends: 58151 [2024-12-02 14:54:59,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:54:59,580 INFO L435 NwaCegarLoop]: 4841 mSDtfsCounter, 2061 mSDsluCounter, 2719 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2061 SdHoareTripleChecker+Valid, 7560 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:59,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 7560 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 14:54:59,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58151 states. [2024-12-02 14:55:01,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58151 to 58145. [2024-12-02 14:55:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58145 states, 43524 states have (on average 1.3134132892197408) internal successors, (57165), 44176 states have internal predecessors, (57165), 11737 states have call successors, (11737), 2878 states have call predecessors, (11737), 2882 states have return successors, (11747), 11705 states have call predecessors, (11747), 11737 states have call successors, (11747) [2024-12-02 14:55:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58145 states to 58145 states and 80649 transitions. [2024-12-02 14:55:01,541 INFO L78 Accepts]: Start accepts. Automaton has 58145 states and 80649 transitions. Word has length 379 [2024-12-02 14:55:01,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:55:01,542 INFO L471 AbstractCegarLoop]: Abstraction has 58145 states and 80649 transitions. [2024-12-02 14:55:01,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 14:55:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 58145 states and 80649 transitions. [2024-12-02 14:55:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2024-12-02 14:55:01,567 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:55:01,567 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:55:01,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 14:55:01,567 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:55:01,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:55:01,567 INFO L85 PathProgramCache]: Analyzing trace with hash 742006847, now seen corresponding path program 1 times [2024-12-02 14:55:01,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:55:01,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641085170] [2024-12-02 14:55:01,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:01,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:55:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:55:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 51 proven. 15 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2024-12-02 14:55:06,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:55:06,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641085170] [2024-12-02 14:55:06,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641085170] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:55:06,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219341315] [2024-12-02 14:55:06,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:06,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:55:06,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:55:06,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:55:06,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:55:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:55:12,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 3704 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:55:12,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:55:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-12-02 14:55:12,482 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:55:12,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219341315] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:55:12,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:55:12,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 14:55:12,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659067967] [2024-12-02 14:55:12,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:55:12,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:55:12,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:55:12,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:55:12,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:55:12,485 INFO L87 Difference]: Start difference. First operand 58145 states and 80649 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 14:55:16,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:19,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:55:19,255 INFO L93 Difference]: Finished difference Result 120225 states and 166801 transitions. [2024-12-02 14:55:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:55:19,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 386 [2024-12-02 14:55:19,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:55:19,495 INFO L225 Difference]: With dead ends: 120225 [2024-12-02 14:55:19,495 INFO L226 Difference]: Without dead ends: 63063 [2024-12-02 14:55:19,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:55:19,622 INFO L435 NwaCegarLoop]: 3192 mSDtfsCounter, 2557 mSDsluCounter, 2211 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2557 SdHoareTripleChecker+Valid, 5403 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:55:19,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2557 Valid, 5403 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 14:55:19,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63063 states. [2024-12-02 14:55:21,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63063 to 63057. [2024-12-02 14:55:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63057 states, 47230 states have (on average 1.3142705907262333) internal successors, (62073), 47934 states have internal predecessors, (62073), 12705 states have call successors, (12705), 3116 states have call predecessors, (12705), 3120 states have return successors, (12715), 12671 states have call predecessors, (12715), 12705 states have call successors, (12715) [2024-12-02 14:55:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63057 states to 63057 states and 87493 transitions. [2024-12-02 14:55:21,651 INFO L78 Accepts]: Start accepts. Automaton has 63057 states and 87493 transitions. Word has length 386 [2024-12-02 14:55:21,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:55:21,652 INFO L471 AbstractCegarLoop]: Abstraction has 63057 states and 87493 transitions. [2024-12-02 14:55:21,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 14:55:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 63057 states and 87493 transitions. [2024-12-02 14:55:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2024-12-02 14:55:21,681 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:55:21,681 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:55:21,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:55:21,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:55:21,882 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:55:21,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:55:21,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1261577787, now seen corresponding path program 1 times [2024-12-02 14:55:21,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:55:21,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385901274] [2024-12-02 14:55:21,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:21,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:55:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:55:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2024-12-02 14:55:26,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:55:26,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385901274] [2024-12-02 14:55:26,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385901274] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:55:26,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:55:26,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:55:26,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624680422] [2024-12-02 14:55:26,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:55:26,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:55:26,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:55:26,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:55:26,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:55:26,058 INFO L87 Difference]: Start difference. First operand 63057 states and 87493 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 14:55:30,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:32,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:55:32,982 INFO L93 Difference]: Finished difference Result 129969 states and 180365 transitions. [2024-12-02 14:55:32,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:55:32,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 400 [2024-12-02 14:55:32,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:55:33,242 INFO L225 Difference]: With dead ends: 129969 [2024-12-02 14:55:33,242 INFO L226 Difference]: Without dead ends: 67895 [2024-12-02 14:55:33,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:55:33,383 INFO L435 NwaCegarLoop]: 4792 mSDtfsCounter, 2019 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 7507 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:55:33,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 7507 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 14:55:33,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67895 states. [2024-12-02 14:55:35,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67895 to 67889. [2024-12-02 14:55:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67889 states, 50864 states have (on average 1.3146626297577855) internal successors, (66869), 51620 states have internal predecessors, (66869), 13669 states have call successors, (13669), 3350 states have call predecessors, (13669), 3354 states have return successors, (13679), 13633 states have call predecessors, (13679), 13669 states have call successors, (13679) [2024-12-02 14:55:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67889 states to 67889 states and 94217 transitions. [2024-12-02 14:55:35,768 INFO L78 Accepts]: Start accepts. Automaton has 67889 states and 94217 transitions. Word has length 400 [2024-12-02 14:55:35,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:55:35,769 INFO L471 AbstractCegarLoop]: Abstraction has 67889 states and 94217 transitions. [2024-12-02 14:55:35,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 14:55:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 67889 states and 94217 transitions. [2024-12-02 14:55:35,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-12-02 14:55:35,805 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:55:35,805 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:55:35,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 14:55:35,805 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:55:35,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:55:35,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1500203532, now seen corresponding path program 1 times [2024-12-02 14:55:35,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:55:35,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954525337] [2024-12-02 14:55:35,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:35,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:55:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:55:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1235 trivial. 0 not checked. [2024-12-02 14:55:39,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:55:39,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954525337] [2024-12-02 14:55:39,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954525337] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:55:39,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:55:39,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:55:39,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409250267] [2024-12-02 14:55:39,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:55:39,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:55:39,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:55:39,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:55:39,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:55:39,953 INFO L87 Difference]: Start difference. First operand 67889 states and 94217 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 14:55:43,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:55:47,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:55:47,236 INFO L93 Difference]: Finished difference Result 141329 states and 195985 transitions. [2024-12-02 14:55:47,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:55:47,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 418 [2024-12-02 14:55:47,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:55:47,545 INFO L225 Difference]: With dead ends: 141329 [2024-12-02 14:55:47,545 INFO L226 Difference]: Without dead ends: 74423 [2024-12-02 14:55:47,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:55:47,707 INFO L435 NwaCegarLoop]: 4582 mSDtfsCounter, 2095 mSDsluCounter, 11837 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 16419 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:55:47,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 16419 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 14:55:47,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74423 states. [2024-12-02 14:55:50,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74423 to 69593. [2024-12-02 14:55:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69593 states, 52086 states have (on average 1.3129247782513536) internal successors, (68385), 52854 states have internal predecessors, (68385), 14007 states have call successors, (14007), 3490 states have call predecessors, (14007), 3498 states have return successors, (14021), 13975 states have call predecessors, (14021), 14007 states have call successors, (14021) [2024-12-02 14:55:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69593 states to 69593 states and 96413 transitions. [2024-12-02 14:55:51,051 INFO L78 Accepts]: Start accepts. Automaton has 69593 states and 96413 transitions. Word has length 418 [2024-12-02 14:55:51,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:55:51,051 INFO L471 AbstractCegarLoop]: Abstraction has 69593 states and 96413 transitions. [2024-12-02 14:55:51,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 14:55:51,052 INFO L276 IsEmpty]: Start isEmpty. Operand 69593 states and 96413 transitions. [2024-12-02 14:55:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2024-12-02 14:55:51,106 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:55:51,107 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:55:51,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 14:55:51,107 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:55:51,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:55:51,107 INFO L85 PathProgramCache]: Analyzing trace with hash -314475175, now seen corresponding path program 1 times [2024-12-02 14:55:51,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:55:51,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882925480] [2024-12-02 14:55:51,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:51,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:55:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:55:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2024-12-02 14:55:55,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:55:55,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882925480] [2024-12-02 14:55:55,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882925480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:55:55,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:55:55,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:55:55,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440088439] [2024-12-02 14:55:55,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:55:55,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:55:55,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:55:55,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:55:55,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:55:55,753 INFO L87 Difference]: Start difference. First operand 69593 states and 96413 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 14:55:59,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:56:03,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:56:03,031 INFO L93 Difference]: Finished difference Result 143081 states and 198245 transitions. [2024-12-02 14:56:03,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:56:03,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 419 [2024-12-02 14:56:03,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:56:03,341 INFO L225 Difference]: With dead ends: 143081 [2024-12-02 14:56:03,341 INFO L226 Difference]: Without dead ends: 74471 [2024-12-02 14:56:03,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:56:03,510 INFO L435 NwaCegarLoop]: 4792 mSDtfsCounter, 2020 mSDsluCounter, 12289 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 17081 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:56:03,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 17081 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 14:56:03,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74471 states. [2024-12-02 14:56:05,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74471 to 69621. [2024-12-02 14:56:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69621 states, 52106 states have (on average 1.3128046674087437) internal successors, (68405), 52874 states have internal predecessors, (68405), 14007 states have call successors, (14007), 3494 states have call predecessors, (14007), 3506 states have return successors, (14025), 13979 states have call predecessors, (14025), 14007 states have call successors, (14025) [2024-12-02 14:56:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69621 states to 69621 states and 96437 transitions. [2024-12-02 14:56:05,911 INFO L78 Accepts]: Start accepts. Automaton has 69621 states and 96437 transitions. Word has length 419 [2024-12-02 14:56:05,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:56:05,911 INFO L471 AbstractCegarLoop]: Abstraction has 69621 states and 96437 transitions. [2024-12-02 14:56:05,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 14:56:05,911 INFO L276 IsEmpty]: Start isEmpty. Operand 69621 states and 96437 transitions. [2024-12-02 14:56:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2024-12-02 14:56:05,946 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:56:05,946 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:56:05,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 14:56:05,947 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:56:05,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:56:05,947 INFO L85 PathProgramCache]: Analyzing trace with hash 97271671, now seen corresponding path program 1 times [2024-12-02 14:56:05,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:56:05,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348392237] [2024-12-02 14:56:05,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:56:05,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:56:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:56:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 95 proven. 26 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2024-12-02 14:56:10,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:56:10,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348392237] [2024-12-02 14:56:10,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348392237] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:56:10,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856417814] [2024-12-02 14:56:10,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:56:10,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:56:10,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:56:10,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:56:10,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:56:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:56:16,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 3773 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:56:16,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:56:16,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2024-12-02 14:56:16,917 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:56:16,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856417814] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:56:16,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:56:16,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-12-02 14:56:16,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448762576] [2024-12-02 14:56:16,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:56:16,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:56:16,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:56:16,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:56:16,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:56:16,919 INFO L87 Difference]: Start difference. First operand 69621 states and 96437 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 14:56:20,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:56:24,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:56:24,739 INFO L93 Difference]: Finished difference Result 143141 states and 198333 transitions. [2024-12-02 14:56:24,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:56:24,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 420 [2024-12-02 14:56:24,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:56:25,037 INFO L225 Difference]: With dead ends: 143141 [2024-12-02 14:56:25,037 INFO L226 Difference]: Without dead ends: 74503 [2024-12-02 14:56:25,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:56:25,185 INFO L435 NwaCegarLoop]: 3198 mSDtfsCounter, 2554 mSDsluCounter, 8600 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2554 SdHoareTripleChecker+Valid, 11798 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:56:25,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2554 Valid, 11798 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-12-02 14:56:25,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74503 states. [2024-12-02 14:56:27,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74503 to 74489. [2024-12-02 14:56:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74489 states, 55776 states have (on average 1.313557802639128) internal successors, (73265), 56596 states have internal predecessors, (73265), 14971 states have call successors, (14971), 3728 states have call predecessors, (14971), 3740 states have return successors, (14989), 14941 states have call predecessors, (14989), 14971 states have call successors, (14989) [2024-12-02 14:56:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74489 states to 74489 states and 103225 transitions. [2024-12-02 14:56:27,917 INFO L78 Accepts]: Start accepts. Automaton has 74489 states and 103225 transitions. Word has length 420 [2024-12-02 14:56:27,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:56:27,917 INFO L471 AbstractCegarLoop]: Abstraction has 74489 states and 103225 transitions. [2024-12-02 14:56:27,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 14:56:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand 74489 states and 103225 transitions. [2024-12-02 14:56:27,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2024-12-02 14:56:27,958 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:56:27,958 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:56:27,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 14:56:28,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc909787-0e04-4b83-a640-045c8dd2e43d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:56:28,158 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:56:28,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:56:28,159 INFO L85 PathProgramCache]: Analyzing trace with hash 815370504, now seen corresponding path program 1 times [2024-12-02 14:56:28,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:56:28,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312226435] [2024-12-02 14:56:28,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:56:28,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:56:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:56:31,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2024-12-02 14:56:31,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:56:31,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312226435] [2024-12-02 14:56:31,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312226435] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:56:31,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:56:31,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:56:31,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620956727] [2024-12-02 14:56:31,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:56:31,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:56:31,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:56:31,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:56:31,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:56:31,896 INFO L87 Difference]: Start difference. First operand 74489 states and 103225 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:56:35,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:56:39,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:56:39,291 INFO L93 Difference]: Finished difference Result 153415 states and 212599 transitions. [2024-12-02 14:56:39,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:56:39,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 436 [2024-12-02 14:56:39,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:56:39,590 INFO L225 Difference]: With dead ends: 153415 [2024-12-02 14:56:39,590 INFO L226 Difference]: Without dead ends: 79909 [2024-12-02 14:56:39,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:56:39,725 INFO L435 NwaCegarLoop]: 4591 mSDtfsCounter, 2031 mSDsluCounter, 2717 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 7308 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:56:39,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 7308 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 14:56:39,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79909 states. [2024-12-02 14:56:41,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79909 to 79903. [2024-12-02 14:56:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79903 states, 59802 states have (on average 1.3133172803585165) internal successors, (78539), 60684 states have internal predecessors, (78539), 16083 states have call successors, (16083), 4004 states have call predecessors, (16083), 4016 states have return successors, (16101), 16051 states have call predecessors, (16101), 16083 states have call successors, (16101) [2024-12-02 14:56:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79903 states to 79903 states and 110723 transitions. [2024-12-02 14:56:42,131 INFO L78 Accepts]: Start accepts. Automaton has 79903 states and 110723 transitions. Word has length 436 [2024-12-02 14:56:42,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:56:42,132 INFO L471 AbstractCegarLoop]: Abstraction has 79903 states and 110723 transitions. [2024-12-02 14:56:42,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:56:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 79903 states and 110723 transitions. [2024-12-02 14:56:42,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2024-12-02 14:56:42,173 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:56:42,173 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:56:42,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 14:56:42,173 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:56:42,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:56:42,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1679393597, now seen corresponding path program 1 times [2024-12-02 14:56:42,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:56:42,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251051166] [2024-12-02 14:56:42,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:56:42,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:56:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:56:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1351 trivial. 0 not checked. [2024-12-02 14:56:47,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:56:47,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251051166] [2024-12-02 14:56:47,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251051166] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:56:47,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:56:47,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:56:47,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392934852] [2024-12-02 14:56:47,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:56:47,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:56:47,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:56:47,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:56:47,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:56:47,957 INFO L87 Difference]: Start difference. First operand 79903 states and 110723 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 14:56:49,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:56:49,752 INFO L93 Difference]: Finished difference Result 79903 states and 110723 transitions. [2024-12-02 14:56:49,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:56:49,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 437 [2024-12-02 14:56:49,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:56:50,092 INFO L225 Difference]: With dead ends: 79903 [2024-12-02 14:56:50,092 INFO L226 Difference]: Without dead ends: 79901 [2024-12-02 14:56:50,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:56:50,133 INFO L435 NwaCegarLoop]: 2775 mSDtfsCounter, 2626 mSDsluCounter, 5572 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 8347 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:56:50,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 8347 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:56:50,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79901 states. [2024-12-02 14:56:52,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79901 to 79901. [2024-12-02 14:56:52,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79901 states, 59801 states have (on average 1.312753967324961) internal successors, (78504), 60682 states have internal predecessors, (78504), 16083 states have call successors, (16083), 4004 states have call predecessors, (16083), 4016 states have return successors, (16101), 16051 states have call predecessors, (16101), 16083 states have call successors, (16101) [2024-12-02 14:56:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79901 states to 79901 states and 110688 transitions. [2024-12-02 14:56:52,622 INFO L78 Accepts]: Start accepts. Automaton has 79901 states and 110688 transitions. Word has length 437 [2024-12-02 14:56:52,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:56:52,622 INFO L471 AbstractCegarLoop]: Abstraction has 79901 states and 110688 transitions. [2024-12-02 14:56:52,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 14:56:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 79901 states and 110688 transitions. [2024-12-02 14:56:52,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2024-12-02 14:56:52,666 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:56:52,666 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:56:52,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 14:56:52,666 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 14:56:52,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:56:52,667 INFO L85 PathProgramCache]: Analyzing trace with hash 116906879, now seen corresponding path program 1 times [2024-12-02 14:56:52,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:56:52,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744296985] [2024-12-02 14:56:52,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:56:52,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:56:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat