./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/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_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:58:17,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:58:17,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:58:17,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:58:17,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:58:17,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:58:17,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:58:17,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:58:17,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:58:17,751 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:58:17,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:58:17,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:58:17,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:58:17,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:58:17,753 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:58:17,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:58:17,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:58:17,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:58:17,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:58:17,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:58:17,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:58:17,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:58:17,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:58:17,755 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:58:17,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:58:17,755 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:58:17,755 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:58:17,755 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:58:17,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:58:17,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:58:17,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:58:17,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:58:17,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:58:17,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:58:17,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:58:17,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:58:17,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:58:17,757 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:58:17,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:58:17,758 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:58:17,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:58:17,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:58:17,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:58:17,758 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:58:17,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:58:17,758 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_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a2c6724f5301da85e20fbddd1914030623487cb494f00194a53042f01a1dafb [2024-11-28 04:58:18,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:58:18,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:58:18,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:58:18,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:58:18,081 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:58:18,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2024-11-28 04:58:21,219 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/data/2caac7d18/acfd22f00b564516a7b7666817e158f9/FLAG6e1377afe [2024-11-28 04:58:22,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:58:22,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2024-11-28 04:58:22,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/data/2caac7d18/acfd22f00b564516a7b7666817e158f9/FLAG6e1377afe [2024-11-28 04:58:22,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/data/2caac7d18/acfd22f00b564516a7b7666817e158f9 [2024-11-28 04:58:22,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:58:22,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:58:22,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:58:22,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:58:22,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:58:22,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:58:22" (1/1) ... [2024-11-28 04:58:22,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11432d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:22, skipping insertion in model container [2024-11-28 04:58:22,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:58:22" (1/1) ... [2024-11-28 04:58:22,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:58:25,201 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_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2024-11-28 04:58:25,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:58:25,274 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:58:25,466 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] [2024-11-28 04:58:25,468 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] [2024-11-28 04:58:25,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5555] [2024-11-28 04:58:25,472 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] [2024-11-28 04:58:25,473 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] [2024-11-28 04:58:25,474 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] [2024-11-28 04:58:25,475 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] [2024-11-28 04:58:25,476 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] [2024-11-28 04:58:25,476 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] [2024-11-28 04:58:25,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5703] [2024-11-28 04:58:25,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [5849] [2024-11-28 04:58:25,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [5856] [2024-11-28 04:58:25,499 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] [2024-11-28 04:58:25,501 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] [2024-11-28 04:58:25,512 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/linux/skbuff.h"), "i" (1516), "i" (12UL)); [6177-6178] [2024-11-28 04:58:25,521 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] [2024-11-28 04:58:25,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6364] [2024-11-28 04:58:25,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7641] [2024-11-28 04:58:25,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7681] [2024-11-28 04:58:25,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7734] [2024-11-28 04:58:25,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7786] [2024-11-28 04:58:25,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7810] [2024-11-28 04:58:25,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7831] [2024-11-28 04:58:25,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7919] [2024-11-28 04:58:25,610 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] [2024-11-28 04:58:25,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7963] [2024-11-28 04:58:25,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7993] [2024-11-28 04:58:25,613 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] [2024-11-28 04:58:25,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8300] [2024-11-28 04:58:25,913 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_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i[325844,325857] [2024-11-28 04:58:25,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:58:26,158 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:58:26,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26 WrapperNode [2024-11-28 04:58:26,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:58:26,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:58:26,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:58:26,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:58:26,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:26,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:26,576 INFO L138 Inliner]: procedures = 413, calls = 2226, calls flagged for inlining = 248, calls inlined = 233, statements flattened = 6274 [2024-11-28 04:58:26,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:58:26,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:58:26,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:58:26,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:58:26,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:26,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:26,616 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:28,421 INFO L175 MemorySlicer]: Split 1161 memory accesses to 20 slices as follows [56, 8, 6, 5, 5, 816, 3, 8, 9, 4, 1, 5, 1, 2, 17, 40, 113, 14, 46, 2]. 70 percent of accesses are in the largest equivalence class. The 112 initializations are split as follows [0, 8, 6, 5, 5, 5, 0, 8, 0, 4, 0, 5, 1, 2, 17, 0, 0, 0, 46, 0]. The 493 writes are split as follows [48, 0, 0, 0, 0, 313, 0, 0, 3, 0, 1, 0, 0, 0, 0, 0, 113, 14, 0, 1]. [2024-11-28 04:58:28,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:28,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:28,603 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:28,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:28,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:28,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:28,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:28,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:58:28,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:58:28,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:58:28,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:58:28,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (1/1) ... [2024-11-28 04:58:28,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:58:28,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:58:28,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:58:28,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:58:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 04:58:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 04:58:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-28 04:58:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-28 04:58:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 04:58:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 04:58:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 04:58:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 04:58:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_9_6 [2024-11-28 04:58:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_9_6 [2024-11-28 04:58:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2024-11-28 04:58:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2024-11-28 04:58:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 04:58:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 04:58:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-28 04:58:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-28 04:58:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2024-11-28 04:58:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2024-11-28 04:58:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_regs_len [2024-11-28 04:58:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_regs_len [2024-11-28 