./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.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_ecb84b33-9d88-48fc-8f0c-a847447638aa/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/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_ecb84b33-9d88-48fc-8f0c-a847447638aa/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/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_ecb84b33-9d88-48fc-8f0c-a847447638aa/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 141cc550f279b59aa80e553b6a405c5654c50ab0a30e94ad7616006c63d0c81e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:48:00,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:48:00,291 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 06:48:00,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:48:00,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:48:00,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:48:00,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:48:00,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:48:00,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:48:00,323 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:48:00,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:48:00,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:48:00,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:48:00,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:48:00,324 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:48:00,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:48:00,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:48:00,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:48:00,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:48:00,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:48:00,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:48:00,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:48:00,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:48:00,325 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:48:00,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:48:00,326 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:48:00,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:48:00,326 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:48:00,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:48:00,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:48:00,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:48:00,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:48:00,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:48:00,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:48:00,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:48:00,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:48:00,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:48:00,327 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:48:00,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:48:00,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:48:00,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:48:00,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:48:00,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:48:00,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:48:00,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:48:00,328 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_ecb84b33-9d88-48fc-8f0c-a847447638aa/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 -> 141cc550f279b59aa80e553b6a405c5654c50ab0a30e94ad7616006c63d0c81e [2024-12-02 06:48:00,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:48:00,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:48:00,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:48:00,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:48:00,591 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:48:00,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2024-12-02 06:48:03,261 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/bin/uautomizer-verify-84ZbGMXZE1/data/c44746bb1/f176abf824964f81b1c1a1810098b71c/FLAGf84b734c7 [2024-12-02 06:48:03,734 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:48:03,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2024-12-02 06:48:03,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/bin/uautomizer-verify-84ZbGMXZE1/data/c44746bb1/f176abf824964f81b1c1a1810098b71c/FLAGf84b734c7 [2024-12-02 06:48:03,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/bin/uautomizer-verify-84ZbGMXZE1/data/c44746bb1/f176abf824964f81b1c1a1810098b71c [2024-12-02 06:48:03,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:48:03,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:48:03,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:48:03,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:48:03,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:48:03,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:48:03" (1/1) ... [2024-12-02 06:48:03,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27439b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:03, skipping insertion in model container [2024-12-02 06:48:03,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:48:03" (1/1) ... [2024-12-02 06:48:03,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:48:06,228 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_ecb84b33-9d88-48fc-8f0c-a847447638aa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322818,322831] [2024-12-02 06:48:06,232 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_ecb84b33-9d88-48fc-8f0c-a847447638aa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322987,323000] [2024-12-02 06:48:06,233 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_ecb84b33-9d88-48fc-8f0c-a847447638aa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323154,323167] [2024-12-02 06:48:06,233 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_ecb84b33-9d88-48fc-8f0c-a847447638aa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323322,323335] [2024-12-02 06:48:06,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:48:06,331 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:48:06,403 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"); [5246] [2024-12-02 06:48:06,405 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)); [5253] [2024-12-02 06:48:06,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5260] [2024-12-02 06:48:06,407 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/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5310-5311] [2024-12-02 06:48:06,407 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"); [5316-5318] [2024-12-02 06:48:06,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5416] [2024-12-02 06:48:06,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5424] [2024-12-02 06:48:06,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5432] [2024-12-02 06:48:06,411 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5439] [2024-12-02 06:48:06,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5446] [2024-12-02 06:48:06,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5453] [2024-12-02 06:48:06,418 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)); [5552-5553] [2024-12-02 06:48:06,420 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)); [5586-5587] [2024-12-02 06:48:06,421 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" (103), "i" (12UL)); [5623-5624] [2024-12-02 06:48:06,422 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" (115), "i" (12UL)); [5660-5661] [2024-12-02 06:48:06,569 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_ecb84b33-9d88-48fc-8f0c-a847447638aa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322818,322831] [2024-12-02 06:48:06,569 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_ecb84b33-9d88-48fc-8f0c-a847447638aa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[322987,323000] [2024-12-02 06:48:06,570 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_ecb84b33-9d88-48fc-8f0c-a847447638aa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323154,323167] [2024-12-02 06:48:06,570 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_ecb84b33-9d88-48fc-8f0c-a847447638aa/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i[323322,323335] [2024-12-02 06:48:06,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:48:06,722 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:48:06,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06 WrapperNode [2024-12-02 06:48:06,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:48:06,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:48:06,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:48:06,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:48:06,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:06,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:06,972 INFO L138 Inliner]: procedures = 411, calls = 1894, calls flagged for inlining = 207, calls inlined = 191, statements flattened = 5108 [2024-12-02 06:48:06,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:48:06,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:48:06,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:48:06,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:48:06,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:06,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:07,009 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:07,730 INFO L175 MemorySlicer]: Split 992 memory accesses to 17 slices as follows [3, 8, 8, 205, 1, 2, 9, 9, 9, 9, 19, 2, 1, 648, 54, 3, 2]. 65 percent of accesses are in the largest equivalence class. The 90 initializations are split as follows [0, 8, 8, 18, 1, 2, 8, 8, 8, 8, 0, 0, 0, 20, 0, 1, 0]. The 561 writes are split as follows [0, 0, 0, 187, 0, 0, 0, 0, 0, 0, 16, 1, 0, 314, 42, 0, 1]. [2024-12-02 06:48:07,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:07,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:07,819 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:07,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:07,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:07,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:07,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:07,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:48:07,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:48:07,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:48:07,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:48:07,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (1/1) ... [2024-12-02 06:48:07,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:48:07,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:48:07,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:48:07,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb84b33-9d88-48fc-8f0c-a847447638aa/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:48:07,973 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2024-12-02 06:48:07,973 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2024-12-02 06:48:07,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 06:48:07,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 06:48:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 06:48:07,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 06:48:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 06:48:07,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 06:48:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 06:48:07,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 06:48:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_close [2024-12-02 06:48:07,974 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_close [2024-12-02 06:48:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 06:48:07,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 06:48:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2024-12-02 06:48:07,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2024-12-02 06:48:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 06:48:07,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 06:48:07,975 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 06:48:07,975 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 06:48:07,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hamachi_private [2024-12-02 06:48:07,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hamachi_private [2024-12-02 06:48:07,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 06:48:07,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 06:48:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 06:48:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 06:48:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 06:48:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 06:48:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 06:48:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 06:48:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 06:48:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 06:48:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 06:48:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 06:48:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 06:48:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 06:48:07,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 06:48:07,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 06:48:07,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 06:48:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 06:48:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 06:48:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 06:48:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 06:48:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 06:48:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 06:48:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 06:48:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:48:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:48:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:48:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:48:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:48:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:48:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-12-02 06:48:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 06:48:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 06:48:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 06:48:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 06:48:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 06:48:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 06:48:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 06:48:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 06:48:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2024-12-02 06:48:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2024-12-02 06:48:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 06:48:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 06:48:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 06:48:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 06:48:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 06:48:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 06:48:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 06:48:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 06:48:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 06:48:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-12-02 06:48:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 06:48:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 06:48:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 06:48:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 06:48:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 06:48:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 06:48:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 06:48:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 06:48:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 06:48:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 06:48:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 06:48:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 06:48:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:48:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:48:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 06:48:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 06:48:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hamachi_private [2024-12-02 06:48:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hamachi_private [2024-12-02 06:48:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 06:48:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 06:48:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 06:48:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 06:48:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 06:48:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 06:48:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 06:48:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 06:48:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 06:48:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 06:48:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-12-02 06:48:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-12-02 06:48:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-12-02 06:48:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-12-02 06:48:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_nway_reset [2024-12-02 06:48:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_nway_reset [2024-12-02 06:48:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-12-02 06:48:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-12-02 06:48:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:48:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:48:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 06:48:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 06:48:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 06:48:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 06:48:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 06:48:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 06:48:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 06:48:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 06:48:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_hamachi_exit_15_2 [2024-12-02 06:48:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_hamachi_exit_15_2 [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 06:48:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 06:48:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 06:48:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_open [2024-12-02 06:48:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_open [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 06:48:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-12-02 06:48:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 06:48:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 06:48:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 06:48:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 06:48:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 06:48:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 06:48:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 06:48:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 06:48:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_68 [2024-12-02 06:48:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_68 [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 06:48:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 06:48:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 06:48:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 06:48:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_remove_one [2024-12-02 06:48:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_remove_one [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:48:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 06:48:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 06:48:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_69 [2024-12-02 06:48:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_69 [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_get_stats [2024-12-02 06:48:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_get_stats [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_tx_timeout [2024-12-02 06:48:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_tx_timeout [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 06:48:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-12-02 06:48:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 06:48:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:48:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure hamachi_timer [2024-12-02 06:48:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure hamachi_timer [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 06:48:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 06:48:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-12-02 06:48:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-12-02 06:48:08,756 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:48:08,759 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:48:08,806 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 06:48:20,061 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 06:48:20,885 INFO L? ?]: Removed 2221 outVars from TransFormulas that were not future-live. [2024-12-02 06:48:20,886 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:48:20,923 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:48:20,923 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 06:48:20,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:20 BoogieIcfgContainer [2024-12-02 06:48:20,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:48:20,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:48:20,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:48:20,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:48:20,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:48:03" (1/3) ... [2024-12-02 06:48:20,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f79859a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:48:20, skipping insertion in model container [2024-12-02 06:48:20,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:48:06" (2/3) ... [2024-12-02 06:48:20,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f79859a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:48:20, skipping insertion in model container [2024-12-02 06:48:20,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:48:20" (3/3) ... [2024-12-02 06:48:20,933 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i [2024-12-02 06:48:20,947 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:48:20,951 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-packetengines-hamachi.cil.i that has 77 procedures, 1806 locations, 1 initial locations, 3 loop locations, and 3 error locations. [2024-12-02 06:48:21,040 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:48:21,050 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;@55778425, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:48:21,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 06:48:21,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 1804 states, 1292 states have (on average 1.3165634674922602) internal successors, (1701), 1319 states have internal predecessors, (1701), 434 states have call successors, (434), 76 states have call predecessors, (434), 75 states have return successors, (427), 414 states have call predecessors, (427), 427 states have call successors, (427) [2024-12-02 06:48:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 06:48:21,076 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:48:21,076 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:21,077 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:48:21,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:48:21,082 INFO L85 PathProgramCache]: Analyzing trace with hash -807221662, now seen corresponding path program 1 times [2024-12-02 06:48:21,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:48:21,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598912845] [2024-12-02 06:48:21,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:48:21,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:48:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:48:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-12-02 06:48:55,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:48:55,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598912845] [2024-12-02 06:48:55,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598912845] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:48:55,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:48:55,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:48:55,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740461300] [2024-12-02 06:48:55,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:48:55,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:48:55,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:48:55,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:48:55,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:48:55,406 INFO L87 Difference]: Start difference. First operand has 1804 states, 1292 states have (on average 1.3165634674922602) internal successors, (1701), 1319 states have internal predecessors, (1701), 434 states have call successors, (434), 76 states have call predecessors, (434), 75 states have return successors, (427), 414 states have call predecessors, (427), 427 states have call successors, (427) 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 06:48:59,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:49:00,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:49:00,386 INFO L93 Difference]: Finished difference Result 4990 states and 7196 transitions. [2024-12-02 06:49:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:49:00,389 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 129 [2024-12-02 06:49:00,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:49:00,424 INFO L225 Difference]: With dead ends: 4990 [2024-12-02 06:49:00,424 INFO L226 Difference]: Without dead ends: 3193 [2024-12-02 06:49:00,437 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 06:49:00,439 INFO L435 NwaCegarLoop]: 2694 mSDtfsCounter, 2033 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 5148 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:49:00,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2033 Valid, 5148 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 06:49:00,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2024-12-02 06:49:00,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 3166. [2024-12-02 06:49:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3166 states, 2263 states have (on average 1.2929739284136104) internal successors, (2926), 2317 states have internal predecessors, (2926), 758 states have call successors, (758), 144 states have call predecessors, (758), 142 states have return successors, (763), 723 states have call predecessors, (763), 754 states have call successors, (763) [2024-12-02 06:49:00,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 3166 states and 4447 transitions. [2024-12-02 06:49:00,672 INFO L78 Accepts]: Start accepts. Automaton has 3166 states and 4447 transitions. Word has length 129 [2024-12-02 06:49:00,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:49:00,673 INFO L471 AbstractCegarLoop]: Abstraction has 3166 states and 4447 transitions. [2024-12-02 06:49:00,673 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 06:49:00,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 4447 transitions. [2024-12-02 06:49:00,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 06:49:00,680 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:49:00,681 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:49:00,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:49:00,681 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:49:00,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:00,682 INFO L85 PathProgramCache]: Analyzing trace with hash 876683088, now seen corresponding path program 1 times [2024-12-02 06:49:00,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:00,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168365033] [2024-12-02 06:49:00,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:00,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:49:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:49:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-12-02 06:49:34,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:49:34,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168365033] [2024-12-02 06:49:34,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168365033] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:49:34,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:49:34,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:49:34,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640715691] [2024-12-02 06:49:34,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:49:34,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:49:34,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:49:34,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:49:34,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:49:34,715 INFO L87 Difference]: Start difference. First operand 3166 states and 4447 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 06:49:38,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:49:39,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:49:39,742 INFO L93 Difference]: Finished difference Result 9305 states and 13076 transitions. [2024-12-02 06:49:39,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:49:39,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 129 [2024-12-02 06:49:39,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:49:39,777 INFO L225 Difference]: With dead ends: 9305 [2024-12-02 06:49:39,777 INFO L226 Difference]: Without dead ends: 6162 [2024-12-02 06:49:39,788 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 06:49:39,789 INFO L435 NwaCegarLoop]: 2530 mSDtfsCounter, 2383 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2383 SdHoareTripleChecker+Valid, 4985 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:49:39,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2383 Valid, 4985 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 06:49:39,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6162 states. [2024-12-02 06:49:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6162 to 6158. [2024-12-02 06:49:40,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6158 states, 4422 states have (on average 1.294210764360018) internal successors, (5723), 4522 states have internal predecessors, (5723), 1452 states have call successors, (1452), 284 states have call predecessors, (1452), 281 states have return successors, (1466), 1389 states have call predecessors, (1466), 1448 states have call successors, (1466) [2024-12-02 06:49:40,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6158 states to 6158 states and 8641 transitions. [2024-12-02 06:49:40,095 INFO L78 Accepts]: Start accepts. Automaton has 6158 states and 8641 transitions. Word has length 129 [2024-12-02 06:49:40,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:49:40,095 INFO L471 AbstractCegarLoop]: Abstraction has 6158 states and 8641 transitions. [2024-12-02 06:49:40,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 06:49:40,096 INFO L276 IsEmpty]: Start isEmpty. Operand 6158 states and 8641 transitions. [2024-12-02 06:49:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 06:49:40,100 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:49:40,100 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:49:40,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:49:40,100 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:49:40,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:40,101 INFO L85 PathProgramCache]: Analyzing trace with hash 70334389, now seen corresponding path program 1 times [2024-12-02 06:49:40,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:40,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64721449] [2024-12-02 06:49:40,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:40,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:50:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:50:14,151 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-12-02 06:50:14,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:50:14,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64721449] [2024-12-02 06:50:14,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64721449] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:50:14,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:50:14,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:50:14,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110902198] [2024-12-02 06:50:14,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:50:14,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:50:14,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:50:14,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:50:14,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:50:14,154 INFO L87 Difference]: Start difference. First operand 6158 states and 8641 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 06:50:18,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:50:19,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:50:19,761 INFO L93 Difference]: Finished difference Result 17434 states and 24503 transitions. [2024-12-02 06:50:19,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:50:19,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 134 [2024-12-02 06:50:19,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:50:19,847 INFO L225 Difference]: With dead ends: 17434 [2024-12-02 06:50:19,847 INFO L226 Difference]: Without dead ends: 11299 [2024-12-02 06:50:19,873 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 06:50:19,902 INFO L435 NwaCegarLoop]: 2530 mSDtfsCounter, 2162 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 4973 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:50:19,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 4973 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 06:50:19,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11299 states. [2024-12-02 06:50:20,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11299 to 11268. [2024-12-02 06:50:20,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11268 states, 8060 states have (on average 1.297394540942928) internal successors, (10457), 8250 states have internal predecessors, (10457), 2670 states have call successors, (2670), 540 states have call predecessors, (2670), 535 states have return successors, (2708), 2543 states have call predecessors, (2708), 2666 states have call successors, (2708) [2024-12-02 06:50:20,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11268 states to 11268 states and 15835 transitions. [2024-12-02 06:50:20,525 INFO L78 Accepts]: Start accepts. Automaton has 11268 states and 15835 transitions. Word has length 134 [2024-12-02 06:50:20,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:50:20,526 INFO L471 AbstractCegarLoop]: Abstraction has 11268 states and 15835 transitions. [2024-12-02 06:50:20,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 06:50:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 11268 states and 15835 transitions. [2024-12-02 06:50:20,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 06:50:20,535 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:50:20,535 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:50:20,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:50:20,535 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:50:20,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:50:20,536 INFO L85 PathProgramCache]: Analyzing trace with hash 72805628, now seen corresponding path program 1 times [2024-12-02 06:50:20,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:50:20,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992707246] [2024-12-02 06:50:20,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:50:20,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:50:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:50:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-12-02 06:50:54,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:50:54,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992707246] [2024-12-02 06:50:54,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992707246] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:50:54,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:50:54,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:50:54,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654331575] [2024-12-02 06:50:54,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:50:54,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:50:54,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:50:54,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:50:54,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:50:54,205 INFO L87 Difference]: Start difference. First operand 11268 states and 15835 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 06:50:58,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:50:59,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:50:59,421 INFO L93 Difference]: Finished difference Result 22573 states and 31712 transitions. [2024-12-02 06:50:59,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:50:59,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 192 [2024-12-02 06:50:59,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:50:59,513 INFO L225 Difference]: With dead ends: 22573 [2024-12-02 06:50:59,513 INFO L226 Difference]: Without dead ends: 16752 [2024-12-02 06:50:59,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:50:59,539 INFO L435 NwaCegarLoop]: 4867 mSDtfsCounter, 2353 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2353 SdHoareTripleChecker+Valid, 7351 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:50:59,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2353 Valid, 7351 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 06:50:59,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16752 states. [2024-12-02 06:51:00,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16752 to 16748. [2024-12-02 06:51:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16748 states, 11992 states have (on average 1.297781854569713) internal successors, (15563), 12270 states have internal predecessors, (15563), 3953 states have call successors, (3953), 807 states have call predecessors, (3953), 800 states have return successors, (4012), 3769 states have call predecessors, (4012), 3949 states have call successors, (4012) [2024-12-02 06:51:00,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16748 states to 16748 states and 23528 transitions. [2024-12-02 06:51:00,130 INFO L78 Accepts]: Start accepts. Automaton has 16748 states and 23528 transitions. Word has length 192 [2024-12-02 06:51:00,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:00,130 INFO L471 AbstractCegarLoop]: Abstraction has 16748 states and 23528 transitions. [2024-12-02 06:51:00,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 06:51:00,132 INFO L276 IsEmpty]: Start isEmpty. Operand 16748 states and 23528 transitions. [2024-12-02 06:51:00,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 06:51:00,138 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:00,138 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:00,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:51:00,139 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:51:00,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:00,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1996033662, now seen corresponding path program 1 times [2024-12-02 06:51:00,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:00,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734758886] [2024-12-02 06:51:00,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:00,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:51:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-12-02 06:51:33,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:51:33,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734758886] [2024-12-02 06:51:33,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734758886] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:51:33,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:51:33,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:51:33,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139435648] [2024-12-02 06:51:33,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:51:33,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:51:33,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:51:33,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:51:33,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:51:33,796 INFO L87 Difference]: Start difference. First operand 16748 states and 23528 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 06:51:34,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:34,402 INFO L93 Difference]: Finished difference Result 16754 states and 23533 transitions. [2024-12-02 06:51:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:51:34,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 192 [2024-12-02 06:51:34,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:34,455 INFO L225 Difference]: With dead ends: 16754 [2024-12-02 06:51:34,455 INFO L226 Difference]: Without dead ends: 16752 [2024-12-02 06:51:34,463 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 06:51:34,463 INFO L435 NwaCegarLoop]: 2514 mSDtfsCounter, 2462 mSDsluCounter, 5015 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2463 SdHoareTripleChecker+Valid, 7529 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:34,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2463 Valid, 7529 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:51:34,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16752 states. [2024-12-02 06:51:34,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16752 to 16752. [2024-12-02 06:51:34,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16752 states, 11995 states have (on average 1.2977073780741977) internal successors, (15566), 12273 states have internal predecessors, (15566), 3953 states have call successors, (3953), 808 states have call predecessors, (3953), 801 states have return successors, (4012), 3769 states have call predecessors, (4012), 3949 states have call successors, (4012) [2024-12-02 06:51:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16752 states to 16752 states and 23531 transitions. [2024-12-02 06:51:34,965 INFO L78 Accepts]: Start accepts. Automaton has 16752 states and 23531 transitions. Word has length 192 [2024-12-02 06:51:34,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:34,966 INFO L471 AbstractCegarLoop]: Abstraction has 16752 states and 23531 transitions. [2024-12-02 06:51:34,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 06:51:34,966 INFO L276 IsEmpty]: Start isEmpty. Operand 16752 states and 23531 transitions. [2024-12-02 06:51:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-12-02 06:51:34,971 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:34,971 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:34,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:51:34,971 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:51:34,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:34,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2036537974, now seen corresponding path program 1 times [2024-12-02 06:51:34,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:34,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866647390] [2024-12-02 06:51:34,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:34,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:52:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:09,817 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-12-02 06:52:09,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:52:09,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866647390] [2024-12-02 06:52:09,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866647390] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:52:09,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:52:09,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:52:09,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806431760] [2024-12-02 06:52:09,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:52:09,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:52:09,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:52:09,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:52:09,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:52:09,819 INFO L87 Difference]: Start difference. First operand 16752 states and 23531 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 06:52:10,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:52:10,511 INFO L93 Difference]: Finished difference Result 16758 states and 23536 transitions. [2024-12-02 06:52:10,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:52:10,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 197 [2024-12-02 06:52:10,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:52:10,604 INFO L225 Difference]: With dead ends: 16758 [2024-12-02 06:52:10,604 INFO L226 Difference]: Without dead ends: 16756 [2024-12-02 06:52:10,617 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 06:52:10,617 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2458 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2459 SdHoareTripleChecker+Valid, 7533 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:52:10,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2459 Valid, 7533 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:52:10,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16756 states. [2024-12-02 06:52:11,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16756 to 16756. [2024-12-02 06:52:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16756 states, 11998 states have (on average 1.2976329388231371) internal successors, (15569), 12276 states have internal predecessors, (15569), 3953 states have call successors, (3953), 809 states have call predecessors, (3953), 802 states have return successors, (4012), 3769 states have call predecessors, (4012), 3949 states have call successors, (4012) [2024-12-02 06:52:11,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16756 states to 16756 states and 23534 transitions. [2024-12-02 06:52:11,453 INFO L78 Accepts]: Start accepts. Automaton has 16756 states and 23534 transitions. Word has length 197 [2024-12-02 06:52:11,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:52:11,453 INFO L471 AbstractCegarLoop]: Abstraction has 16756 states and 23534 transitions. [2024-12-02 06:52:11,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 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 06:52:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 16756 states and 23534 transitions. [2024-12-02 06:52:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-12-02 06:52:11,463 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:52:11,463 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:11,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:52:11,463 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:52:11,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:11,464 INFO L85 PathProgramCache]: Analyzing trace with hash -487592073, now seen corresponding path program 1 times [2024-12-02 06:52:11,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:52:11,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083485451] [2024-12-02 06:52:11,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:11,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:52:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-12-02 06:52:48,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:52:48,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083485451] [2024-12-02 06:52:48,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083485451] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:52:48,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:52:48,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:52:48,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597629263] [2024-12-02 06:52:48,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:52:48,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:52:48,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:52:48,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:52:48,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:52:48,639 INFO L87 Difference]: Start difference. First operand 16756 states and 23534 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 06:52:52,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:52:54,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:52:54,423 INFO L93 Difference]: Finished difference Result 33633 states and 47046 transitions. [2024-12-02 06:52:54,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:52:54,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 195 [2024-12-02 06:52:54,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:52:54,483 INFO L225 Difference]: With dead ends: 33633 [2024-12-02 06:52:54,483 INFO L226 Difference]: Without dead ends: 16900 [2024-12-02 06:52:54,528 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 06:52:54,529 INFO L435 NwaCegarLoop]: 3103 mSDtfsCounter, 1512 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 5550 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:52:54,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 5550 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 06:52:54,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16900 states. [2024-12-02 06:52:55,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16900 to 16861. [2024-12-02 06:52:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16861 states, 12200 states have (on average 1.288606557377049) internal successors, (15721), 12452 states have internal predecessors, (15721), 3798 states have call successors, (3798), 869 states have call predecessors, (3798), 860 states have return successors, (3836), 3627 states have call predecessors, (3836), 3794 states have call successors, (3836) [2024-12-02 06:52:55,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16861 states to 16861 states and 23355 transitions. [2024-12-02 06:52:55,087 INFO L78 Accepts]: Start accepts. Automaton has 16861 states and 23355 transitions. Word has length 195 [2024-12-02 06:52:55,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:52:55,087 INFO L471 AbstractCegarLoop]: Abstraction has 16861 states and 23355 transitions. [2024-12-02 06:52:55,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 06:52:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 16861 states and 23355 transitions. [2024-12-02 06:52:55,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-12-02 06:52:55,094 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:52:55,094 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:55,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:52:55,094 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:52:55,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:55,095 INFO L85 PathProgramCache]: Analyzing trace with hash -53993352, now seen corresponding path program 1 times [2024-12-02 06:52:55,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:52:55,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756424355] [2024-12-02 06:52:55,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:55,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:53:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:29,728 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2024-12-02 06:53:29,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:53:29,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756424355] [2024-12-02 06:53:29,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756424355] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:53:29,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:53:29,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:53:29,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213838591] [2024-12-02 06:53:29,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:53:29,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:53:29,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:53:29,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:53:29,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:53:29,731 INFO L87 Difference]: Start difference. First operand 16861 states and 23355 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 06:53:33,802 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 06:53:35,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:53:35,155 INFO L93 Difference]: Finished difference Result 41586 states and 57672 transitions. [2024-12-02 06:53:35,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:53:35,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 211 [2024-12-02 06:53:35,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:53:35,267 INFO L225 Difference]: With dead ends: 41586 [2024-12-02 06:53:35,267 INFO L226 Difference]: Without dead ends: 24921 [2024-12-02 06:53:35,314 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 06:53:35,314 INFO L435 NwaCegarLoop]: 4868 mSDtfsCounter, 2386 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 7354 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:53:35,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 7354 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 06:53:35,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24921 states. [2024-12-02 06:53:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24921 to 24891. [2024-12-02 06:53:36,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24891 states, 18036 states have (on average 1.2891993790197382) internal successors, (23252), 18399 states have internal predecessors, (23252), 5585 states have call successors, (5585), 1278 states have call predecessors, (5585), 1267 states have return successors, (5644), 5345 states have call predecessors, (5644), 5581 states have call successors, (5644) [2024-12-02 06:53:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24891 states to 24891 states and 34481 transitions. [2024-12-02 06:53:36,222 INFO L78 Accepts]: Start accepts. Automaton has 24891 states and 34481 transitions. Word has length 211 [2024-12-02 06:53:36,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:53:36,222 INFO L471 AbstractCegarLoop]: Abstraction has 24891 states and 34481 transitions. [2024-12-02 06:53:36,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 06:53:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 24891 states and 34481 transitions. [2024-12-02 06:53:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-12-02 06:53:36,229 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:53:36,229 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:53:36,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:53:36,229 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:53:36,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:53:36,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1151423042, now seen corresponding path program 1 times [2024-12-02 06:53:36,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:53:36,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393434097] [2024-12-02 06:53:36,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:36,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:54:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:54:13,329 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-12-02 06:54:13,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:54:13,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393434097] [2024-12-02 06:54:13,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393434097] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:54:13,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:54:13,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:54:13,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937169638] [2024-12-02 06:54:13,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:54:13,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:54:13,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:54:13,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:54:13,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:54:13,331 INFO L87 Difference]: Start difference. First operand 24891 states and 34481 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 06:54:14,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:54:14,185 INFO L93 Difference]: Finished difference Result 24897 states and 34486 transitions. [2024-12-02 06:54:14,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:54:14,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 202 [2024-12-02 06:54:14,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:54:14,264 INFO L225 Difference]: With dead ends: 24897 [2024-12-02 06:54:14,264 INFO L226 Difference]: Without dead ends: 24895 [2024-12-02 06:54:14,277 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 06:54:14,278 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2457 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2458 SdHoareTripleChecker+Valid, 7533 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:54:14,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2458 Valid, 7533 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:54:14,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24895 states. [2024-12-02 06:54:14,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24895 to 24895. [2024-12-02 06:54:14,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24895 states, 18039 states have (on average 1.2891512833305616) internal successors, (23255), 18402 states have internal predecessors, (23255), 5585 states have call successors, (5585), 1279 states have call predecessors, (5585), 1268 states have return successors, (5644), 5345 states have call predecessors, (5644), 5581 states have call successors, (5644) [2024-12-02 06:54:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24895 states to 24895 states and 34484 transitions. [2024-12-02 06:54:15,107 INFO L78 Accepts]: Start accepts. Automaton has 24895 states and 34484 transitions. Word has length 202 [2024-12-02 06:54:15,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:54:15,108 INFO L471 AbstractCegarLoop]: Abstraction has 24895 states and 34484 transitions. [2024-12-02 06:54:15,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 06:54:15,108 INFO L276 IsEmpty]: Start isEmpty. Operand 24895 states and 34484 transitions. [2024-12-02 06:54:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-12-02 06:54:15,112 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:54:15,112 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:54:15,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:54:15,112 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:54:15,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:54:15,113 INFO L85 PathProgramCache]: Analyzing trace with hash -112001590, now seen corresponding path program 1 times [2024-12-02 06:54:15,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:54:15,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083753669] [2024-12-02 06:54:15,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:54:15,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:54:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:54:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2024-12-02 06:54:55,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:54:55,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083753669] [2024-12-02 06:54:55,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083753669] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:54:55,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:54:55,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:54:55,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814397113] [2024-12-02 06:54:55,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:54:55,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:54:55,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:54:55,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:54:55,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:54:55,389 INFO L87 Difference]: Start difference. First operand 24895 states and 34484 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 06:54:56,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:54:56,502 INFO L93 Difference]: Finished difference Result 24901 states and 34489 transitions. [2024-12-02 06:54:56,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:54:56,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 207 [2024-12-02 06:54:56,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:54:56,599 INFO L225 Difference]: With dead ends: 24901 [2024-12-02 06:54:56,599 INFO L226 Difference]: Without dead ends: 24899 [2024-12-02 06:54:56,613 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 06:54:56,614 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2456 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 7533 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:54:56,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 7533 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:54:56,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24899 states. [2024-12-02 06:54:57,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24899 to 24899. [2024-12-02 06:54:57,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24899 states, 18042 states have (on average 1.2891032036359604) internal successors, (23258), 18405 states have internal predecessors, (23258), 5585 states have call successors, (5585), 1280 states have call predecessors, (5585), 1269 states have return successors, (5644), 5345 states have call predecessors, (5644), 5581 states have call successors, (5644) [2024-12-02 06:54:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24899 states to 24899 states and 34487 transitions. [2024-12-02 06:54:57,547 INFO L78 Accepts]: Start accepts. Automaton has 24899 states and 34487 transitions. Word has length 207 [2024-12-02 06:54:57,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:54:57,548 INFO L471 AbstractCegarLoop]: Abstraction has 24899 states and 34487 transitions. [2024-12-02 06:54:57,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 06:54:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 24899 states and 34487 transitions. [2024-12-02 06:54:57,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-02 06:54:57,551 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:54:57,551 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:54:57,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:54:57,551 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:54:57,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:54:57,552 INFO L85 PathProgramCache]: Analyzing trace with hash -332927746, now seen corresponding path program 1 times [2024-12-02 06:54:57,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:54:57,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301631282] [2024-12-02 06:54:57,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:54:57,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:55:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-12-02 06:55:33,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:55:33,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301631282] [2024-12-02 06:55:33,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301631282] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:55:33,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:55:33,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:55:33,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329132147] [2024-12-02 06:55:33,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:55:33,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:55:33,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:55:33,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:55:33,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:55:33,788 INFO L87 Difference]: Start difference. First operand 24899 states and 34487 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 06:55:34,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:34,763 INFO L93 Difference]: Finished difference Result 24905 states and 34492 transitions. [2024-12-02 06:55:34,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:55:34,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 212 [2024-12-02 06:55:34,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:34,843 INFO L225 Difference]: With dead ends: 24905 [2024-12-02 06:55:34,843 INFO L226 Difference]: Without dead ends: 24903 [2024-12-02 06:55:34,856 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 06:55:34,857 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2455 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2456 SdHoareTripleChecker+Valid, 7533 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:34,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2456 Valid, 7533 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:55:34,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24903 states. [2024-12-02 06:55:36,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24903 to 24903. [2024-12-02 06:55:36,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24903 states, 18045 states have (on average 1.289055139927958) internal successors, (23261), 18408 states have internal predecessors, (23261), 5585 states have call successors, (5585), 1281 states have call predecessors, (5585), 1270 states have return successors, (5644), 5345 states have call predecessors, (5644), 5581 states have call successors, (5644) [2024-12-02 06:55:36,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24903 states to 24903 states and 34490 transitions. [2024-12-02 06:55:36,160 INFO L78 Accepts]: Start accepts. Automaton has 24903 states and 34490 transitions. Word has length 212 [2024-12-02 06:55:36,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:36,161 INFO L471 AbstractCegarLoop]: Abstraction has 24903 states and 34490 transitions. [2024-12-02 06:55:36,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 06:55:36,161 INFO L276 IsEmpty]: Start isEmpty. Operand 24903 states and 34490 transitions. [2024-12-02 06:55:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-12-02 06:55:36,164 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:36,164 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:55:36,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:55:36,165 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:55:36,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:36,165 INFO L85 PathProgramCache]: Analyzing trace with hash -857115126, now seen corresponding path program 1 times [2024-12-02 06:55:36,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:55:36,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463054272] [2024-12-02 06:55:36,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:36,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:15,397 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2024-12-02 06:56:15,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:15,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463054272] [2024-12-02 06:56:15,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463054272] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:15,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:15,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:56:15,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997019017] [2024-12-02 06:56:15,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:15,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:15,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:15,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:15,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:56:15,399 INFO L87 Difference]: Start difference. First operand 24903 states and 34490 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 06:56:16,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:16,437 INFO L93 Difference]: Finished difference Result 24909 states and 34495 transitions. [2024-12-02 06:56:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:16,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2024-12-02 06:56:16,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:16,504 INFO L225 Difference]: With dead ends: 24909 [2024-12-02 06:56:16,504 INFO L226 Difference]: Without dead ends: 24907 [2024-12-02 06:56:16,516 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 06:56:16,516 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2454 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2455 SdHoareTripleChecker+Valid, 7533 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:16,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2455 Valid, 7533 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:56:16,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24907 states. [2024-12-02 06:56:17,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24907 to 24907. [2024-12-02 06:56:17,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24907 states, 18048 states have (on average 1.2890070921985815) internal successors, (23264), 18411 states have internal predecessors, (23264), 5585 states have call successors, (5585), 1282 states have call predecessors, (5585), 1271 states have return successors, (5644), 5345 states have call predecessors, (5644), 5581 states have call successors, (5644) [2024-12-02 06:56:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24907 states to 24907 states and 34493 transitions. [2024-12-02 06:56:17,753 INFO L78 Accepts]: Start accepts. Automaton has 24907 states and 34493 transitions. Word has length 217 [2024-12-02 06:56:17,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:17,754 INFO L471 AbstractCegarLoop]: Abstraction has 24907 states and 34493 transitions. [2024-12-02 06:56:17,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 06:56:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 24907 states and 34493 transitions. [2024-12-02 06:56:17,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 06:56:17,757 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:17,757 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:56:17,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:56:17,758 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:56:17,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:17,758 INFO L85 PathProgramCache]: Analyzing trace with hash 424463422, now seen corresponding path program 1 times [2024-12-02 06:56:17,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:17,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742475026] [2024-12-02 06:56:17,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:17,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:51,429 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2024-12-02 06:56:51,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:51,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742475026] [2024-12-02 06:56:51,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742475026] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:51,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:51,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:56:51,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051018462] [2024-12-02 06:56:51,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:51,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:51,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:51,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:51,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:56:51,430 INFO L87 Difference]: Start difference. First operand 24907 states and 34493 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 06:56:52,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:52,743 INFO L93 Difference]: Finished difference Result 26212 states and 35854 transitions. [2024-12-02 06:56:52,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:52,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 222 [2024-12-02 06:56:52,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:52,845 INFO L225 Difference]: With dead ends: 26212 [2024-12-02 06:56:52,845 INFO L226 Difference]: Without dead ends: 26210 [2024-12-02 06:56:52,860 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 06:56:52,860 INFO L435 NwaCegarLoop]: 2579 mSDtfsCounter, 1990 mSDsluCounter, 5752 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 8331 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:52,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1991 Valid, 8331 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:56:52,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26210 states. [2024-12-02 06:56:53,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26210 to 26210. [2024-12-02 06:56:53,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26210 states, 18918 states have (on average 1.2790464108256687) internal successors, (24197), 19290 states have internal predecessors, (24197), 5798 states have call successors, (5798), 1502 states have call predecessors, (5798), 1491 states have return successors, (5857), 5558 states have call predecessors, (5857), 5794 states have call successors, (5857) [2024-12-02 06:56:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26210 states to 26210 states and 35852 transitions. [2024-12-02 06:56:53,942 INFO L78 Accepts]: Start accepts. Automaton has 26210 states and 35852 transitions. Word has length 222 [2024-12-02 06:56:53,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:53,943 INFO L471 AbstractCegarLoop]: Abstraction has 26210 states and 35852 transitions. [2024-12-02 06:56:53,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 06:56:53,943 INFO L276 IsEmpty]: Start isEmpty. Operand 26210 states and 35852 transitions. [2024-12-02 06:56:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-12-02 06:56:53,947 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:53,947 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:56:53,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:56:53,947 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:56:53,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:53,948 INFO L85 PathProgramCache]: Analyzing trace with hash 745033290, now seen corresponding path program 1 times [2024-12-02 06:56:53,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:53,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723044922] [2024-12-02 06:56:53,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:53,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:57:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-12-02 06:57:30,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:57:30,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723044922] [2024-12-02 06:57:30,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723044922] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:30,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:30,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:57:30,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081807904] [2024-12-02 06:57:30,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:30,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:57:30,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:57:30,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:57:30,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:57:30,424 INFO L87 Difference]: Start difference. First operand 26210 states and 35852 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 06:57:31,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:31,746 INFO L93 Difference]: Finished difference Result 26216 states and 35857 transitions. [2024-12-02 06:57:31,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:57:31,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 227 [2024-12-02 06:57:31,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:31,840 INFO L225 Difference]: With dead ends: 26216 [2024-12-02 06:57:31,840 INFO L226 Difference]: Without dead ends: 26214 [2024-12-02 06:57:31,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:57:31,855 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2452 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2453 SdHoareTripleChecker+Valid, 7533 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:31,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2453 Valid, 7533 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:57:31,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26214 states. [2024-12-02 06:57:33,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26214 to 26214. [2024-12-02 06:57:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26214 states, 18921 states have (on average 1.2790021669044978) internal successors, (24200), 19293 states have internal predecessors, (24200), 5798 states have call successors, (5798), 1503 states have call predecessors, (5798), 1492 states have return successors, (5857), 5558 states have call predecessors, (5857), 5794 states have call successors, (5857) [2024-12-02 06:57:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26214 states to 26214 states and 35855 transitions. [2024-12-02 06:57:33,140 INFO L78 Accepts]: Start accepts. Automaton has 26214 states and 35855 transitions. Word has length 227 [2024-12-02 06:57:33,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:33,141 INFO L471 AbstractCegarLoop]: Abstraction has 26214 states and 35855 transitions. [2024-12-02 06:57:33,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 06:57:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 26214 states and 35855 transitions. [2024-12-02 06:57:33,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-12-02 06:57:33,145 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:33,146 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:57:33,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:57:33,146 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:57:33,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:33,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1127920770, now seen corresponding path program 1 times [2024-12-02 06:57:33,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:57:33,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962881045] [2024-12-02 06:57:33,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:33,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:58:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:10,943 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2024-12-02 06:58:10,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:58:10,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962881045] [2024-12-02 06:58:10,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962881045] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:10,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:58:10,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:58:10,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846553897] [2024-12-02 06:58:10,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:10,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:58:10,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:58:10,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:58:10,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:58:10,945 INFO L87 Difference]: Start difference. First operand 26214 states and 35855 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 06:58:12,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:12,104 INFO L93 Difference]: Finished difference Result 26220 states and 35860 transitions. [2024-12-02 06:58:12,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:58:12,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 232 [2024-12-02 06:58:12,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:12,176 INFO L225 Difference]: With dead ends: 26220 [2024-12-02 06:58:12,176 INFO L226 Difference]: Without dead ends: 26218 [2024-12-02 06:58:12,188 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 06:58:12,189 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2451 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2452 SdHoareTripleChecker+Valid, 7533 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:12,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2452 Valid, 7533 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:58:12,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26218 states. [2024-12-02 06:58:13,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26218 to 26218. [2024-12-02 06:58:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26218 states, 18924 states have (on average 1.2789579370112028) internal successors, (24203), 19296 states have internal predecessors, (24203), 5798 states have call successors, (5798), 1504 states have call predecessors, (5798), 1493 states have return successors, (5857), 5558 states have call predecessors, (5857), 5794 states have call successors, (5857) [2024-12-02 06:58:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26218 states to 26218 states and 35858 transitions. [2024-12-02 06:58:13,297 INFO L78 Accepts]: Start accepts. Automaton has 26218 states and 35858 transitions. Word has length 232 [2024-12-02 06:58:13,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:13,297 INFO L471 AbstractCegarLoop]: Abstraction has 26218 states and 35858 transitions. [2024-12-02 06:58:13,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 06:58:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 26218 states and 35858 transitions. [2024-12-02 06:58:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-12-02 06:58:13,302 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:13,302 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:13,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:58:13,302 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:58:13,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:13,303 INFO L85 PathProgramCache]: Analyzing trace with hash 416777866, now seen corresponding path program 1 times [2024-12-02 06:58:13,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:13,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006434031] [2024-12-02 06:58:13,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:13,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:58:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:46,412 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 06:58:46,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:58:46,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006434031] [2024-12-02 06:58:46,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006434031] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:46,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:58:46,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:58:46,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721002187] [2024-12-02 06:58:46,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:46,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:58:46,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:58:46,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:58:46,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:58:46,413 INFO L87 Difference]: Start difference. First operand 26218 states and 35858 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 06:58:47,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:47,633 INFO L93 Difference]: Finished difference Result 26224 states and 35863 transitions. [2024-12-02 06:58:47,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:58:47,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 237 [2024-12-02 06:58:47,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:47,704 INFO L225 Difference]: With dead ends: 26224 [2024-12-02 06:58:47,704 INFO L226 Difference]: Without dead ends: 26222 [2024-12-02 06:58:47,717 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 06:58:47,717 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2450 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2451 SdHoareTripleChecker+Valid, 7533 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:47,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2451 Valid, 7533 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:58:47,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26222 states. [2024-12-02 06:58:48,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26222 to 26222. [2024-12-02 06:58:48,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26222 states, 18927 states have (on average 1.2789137211391135) internal successors, (24206), 19299 states have internal predecessors, (24206), 5798 states have call successors, (5798), 1505 states have call predecessors, (5798), 1494 states have return successors, (5857), 5558 states have call predecessors, (5857), 5794 states have call successors, (5857) [2024-12-02 06:58:48,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26222 states to 26222 states and 35861 transitions. [2024-12-02 06:58:48,870 INFO L78 Accepts]: Start accepts. Automaton has 26222 states and 35861 transitions. Word has length 237 [2024-12-02 06:58:48,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:48,871 INFO L471 AbstractCegarLoop]: Abstraction has 26222 states and 35861 transitions. [2024-12-02 06:58:48,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 06:58:48,871 INFO L276 IsEmpty]: Start isEmpty. Operand 26222 states and 35861 transitions. [2024-12-02 06:58:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 06:58:48,876 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:48,876 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:48,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 06:58:48,877 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:58:48,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:48,877 INFO L85 PathProgramCache]: Analyzing trace with hash -776458861, now seen corresponding path program 1 times [2024-12-02 06:58:48,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:48,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065199891] [2024-12-02 06:58:48,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:48,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:59:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:21,651 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2024-12-02 06:59:21,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:59:21,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065199891] [2024-12-02 06:59:21,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065199891] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:21,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:21,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:59:21,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572304917] [2024-12-02 06:59:21,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:21,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:59:21,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:59:21,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:59:21,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:59:21,653 INFO L87 Difference]: Start difference. First operand 26222 states and 35861 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 06:59:22,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:22,987 INFO L93 Difference]: Finished difference Result 26228 states and 35866 transitions. [2024-12-02 06:59:22,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:59:22,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 278 [2024-12-02 06:59:22,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:23,052 INFO L225 Difference]: With dead ends: 26228 [2024-12-02 06:59:23,052 INFO L226 Difference]: Without dead ends: 26224 [2024-12-02 06:59:23,062 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 06:59:23,062 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2443 mSDsluCounter, 5016 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2444 SdHoareTripleChecker+Valid, 7533 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:23,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2444 Valid, 7533 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:59:23,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26224 states. [2024-12-02 06:59:24,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26224 to 26224. [2024-12-02 06:59:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26224 states, 18929 states have (on average 1.2788314226847695) internal successors, (24207), 19300 states have internal predecessors, (24207), 5798 states have call successors, (5798), 1506 states have call predecessors, (5798), 1494 states have return successors, (5857), 5558 states have call predecessors, (5857), 5794 states have call successors, (5857) [2024-12-02 06:59:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26224 states to 26224 states and 35862 transitions. [2024-12-02 06:59:24,279 INFO L78 Accepts]: Start accepts. Automaton has 26224 states and 35862 transitions. Word has length 278 [2024-12-02 06:59:24,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:24,279 INFO L471 AbstractCegarLoop]: Abstraction has 26224 states and 35862 transitions. [2024-12-02 06:59:24,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 06:59:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 26224 states and 35862 transitions. [2024-12-02 06:59:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-12-02 06:59:24,285 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:24,285 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 12, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:59:24,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:59:24,286 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:59:24,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:24,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1688133647, now seen corresponding path program 1 times [2024-12-02 06:59:24,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:59:24,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698169153] [2024-12-02 06:59:24,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:24,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:59:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2024-12-02 06:59:56,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:59:56,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698169153] [2024-12-02 06:59:56,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698169153] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:56,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:56,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:59:56,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885838962] [2024-12-02 06:59:56,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:56,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:59:56,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:59:56,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:59:56,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:59:56,759 INFO L87 Difference]: Start difference. First operand 26224 states and 35862 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 07:00:00,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:00:02,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:02,943 INFO L93 Difference]: Finished difference Result 60787 states and 83127 transitions. [2024-12-02 07:00:02,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:02,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 282 [2024-12-02 07:00:02,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:03,032 INFO L225 Difference]: With dead ends: 60787 [2024-12-02 07:00:03,033 INFO L226 Difference]: Without dead ends: 34759 [2024-12-02 07:00:03,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:03,084 INFO L435 NwaCegarLoop]: 4907 mSDtfsCounter, 2393 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2393 SdHoareTripleChecker+Valid, 7391 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:03,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2393 Valid, 7391 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 07:00:03,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34759 states. [2024-12-02 07:00:04,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34759 to 34695. [2024-12-02 07:00:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34695 states, 25050 states have (on average 1.2792015968063872) internal successors, (32044), 25535 states have internal predecessors, (32044), 7664 states have call successors, (7664), 1996 states have call predecessors, (7664), 1978 states have return successors, (7744), 7351 states have call predecessors, (7744), 7660 states have call successors, (7744) [2024-12-02 07:00:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34695 states to 34695 states and 47452 transitions. [2024-12-02 07:00:04,709 INFO L78 Accepts]: Start accepts. Automaton has 34695 states and 47452 transitions. Word has length 282 [2024-12-02 07:00:04,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:04,710 INFO L471 AbstractCegarLoop]: Abstraction has 34695 states and 47452 transitions. [2024-12-02 07:00:04,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 07:00:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 34695 states and 47452 transitions. [2024-12-02 07:00:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-12-02 07:00:04,718 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:04,718 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 11, 11, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:00:04,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 07:00:04,719 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 07:00:04,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:04,719 INFO L85 PathProgramCache]: Analyzing trace with hash -381739318, now seen corresponding path program 1 times [2024-12-02 07:00:04,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:04,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38968529] [2024-12-02 07:00:04,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:04,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 706 trivial. 0 not checked. [2024-12-02 07:00:38,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:38,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38968529] [2024-12-02 07:00:38,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38968529] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:38,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:38,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:00:38,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038331865] [2024-12-02 07:00:38,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:38,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:00:38,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:38,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:00:38,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:00:38,189 INFO L87 Difference]: Start difference. First operand 34695 states and 47452 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 07:00:39,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:39,860 INFO L93 Difference]: Finished difference Result 34695 states and 47452 transitions. [2024-12-02 07:00:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:00:39,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 247 [2024-12-02 07:00:39,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:39,948 INFO L225 Difference]: With dead ends: 34695 [2024-12-02 07:00:39,948 INFO L226 Difference]: Without dead ends: 34016 [2024-12-02 07:00:39,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:00:39,961 INFO L435 NwaCegarLoop]: 2515 mSDtfsCounter, 2445 mSDsluCounter, 5014 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2445 SdHoareTripleChecker+Valid, 7529 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:39,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2445 Valid, 7529 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:00:39,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34016 states. [2024-12-02 07:00:41,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34016 to 25809. [2024-12-02 07:00:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25809 states, 18639 states have (on average 1.279199527871667) internal successors, (23843), 18986 states have internal predecessors, (23843), 5699 states have call successors, (5699), 1475 states have call predecessors, (5699), 1469 states have return successors, (5762), 5488 states have call predecessors, (5762), 5699 states have call successors, (5762) [2024-12-02 07:00:41,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25809 states to 25809 states and 35304 transitions. [2024-12-02 07:00:41,571 INFO L78 Accepts]: Start accepts. Automaton has 25809 states and 35304 transitions. Word has length 247 [2024-12-02 07:00:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:41,572 INFO L471 AbstractCegarLoop]: Abstraction has 25809 states and 35304 transitions. [2024-12-02 07:00:41,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 07:00:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 25809 states and 35304 transitions. [2024-12-02 07:00:41,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-12-02 07:00:41,580 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:41,580 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:00:41,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 07:00:41,580 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 07:00:41,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:41,580 INFO L85 PathProgramCache]: Analyzing trace with hash -2132655519, now seen corresponding path program 1 times [2024-12-02 07:00:41,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:41,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904989558] [2024-12-02 07:00:41,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:41,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:01:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:01:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2024-12-02 07:01:13,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:01:13,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904989558] [2024-12-02 07:01:13,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904989558] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:01:13,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:01:13,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:01:13,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135253050] [2024-12-02 07:01:13,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:01:13,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:01:13,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:01:13,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:01:13,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:01:13,621 INFO L87 Difference]: Start difference. First operand 25809 states and 35304 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 07:01:17,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:01:20,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:01:20,401 INFO L93 Difference]: Finished difference Result 59828 states and 81688 transitions. [2024-12-02 07:01:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:01:20,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 266 [2024-12-02 07:01:20,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:01:20,490 INFO L225 Difference]: With dead ends: 59828 [2024-12-02 07:01:20,490 INFO L226 Difference]: Without dead ends: 34215 [2024-12-02 07:01:20,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:01:20,544 INFO L435 NwaCegarLoop]: 3875 mSDtfsCounter, 1464 mSDsluCounter, 2395 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1464 SdHoareTripleChecker+Valid, 6270 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:01:20,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1464 Valid, 6270 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 07:01:20,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34215 states. [2024-12-02 07:01:22,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34215 to 34207. [2024-12-02 07:01:22,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34207 states, 24810 states have (on average 1.2748891575977428) internal successors, (31630), 25233 states have internal predecessors, (31630), 7385 states have call successors, (7385), 2016 states have call predecessors, (7385), 2010 states have return successors, (7448), 7134 states have call predecessors, (7448), 7385 states have call successors, (7448) [2024-12-02 07:01:22,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34207 states to 34207 states and 46463 transitions. [2024-12-02 07:01:22,493 INFO L78 Accepts]: Start accepts. Automaton has 34207 states and 46463 transitions. Word has length 266 [2024-12-02 07:01:22,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:01:22,493 INFO L471 AbstractCegarLoop]: Abstraction has 34207 states and 46463 transitions. [2024-12-02 07:01:22,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 07:01:22,493 INFO L276 IsEmpty]: Start isEmpty. Operand 34207 states and 46463 transitions. [2024-12-02 07:01:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-12-02 07:01:22,502 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:01:22,502 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:01:22,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 07:01:22,502 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 07:01:22,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:01:22,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1400679711, now seen corresponding path program 1 times [2024-12-02 07:01:22,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:01:22,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926154732] [2024-12-02 07:01:22,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:01:22,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms