./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC --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 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:26:56,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:26:56,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 18:26:56,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:26:56,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:26:56,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:26:56,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:26:56,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:26:56,902 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:26:56,902 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:26:56,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:26:56,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:26:56,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:26:56,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:26:56,903 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:26:56,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:26:56,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:26:56,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:26:56,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:26:56,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:26:56,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:26:56,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:26:56,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:26:56,905 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:26:56,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:26:56,905 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:26:56,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:26:56,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:26:56,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:26:56,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:26:56,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:26:56,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:26:56,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:26:56,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:26:56,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:26:56,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:26:56,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:26:56,907 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:26:56,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:26:56,907 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:26:56,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:26:56,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:26:56,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:26:56,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:26:56,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:26:56,908 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_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC 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 -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2024-11-23 18:26:57,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:26:57,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:26:57,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:26:57,281 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:26:57,281 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:26:57,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2024-11-23 18:27:00,342 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/data/9beb81361/35a19b96bb494d25a1cd500ab6cb6681/FLAGc9e2c9590 [2024-11-23 18:27:01,138 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:27:01,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2024-11-23 18:27:01,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/data/9beb81361/35a19b96bb494d25a1cd500ab6cb6681/FLAGc9e2c9590 [2024-11-23 18:27:01,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/data/9beb81361/35a19b96bb494d25a1cd500ab6cb6681 [2024-11-23 18:27:01,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:27:01,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:27:01,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:27:01,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:27:01,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:27:01,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:27:01" (1/1) ... [2024-11-23 18:27:01,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9bb4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:01, skipping insertion in model container [2024-11-23 18:27:01,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:27:01" (1/1) ... [2024-11-23 18:27:01,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:27:04,206 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_c1c7a27a-35a4-4f98-85d9-073aa859342e/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2024-11-23 18:27:04,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:27:04,312 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:27:04,473 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"); [5541] [2024-11-23 18:27:04,475 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)); [5548] [2024-11-23 18:27:04,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5555] [2024-11-23 18:27:04,479 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/076166e/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5604-5605] [2024-11-23 18:27:04,481 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"); [5610-5612] [2024-11-23 18:27:04,482 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/076166e/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (809), "i" (12UL)); [5637-5638] [2024-11-23 18:27:04,484 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5643-5645] [2024-11-23 18:27:04,485 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/076166e/linux-drivers-clk1/lkbce/arch/x86/include/asm/paravirt.h"), "i" (814), "i" (12UL)); [5669-5670] [2024-11-23 18:27:04,486 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5675-5677] [2024-11-23 18:27:04,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5703] [2024-11-23 18:27:04,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [5849] [2024-11-23 18:27:04,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [5856] [2024-11-23 18:27:04,509 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)); [5968-5969] [2024-11-23 18:27:04,512 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)); [6002-6003] [2024-11-23 18:27:04,523 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/linux/skbuff.h"), "i" (1516), "i" (12UL)); [6177-6178] [2024-11-23 18:27:04,530 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/linux/netdevice.h"), "i" (502), "i" (12UL)); [6357-6358] [2024-11-23 18:27:04,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6364] [2024-11-23 18:27:04,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7641] [2024-11-23 18:27:04,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7681] [2024-11-23 18:27:04,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7734] [2024-11-23 18:27:04,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7786] [2024-11-23 18:27:04,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7810] [2024-11-23 18:27:04,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7831] [2024-11-23 18:27:04,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7919] [2024-11-23 18:27:04,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/cadence/macb.c"), "i" (808), "i" (12UL)); [7938-7939] [2024-11-23 18:27:04,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7963] [2024-11-23 18:27:04,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7993] [2024-11-23 18:27:04,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/cadence/macb.c"), "i" (863), "i" (12UL)); [8017-8018] [2024-11-23 18:27:04,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8300] [2024-11-23 18:27:04,953 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_c1c7a27a-35a4-4f98-85d9-073aa859342e/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2024-11-23 18:27:04,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:27:05,155 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:27:05,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05 WrapperNode [2024-11-23 18:27:05,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:27:05,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:27:05,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:27:05,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:27:05,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:05,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:05,627 INFO L138 Inliner]: procedures = 413, calls = 2226, calls flagged for inlining = 248, calls inlined = 233, statements flattened = 6274 [2024-11-23 18:27:05,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:27:05,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:27:05,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:27:05,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:27:05,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:05,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:05,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:07,573 INFO L175 MemorySlicer]: Split 1161 memory accesses to 20 slices as follows [8, 1, 40, 14, 17, 5, 9, 5, 8, 56, 4, 5, 6, 3, 1, 2, 113, 2, 46, 816]. 70 percent of accesses are in the largest equivalence class. The 112 initializations are split as follows [8, 0, 0, 0, 17, 5, 0, 5, 8, 0, 4, 5, 6, 0, 1, 2, 0, 0, 46, 5]. The 493 writes are split as follows [0, 1, 0, 14, 0, 0, 3, 0, 0, 48, 0, 0, 0, 0, 0, 0, 113, 1, 0, 313]. [2024-11-23 18:27:07,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:07,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:07,755 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:07,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:07,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:07,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:07,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:07,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:27:07,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:27:07,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:27:07,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:27:07,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (1/1) ... [2024-11-23 18:27:07,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:27:07,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:27:07,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:27:07,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:27:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 18:27:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 18:27:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-23 18:27:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-23 18:27:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-23 18:27:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-23 18:27:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 18:27:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 18:27:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2024-11-23 18:27:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2024-11-23 18:27:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-23 18:27:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-23 18:27:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-23 18:27:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-23 18:27:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-23 18:27:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-23 18:27:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2024-11-23 18:27:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2024-11-23 18:27:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2024-11-23 18:27:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2024-11-23 18:27:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-23 18:27:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-23 18:27:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-23 18:27:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-23 18:27:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2024-11-23 18:27:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2024-11-23 18:27:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-23 18:27:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-23 18:27:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-23 18:27:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-23 18:27:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-23 18:27:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-23 18:27:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-23 18:27:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-23 18:27:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 18:27:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 18:27:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-11-23 18:27:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-11-23 18:27:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-23 18:27:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-23 18:27:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 18:27:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2024-11-23 18:27:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-23 18:27:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-23 18:27:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-23 18:27:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-23 18:27:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 18:27:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 18:27:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 18:27:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 18:27:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 18:27:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 18:27:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 18:27:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 18:27:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-23 18:27:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-23 18:27:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-23 18:27:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2024-11-23 18:27:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2024-11-23 18:27:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-23 18:27:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-23 18:27:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-11-23 18:27:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-11-23 18:27:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 18:27:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-23 18:27:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 18:27:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 18:27:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 18:27:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-23 18:27:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-23 18:27:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2024-11-23 18:27:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2024-11-23 18:27:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-23 18:27:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-23 18:27:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-23 18:27:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-23 18:27:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-23 18:27:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-23 18:27:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-23 18:27:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-23 18:27:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-23 18:27:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-23 18:27:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-23 18:27:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-23 18:27:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-23 18:27:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-23 18:27:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-23 18:27:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-23 18:27:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-23 18:27:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-23 18:27:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-23 18:27:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-23 18:27:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-23 18:27:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-23 18:27:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-23 18:27:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-23 18:27:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-23 18:27:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-23 18:27:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-11-23 18:27:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-11-23 18:27:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2024-11-23 18:27:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2024-11-23 18:27:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-23 18:27:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-23 18:27:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2024-11-23 18:27:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2024-11-23 18:27:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2024-11-23 18:27:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2024-11-23 18:27:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 18:27:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2024-11-23 18:27:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2024-11-23 18:27:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2024-11-23 18:27:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2024-11-23 18:27:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-11-23 18:27:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-11-23 18:27:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:27:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-23 18:27:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-23 18:27:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2024-11-23 18:27:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2024-11-23 18:27:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 18:27:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 18:27:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 18:27:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 18:27:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 18:27:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 18:27:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 18:27:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 18:27:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 18:27:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 18:27:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 18:27:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 18:27:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 18:27:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 18:27:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 18:27:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 18:27:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 18:27:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 18:27:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-23 18:27:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-23 18:27:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-23 18:27:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-23 18:27:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-23 18:27:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2024-11-23 18:27:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-11-23 18:27:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:27:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-23 18:27:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-23 18:27:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2024-11-23 18:27:08,055 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 18:27:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 18:27:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 18:27:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 18:27:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 18:27:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 18:27:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 18:27:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 18:27:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 18:27:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 18:27:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2024-11-23 18:27:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2024-11-23 18:27:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2024-11-23 18:27:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2024-11-23 18:27:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-23 18:27:08,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-23 18:27:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2024-11-23 18:27:08,061 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2024-11-23 18:27:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2024-11-23 18:27:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2024-11-23 18:27:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2024-11-23 18:27:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2024-11-23 18:27:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-23 18:27:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-23 18:27:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2024-11-23 18:27:08,063 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2024-11-23 18:27:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2024-11-23 18:27:08,063 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2024-11-23 18:27:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2024-11-23 18:27:08,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2024-11-23 18:27:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2024-11-23 18:27:08,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2024-11-23 18:27:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2024-11-23 18:27:08,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2024-11-23 18:27:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2024-11-23 18:27:08,063 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2024-11-23 18:27:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-11-23 18:27:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-23 18:27:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2024-11-23 18:27:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2024-11-23 18:27:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-23 18:27:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-23 18:27:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2024-11-23 18:27:08,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 18:27:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 18:27:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 18:27:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 18:27:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2024-11-23 18:27:08,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2024-11-23 18:27:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2024-11-23 18:27:08,067 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2024-11-23 18:27:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2024-11-23 18:27:08,067 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2024-11-23 18:27:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-23 18:27:08,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-23 18:27:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2024-11-23 18:27:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2024-11-23 18:27:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-23 18:27:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-23 18:27:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-23 18:27:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-23 18:27:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2024-11-23 18:27:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2024-11-23 18:27:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-23 18:27:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-23 18:27:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2024-11-23 18:27:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2024-11-23 18:27:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-23 18:27:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2024-11-23 18:27:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-23 18:27:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-23 18:27:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-23 18:27:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-23 18:27:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2024-11-23 18:27:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-23 18:27:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 18:27:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 18:27:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 18:27:08,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2024-11-23 18:27:08,070 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-23 18:27:08,070 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2024-11-23 18:27:08,070 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2024-11-23 18:27:08,070 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2024-11-23 18:27:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2024-11-23 18:27:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2024-11-23 18:27:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-23 18:27:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-23 18:27:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2024-11-23 18:27:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2024-11-23 18:27:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-23 18:27:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-23 18:27:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2024-11-23 18:27:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2024-11-23 18:27:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-23 18:27:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-23 18:27:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:27:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 18:27:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 18:27:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 18:27:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 18:27:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 18:27:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 18:27:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 18:27:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 18:27:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 18:27:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 18:27:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 18:27:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 18:27:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 18:27:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 18:27:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 18:27:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 18:27:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 18:27:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 18:27:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 18:27:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-23 18:27:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-23 18:27:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-23 18:27:08,077 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-23 18:27:09,453 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:27:09,457 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:27:10,526 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 18:27:25,381 INFO L? ?]: Removed 3072 outVars from TransFormulas that were not future-live. [2024-11-23 18:27:25,381 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:27:25,457 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:27:25,460 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 18:27:25,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:27:25 BoogieIcfgContainer [2024-11-23 18:27:25,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:27:25,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:27:25,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:27:25,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:27:25,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:27:01" (1/3) ... [2024-11-23 18:27:25,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcd7c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:27:25, skipping insertion in model container [2024-11-23 18:27:25,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:27:05" (2/3) ... [2024-11-23 18:27:25,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcd7c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:27:25, skipping insertion in model container [2024-11-23 18:27:25,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:27:25" (3/3) ... [2024-11-23 18:27:25,475 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2024-11-23 18:27:25,491 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:27:25,494 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i that has 127 procedures, 2266 locations, 1 initial locations, 41 loop locations, and 1 error locations. [2024-11-23 18:27:25,627 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:27:25,645 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;@50bc83b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:27:25,647 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:27:25,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 2170 states, 1551 states have (on average 1.2778852353320438) internal successors, (1982), 1578 states have internal predecessors, (1982), 511 states have call successors, (511), 107 states have call predecessors, (511), 106 states have return successors, (505), 500 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-23 18:27:25,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-23 18:27:25,670 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:25,671 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:27:25,671 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:27:25,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:25,678 INFO L85 PathProgramCache]: Analyzing trace with hash -300591506, now seen corresponding path program 1 times [2024-11-23 18:27:25,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:25,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985136395] [2024-11-23 18:27:25,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:25,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 18:27:35,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:35,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985136395] [2024-11-23 18:27:35,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985136395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:35,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:35,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:27:35,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654254718] [2024-11-23 18:27:35,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:35,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:27:35,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:35,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:27:35,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:27:35,327 INFO L87 Difference]: Start difference. First operand has 2170 states, 1551 states have (on average 1.2778852353320438) internal successors, (1982), 1578 states have internal predecessors, (1982), 511 states have call successors, (511), 107 states have call predecessors, (511), 106 states have return successors, (505), 500 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 18:27:36,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:36,158 INFO L93 Difference]: Finished difference Result 4319 states and 6035 transitions. [2024-11-23 18:27:36,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:27:36,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-23 18:27:36,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:36,223 INFO L225 Difference]: With dead ends: 4319 [2024-11-23 18:27:36,223 INFO L226 Difference]: Without dead ends: 2160 [2024-11-23 18:27:36,254 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 [2024-11-23 18:27:36,260 INFO L435 NwaCegarLoop]: 2963 mSDtfsCounter, 2950 mSDsluCounter, 5921 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2951 SdHoareTripleChecker+Valid, 8884 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:36,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2951 Valid, 8884 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:27:36,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2024-11-23 18:27:36,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 2160. [2024-11-23 18:27:36,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2160 states, 1548 states have (on average 1.2564599483204135) internal successors, (1945), 1571 states have internal predecessors, (1945), 505 states have call successors, (505), 107 states have call predecessors, (505), 106 states have return successors, (502), 497 states have call predecessors, (502), 502 states have call successors, (502) [2024-11-23 18:27:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 2952 transitions. [2024-11-23 18:27:36,612 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 2952 transitions. Word has length 48 [2024-11-23 18:27:36,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:36,614 INFO L471 AbstractCegarLoop]: Abstraction has 2160 states and 2952 transitions. [2024-11-23 18:27:36,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 18:27:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2952 transitions. [2024-11-23 18:27:36,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-23 18:27:36,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:36,618 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-23 18:27:36,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:27:36,620 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:27:36,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:36,621 INFO L85 PathProgramCache]: Analyzing trace with hash 665751211, now seen corresponding path program 1 times [2024-11-23 18:27:36,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:36,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751921079] [2024-11-23 18:27:36,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:36,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:44,351 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 18:27:44,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:44,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751921079] [2024-11-23 18:27:44,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751921079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:44,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:44,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:27:44,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738240734] [2024-11-23 18:27:44,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:44,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:27:44,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:44,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:27:44,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:27:44,357 INFO L87 Difference]: Start difference. First operand 2160 states and 2952 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 18:27:45,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:45,110 INFO L93 Difference]: Finished difference Result 4266 states and 5873 transitions. [2024-11-23 18:27:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:27:45,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-23 18:27:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:45,164 INFO L225 Difference]: With dead ends: 4266 [2024-11-23 18:27:45,164 INFO L226 Difference]: Without dead ends: 4264 [2024-11-23 18:27:45,169 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 [2024-11-23 18:27:45,170 INFO L435 NwaCegarLoop]: 3560 mSDtfsCounter, 2954 mSDsluCounter, 9975 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2955 SdHoareTripleChecker+Valid, 13535 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:45,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2955 Valid, 13535 Invalid, 19 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:27:45,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4264 states. [2024-11-23 18:27:45,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4264 to 4238. [2024-11-23 18:27:45,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4238 states, 3042 states have (on average 1.2564102564102564) internal successors, (3822), 3088 states have internal predecessors, (3822), 985 states have call successors, (985), 213 states have call predecessors, (985), 210 states have return successors, (1031), 967 states have call predecessors, (1031), 979 states have call successors, (1031) [2024-11-23 18:27:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 4238 states and 5838 transitions. [2024-11-23 18:27:45,606 INFO L78 Accepts]: Start accepts. Automaton has 4238 states and 5838 transitions. Word has length 53 [2024-11-23 18:27:45,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:45,607 INFO L471 AbstractCegarLoop]: Abstraction has 4238 states and 5838 transitions. [2024-11-23 18:27:45,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 18:27:45,607 INFO L276 IsEmpty]: Start isEmpty. Operand 4238 states and 5838 transitions. [2024-11-23 18:27:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-23 18:27:45,610 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:45,611 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-23 18:27:45,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:27:45,611 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:27:45,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:45,612 INFO L85 PathProgramCache]: Analyzing trace with hash -432836747, now seen corresponding path program 1 times [2024-11-23 18:27:45,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:45,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041704802] [2024-11-23 