04:58:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-28 04:58:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-28 04:58:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-28 04:58:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-28 04:58:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure macb_probe [2024-11-28 04:58:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_probe [2024-11-28 04:58:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-28 04:58:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-28 04:58:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-28 04:58:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-28 04:58:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-28 04:58:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-28 04:58:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 04:58:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 04:58:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 04:58:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 04:58:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2024-11-28 04:58:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2024-11-28 04:58:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 04:58:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 04:58:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:58:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure macb_remove [2024-11-28 04:58:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_remove [2024-11-28 04:58:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-28 04:58:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-28 04:58:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-28 04:58:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-28 04:58:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 04:58:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 04:58:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-28 04:58:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-28 04:58:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 04:58:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 04:58:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 04:58:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 04:58:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-28 04:58:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2024-11-28 04:58:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2024-11-28 04:58:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 04:58:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 04:58:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-11-28 04:58:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-11-28 04:58:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:58:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:58:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:58:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:58:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:58:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:58:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 04:58:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-28 04:58:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:58:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 04:58:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 04:58:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 04:58:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 04:58:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 04:58:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 04:58:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure macb_free_consistent [2024-11-28 04:58:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_free_consistent [2024-11-28 04:58:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 04:58:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 04:58:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 04:58:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 04:58:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 04:58:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-28 04:58:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-28 04:58:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-28 04:58:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-11-28 04:58:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2024-11-28 04:58:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure macb_open [2024-11-28 04:58:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_open [2024-11-28 04:58:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-28 04:58:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-28 04:58:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure macb_alloc_consistent [2024-11-28 04:58:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_alloc_consistent [2024-11-28 04:58:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure macb_resume [2024-11-28 04:58:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_resume [2024-11-28 04:58:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:58:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2024-11-28 04:58:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2024-11-28 04:58:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure macb_is_gem [2024-11-28 04:58:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_is_gem [2024-11-28 04:58:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-11-28 04:58:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-11-28 04:58:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:58:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-28 04:58:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-28 04:58:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure macb_rx_ring_wrap [2024-11-28 04:58:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_rx_ring_wrap [2024-11-28 04:58:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:58:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:58:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:58:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:58:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:58:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:58:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 04:58:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 04:58:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 04:58:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 04:58:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 04:58:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 04:58:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 04:58:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 04:58:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 04:58:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 04:58:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 04:58:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 04:58:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 04:58:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 04:58:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 04:58:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 04:58:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-28 04:58:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-28 04:58:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2024-11-28 04:58:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2024-11-28 04:58:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 04:58:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 04:58:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-28 04:58:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-28 04:58:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-28 04:58:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-28 04:58:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2024-11-28 04:58:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2024-11-28 04:58:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:58:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 04:58:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2024-11-28 04:58:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 04:58:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 04:58:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 04:58:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 04:58:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 04:58:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 04:58:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 04:58:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 04:58:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 04:58:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2024-11-28 04:58:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure phy_find_first [2024-11-28 04:58:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_find_first [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-28 04:58:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_ring_wrap [2024-11-28 04:58:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_ring_wrap [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2024-11-28 04:58:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2024-11-28 04:58:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 04:58:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure macb_handle_link_change [2024-11-28 04:58:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_handle_link_change [2024-11-28 04:58:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2024-11-28 04:58:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2024-11-28 04:58:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_14 [2024-11-28 04:58:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_14 [2024-11-28 04:58:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_16 [2024-11-28 04:58:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_16 [2024-11-28 04:58:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_15 [2024-11-28 04:58:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_15 [2024-11-28 04:58:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure macb_close [2024-11-28 04:58:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_close [2024-11-28 04:58:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mdc_clk_div [2024-11-28 04:58:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mdc_clk_div [2024-11-28 04:58:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-11-28 04:58:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-11-28 04:58:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-28 04:58:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-28 04:58:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_19 [2024-11-28 04:58:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_19 [2024-11-28 04:58:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:58:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2024-11-28 04:58:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2024-11-28 04:58:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2024-11-28 04:58:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-28 04:58:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2024-11-28 04:58:28,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 04:58:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_desc [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_desc [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure macb_reset_hw [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_reset_hw [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure macb_suspend [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_suspend [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2024-11-28 04:58:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-28 04:58:28,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure macb_dbw [2024-11-28 04:58:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_dbw [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-28 04:58:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-28 04:58:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-28 04:58:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 04:58:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure devm_pinctrl_put [2024-11-28 04:58:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_pinctrl_put [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 04:58:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 04:58:28,874 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:58:28,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:58:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:58:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:58:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 04:58:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 04:58:28,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 04:58:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 04:58:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 04:58:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 04:58:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 04:58:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 04:58:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 04:58:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 04:58:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 04:58:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 04:58:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 04:58:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 04:58:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure gem_rx_refill [2024-11-28 04:58:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure gem_rx_refill [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-28 04:58:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_dma [2024-11-28 04:58:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_dma [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure macb_tx_skb [2024-11-28 04:58:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_tx_skb [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure macb_interrupt [2024-11-28 04:58:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_interrupt [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-28 04:58:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2024-11-28 04:58:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-28 04:58:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2024-11-28 04:58:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-28 04:58:28,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:58:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-28 04:58:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-28 04:58:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-28 04:58:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-28 04:58:30,310 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:58:30,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:58:31,379 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 04:58:50,044 INFO L? ?]: Removed 3072 outVars from TransFormulas that were not future-live. [2024-11-28 04:58:50,044 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:58:50,119 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:58:50,120 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:58:50,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:58:50 BoogieIcfgContainer [2024-11-28 04:58:50,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:58:50,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:58:50,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:58:50,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:58:50,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:58:22" (1/3) ... [2024-11-28 04:58:50,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3cc019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:58:50, skipping insertion in model container [2024-11-28 04:58:50,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:58:26" (2/3) ... [2024-11-28 04:58:50,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3cc019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:58:50, skipping insertion in model container [2024-11-28 04:58:50,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:58:50" (3/3) ... [2024-11-28 04:58:50,139 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-cadence-macb.cil.i [2024-11-28 04:58:50,155 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:58:50,159 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. [2024-11-28 04:58:50,307 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:58:50,324 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;@84731ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:58:50,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:58:50,340 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) [2024-11-28 04:58:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 04:58:50,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:58:50,351 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] [2024-11-28 04:58:50,352 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] === [2024-11-28 04:58:50,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:58:50,360 INFO L85 PathProgramCache]: Analyzing trace with hash -300591506, now seen corresponding path program 1 times [2024-11-28 04:58:50,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:58:50,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076282443] [2024-11-28 04:58:50,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:58:50,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:58:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:58:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 04:58:59,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:58:59,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076282443] [2024-11-28 04:58:59,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076282443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:58:59,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:58:59,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:58:59,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219758907] [2024-11-28 04:58:59,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:58:59,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:58:59,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:58:59,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:58:59,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:58:59,982 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) [2024-11-28 04:59:00,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:00,730 INFO L93 Difference]: Finished difference Result 4319 states and 6035 transitions. [2024-11-28 04:59:00,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:59:00,733 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 [2024-11-28 04:59:00,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:00,771 INFO L225 Difference]: With dead ends: 4319 [2024-11-28 04:59:00,771 INFO L226 Difference]: Without dead ends: 2160 [2024-11-28 04:59:00,791 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 [2024-11-28 04:59:00,794 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 [2024-11-28 04:59:00,795 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] [2024-11-28 04:59:00,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2024-11-28 04:59:01,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 2160. [2024-11-28 04:59:01,071 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) [2024-11-28 04:59:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 2952 transitions. [2024-11-28 04:59:01,114 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 2952 transitions. Word has length 48 [2024-11-28 04:59:01,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:01,117 INFO L471 AbstractCegarLoop]: Abstraction has 2160 states and 2952 transitions. [2024-11-28 04:59:01,118 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) [2024-11-28 04:59:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2952 transitions. [2024-11-28 04:59:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-28 04:59:01,121 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:01,121 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] [2024-11-28 04:59:01,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:59:01,122 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] === [2024-11-28 04:59:01,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:01,123 INFO L85 PathProgramCache]: Analyzing trace with hash 665751211, now seen corresponding path program 1 times [2024-11-28 04:59:01,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:01,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558404095] [2024-11-28 04:59:01,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:01,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-28 04:59:09,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:09,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558404095] [2024-11-28 04:59:09,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558404095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:09,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:09,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:09,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275738032] [2024-11-28 04:59:09,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:09,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:09,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:09,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:09,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:09,084 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) [2024-11-28 04:59:09,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:09,745 INFO L93 Difference]: Finished difference Result 4266 states and 5873 transitions. [2024-11-28 04:59:09,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:59:09,745 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 [2024-11-28 04:59:09,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:09,795 INFO L225 Difference]: With dead ends: 4266 [2024-11-28 04:59:09,796 INFO L226 Difference]: Without dead ends: 4264 [2024-11-28 04:59:09,800 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 [2024-11-28 04:59:09,802 INFO L435 NwaCegarLoop]: 3575 mSDtfsCounter, 2954 mSDsluCounter, 10005 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2955 SdHoareTripleChecker+Valid, 13580 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 [2024-11-28 04:59:09,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2955 Valid, 13580 Invalid, 19 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:59:09,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4264 states. [2024-11-28 04:59:10,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4264 to 4238. [2024-11-28 04:59:10,146 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) [2024-11-28 04:59:10,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4238 states to 4238 states and 5838 transitions. [2024-11-28 04:59:10,203 INFO L78 Accepts]: Start accepts. Automaton has 4238 states and 5838 transitions. Word has length 53 [2024-11-28 04:59:10,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:10,204 INFO L471 AbstractCegarLoop]: Abstraction has 4238 states and 5838 transitions. [2024-11-28 04:59:10,205 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) [2024-11-28 04:59:10,205 INFO L276 IsEmpty]: Start isEmpty. Operand 4238 states and 5838 transitions. [2024-11-28 04:59:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-28 04:59:10,209 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:10,209 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] [2024-11-28 04:59:10,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:59:10,209 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] === [2024-11-28 04:59:10,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:10,210 INFO L85 PathProgramCache]: Analyzing trace with hash -432836747, now seen corresponding path program 1 times [2024-11-28 04:59:10,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:10,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999206888] [2024-11-28 04:59:10,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:10,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-28 04:59:17,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:17,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999206888] [2024-11-28 04:59:17,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999206888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:17,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:17,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:17,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689916830] [2024-11-28 04:59:17,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:17,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:17,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:17,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:17,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:17,166 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) [2024-11-28 04:59:17,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:17,897 INFO L93 Difference]: Finished difference Result 8426 states and 11738 transitions. [2024-11-28 04:59:17,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:59:17,897 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 [2024-11-28 04:59:17,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:17,979 INFO L225 Difference]: With dead ends: 8426 [2024-11-28 04:59:17,980 INFO L226 Difference]: Without dead ends: 8422 [2024-11-28 04:59:17,989 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 [2024-11-28 04:59:17,990 INFO L435 NwaCegarLoop]: 3026 mSDtfsCounter, 2946 mSDsluCounter, 8913 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2947 SdHoareTripleChecker+Valid, 11939 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 [2024-11-28 04:59:17,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2947 Valid, 11939 Invalid, 19 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:59:18,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8422 states. [2024-11-28 04:59:18,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8422 to 8380. [2024-11-28 04:59:18,512 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) [2024-11-28 04:59:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8380 states to 8380 states and 11681 transitions. [2024-11-28 04:59:18,671 INFO L78 Accepts]: Start accepts. Automaton has 8380 states and 11681 transitions. Word has length 65 [2024-11-28 04:59:18,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:18,672 INFO L471 AbstractCegarLoop]: Abstraction has 8380 states and 11681 transitions. [2024-11-28 04:59:18,672 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) [2024-11-28 04:59:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 8380 states and 11681 transitions. [2024-11-28 04:59:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 04:59:18,676 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:18,676 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] [2024-11-28 04:59:18,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:59:18,676 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] === [2024-11-28 04:59:18,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:18,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1584903243, now seen corresponding path program 1 times [2024-11-28 04:59:18,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:18,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859148209] [2024-11-28 04:59:18,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:18,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 04:59:25,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859148209] [2024-11-28 04:59:25,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859148209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:25,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:25,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:25,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143103675] [2024-11-28 04:59:25,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:25,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:25,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:25,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:25,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:25,637 INFO L87 Difference]: Start difference. First operand 8380 states and 11681 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, (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) [2024-11-28 04:59:26,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:26,924 INFO L93 Difference]: Finished difference Result 16751 states and 23785 transitions. [2024-11-28 04:59:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:59:26,925 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, (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 63 [2024-11-28 04:59:26,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:27,101 INFO L225 Difference]: With dead ends: 16751 [2024-11-28 04:59:27,101 INFO L226 Difference]: Without dead ends: 16681 [2024-11-28 04:59:27,122 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 [2024-11-28 04:59:27,124 INFO L435 NwaCegarLoop]: 2970 mSDtfsCounter, 2960 mSDsluCounter, 8850 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2960 SdHoareTripleChecker+Valid, 11820 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:27,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2960 Valid, 11820 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:59:27,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16681 states. [2024-11-28 04:59:28,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16681 to 16671. [2024-11-28 04:59:28,136 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) [2024-11-28 04:59:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16671 states to 16671 states and 23692 transitions. [2024-11-28 04:59:28,275 INFO L78 Accepts]: Start accepts. Automaton has 16671 states and 23692 transitions. Word has length 63 [2024-11-28 04:59:28,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:28,276 INFO L471 AbstractCegarLoop]: Abstraction has 16671 states and 23692 transitions. [2024-11-28 04:59:28,276 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, (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) [2024-11-28 04:59:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 16671 states and 23692 transitions. [2024-11-28 04:59:28,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-28 04:59:28,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:28,378 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:59:28,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:59:28,381 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] === [2024-11-28 04:59:28,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:28,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1842209752, now seen corresponding path program 1 times [2024-11-28 04:59:28,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:28,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196743561] [2024-11-28 04:59:28,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:28,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:42,029 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-28 04:59:42,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:42,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196743561] [2024-11-28 04:59:42,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196743561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:59:42,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318209375] [2024-11-28 04:59:42,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:42,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:42,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:42,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:59:42,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:59:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:50,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 4440 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-28 04:59:50,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:53,412 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 31 proven. 27 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-28 04:59:53,413 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:59:57,689 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 33 proven. 27 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-28 04:59:57,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318209375] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:59:57,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:59:57,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15, 15] total 23 [2024-11-28 04:59:57,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076185392] [2024-11-28 04:59:57,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:59:57,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 04:59:57,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:57,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 04:59:57,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:59:57,694 INFO L87 Difference]: Start difference. First operand 16671 states and 23692 transitions. Second operand has 23 states, 21 states have (on average 9.380952380952381) internal successors, (197), 21 states have internal predecessors, (197), 9 states have call successors, (60), 2 states have call predecessors, (60), 6 states have return successors, (60), 9 states have call predecessors, (60), 9 states have call successors, (60) [2024-11-28 05:00:05,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:05,422 INFO L93 Difference]: Finished difference Result 33336 states and 47373 transitions. [2024-11-28 05:00:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 05:00:05,423 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 9.380952380952381) internal successors, (197), 21 states have internal predecessors, (197), 9 states have call successors, (60), 2 states have call predecessors, (60), 6 states have return successors, (60), 9 states have call predecessors, (60), 9 states have call successors, (60) Word has length 306 [2024-11-28 05:00:05,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:05,542 INFO L225 Difference]: With dead ends: 33336 [2024-11-28 05:00:05,542 INFO L226 Difference]: Without dead ends: 16671 [2024-11-28 05:00:05,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2024-11-28 05:00:05,656 INFO L435 NwaCegarLoop]: 2911 mSDtfsCounter, 268 mSDsluCounter, 57756 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 60667 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:05,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 60667 Invalid, 798 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [69 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-28 05:00:05,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16671 states. [2024-11-28 05:00:06,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16671 to 16657. [2024-11-28 05:00:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16657 states, 11984 states have (on average 1.2565921228304406) internal successors, (15059), 12160 states have internal predecessors, (15059), 3847 states have call successors, (3847), 839 states have call predecessors, (3847), 825 states have return successors, (4757), 3777 states have call predecessors, (4757), 3833 states have call successors, (4757) [2024-11-28 05:00:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16657 states to 16657 states and 23663 transitions. [2024-11-28 05:00:06,718 INFO L78 Accepts]: Start accepts. Automaton has 16657 states and 23663 transitions. Word has length 306 [2024-11-28 05:00:06,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:06,718 INFO L471 AbstractCegarLoop]: Abstraction has 16657 states and 23663 transitions. [2024-11-28 05:00:06,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 9.380952380952381) internal successors, (197), 21 states have internal predecessors, (197), 9 states have call successors, (60), 2 states have call predecessors, (60), 6 states have return successors, (60), 9 states have call predecessors, (60), 9 states have call successors, (60) [2024-11-28 05:00:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 16657 states and 23663 transitions. [2024-11-28 05:00:06,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-11-28 05:00:06,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:06,804 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:00:06,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:00:07,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:00:07,009 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] === [2024-11-28 05:00:07,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:07,011 INFO L85 PathProgramCache]: Analyzing trace with hash -334785894, now seen corresponding path program 1 times [2024-11-28 05:00:07,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:07,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372710565] [2024-11-28 05:00:07,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:07,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:17,762 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2024-11-28 05:00:17,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:17,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372710565] [2024-11-28 05:00:17,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372710565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:00:17,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871732431] [2024-11-28 05:00:17,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:17,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:00:17,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:00:17,765 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:00:17,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:00:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:26,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 4516 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 05:00:26,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:00:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-28 05:00:27,167 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:00:27,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871732431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:27,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:00:27,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 17 [2024-11-28 05:00:27,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071590913] [2024-11-28 05:00:27,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:27,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:00:27,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:27,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:00:27,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:00:27,171 INFO L87 Difference]: Start difference. First operand 16657 states and 23663 transitions. Second operand has 14 states, 13 states have (on average 12.23076923076923) internal successors, (159), 12 states have internal predecessors, (159), 6 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (42), 7 states have call predecessors, (42), 6 states have call successors, (42) [2024-11-28 05:00:31,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:31,966 INFO L93 Difference]: Finished difference Result 33603 states and 47811 transitions. [2024-11-28 05:00:31,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 05:00:31,966 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.23076923076923) internal successors, (159), 12 states have internal predecessors, (159), 6 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (42), 7 states have call predecessors, (42), 6 states have call successors, (42) Word has length 317 [2024-11-28 05:00:31,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:32,115 INFO L225 Difference]: With dead ends: 33603 [2024-11-28 05:00:32,116 INFO L226 Difference]: Without dead ends: 16953 [2024-11-28 05:00:32,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:00:32,197 INFO L435 NwaCegarLoop]: 2947 mSDtfsCounter, 73 mSDsluCounter, 35185 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 38132 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:32,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 38132 Invalid, 497 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 05:00:32,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16953 states. [2024-11-28 05:00:32,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16953 to 16787. [2024-11-28 05:00:32,995 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) [2024-11-28 05:00:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16787 states to 16787 states and 23864 transitions. [2024-11-28 05:00:33,116 INFO L78 Accepts]: Start accepts. Automaton has 16787 states and 23864 transitions. Word has length 317 [2024-11-28 05:00:33,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:33,117 INFO L471 AbstractCegarLoop]: Abstraction has 16787 states and 23864 transitions. [2024-11-28 05:00:33,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.23076923076923) internal successors, (159), 12 states have internal predecessors, (159), 6 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (42), 7 states have call predecessors, (42), 6 states have call successors, (42) [2024-11-28 05:00:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 16787 states and 23864 transitions. [2024-11-28 05:00:33,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-28 05:00:33,129 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:33,130 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] [2024-11-28 05:00:33,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:00:33,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:00:33,331 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] === [2024-11-28 05:00:33,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:33,331 INFO L85 PathProgramCache]: Analyzing trace with hash 457513284, now seen corresponding path program 1 times [2024-11-28 05:00:33,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:33,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885511089] [2024-11-28 05:00:33,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:33,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-11-28 05:00:41,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:41,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885511089] [2024-11-28 05:00:41,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885511089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:41,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:41,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:00:41,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14772948] [2024-11-28 05:00:41,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:41,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:00:41,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:41,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:00:41,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:00:41,028 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) [2024-11-28 05:00:41,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:41,995 INFO L93 Difference]: Finished difference Result 33583 states and 48446 transitions. [2024-11-28 05:00:41,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:00:41,996 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 [2024-11-28 05:00:41,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:42,139 INFO L225 Difference]: With dead ends: 33583 [2024-11-28 05:00:42,139 INFO L226 Difference]: Without dead ends: 16811 [2024-11-28 05:00:42,249 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 [2024-11-28 05:00:42,250 INFO L435 NwaCegarLoop]: 2936 mSDtfsCounter, 0 mSDsluCounter, 14647 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:42,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17583 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:00:42,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16811 states. [2024-11-28 05:00:43,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16811 to 16811. [2024-11-28 05:00:43,050 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) [2024-11-28 05:00:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16811 states to 16811 states and 23892 transitions. [2024-11-28 05:00:43,183 INFO L78 Accepts]: Start accepts. Automaton has 16811 states and 23892 transitions. Word has length 349 [2024-11-28 05:00:43,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:43,185 INFO L471 AbstractCegarLoop]: Abstraction has 16811 states and 23892 transitions. [2024-11-28 05:00:43,185 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) [2024-11-28 05:00:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 16811 states and 23892 transitions. [2024-11-28 05:00:43,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-28 05:00:43,207 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:43,207 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] [2024-11-28 05:00:43,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:00:43,208 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] === [2024-11-28 05:00:43,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:43,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1591420732, now seen corresponding path program 1 times [2024-11-28 05:00:43,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:43,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208224742] [2024-11-28 05:00:43,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:43,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:50,428 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2024-11-28 05:00:50,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:50,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208224742] [2024-11-28 05:00:50,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208224742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:50,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:50,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:00:50,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336154708] [2024-11-28 05:00:50,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:50,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:00:50,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:50,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:00:50,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:00:50,432 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) [2024-11-28 05:00:51,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:51,295 INFO L93 Difference]: Finished difference Result 33631 states and 48370 transitions. [2024-11-28 05:00:51,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:00:51,296 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 [2024-11-28 05:00:51,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:51,433 INFO L225 Difference]: With dead ends: 33631 [2024-11-28 05:00:51,434 INFO L226 Difference]: Without dead ends: 16835 [2024-11-28 05:00:51,541 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 [2024-11-28 05:00:51,542 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:51,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17583 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:00:51,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16835 states. [2024-11-28 05:00:52,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16835 to 16835. [2024-11-28 05:00:52,326 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) [2024-11-28 05:00:52,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16835 states to 16835 states and 23920 transitions. [2024-11-28 05:00:52,470 INFO L78 Accepts]: Start accepts. Automaton has 16835 states and 23920 transitions. Word has length 365 [2024-11-28 05:00:52,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:52,472 INFO L471 AbstractCegarLoop]: Abstraction has 16835 states and 23920 transitions. [2024-11-28 05:00:52,472 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) [2024-11-28 05:00:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand 16835 states and 23920 transitions. [2024-11-28 05:00:52,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-11-28 05:00:52,515 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:52,516 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] [2024-11-28 05:00:52,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:00:52,516 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] === [2024-11-28 05:00:52,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:52,517 INFO L85 PathProgramCache]: Analyzing trace with hash -2082482195, now seen corresponding path program 1 times [2024-11-28 05:00:52,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:52,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322503704] [2024-11-28 05:00:52,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:52,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:00,026 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2024-11-28 05:01:00,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:00,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322503704] [2024-11-28 05:01:00,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322503704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:00,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:01:00,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:01:00,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061391424] [2024-11-28 05:01:00,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:00,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:01:00,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:00,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:01:00,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:01:00,029 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) [2024-11-28 05:01:00,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:00,952 INFO L93 Difference]: Finished difference Result 33331 states and 48122 transitions. [2024-11-28 05:01:00,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:01:00,953 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 [2024-11-28 05:01:00,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:01,094 INFO L225 Difference]: With dead ends: 33331 [2024-11-28 05:01:01,094 INFO L226 Difference]: Without dead ends: 16511 [2024-11-28 05:01:01,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 05:01:01,205 INFO L435 NwaCegarLoop]: 2947 mSDtfsCounter, 72 mSDsluCounter, 14586 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 17533 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:01,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 17533 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:01:01,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16511 states. [2024-11-28 05:01:01,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16511 to 16463. [2024-11-28 05:01:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16463 states, 11869 states have (on average 1.2525065296149633) internal successors, (14866), 12029 states have internal predecessors, (14866), 3752 states have call successors, (3752), 827 states have call predecessors, (3752), 841 states have return successors, (4640), 3722 states have call predecessors, (4640), 3738 states have call successors, (4640) [2024-11-28 05:01:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16463 states to 16463 states and 23258 transitions. [2024-11-28 05:01:02,058 INFO L78 Accepts]: Start accepts. Automaton has 16463 states and 23258 transitions. Word has length 407 [2024-11-28 05:01:02,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:02,059 INFO L471 AbstractCegarLoop]: Abstraction has 16463 states and 23258 transitions. [2024-11-28 05:01:02,060 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) [2024-11-28 05:01:02,060 INFO L276 IsEmpty]: Start isEmpty. Operand 16463 states and 23258 transitions. [2024-11-28 05:01:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-11-28 05:01:02,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:02,099 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] [2024-11-28 05:01:02,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:01:02,100 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] === [2024-11-28 05:01:02,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:02,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1017709161, now seen corresponding path program 1 times [2024-11-28 05:01:02,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:02,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615267327] [2024-11-28 05:01:02,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:02,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2024-11-28 05:01:10,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:10,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615267327] [2024-11-28 05:01:10,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615267327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:01:10,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993522937] [2024-11-28 05:01:10,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:10,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:10,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:10,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:01:10,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:01:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:18,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 4995 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-28 05:01:18,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-28 05:01:21,305 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:01:21,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993522937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:21,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:01:21,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2024-11-28 05:01:21,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019824289] [2024-11-28 05:01:21,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:21,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 05:01:21,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:21,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:01:21,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:01:21,309 INFO L87 Difference]: Start difference. First operand 16463 states and 23258 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) [2024-11-28 05:01:26,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:26,957 INFO L93 Difference]: Finished difference Result 33217 states and 47336 transitions. [2024-11-28 05:01:26,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 05:01:26,958 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 [2024-11-28 05:01:26,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:27,076 INFO L225 Difference]: With dead ends: 33217 [2024-11-28 05:01:27,076 INFO L226 Difference]: Without dead ends: 16761 [2024-11-28 05:01:27,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2024-11-28 05:01:27,158 INFO L435 NwaCegarLoop]: 2944 mSDtfsCounter, 143 mSDsluCounter, 46801 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:27,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 49745 Invalid, 754 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 05:01:27,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16761 states. [2024-11-28 05:01:27,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16761 to 16563. [2024-11-28 05:01:27,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16563 states, 11941 states have (on average 1.2509840046897245) internal successors, (14938), 12103 states have internal predecessors, (14938), 3768 states have call successors, (3768), 827 states have call predecessors, (3768), 853 states have return successors, (4710), 3748 states have call predecessors, (4710), 3754 states have call successors, (4710) [2024-11-28 05:01:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16563 states to 16563 states and 23416 transitions. [2024-11-28 05:01:27,956 INFO L78 Accepts]: Start accepts. Automaton has 16563 states and 23416 transitions. Word has length 407 [2024-11-28 05:01:27,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:27,957 INFO L471 AbstractCegarLoop]: Abstraction has 16563 states and 23416 transitions. [2024-11-28 05:01:27,957 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) [2024-11-28 05:01:27,957 INFO L276 IsEmpty]: Start isEmpty. Operand 16563 states and 23416 transitions. [2024-11-28 05:01:28,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-11-28 05:01:28,205 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:28,206 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] [2024-11-28 05:01:28,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 05:01:28,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 05:01:28,407 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] === [2024-11-28 05:01:28,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:28,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1143704279, now seen corresponding path program 1 times [2024-11-28 05:01:28,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:28,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077698012] [2024-11-28 05:01:28,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:28,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2024-11-28 05:01:35,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:35,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077698012] [2024-11-28 05:01:35,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077698012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:01:35,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086211544] [2024-11-28 05:01:35,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:35,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:35,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:01:35,684 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:01:35,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:01:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:43,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 5256 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 05:01:43,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:01:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-11-28 05:01:44,166 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:01:44,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086211544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:44,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:01:44,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2024-11-28 05:01:44,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108443314] [2024-11-28 05:01:44,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:44,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:01:44,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:44,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:01:44,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:01:44,170 INFO L87 Difference]: Start difference. First operand 16563 states and 23416 transitions. Second operand has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 5 states have internal predecessors, (178), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-28 05:01:44,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:44,744 INFO L93 Difference]: Finished difference Result 33151 states and 47904 transitions. [2024-11-28 05:01:44,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:01:44,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 5 states have internal predecessors, (178), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) Word has length 438 [2024-11-28 05:01:44,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:44,858 INFO L225 Difference]: With dead ends: 33151 [2024-11-28 05:01:44,858 INFO L226 Difference]: Without dead ends: 16603 [2024-11-28 05:01:44,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:01:44,948 INFO L435 NwaCegarLoop]: 2937 mSDtfsCounter, 0 mSDsluCounter, 11739 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14676 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:44,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14676 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:01:44,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16603 states. [2024-11-28 05:01:45,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16603 to 16603. [2024-11-28 05:01:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16603 states, 11973 states have (on average 1.250313204710599) internal successors, (14970), 12135 states have internal predecessors, (14970), 3768 states have call successors, (3768), 827 states have call predecessors, (3768), 861 states have return successors, (4810), 3756 states have call predecessors, (4810), 3754 states have call successors, (4810) [2024-11-28 05:01:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16603 states to 16603 states and 23548 transitions. [2024-11-28 05:01:45,609 INFO L78 Accepts]: Start accepts. Automaton has 16603 states and 23548 transitions. Word has length 438 [2024-11-28 05:01:45,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:45,609 INFO L471 AbstractCegarLoop]: Abstraction has 16603 states and 23548 transitions. [2024-11-28 05:01:45,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 5 states have internal predecessors, (178), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-28 05:01:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 16603 states and 23548 transitions. [2024-11-28 05:01:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2024-11-28 05:01:45,654 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:45,655 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 9, 9, 7, 7, 7, 7, 7, 6, 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, 1, 1, 1, 1, 1] [2024-11-28 05:01:45,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 05:01:45,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:01:45,855 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:45,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:45,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1435294937, now seen corresponding path program 1 times [2024-11-28 05:01:45,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:45,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558956785] [2024-11-28 05:01:45,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:45,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:01:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 938 trivial. 0 not checked. [2024-11-28 05:01:52,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:01:52,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558956785] [2024-11-28 05:01:52,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558956785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:01:52,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:01:52,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:01:52,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288957226] [2024-11-28 05:01:52,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:01:52,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:01:52,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:01:52,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:01:52,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:01:52,706 INFO L87 Difference]: Start difference. First operand 16603 states and 23548 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-28 05:01:53,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:01:53,440 INFO L93 Difference]: Finished difference Result 33215 states and 48048 transitions. [2024-11-28 05:01:53,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:01:53,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 450 [2024-11-28 05:01:53,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:01:53,555 INFO L225 Difference]: With dead ends: 33215 [2024-11-28 05:01:53,555 INFO L226 Difference]: Without dead ends: 16627 [2024-11-28 05:01:53,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:01:53,645 INFO L435 NwaCegarLoop]: 2937 mSDtfsCounter, 0 mSDsluCounter, 8796 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11733 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:01:53,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11733 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:01:53,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16627 states. [2024-11-28 05:01:54,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16627 to 16627. [2024-11-28 05:01:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16627 states, 11997 states have (on average 1.2498124531132784) internal successors, (14994), 12159 states have internal predecessors, (14994), 3768 states have call successors, (3768), 827 states have call predecessors, (3768), 861 states have return successors, (4810), 3756 states have call predecessors, (4810), 3754 states have call successors, (4810) [2024-11-28 05:01:54,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16627 states to 16627 states and 23572 transitions. [2024-11-28 05:01:54,383 INFO L78 Accepts]: Start accepts. Automaton has 16627 states and 23572 transitions. Word has length 450 [2024-11-28 05:01:54,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:01:54,384 INFO L471 AbstractCegarLoop]: Abstraction has 16627 states and 23572 transitions. [2024-11-28 05:01:54,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-28 05:01:54,384 INFO L276 IsEmpty]: Start isEmpty. Operand 16627 states and 23572 transitions. [2024-11-28 05:01:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2024-11-28 05:01:54,412 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:01:54,413 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:01:54,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 05:01:54,413 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:01:54,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:01:54,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1302986575, now seen corresponding path program 1 times [2024-11-28 05:01:54,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:01:54,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622862185] [2024-11-28 05:01:54,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:01:54,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:01:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2024-11-28 05:02:02,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:02,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622862185] [2024-11-28 05:02:02,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622862185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:02:02,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:02:02,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:02:02,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538385008] [2024-11-28 05:02:02,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:02:02,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:02:02,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:02:02,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:02:02,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:02:02,352 INFO L87 Difference]: Start difference. First operand 16627 states and 23572 transitions. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-28 05:02:02,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:02:02,897 INFO L93 Difference]: Finished difference Result 33251 states and 48032 transitions. [2024-11-28 05:02:02,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:02:02,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) Word has length 475 [2024-11-28 05:02:02,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:02:02,991 INFO L225 Difference]: With dead ends: 33251 [2024-11-28 05:02:02,991 INFO L226 Difference]: Without dead ends: 16639 [2024-11-28 05:02:03,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:02:03,079 INFO L435 NwaCegarLoop]: 2937 mSDtfsCounter, 0 mSDsluCounter, 11743 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14680 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:02:03,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14680 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:02:03,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16639 states. [2024-11-28 05:02:03,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16639 to 16639. [2024-11-28 05:02:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16639 states, 12009 states have (on average 1.2495628278790907) internal successors, (15006), 12167 states have internal predecessors, (15006), 3768 states have call successors, (3768), 827 states have call predecessors, (3768), 861 states have return successors, (4810), 3760 states have call predecessors, (4810), 3754 states have call successors, (4810) [2024-11-28 05:02:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16639 states to 16639 states and 23584 transitions. [2024-11-28 05:02:03,631 INFO L78 Accepts]: Start accepts. Automaton has 16639 states and 23584 transitions. Word has length 475 [2024-11-28 05:02:03,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:02:03,632 INFO L471 AbstractCegarLoop]: Abstraction has 16639 states and 23584 transitions. [2024-11-28 05:02:03,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-28 05:02:03,632 INFO L276 IsEmpty]: Start isEmpty. Operand 16639 states and 23584 transitions. [2024-11-28 05:02:03,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2024-11-28 05:02:03,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:02:03,664 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 13, 13, 13, 10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:02:03,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 05:02:03,664 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:02:03,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:02:03,665 INFO L85 PathProgramCache]: Analyzing trace with hash -658425587, now seen corresponding path program 1 times [2024-11-28 05:02:03,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:02:03,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221240112] [2024-11-28 05:02:03,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:03,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:02:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:02:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2024-11-28 05:02:16,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:02:16,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221240112] [2024-11-28 05:02:16,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221240112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:02:16,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654916113] [2024-11-28 05:02:16,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:02:16,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:02:16,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:02:16,296 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:02:16,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:03:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:03:08,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 5255 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-28 05:03:08,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:03:08,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-28 05:03:08,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-28 05:03:12,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 05:03:12,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-28 05:03:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 504 proven. 10 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-11-28 05:03:14,217 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:03:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2024-11-28 05:03:22,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654916113] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:03:22,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:03:22,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14] total 28 [2024-11-28 05:03:22,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535610881] [2024-11-28 05:03:22,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:03:22,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-28 05:03:22,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:03:22,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-28 05:03:22,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2024-11-28 05:03:22,325 INFO L87 Difference]: Start difference. First operand 16639 states and 23584 transitions. Second operand has 28 states, 24 states have (on average 10.708333333333334) internal successors, (257), 20 states have internal predecessors, (257), 9 states have call successors, (96), 3 states have call predecessors, (96), 13 states have return successors, (99), 13 states have call predecessors, (99), 9 states have call successors, (99) [2024-11-28 05:03:26,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:03:30,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:03:35,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:04:03,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:04:07,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:04:35,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:04:39,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:04:43,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:04:52,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:04:58,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:01,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:05:06,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:05:12,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:05:17,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 05:05:21,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:05:21,353 INFO L93 Difference]: Finished difference Result 44385 states and 64608 transitions. [2024-11-28 05:05:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 05:05:21,354 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 24 states have (on average 10.708333333333334) internal successors, (257), 20 states have internal predecessors, (257), 9 states have call successors, (96), 3 states have call predecessors, (96), 13 states have return successors, (99), 13 states have call predecessors, (99), 9 states have call successors, (99) Word has length 471 [2024-11-28 05:05:21,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:05:21,538 INFO L225 Difference]: With dead ends: 44385 [2024-11-28 05:05:21,538 INFO L226 Difference]: Without dead ends: 27761 [2024-11-28 05:05:21,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 969 GetRequests, 922 SyntacticMatches, 11 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=142, Invalid=1264, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 05:05:21,636 INFO L435 NwaCegarLoop]: 4069 mSDtfsCounter, 1826 mSDsluCounter, 65895 mSDsCounter, 0 mSdLazyCounter, 5852 mSolverCounterSat, 19 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 69964 SdHoareTripleChecker+Invalid, 5883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5852 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:05:21,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1850 Valid, 69964 Invalid, 5883 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [19 Valid, 5852 Invalid, 12 Unknown, 0 Unchecked, 114.6s Time] [2024-11-28 05:05:21,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27761 states. [2024-11-28 05:05:22,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27761 to 27255. [2024-11-28 05:05:22,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27255 states, 19552 states have (on average 1.2502045826513912) internal successors, (24444), 19918 states have internal predecessors, (24444), 6144 states have call successors, (6144), 1474 states have call predecessors, (6144), 1558 states have return successors, (9222), 6042 states have call predecessors, (9222), 6130 states have call successors, (9222) [2024-11-28 05:05:23,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27255 states to 27255 states and 39810 transitions. [2024-11-28 05:05:23,167 INFO L78 Accepts]: Start accepts. Automaton has 27255 states and 39810 transitions. Word has length 471 [2024-11-28 05:05:23,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:05:23,168 INFO L471 AbstractCegarLoop]: Abstraction has 27255 states and 39810 transitions. [2024-11-28 05:05:23,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 24 states have (on average 10.708333333333334) internal successors, (257), 20 states have internal predecessors, (257), 9 states have call successors, (96), 3 states have call predecessors, (96), 13 states have return successors, (99), 13 states have call predecessors, (99), 9 states have call successors, (99) [2024-11-28 05:05:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 27255 states and 39810 transitions. [2024-11-28 05:05:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2024-11-28 05:05:23,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:05:23,236 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 16, 16, 12, 12, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-28 05:05:23,437 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forcibly destroying the process [2024-11-28 05:05:23,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 137 [2024-11-28 05:05:23,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 05:05:23,512 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:05:23,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:23,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1184852173, now seen corresponding path program 2 times [2024-11-28 05:05:23,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:23,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202647044] [2024-11-28 05:05:23,514 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:05:23,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:32,076 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:05:32,079 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:05:38,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 17 proven. 46 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2024-11-28 05:05:38,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:38,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202647044] [2024-11-28 05:05:38,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202647044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:05:38,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583130267] [2024-11-28 05:05:38,016 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:05:38,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:05:38,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:05:38,019 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:05:38,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224463b2-d7f1-486e-b8d0-fc5ab4a5cd57/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process