18:27:45,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:45,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:27:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:27:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-23 18:27:52,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:27:52,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041704802] [2024-11-23 18:27:52,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041704802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:27:52,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:27:52,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:27:52,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690163742] [2024-11-23 18:27:52,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:27:52,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:27:52,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:27:52,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:27:52,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:27:52,477 INFO L87 Difference]: Start difference. First operand 4238 states and 5838 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 18:27:53,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:27:53,197 INFO L93 Difference]: Finished difference Result 8426 states and 11738 transitions. [2024-11-23 18:27:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:27:53,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2024-11-23 18:27:53,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:27:53,292 INFO L225 Difference]: With dead ends: 8426 [2024-11-23 18:27:53,292 INFO L226 Difference]: Without dead ends: 8422 [2024-11-23 18:27:53,302 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 [2024-11-23 18:27:53,307 INFO L435 NwaCegarLoop]: 3041 mSDtfsCounter, 2946 mSDsluCounter, 8943 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2947 SdHoareTripleChecker+Valid, 11984 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:27:53,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2947 Valid, 11984 Invalid, 19 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:27:53,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8422 states. [2024-11-23 18:27:53,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8422 to 8380. [2024-11-23 18:27:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8380 states, 6020 states have (on average 1.2566445182724253) internal successors, (7565), 6113 states have internal predecessors, (7565), 1943 states have call successors, (1943), 424 states have call predecessors, (1943), 416 states have return successors, (2173), 1903 states have call predecessors, (2173), 1931 states have call successors, (2173) [2024-11-23 18:27:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8380 states to 8380 states and 11681 transitions. [2024-11-23 18:27:53,934 INFO L78 Accepts]: Start accepts. Automaton has 8380 states and 11681 transitions. Word has length 65 [2024-11-23 18:27:53,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:27:53,935 INFO L471 AbstractCegarLoop]: Abstraction has 8380 states and 11681 transitions. [2024-11-23 18:27:53,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 18:27:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 8380 states and 11681 transitions. [2024-11-23 18:27:54,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-23 18:27:54,010 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:27:54,010 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:27:54,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:27:54,011 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:27:54,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:27:54,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1201942916, now seen corresponding path program 1 times [2024-11-23 18:27:54,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:27:54,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491727830] [2024-11-23 18:27:54,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:27:54,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:28:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-23 18:28:02,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:28:02,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491727830] [2024-11-23 18:28:02,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491727830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:28:02,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:28:02,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:28:02,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025455374] [2024-11-23 18:28:02,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:28:02,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:28:02,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:28:02,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:28:02,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:28:02,130 INFO L87 Difference]: Start difference. First operand 8380 states and 11681 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 18:28:03,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:03,037 INFO L93 Difference]: Finished difference Result 16751 states and 23785 transitions. [2024-11-23 18:28:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:28:03,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2024-11-23 18:28:03,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:03,224 INFO L225 Difference]: With dead ends: 16751 [2024-11-23 18:28:03,224 INFO L226 Difference]: Without dead ends: 16681 [2024-11-23 18:28:03,246 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 [2024-11-23 18:28:03,248 INFO L435 NwaCegarLoop]: 2970 mSDtfsCounter, 2953 mSDsluCounter, 8850 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2953 SdHoareTripleChecker+Valid, 11820 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:03,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2953 Valid, 11820 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:28:03,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16681 states. [2024-11-23 18:28:04,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16681 to 16671. [2024-11-23 18:28:04,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16671 states, 11984 states have (on average 1.2572596795727637) internal successors, (15067), 12168 states have internal predecessors, (15067), 3861 states have call successors, (3861), 839 states have call predecessors, (3861), 825 states have return successors, (4764), 3784 states have call predecessors, (4764), 3840 states have call successors, (4764) [2024-11-23 18:28:04,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16671 states to 16671 states and 23692 transitions. [2024-11-23 18:28:04,550 INFO L78 Accepts]: Start accepts. Automaton has 16671 states and 23692 transitions. Word has length 70 [2024-11-23 18:28:04,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:04,551 INFO L471 AbstractCegarLoop]: Abstraction has 16671 states and 23692 transitions. [2024-11-23 18:28:04,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 18:28:04,552 INFO L276 IsEmpty]: Start isEmpty. Operand 16671 states and 23692 transitions. [2024-11-23 18:28:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-23 18:28:04,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:04,646 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:04,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:28:04,648 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:28:04,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:04,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1574151539, now seen corresponding path program 1 times [2024-11-23 18:28:04,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:28:04,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788042949] [2024-11-23 18:28:04,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:04,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:28:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2024-11-23 18:28:19,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:28:19,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788042949] [2024-11-23 18:28:19,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788042949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:28:19,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507460015] [2024-11-23 18:28:19,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:19,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:28:19,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:28:19,731 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:28:19,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:28:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:27,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 4447 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-23 18:28:27,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 157 proven. 3 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-23 18:28:28,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:28:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 5 proven. 39 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-23 18:28:32,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507460015] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:28:32,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:28:32,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 14 [2024-11-23 18:28:32,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973642257] [2024-11-23 18:28:32,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:28:32,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 18:28:32,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:28:32,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 18:28:32,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:28:32,777 INFO L87 Difference]: Start difference. First operand 16671 states and 23692 transitions. Second operand has 14 states, 13 states have (on average 17.307692307692307) internal successors, (225), 12 states have internal predecessors, (225), 5 states have call successors, (76), 2 states have call predecessors, (76), 5 states have return successors, (76), 6 states have call predecessors, (76), 5 states have call successors, (76) [2024-11-23 18:28:35,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:28:35,848 INFO L93 Difference]: Finished difference Result 33329 states and 47366 transitions. [2024-11-23 18:28:35,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 18:28:35,849 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 17.307692307692307) internal successors, (225), 12 states have internal predecessors, (225), 5 states have call successors, (76), 2 states have call predecessors, (76), 5 states have return successors, (76), 6 states have call predecessors, (76), 5 states have call successors, (76) Word has length 309 [2024-11-23 18:28:35,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:28:35,987 INFO L225 Difference]: With dead ends: 33329 [2024-11-23 18:28:35,987 INFO L226 Difference]: Without dead ends: 16671 [2024-11-23 18:28:36,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 612 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:28:36,106 INFO L435 NwaCegarLoop]: 2922 mSDtfsCounter, 146 mSDsluCounter, 28782 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 31704 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:28:36,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 31704 Invalid, 286 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-23 18:28:36,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16671 states. [2024-11-23 18:28:37,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16671 to 16671. [2024-11-23 18:28:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16671 states, 11984 states have (on average 1.2571762349799733) internal successors, (15066), 12167 states have internal predecessors, (15066), 3861 states have call successors, (3861), 839 states have call predecessors, (3861), 825 states have return successors, (4764), 3784 states have call predecessors, (4764), 3840 states have call successors, (4764) [2024-11-23 18:28:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16671 states to 16671 states and 23691 transitions. [2024-11-23 18:28:37,251 INFO L78 Accepts]: Start accepts. Automaton has 16671 states and 23691 transitions. Word has length 309 [2024-11-23 18:28:37,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:28:37,251 INFO L471 AbstractCegarLoop]: Abstraction has 16671 states and 23691 transitions. [2024-11-23 18:28:37,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 17.307692307692307) internal successors, (225), 12 states have internal predecessors, (225), 5 states have call successors, (76), 2 states have call predecessors, (76), 5 states have return successors, (76), 6 states have call predecessors, (76), 5 states have call successors, (76) [2024-11-23 18:28:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 16671 states and 23691 transitions. [2024-11-23 18:28:37,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-23 18:28:37,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:28:37,328 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:28:37,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:28:37,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:28:37,529 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:28:37,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:28:37,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1179921354, now seen corresponding path program 1 times [2024-11-23 18:28:37,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:28:37,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738827652] [2024-11-23 18:28:37,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:37,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:28:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:48,257 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2024-11-23 18:28:48,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:28:48,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738827652] [2024-11-23 18:28:48,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738827652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:28:48,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911736380] [2024-11-23 18:28:48,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:28:48,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:28:48,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:28:48,262 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:28:48,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:28:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:28:56,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 4465 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-23 18:28:56,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:28:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 31 proven. 27 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2024-11-23 18:28:59,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:29:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 33 proven. 27 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-11-23 18:29:03,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911736380] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:29:03,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:29:03,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 26 [2024-11-23 18:29:03,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10877502] [2024-11-23 18:29:03,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:29:03,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-23 18:29:03,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:29:03,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-23 18:29:03,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=597, Unknown=0, NotChecked=0, Total=650 [2024-11-23 18:29:03,635 INFO L87 Difference]: Start difference. First operand 16671 states and 23691 transitions. Second operand has 26 states, 24 states have (on average 8.541666666666666) internal successors, (205), 23 states have internal predecessors, (205), 10 states have call successors, (62), 2 states have call predecessors, (62), 6 states have return successors, (62), 11 states have call predecessors, (62), 10 states have call successors, (62) [2024-11-23 18:29:14,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:29:14,517 INFO L93 Difference]: Finished difference Result 33648 states and 47892 transitions. [2024-11-23 18:29:14,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-23 18:29:14,518 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 8.541666666666666) internal successors, (205), 23 states have internal predecessors, (205), 10 states have call successors, (62), 2 states have call predecessors, (62), 6 states have return successors, (62), 11 states have call predecessors, (62), 10 states have call successors, (62) Word has length 313 [2024-11-23 18:29:14,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:29:14,642 INFO L225 Difference]: With dead ends: 33648 [2024-11-23 18:29:14,642 INFO L226 Difference]: Without dead ends: 16977 [2024-11-23 18:29:14,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=145, Invalid=1577, Unknown=0, NotChecked=0, Total=1722 [2024-11-23 18:29:14,713 INFO L435 NwaCegarLoop]: 2938 mSDtfsCounter, 193 mSDsluCounter, 64232 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 67170 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:29:14,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 67170 Invalid, 1024 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-23 18:29:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16977 states. [2024-11-23 18:29:15,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16977 to 16787. [2024-11-23 18:29:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16787 states, 12073 states have (on average 1.2548662304315414) internal successors, (15150), 12255 states have internal predecessors, (15150), 3880 states have call successors, (3880), 839 states have call predecessors, (3880), 833 states have return successors, (4834), 3812 states have call predecessors, (4834), 3866 states have call successors, (4834) [2024-11-23 18:29:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16787 states to 16787 states and 23864 transitions. [2024-11-23 18:29:15,608 INFO L78 Accepts]: Start accepts. Automaton has 16787 states and 23864 transitions. Word has length 313 [2024-11-23 18:29:15,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:29:15,609 INFO L471 AbstractCegarLoop]: Abstraction has 16787 states and 23864 transitions. [2024-11-23 18:29:15,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 8.541666666666666) internal successors, (205), 23 states have internal predecessors, (205), 10 states have call successors, (62), 2 states have call predecessors, (62), 6 states have return successors, (62), 11 states have call predecessors, (62), 10 states have call successors, (62) [2024-11-23 18:29:15,609 INFO L276 IsEmpty]: Start isEmpty. Operand 16787 states and 23864 transitions. [2024-11-23 18:29:15,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-23 18:29:15,623 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:29:15,624 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:29:15,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 18:29:15,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-23 18:29:15,825 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:29:15,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:29:15,826 INFO L85 PathProgramCache]: Analyzing trace with hash 457513284, now seen corresponding path program 1 times [2024-11-23 18:29:15,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:29:15,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886807968] [2024-11-23 18:29:15,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:15,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:29:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:29:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-11-23 18:29:22,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:29:22,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886807968] [2024-11-23 18:29:22,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886807968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:29:22,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:29:22,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:29:22,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249963006] [2024-11-23 18:29:22,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:29:22,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:29:22,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:29:22,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:29:22,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:29:22,850 INFO L87 Difference]: Start difference. First operand 16787 states and 23864 transitions. Second operand has 7 states, 7 states have (on average 18.0) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-23 18:29:24,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:29:24,030 INFO L93 Difference]: Finished difference Result 33583 states and 48446 transitions. [2024-11-23 18:29:24,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:29:24,031 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 349 [2024-11-23 18:29:24,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:29:24,139 INFO L225 Difference]: With dead ends: 33583 [2024-11-23 18:29:24,139 INFO L226 Difference]: Without dead ends: 16811 [2024-11-23 18:29:24,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:29:24,222 INFO L435 NwaCegarLoop]: 2936 mSDtfsCounter, 0 mSDsluCounter, 14647 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17583 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:29:24,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17583 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 18:29:24,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16811 states. [2024-11-23 18:29:24,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16811 to 16811. [2024-11-23 18:29:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16811 states, 12093 states have (on average 1.2544447200860003) internal successors, (15170), 12275 states have internal predecessors, (15170), 3880 states have call successors, (3880), 839 states have call predecessors, (3880), 837 states have return successors, (4842), 3816 states have call predecessors, (4842), 3866 states have call successors, (4842) [2024-11-23 18:29:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16811 states to 16811 states and 23892 transitions. [2024-11-23 18:29:25,033 INFO L78 Accepts]: Start accepts. Automaton has 16811 states and 23892 transitions. Word has length 349 [2024-11-23 18:29:25,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:29:25,035 INFO L471 AbstractCegarLoop]: Abstraction has 16811 states and 23892 transitions. [2024-11-23 18:29:25,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.0) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-23 18:29:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand 16811 states and 23892 transitions. [2024-11-23 18:29:25,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-23 18:29:25,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:29:25,057 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:29:25,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:29:25,057 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:29:25,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:29:25,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1591420732, now seen corresponding path program 1 times [2024-11-23 18:29:25,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:29:25,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157006810] [2024-11-23 18:29:25,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:25,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:29:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:29:32,353 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2024-11-23 18:29:32,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:29:32,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157006810] [2024-11-23 18:29:32,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157006810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:29:32,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:29:32,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:29:32,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697231187] [2024-11-23 18:29:32,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:29:32,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:29:32,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:29:32,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:29:32,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:29:32,356 INFO L87 Difference]: Start difference. First operand 16811 states and 23892 transitions. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-23 18:29:33,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:29:33,195 INFO L93 Difference]: Finished difference Result 33631 states and 48370 transitions. [2024-11-23 18:29:33,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:29:33,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 365 [2024-11-23 18:29:33,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:29:33,342 INFO L225 Difference]: With dead ends: 33631 [2024-11-23 18:29:33,342 INFO L226 Difference]: Without dead ends: 16835 [2024-11-23 18:29:33,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:29:33,438 INFO L435 NwaCegarLoop]: 2936 mSDtfsCounter, 0 mSDsluCounter, 14647 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17583 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:29:33,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17583 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:29:33,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16835 states. [2024-11-23 18:29:34,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16835 to 16835. [2024-11-23 18:29:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16835 states, 12113 states have (on average 1.2540246016676297) internal successors, (15190), 12295 states have internal predecessors, (15190), 3880 states have call successors, (3880), 839 states have call predecessors, (3880), 841 states have return successors, (4850), 3820 states have call predecessors, (4850), 3866 states have call successors, (4850) [2024-11-23 18:29:34,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16835 states to 16835 states and 23920 transitions. [2024-11-23 18:29:34,310 INFO L78 Accepts]: Start accepts. Automaton has 16835 states and 23920 transitions. Word has length 365 [2024-11-23 18:29:34,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:29:34,311 INFO L471 AbstractCegarLoop]: Abstraction has 16835 states and 23920 transitions. [2024-11-23 18:29:34,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2024-11-23 18:29:34,311 INFO L276 IsEmpty]: Start isEmpty. Operand 16835 states and 23920 transitions. [2024-11-23 18:29:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-11-23 18:29:34,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:29:34,352 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:29:34,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:29:34,352 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:29:34,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:29:34,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2082482195, now seen corresponding path program 1 times [2024-11-23 18:29:34,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:29:34,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375359378] [2024-11-23 18:29:34,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:34,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:29:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:29:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2024-11-23 18:29:42,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:29:42,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375359378] [2024-11-23 18:29:42,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375359378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:29:42,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:29:42,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:29:42,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247184433] [2024-11-23 18:29:42,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:29:42,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:29:42,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:29:42,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:29:42,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:29:42,286 INFO L87 Difference]: Start difference. First operand 16835 states and 23920 transitions. Second operand has 7 states, 7 states have (on average 22.0) internal successors, (154), 6 states have internal predecessors, (154), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-23 18:29:43,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:29:43,300 INFO L93 Difference]: Finished difference Result 32817 states and 47374 transitions. [2024-11-23 18:29:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:29:43,301 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 6 states have internal predecessors, (154), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 407 [2024-11-23 18:29:43,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:29:43,434 INFO L225 Difference]: With dead ends: 32817 [2024-11-23 18:29:43,435 INFO L226 Difference]: Without dead ends: 15997 [2024-11-23 18:29:43,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:29:43,534 INFO L435 NwaCegarLoop]: 2947 mSDtfsCounter, 72 mSDsluCounter, 14587 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 17534 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:29:43,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 17534 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 18:29:43,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15997 states. [2024-11-23 18:29:44,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15997 to 15949. [2024-11-23 18:29:44,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15949 states, 11499 states have (on average 1.25315244803896) internal successors, (14410), 11653 states have internal predecessors, (14410), 3620 states have call successors, (3620), 821 states have call predecessors, (3620), 829 states have return successors, (4492), 3582 states have call predecessors, (4492), 3606 states have call successors, (4492) [2024-11-23 18:29:44,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15949 states to 15949 states and 22522 transitions. [2024-11-23 18:29:44,550 INFO L78 Accepts]: Start accepts. Automaton has 15949 states and 22522 transitions. Word has length 407 [2024-11-23 18:29:44,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:29:44,551 INFO L471 AbstractCegarLoop]: Abstraction has 15949 states and 22522 transitions. [2024-11-23 18:29:44,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 6 states have internal predecessors, (154), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-23 18:29:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 15949 states and 22522 transitions. [2024-11-23 18:29:44,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-11-23 18:29:44,589 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:29:44,589 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:29:44,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:29:44,590 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:29:44,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:29:44,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1017709161, now seen corresponding path program 1 times [2024-11-23 18:29:44,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:29:44,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630371729] [2024-11-23 18:29:44,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:44,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:29:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:29:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2024-11-23 18:29:53,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:29:53,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630371729] [2024-11-23 18:29:53,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630371729] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:29:53,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719183317] [2024-11-23 18:29:53,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:53,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:29:53,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:29:53,056 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:29:53,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:30:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:30:01,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 4995 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-23 18:30:01,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:30:04,313 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-23 18:30:04,313 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:30:04,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719183317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:30:04,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:30:04,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2024-11-23 18:30:04,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861713831] [2024-11-23 18:30:04,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:30:04,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-23 18:30:04,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:30:04,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-23 18:30:04,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2024-11-23 18:30:04,317 INFO L87 Difference]: Start difference. First operand 15949 states and 22522 transitions. Second operand has 18 states, 17 states have (on average 9.764705882352942) internal successors, (166), 15 states have internal predecessors, (166), 6 states have call successors, (54), 2 states have call predecessors, (54), 6 states have return successors, (52), 8 states have call predecessors, (52), 6 states have call successors, (52) [2024-11-23 18:30:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:30:10,736 INFO L93 Difference]: Finished difference Result 32151 states and 45806 transitions. [2024-11-23 18:30:10,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-23 18:30:10,737 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.764705882352942) internal successors, (166), 15 states have internal predecessors, (166), 6 states have call successors, (54), 2 states have call predecessors, (54), 6 states have return successors, (52), 8 states have call predecessors, (52), 6 states have call successors, (52) Word has length 407 [2024-11-23 18:30:10,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:30:10,855 INFO L225 Difference]: With dead ends: 32151 [2024-11-23 18:30:10,855 INFO L226 Difference]: Without dead ends: 16211 [2024-11-23 18:30:10,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2024-11-23 18:30:10,935 INFO L435 NwaCegarLoop]: 2944 mSDtfsCounter, 143 mSDsluCounter, 46801 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 49745 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:30:10,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 49745 Invalid, 754 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 18:30:10,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16211 states. [2024-11-23 18:30:11,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16211 to 16029. [2024-11-23 18:30:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16029 states, 11557 states have (on average 1.251881976291425) internal successors, (14468), 11713 states have internal predecessors, (14468), 3632 states have call successors, (3632), 821 states have call predecessors, (3632), 839 states have return successors, (4554), 3602 states have call predecessors, (4554), 3618 states have call successors, (4554) [2024-11-23 18:30:11,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16029 states to 16029 states and 22654 transitions. [2024-11-23 18:30:11,741 INFO L78 Accepts]: Start accepts. Automaton has 16029 states and 22654 transitions. Word has length 407 [2024-11-23 18:30:11,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:30:11,742 INFO L471 AbstractCegarLoop]: Abstraction has 16029 states and 22654 transitions. [2024-11-23 18:30:11,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.764705882352942) internal successors, (166), 15 states have internal predecessors, (166), 6 states have call successors, (54), 2 states have call predecessors, (54), 6 states have return successors, (52), 8 states have call predecessors, (52), 6 states have call successors, (52) [2024-11-23 18:30:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 16029 states and 22654 transitions. [2024-11-23 18:30:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-11-23 18:30:11,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:30:11,794 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:30:11,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 18:30:11,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-23 18:30:11,996 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:30:11,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:30:11,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1143704279, now seen corresponding path program 1 times [2024-11-23 18:30:11,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:30:11,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275220220] [2024-11-23 18:30:11,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:30:11,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:30:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:30:20,140 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2024-11-23 18:30:20,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:30:20,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275220220] [2024-11-23 18:30:20,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275220220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:30:20,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647691944] [2024-11-23 18:30:20,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:30:20,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:30:20,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:30:20,144 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:30:20,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1c7a27a-35a4-4f98-85d9-073aa859342e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process